diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml new file mode 100644 index 00000000..1b98a830 --- /dev/null +++ b/.github/workflows/docs.yml @@ -0,0 +1,67 @@ +name: Deploy Documentation + +on: + push: + branches: [master] + paths: + - 'docs/**' + - 'source/**' + - '.github/workflows/docs.yml' + workflow_dispatch: + +permissions: + contents: read + pages: write + id-token: write + +concurrency: + group: "pages" + cancel-in-progress: false + +jobs: + build: + runs-on: ubuntu-latest + steps: + - name: Checkout + uses: actions/checkout@v4 + with: + fetch-depth: 0 # Needed for git tags + + - name: Setup Node + uses: actions/setup-node@v4 + with: + node-version: 20 + cache: 'npm' + cache-dependency-path: docs/package-lock.json + + - name: Install dependencies + working-directory: docs + run: npm ci + + - name: Update version info + working-directory: docs + run: npm run update-version + + - name: Extract API docs from D source + working-directory: docs + run: npm run extract-docs + + - name: Build documentation site + working-directory: docs + run: npm run build + + - name: Upload artifact + uses: actions/upload-pages-artifact@v3 + with: + path: docs/dist + + deploy: + environment: + name: github-pages + url: ${{ steps.deployment.outputs.page_url }} + needs: build + runs-on: ubuntu-latest + steps: + - name: Deploy to GitHub Pages + id: deployment + uses: actions/deploy-pages@v4 diff --git a/.gitignore b/.gitignore index b93ae7d8..b5724d4f 100644 --- a/.gitignore +++ b/.gitignore @@ -1,6 +1,12 @@ .dub docs.json __dummy.html + +# Documentation site (Starlight/Astro) +docs/node_modules/ +docs/dist/ +docs/.astro/ +docs/public/version.json *.o *.obj *.lst diff --git a/README.md b/README.md index e2df1583..4fd8101c 100644 --- a/README.md +++ b/README.md @@ -66,6 +66,22 @@ expect(testedValue).to.not.equal(42); /// will output this message: Because of test reasons, true should equal `false`. ``` +`because` also supports format strings for dynamic messages: + +```D + foreach (i; 0..100) { + result.should.equal(expected).because("at iteration %s", i); + } +``` + +`withContext` attaches key-value debugging data: + +```D + result.should.equal(expected) + .withContext("userId", 42) + .withContext("input", testInput); + /// On failure, displays: CONTEXT: userId = 42, input = ... +``` ## Should @@ -109,38 +125,176 @@ just add `not` before the assert name: Assert.notEqual(testedValue, 42); ``` +## Recording Evaluations + +The `recordEvaluation` function allows you to capture the result of an assertion without throwing an exception on failure. This is useful for testing assertion behavior itself, or for inspecting the evaluation result programmatically. + +```D +import fluentasserts.core.lifecycle : recordEvaluation; + +unittest { + auto evaluation = ({ + expect(5).to.equal(10); + }).recordEvaluation; + + // Inspect the evaluation result + assert(evaluation.result.expected == "10"); + assert(evaluation.result.actual == "5"); +} +``` + +The function: +1. Takes a delegate containing the assertion to execute +2. Temporarily disables failure handling so the test doesn't abort +3. Returns the `Evaluation` struct containing the result + +The `Evaluation.result` provides access to: +- `expected` - the expected value as a string +- `actual` - the actual value as a string +- `negated` - whether the assertion was negated with `.not` +- `missing` - array of missing elements (for collection comparisons) +- `extra` - array of extra elements (for collection comparisons) + +This is particularly useful when writing tests for custom assertion operations or when you need to verify that assertions produce the correct error messages. + +## Assertion Statistics + +fluent-asserts tracks assertion counts for monitoring test behavior: + +```D +import fluentasserts.core.lifecycle : Lifecycle; + +// Run some assertions +expect(1).to.equal(1); +expect("hello").to.contain("ell"); + +// Access statistics +auto stats = Lifecycle.instance.statistics; +writeln("Total: ", stats.totalAssertions); +writeln("Passed: ", stats.passedAssertions); +writeln("Failed: ", stats.failedAssertions); + +// Reset statistics +Lifecycle.instance.resetStatistics(); +``` + +The `AssertionStatistics` struct contains: +- `totalAssertions` - Total number of assertions executed +- `passedAssertions` - Number of assertions that passed +- `failedAssertions` - Number of assertions that failed +- `reset()` - Resets all counters to zero + +## Release Build Configuration + +By default, fluent-asserts behaves like D's built-in `assert`: assertions are enabled in debug builds and disabled (become no-ops) in release builds. This allows you to use fluent-asserts as a replacement for `assert` in your production code without any runtime overhead in release builds. + +**Default behavior:** +- Debug build: assertions enabled +- Release build (`dub build -b release` or `-release` flag): assertions disabled (no-op) + +**Force enable in release builds:** + +dub.sdl: +```sdl +versions "FluentAssertsDebug" +``` + +dub.json: +```json +{ + "versions": ["FluentAssertsDebug"] +} +``` + +**Force disable in all builds:** + +dub.sdl: +```sdl +versions "D_Disable_FluentAsserts" +``` + +dub.json: +```json +{ + "versions": ["D_Disable_FluentAsserts"] +} +``` + +**Check at compile-time:** +```D +import fluent.asserts; + +static if (fluentAssertsEnabled) { + // assertions are active +} else { + // assertions are disabled (release build) +} +``` + +## Custom Assert Handler + +During unittest builds, the library automatically installs a custom handler for D's built-in `assert` statements. This provides fluent-asserts style error messages even when using standard `assert`: + +```D +unittest { + assert(1 == 2, "math is broken"); + // Output includes ACTUAL/EXPECTED formatting and source location +} +``` + +The handler is only active during `version(unittest)` builds, so it won't affect release builds. It is installed using `pragma(crt_constructor)`, which runs before druntime initialization. This approach avoids cyclic module dependency issues that would occur with `static this()`. + +If you need to temporarily disable this handler during tests: + +```D +import core.exception; + +// Save and restore the handler +auto savedHandler = core.exception.assertHandler; +scope(exit) core.exception.assertHandler = savedHandler; + +// Disable fluent handler +core.exception.assertHandler = null; +``` + ## Built in operations -- [above](api/above.md) -- [approximately](api/approximately.md) -- [beNull](api/beNull.md) -- [below](api/below.md) -- [between](api/between.md) -- [contain](api/contain.md) -- [containOnly](api/containOnly.md) -- [endWith](api/endWith.md) -- [equal](api/equal.md) -- [greaterOrEqualTo](api/greaterOrEqualTo.md) -- [greaterThan](api/greaterThan.md) -- [instanceOf](api/instanceOf.md) -- [lessOrEqualTo](api/lessOrEqualTo.md) -- [lessThan](api/lessThan.md) -- [startWith](api/startWith.md) -- [throwAnyException](api/throwAnyException.md) -- [throwException](api/throwException.md) -- [throwSomething](api/throwSomething.md) -- [withMessage](api/withMessage.md) -- [within](api/within.md) + + +### Memory Assertions + +The library provides assertions for checking memory allocations: + +```D +// Check GC allocations +({ auto arr = new int[100]; }).should.allocateGCMemory(); +({ int x = 5; }).should.not.allocateGCMemory(); + +// Check non-GC allocations (malloc, etc.) +({ + import core.stdc.stdlib : malloc, free; + auto p = malloc(1024); + free(p); +}).should.allocateNonGCMemory(); +``` + +**Note:** Non-GC memory measurement uses process-wide metrics (`mallinfo` on Linux, `phys_footprint` on macOS). This is inherently unreliable during parallel test execution because allocations from other threads are included. For accurate non-GC memory testing, run tests single-threaded with `dub test -- -j1`. # Extend the library ## Registering new operations -Even though this library has an extensive set of operations, sometimes a new operation might be needed to test your code. Operations are functions that recieve an `Evaluation` and returns an `IResult` list in case there was a failure. You can check any of the built in operations for a refference implementation. +Even though this library has an extensive set of operations, sometimes a new operation might be needed to test your code. Operations are functions that receive an `Evaluation` and modify it to indicate success or failure. The operation sets the `expected` and `actual` fields on `evaluation.result` when there is a failure. You can check any of the built in operations for a reference implementation. ```d -IResult[] customOperation(ref Evaluation evaluation) @safe nothrow { - ... +void customOperation(ref Evaluation evaluation) @safe nothrow { + // Perform your check + bool success = /* your logic */; + + if (!success) { + evaluation.result.expected = "expected value description"; + evaluation.result.actual = "actual value description"; + } } ``` @@ -148,14 +302,13 @@ Once the operation is ready to use, it has to be registered with the global regi ```d static this() { - /// bind the type to different matchers + // bind the type to different matchers Registry.instance.register!(SysTime, SysTime)("between", &customOperation); Registry.instance.register!(SysTime, SysTime)("within", &customOperation); - /// or use * to match any type + // or use * to match any type Registry.instance.register("*", "*", "customOperation", &customOperation); } - ``` ## Registering new serializers @@ -164,7 +317,7 @@ In order to setup an `Evaluation`, the actual and expected values need to be con ```d static this() { - SerializerRegistry.instance.register(&jsonToString); + HeapSerializerRegistry.instance.register(&jsonToString); } string jsonToString(Json value) { @@ -172,6 +325,16 @@ string jsonToString(Json value) { } ``` +# Contributing + +Areas for potential improvement: + +- **Reduce Evaluator duplication** - `Evaluator`, `TrustedEvaluator`, and `ThrowableEvaluator` share similar code that could be consolidated with templates or mixins. +- **Simplify the Registry** - The type generalization logic could benefit from clearer naming or documentation. +- **Remove ddmp dependency** - For simpler diffs or no diffs, removing the ddmp dependency would simplify the build. +- **Consistent error messages** - Standardize error message patterns across operations for more predictable output. +- **Make source extraction optional** - Source code tokenization runs on every assertion; making it opt-in could improve performance. +- **GC allocation optimization** - Several hot paths use string/array concatenation that could be optimized with `Appender` or pre-allocation. # License diff --git a/api/callable.md b/api/callable.md index 318d81a0..1ecb44ea 100644 --- a/api/callable.md +++ b/api/callable.md @@ -11,6 +11,7 @@ Here are the examples of how you can use the `should` function with [exceptions] - [Throw something](#throw-something) - [Execution time](#execution-time) - [Be null](#be-null) +- [Memory allocations](#memory-allocations) ## Examples @@ -138,3 +139,48 @@ Failing expectations ({ }).should.beNull; ``` + +### Memory allocations + +You can check if a callable allocates memory. + +#### GC Memory + +Check if a callable allocates memory managed by the garbage collector: + +```D + // Success expectations + ({ auto arr = new int[100]; }).should.allocateGCMemory(); + ({ int x = 5; }).should.not.allocateGCMemory(); + + // Failing expectations + ({ int x = 5; }).should.allocateGCMemory(); + ({ auto arr = new int[100]; }).should.not.allocateGCMemory(); +``` + +#### Non-GC Memory + +Check if a callable allocates memory outside the garbage collector (malloc, C allocators, etc.): + +```D + import core.stdc.stdlib : malloc, free; + + // Success expectations + ({ + auto p = malloc(1024); + free(p); + }).should.allocateNonGCMemory(); + + ({ int x = 5; }).should.not.allocateNonGCMemory(); +``` + +**Note:** Non-GC memory measurement uses process-wide metrics: +- **Linux**: `mallinfo()` for malloc arena statistics +- **macOS**: `phys_footprint` from `TASK_VM_INFO` +- **Windows**: Falls back to process memory estimation + +This is inherently unreliable during parallel test execution because allocations from other threads are included in the measurement. For accurate non-GC memory testing, run tests single-threaded: + +```bash +dub test -- -j1 +``` diff --git a/api/equal.md b/api/equal.md index d877be35..32538840 100644 --- a/api/equal.md +++ b/api/equal.md @@ -5,7 +5,6 @@ Asserts that the target is strictly == equal to the given val. Works with: - - expect(`*`).[to].[be].equal(`*`) - expect(`*[]`).[to].[be].equal(`*[]`) - expect(`*[*]`).[to].[be].equal(`*[*]`) - expect(`*[][]`).[to].[be].equal(`*[][]`) diff --git a/api/lessOrEqualTo.md b/api/lessOrEqualTo.md index 57cbd158..b3deb462 100644 --- a/api/lessOrEqualTo.md +++ b/api/lessOrEqualTo.md @@ -27,3 +27,5 @@ Works with: - expect(`double`).[to].[be].lessOrEqualTo(`int`) - expect(`real`).[to].[be].lessOrEqualTo(`real`) - expect(`real`).[to].[be].lessOrEqualTo(`int`) + - expect(`core.time.Duration`).[to].[be].lessOrEqualTo(`core.time.Duration`) + - expect(`std.datetime.systime.SysTime`).[to].[be].lessOrEqualTo(`std.datetime.systime.SysTime`) diff --git a/docs/astro.config.mjs b/docs/astro.config.mjs new file mode 100644 index 00000000..4ef0b3a6 --- /dev/null +++ b/docs/astro.config.mjs @@ -0,0 +1,73 @@ +import { defineConfig } from 'astro/config'; +import starlight from '@astrojs/starlight'; + +export default defineConfig({ + site: 'https://fluentasserts.szabobogdan.com', + integrations: [ + starlight({ + title: 'fluent-asserts', + logo: { + light: './src/assets/logo.svg', + dark: './src/assets/logo-light.svg', + replacesTitle: true, + }, + social: { + github: 'https://github.com/gedaiu/fluent-asserts', + }, + sidebar: [ + { + label: 'Guide', + items: [ + { label: 'Introduction', link: '/guide/introduction/' }, + { label: 'Philosophy', link: '/guide/philosophy/' }, + { label: 'Installation', link: '/guide/installation/' }, + { label: 'Core Concepts', link: '/guide/core-concepts/' }, + { label: 'Assertion Styles', link: '/guide/assertion-styles/' }, + { label: 'Configuration', link: '/guide/configuration/' }, + { label: 'Context Data', link: '/guide/context-data/' }, + { label: 'Assertion Statistics', link: '/guide/statistics/' }, + { label: 'Memory Management', link: '/guide/memory-management/' }, + { label: 'Extending', link: '/guide/extending/' }, + { label: 'Contributing', link: '/guide/contributing/' }, + { label: 'Upgrading to v2', link: '/guide/upgrading-v2/' }, + ], + }, + { + label: 'API Reference', + items: [ + { label: 'Overview', link: '/api/' }, + { + label: 'Equality', + autogenerate: { directory: 'api/equality' }, + }, + { + label: 'Comparison', + autogenerate: { directory: 'api/comparison' }, + }, + { + label: 'Strings', + autogenerate: { directory: 'api/strings' }, + }, + { + label: 'Ranges & Arrays', + autogenerate: { directory: 'api/ranges' }, + }, + { + label: 'Callables & Exceptions', + autogenerate: { directory: 'api/callable' }, + }, + { + label: 'Types', + autogenerate: { directory: 'api/types' }, + }, + { + label: 'Other', + autogenerate: { directory: 'api/other' }, + }, + ], + }, + ], + customCss: ['./src/styles/custom.css'], + }), + ], +}); diff --git a/docs/package-lock.json b/docs/package-lock.json new file mode 100644 index 00000000..c4866fdd --- /dev/null +++ b/docs/package-lock.json @@ -0,0 +1,7428 @@ +{ + "name": "fluent-asserts-docs", + "version": "0.0.1", + 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+{ + "name": "fluent-asserts-docs", + "type": "module", + "version": "0.0.1", + "scripts": { + "dev": "npm run update-version && astro dev", + "start": "npm run update-version && astro dev", + "build": "npm run update-version && npm run extract-docs && astro build", + "preview": "astro preview", + "astro": "astro", + "update-version": "node scripts/update-version.js", + "extract-docs": "node scripts/extract-docs.js" + }, + "dependencies": { + "@astrojs/starlight": "^0.29.0", + "astro": "^4.16.0", + "sharp": "^0.32.5" + } +} diff --git a/docs/public/CNAME b/docs/public/CNAME new file mode 100644 index 00000000..0517ea27 --- /dev/null +++ b/docs/public/CNAME @@ -0,0 +1 @@ +fluentasserts.szabobogdan.com \ No newline at end of file diff --git a/docs/public/logo.svg b/docs/public/logo.svg new file mode 100644 index 00000000..bf26af02 --- /dev/null +++ b/docs/public/logo.svg @@ -0,0 +1,29 @@ + + + + + + + + + + + + + + fluent-asserts + \ No newline at end of file diff --git a/docs/scripts/extract-docs.js b/docs/scripts/extract-docs.js new file mode 100644 index 00000000..eb139649 --- /dev/null +++ b/docs/scripts/extract-docs.js @@ -0,0 +1,303 @@ +#!/usr/bin/env node +/** + * Extracts documentation from D source files and generates Starlight-compatible Markdown. + * + * Parses: + * - static immutable *Description strings + * - /// ddoc comments + * - @("test name") unittest blocks for examples + * - static foreach type patterns + */ + +import { readFileSync, writeFileSync, readdirSync, mkdirSync, existsSync } from 'fs'; +import { join, dirname, basename } from 'path'; +import { fileURLToPath } from 'url'; + +const __dirname = dirname(fileURLToPath(import.meta.url)); +const sourceRoot = join(__dirname, '..', '..', 'source', 'fluentasserts', 'operations'); +const outputRoot = join(__dirname, '..', 'src', 'content', 'docs', 'api'); + +// Map source folder names to doc category names +const folderToCategoryMap = { + 'comparison': 'comparison', + 'equality': 'equality', + 'exception': 'callable', + 'memory': 'callable', + 'string': 'strings', + 'type': 'types', + 'operations': 'other', // root level files like snapshot.d +}; + +// Get category from file path +function getCategoryFromPath(filePath) { + const parts = filePath.split('/'); + const operationsIndex = parts.indexOf('operations'); + if (operationsIndex >= 0 && operationsIndex < parts.length - 2) { + const folder = parts[operationsIndex + 1]; + return folderToCategoryMap[folder] || 'other'; + } + return 'other'; +} + +/** + * Parse a D source file and extract documentation + */ +function parseSourceFile(filePath) { + const content = readFileSync(filePath, 'utf-8'); + const fileName = basename(filePath, '.d'); + + const doc = { + name: fileName, + filePath: filePath, + description: '', + ddocComment: '', + examples: [], + supportedTypes: [], + aliases: [], + hasNegation: false, + functionName: '', + }; + + // Extract main function name (e.g., allocateGCMemory, equal, etc.) + const funcMatch = content.match(/void\s+(\w+)\s*\(\s*ref\s+Evaluation/); + if (funcMatch) { + doc.functionName = funcMatch[1]; + } + + // Extract description string: static immutable *Description = "..."; + const descMatch = content.match(/static\s+immutable\s+\w*[Dd]escription\s*=\s*"([^"]+)"/); + if (descMatch) { + doc.description = descMatch[1]; + } + + // Extract ddoc comments before the main function + const ddocMatch = content.match(/\/\/\/\s*([^\n]+(?:\n\/\/\/\s*[^\n]+)*)\s*\n\s*(?:@\w+\s+)*void\s+\w+\s*\(/); + if (ddocMatch) { + doc.ddocComment = ddocMatch[1] + .split('\n') + .map(line => line.replace(/^\/\/\/\s*/, '').trim()) + .join(' '); + } + + // Extract unittest examples + const unittestRegex = /@\("([^"]+)"\)\s*unittest\s*\{([\s\S]*?)\n\s*\}/g; + let match; + while ((match = unittestRegex.exec(content)) !== null) { + const testName = match[1]; + const testBody = match[2]; + + // Check for negation tests + if (testName.includes('not') || testBody.includes('.not.')) { + doc.hasNegation = true; + } + + // Extract expect() calls as examples + const expectCalls = testBody.match(/expect\([^)]+\)[^;]+;/g); + if (expectCalls) { + doc.examples.push({ + name: testName, + code: expectCalls.map(c => c.trim()).join('\n'), + isNegation: testBody.includes('.not.'), + isFailure: testName.toLowerCase().includes('fail') || + testName.toLowerCase().includes('error') || + testBody.includes('recordEvaluation'), + }); + } + } + + // Extract type aliases from static foreach + const typeMatch = content.match(/static\s+foreach\s*\(\s*Type\s*;\s*AliasSeq!\(([^)]+)\)/); + if (typeMatch) { + doc.supportedTypes = typeMatch[1] + .split(',') + .map(t => t.trim()) + .filter(t => t); + } + + // Check for aliases (methods with same implementation) + const aliasMatches = content.matchAll(/alias\s+(\w+)\s*=\s*(\w+)/g); + for (const aliasMatch of aliasMatches) { + if (aliasMatch[2].toLowerCase() === fileName.toLowerCase()) { + doc.aliases.push(aliasMatch[1]); + } + } + + return doc; +} + +/** + * Generate Markdown documentation for an operation + */ +function generateMarkdown(doc) { + const lines = []; + const displayName = doc.functionName || doc.name; + + // Frontmatter + lines.push('---'); + lines.push(`title: ${displayName}`); + lines.push(`description: ${doc.description || doc.ddocComment || `The ${displayName} assertion`}`); + lines.push('---'); + lines.push(''); + + // Title + lines.push(`# .${displayName}()`); + lines.push(''); + + // Description + if (doc.description) { + lines.push(doc.description); + lines.push(''); + } + if (doc.ddocComment && doc.ddocComment !== doc.description) { + lines.push(doc.ddocComment); + lines.push(''); + } + + // Examples section + if (doc.examples.length > 0) { + lines.push('## Examples'); + lines.push(''); + + // Success examples + const successExamples = doc.examples.filter(e => !e.isFailure && !e.isNegation); + if (successExamples.length > 0) { + lines.push('### Basic Usage'); + lines.push(''); + lines.push('```d'); + for (const ex of successExamples.slice(0, 3)) { + lines.push(ex.code); + } + lines.push('```'); + lines.push(''); + } + + // Negation examples + const negationExamples = doc.examples.filter(e => e.isNegation && !e.isFailure); + if (negationExamples.length > 0) { + lines.push('### With Negation'); + lines.push(''); + lines.push('```d'); + for (const ex of negationExamples.slice(0, 2)) { + lines.push(ex.code); + } + lines.push('```'); + lines.push(''); + } + + // Failure examples (for understanding error messages) + const failureExamples = doc.examples.filter(e => e.isFailure); + if (failureExamples.length > 0) { + lines.push('### What Failures Look Like'); + lines.push(''); + lines.push('When the assertion fails, you\'ll see a clear error message:'); + lines.push(''); + lines.push('```d'); + lines.push(`// This would fail:`); + lines.push(failureExamples[0].code); + lines.push('```'); + lines.push(''); + } + } + + // Supported types + if (doc.supportedTypes.length > 0) { + lines.push('## Supported Types'); + lines.push(''); + for (const type of doc.supportedTypes) { + lines.push(`- \`${type}\``); + } + lines.push(''); + } + + // Aliases + if (doc.aliases.length > 0) { + lines.push('## Aliases'); + lines.push(''); + for (const alias of doc.aliases) { + lines.push(`- \`.${alias}()\``); + } + lines.push(''); + } + + // Modifiers + if (doc.hasNegation) { + lines.push('## Modifiers'); + lines.push(''); + lines.push('This assertion supports the following modifiers:'); + lines.push(''); + lines.push('- `.not` - Negates the assertion'); + lines.push('- `.to` - Language chain (no effect)'); + lines.push('- `.be` - Language chain (no effect)'); + lines.push(''); + } + + return lines.join('\n'); +} + +/** + * Recursively find all .d files in a directory + */ +function findDFiles(dir) { + const files = []; + + if (!existsSync(dir)) { + return files; + } + + const entries = readdirSync(dir, { withFileTypes: true }); + for (const entry of entries) { + const fullPath = join(dir, entry.name); + if (entry.isDirectory()) { + files.push(...findDFiles(fullPath)); + } else if (entry.name.endsWith('.d') && !['package.d', 'registry.d'].includes(entry.name)) { + files.push(fullPath); + } + } + return files; +} + +/** + * Main execution + */ +function main() { + console.log('Extracting documentation from D source files...'); + console.log(`Source: ${sourceRoot}`); + console.log(`Output: ${outputRoot}`); + + // Find all D files + const dFiles = findDFiles(sourceRoot); + console.log(`Found ${dFiles.length} D source files`); + + // Process each file + const docs = []; + for (const file of dFiles) { + try { + const doc = parseSourceFile(file); + // Include if has description, examples, or is a valid operation function + if (doc.description || doc.ddocComment || doc.examples.length > 0 || doc.functionName) { + docs.push(doc); + console.log(` Parsed: ${doc.name}${doc.functionName ? ` (${doc.functionName})` : ''}`); + } + } catch (err) { + console.warn(` Warning: Could not parse ${file}: ${err.message}`); + } + } + + // Generate markdown files + for (const doc of docs) { + const category = getCategoryFromPath(doc.filePath); + const categoryDir = join(outputRoot, category); + + mkdirSync(categoryDir, { recursive: true }); + + const markdown = generateMarkdown(doc); + const outputPath = join(categoryDir, `${doc.name}.mdx`); + + writeFileSync(outputPath, markdown); + console.log(` Generated: ${outputPath}`); + } + + console.log(`\nGenerated ${docs.length} documentation files`); +} + +main(); diff --git a/docs/scripts/update-version.js b/docs/scripts/update-version.js new file mode 100644 index 00000000..1084da1a --- /dev/null +++ b/docs/scripts/update-version.js @@ -0,0 +1,96 @@ +#!/usr/bin/env node +/** + * Updates the version information in the documentation. + * Reads the latest git tag and writes to src/content/version.json + */ + +import { execSync } from 'child_process'; +import { writeFileSync, readFileSync, mkdirSync } from 'fs'; +import { dirname, join } from 'path'; +import { fileURLToPath } from 'url'; + +const __dirname = dirname(fileURLToPath(import.meta.url)); +const docsRoot = join(__dirname, '..'); + +function getLatestVersion() { + try { + // Try to get the latest tag + const tag = execSync('git describe --tags --abbrev=0 2>/dev/null', { + encoding: 'utf-8', + cwd: join(docsRoot, '..'), + }).trim(); + return tag.replace(/^v/, ''); // Remove 'v' prefix if present + } catch { + try { + // Fallback: get the last tag from list + const tags = execSync('git tag -l', { + encoding: 'utf-8', + cwd: join(docsRoot, '..'), + }).trim(); + const tagList = tags.split('\n').filter(t => t); + if (tagList.length > 0) { + return tagList[tagList.length - 1].replace(/^v/, ''); + } + } catch { + // Ignore + } + return '0.0.0'; + } +} + +function getGitInfo() { + let commitHash = 'unknown'; + let commitDate = new Date().toISOString(); + + try { + commitHash = execSync('git rev-parse --short HEAD', { + encoding: 'utf-8', + cwd: join(docsRoot, '..'), + }).trim(); + } catch { + // Ignore + } + + try { + commitDate = execSync('git log -1 --format=%cI', { + encoding: 'utf-8', + cwd: join(docsRoot, '..'), + }).trim(); + } catch { + // Ignore + } + + return { commitHash, commitDate }; +} + +const version = getLatestVersion(); +const { commitHash, commitDate } = getGitInfo(); + +const versionInfo = { + version, + commitHash, + commitDate, + generatedAt: new Date().toISOString(), +}; + +// Write version.json to public directory (static assets) +const outputPath = join(docsRoot, 'public', 'version.json'); +mkdirSync(dirname(outputPath), { recursive: true }); +writeFileSync(outputPath, JSON.stringify(versionInfo, null, 2)); + +// Update version in index.mdx tagline +const indexPath = join(docsRoot, 'src', 'content', 'docs', 'index.mdx'); +try { + let indexContent = readFileSync(indexPath, 'utf-8'); + // Update the version in the tagline + indexContent = indexContent.replace( + /Current version v[\d.]+/, + `Current version v${version}` + ); + writeFileSync(indexPath, indexContent); + console.log(`Updated index.mdx tagline to v${version}`); +} catch (err) { + console.warn('Could not update index.mdx:', err.message); +} + +console.log(`Version info updated: v${version} (${commitHash})`); diff --git a/docs/src/assets/logo-icon-light.svg b/docs/src/assets/logo-icon-light.svg new file mode 100644 index 00000000..ba6fe316 --- /dev/null +++ b/docs/src/assets/logo-icon-light.svg @@ -0,0 +1,20 @@ + + + + + + + + + + + diff --git a/docs/src/assets/logo-icon.svg b/docs/src/assets/logo-icon.svg new file mode 100644 index 00000000..480bafbc --- /dev/null +++ b/docs/src/assets/logo-icon.svg @@ -0,0 +1,20 @@ + + + + + + + + + + + diff --git a/docs/src/assets/logo-light.svg b/docs/src/assets/logo-light.svg new file mode 100644 index 00000000..ba863d3b --- /dev/null +++ b/docs/src/assets/logo-light.svg @@ -0,0 +1,29 @@ + + + + + + + + + + + + + + fluent-asserts + diff --git a/docs/src/assets/logo.svg b/docs/src/assets/logo.svg new file mode 100644 index 00000000..bf26af02 --- /dev/null +++ b/docs/src/assets/logo.svg @@ -0,0 +1,29 @@ + + + + + + + + + + + + + + fluent-asserts + \ No newline at end of file diff --git a/docs/src/content/config.ts b/docs/src/content/config.ts new file mode 100644 index 00000000..31b74762 --- /dev/null +++ b/docs/src/content/config.ts @@ -0,0 +1,6 @@ +import { defineCollection } from 'astro:content'; +import { docsSchema } from '@astrojs/starlight/schema'; + +export const collections = { + docs: defineCollection({ schema: docsSchema() }), +}; diff --git a/docs/src/content/docs/api/callable/gcMemory.mdx b/docs/src/content/docs/api/callable/gcMemory.mdx new file mode 100644 index 00000000..a421330f --- /dev/null +++ b/docs/src/content/docs/api/callable/gcMemory.mdx @@ -0,0 +1,18 @@ +--- +title: allocateGCMemory +description: Checks if a function call allocates memory on the garbage collector (GC). +--- + +# .allocateGCMemory() + +The `.allocateGCMemory()` assertion checks if a function call allocates memory that is managed by the garbage collector. + +This is useful for performance testing to ensure that functions are memory-efficient and do not create unnecessary GC pressure. + +## Modifiers + +This assertion supports the following modifiers: + +- `.not` - Negates the assertion, checking that no GC memory is allocated. +- `.to` - Language chain (no effect). +- `.be` - Language chain (no effect). diff --git a/docs/src/content/docs/api/callable/index.mdx b/docs/src/content/docs/api/callable/index.mdx new file mode 100644 index 00000000..871c0e46 --- /dev/null +++ b/docs/src/content/docs/api/callable/index.mdx @@ -0,0 +1,66 @@ +--- +title: Callable & Exception Operations +description: Assertions for testing function behavior and exceptions +--- + +Test function behavior with these assertions. + +## throwException + +Asserts that a callable throws a specific exception type. + +```d +expect({ + throw new CustomException("error"); +}).to.throwException!CustomException; +``` + +### With Message Checking + +```d +expect({ + throw new Exception("specific error"); +}).to.throwException!Exception.withMessage.equal("specific error"); +``` + +## throwAnyException + +Asserts that a callable throws any exception. + +```d +expect({ + throw new Exception("error"); +}).to.throwAnyException(); +``` + +## haveExecutionTime + +Asserts constraints on how long a callable takes to execute. + +```d +import core.time : msecs; + +expect({ + fastOperation(); +}).to.haveExecutionTime.lessThan(100.msecs); +``` + +## allocateGCMemory + +Asserts that a callable allocates GC memory. + +```d +expect({ + auto arr = new int[1000]; + return arr.length; +}).to.allocateGCMemory(); +``` + +### Negation + +```d +expect({ + int[4] stackArray = [1, 2, 3, 4]; + return stackArray.length; +}).to.not.allocateGCMemory(); +``` diff --git a/docs/src/content/docs/api/callable/nonGcMemory.mdx b/docs/src/content/docs/api/callable/nonGcMemory.mdx new file mode 100644 index 00000000..6d2362fd --- /dev/null +++ b/docs/src/content/docs/api/callable/nonGcMemory.mdx @@ -0,0 +1,38 @@ +--- +title: allocateNonGCMemory +description: Checks if a function call allocates memory outside of the garbage collector (GC). +--- + +# .allocateNonGCMemory() + +The `.allocateNonGCMemory()` assertion checks if a function call allocates memory that is **not** managed by the garbage collector. + +This is useful for tracking manual memory allocations (malloc, C allocators, etc.). + +## Modifiers + +This assertion supports the following modifiers: + +- `.not` - Negates the assertion, checking that no non-GC memory is allocated. +- `.to` - Language chain (no effect). +- `.be` - Language chain (no effect). + +## Platform Notes + +Non-GC memory measurement uses process-wide metrics: + +- **Linux**: Uses `mallinfo()` for malloc arena statistics +- **macOS**: Uses `phys_footprint` from `TASK_VM_INFO` +- **Windows**: Falls back to process memory estimation + +## Parallel Execution Warning + +Non-GC memory measurement is **inherently unreliable during parallel test execution**. The metrics are process-wide, meaning allocations from other threads running concurrently will be included in the measurement. + +For accurate non-GC memory testing, run tests single-threaded: + +```bash +dub test -- -j1 +``` + +Or use a test runner that supports sequential execution for memory-sensitive tests. diff --git a/docs/src/content/docs/api/callable/throwable.mdx b/docs/src/content/docs/api/callable/throwable.mdx new file mode 100644 index 00000000..2b603dc3 --- /dev/null +++ b/docs/src/content/docs/api/callable/throwable.mdx @@ -0,0 +1,35 @@ +--- +title: throwAnyException +description: Checks if a function call throws any type of exception. +--- + +# .throwAnyException() + +The `.throwAnyException()` assertion checks if a function call throws any kind of `Throwable`, which includes `Exception` and `Error` types. + +This is useful when you want to confirm that a function fails under certain conditions, without checking for a specific error type. + +## Examples + +### Basic Usage + +To check if a function throws any exception: + +```d +expect(() => myThrowingFunction()).to.throwAnyException(); +``` + +### With Negation + +To check that a function does **not** throw any exception: + +```d +expect(() => mySafeFunction()).not.to.throwAnyException(); +``` + +## Modifiers + +This assertion supports the following modifiers: + +- `.not` - Negates the assertion. +- `.to` - Language chain (no effect). diff --git a/docs/src/content/docs/api/comparison/approximately.mdx b/docs/src/content/docs/api/comparison/approximately.mdx new file mode 100644 index 00000000..b104b49a --- /dev/null +++ b/docs/src/content/docs/api/comparison/approximately.mdx @@ -0,0 +1,18 @@ +--- +title: approximately +description: Checks if a number is close to an expected value, within a specified range (delta). +--- + +# .approximately() + +The `.approximately()` assertion checks if a numeric value is close to an expected value. You must provide a `delta` to define the acceptable range. + +For example, `expect(1.5).to.be.approximately(1.4, 0.1)` will pass because 1.5 is within 0.1 of 1.4. + +## Modifiers + +This assertion supports the following modifiers: + +- `.not` - Negates the assertion +- `.to` - Language chain (no effect) +- `.be` - Language chain (no effect) diff --git a/docs/src/content/docs/api/comparison/between.mdx b/docs/src/content/docs/api/comparison/between.mdx new file mode 100644 index 00000000..812e2369 --- /dev/null +++ b/docs/src/content/docs/api/comparison/between.mdx @@ -0,0 +1,51 @@ +--- +title: betweenDuration +description: Asserts that the target is a number or a date greater than or equal to the given number or date start, +--- + +# .betweenDuration() + +Asserts that the target is a number or a date greater than or equal to the given number or date start, + +Asserts that a value is strictly between two bounds (exclusive). + +## Examples + +### Basic Usage + +```d +expect(middleValue).to.be.between(smallValue, largeValue); +expect(middleValue).to.be.between(largeValue, smallValue); +expect(middleValue).to.be.within(smallValue, largeValue); +expect(middleValue).to.be.between(smallValue, largeValue); +expect(middleValue).to.be.between(largeValue, smallValue); +expect(middleValue).to.be.within(smallValue, largeValue); +``` + +### With Negation + +```d +expect(largeValue).to.not.be.between(smallValue, largeValue); +expect(largeValue).to.not.be.between(largeValue, smallValue); +expect(largeValue).to.not.be.within(smallValue, largeValue); +expect(largeValue).to.not.be.between(smallValue, largeValue); +expect(largeValue).to.not.be.between(largeValue, smallValue); +expect(largeValue).to.not.be.within(smallValue, largeValue); +``` + +### What Failures Look Like + +When the assertion fails, you'll see a clear error message: + +```d +// This would fail: +expect(largeValue).to.be.between(smallValue, largeValue); +``` + +## Modifiers + +This assertion supports the following modifiers: + +- `.not` - Negates the assertion +- `.to` - Language chain (no effect) +- `.be` - Language chain (no effect) diff --git a/docs/src/content/docs/api/comparison/greaterOrEqualTo.mdx b/docs/src/content/docs/api/comparison/greaterOrEqualTo.mdx new file mode 100644 index 00000000..382d19af --- /dev/null +++ b/docs/src/content/docs/api/comparison/greaterOrEqualTo.mdx @@ -0,0 +1,46 @@ +--- +title: greaterOrEqualToDuration +description: Asserts that the tested value is greater or equal than the tested value. However, it's often best to assert that the target is equal to its expected value. +--- + +# .greaterOrEqualToDuration() + +Asserts that the tested value is greater or equal than the tested value. However, it's often best to assert that the target is equal to its expected value. + +Asserts that a value is greater than or equal to the expected value. + +## Examples + +### Basic Usage + +```d +expect(largeValue).to.be.greaterOrEqualTo(smallValue); +expect(smallValue).to.be.greaterOrEqualTo(smallValue); +expect(largeValue).to.be.greaterOrEqualTo(smallValue); +expect(largeValue).to.be.above(smallValue); +``` + +### With Negation + +```d +expect(smallValue).not.to.be.greaterOrEqualTo(largeValue); +expect(smallValue).not.to.be.greaterOrEqualTo(largeValue); +expect(smallValue).not.to.be.above(largeValue); +``` + +### What Failures Look Like + +When the assertion fails, you'll see a clear error message: + +```d +// This would fail: +expect(largeValue).not.to.be.greaterOrEqualTo(smallValue); +``` + +## Modifiers + +This assertion supports the following modifiers: + +- `.not` - Negates the assertion +- `.to` - Language chain (no effect) +- `.be` - Language chain (no effect) diff --git a/docs/src/content/docs/api/comparison/greaterThan.mdx b/docs/src/content/docs/api/comparison/greaterThan.mdx new file mode 100644 index 00000000..79e72f61 --- /dev/null +++ b/docs/src/content/docs/api/comparison/greaterThan.mdx @@ -0,0 +1,45 @@ +--- +title: greaterThanDuration +description: Asserts that the tested value is greater than the tested value. However, it's often best to assert that the target is equal to its expected value. +--- + +# .greaterThanDuration() + +Asserts that the tested value is greater than the tested value. However, it's often best to assert that the target is equal to its expected value. + +## Examples + +### Basic Usage + +```d +expect(largeValue).to.be.greaterThan(smallValue); +expect(largeValue).to.be.above(smallValue); +expect(largeValue).to.be.greaterThan(smallValue); +expect(largeValue).to.be.above(smallValue); +``` + +### With Negation + +```d +expect(smallValue).not.to.be.greaterThan(largeValue); +expect(smallValue).not.to.be.above(largeValue); +expect(smallValue).not.to.be.greaterThan(largeValue); +expect(smallValue).not.to.be.above(largeValue); +``` + +### What Failures Look Like + +When the assertion fails, you'll see a clear error message: + +```d +// This would fail: +expect(smallValue).to.be.greaterThan(smallValue); +``` + +## Modifiers + +This assertion supports the following modifiers: + +- `.not` - Negates the assertion +- `.to` - Language chain (no effect) +- `.be` - Language chain (no effect) diff --git a/docs/src/content/docs/api/comparison/index.mdx b/docs/src/content/docs/api/comparison/index.mdx new file mode 100644 index 00000000..47079ae6 --- /dev/null +++ b/docs/src/content/docs/api/comparison/index.mdx @@ -0,0 +1,40 @@ +--- +title: Comparison Operations +description: Assertions for comparing numeric values +--- + +Compare numeric values with these assertions. + +## greaterThan / above + +Asserts that a value is greater than the expected value. + +```d +expect(42).to.be.greaterThan(10); +expect(42).to.be.above(10); // alias +``` + +## lessThan / below + +Asserts that a value is less than the expected value. + +```d +expect(10).to.be.lessThan(42); +expect(10).to.be.below(42); // alias +``` + +## between + +Asserts that a value is between two bounds (exclusive). + +```d +expect(42).to.be.between(10, 100); +``` + +## within + +Asserts that a value is within a range (inclusive). + +```d +expect(42).to.be.within(40, 45); +``` diff --git a/docs/src/content/docs/api/comparison/lessOrEqualTo.mdx b/docs/src/content/docs/api/comparison/lessOrEqualTo.mdx new file mode 100644 index 00000000..f0b5fbf4 --- /dev/null +++ b/docs/src/content/docs/api/comparison/lessOrEqualTo.mdx @@ -0,0 +1,45 @@ +--- +title: lessOrEqualToDuration +description: Asserts that the tested value is less or equal than the tested value. However, it's often best to assert that the target is equal to its expected value. +--- + +# .lessOrEqualToDuration() + +Asserts that the tested value is less or equal than the tested value. However, it's often best to assert that the target is equal to its expected value. + +Asserts that a value is less than or equal to the expected value. + +## Examples + +### Basic Usage + +```d +expect(smallValue).to.be.lessOrEqualTo(largeValue); +expect(smallValue).to.be.lessOrEqualTo(smallValue); +expect(smallValue).to.be.lessOrEqualTo(largeValue); +expect(smallValue).to.be.lessOrEqualTo(smallValue); +``` + +### With Negation + +```d +expect(largeValue).not.to.be.lessOrEqualTo(smallValue); +expect(largeValue).not.to.be.lessOrEqualTo(smallValue); +``` + +### What Failures Look Like + +When the assertion fails, you'll see a clear error message: + +```d +// This would fail: +expect(largeValue).to.be.lessOrEqualTo(smallValue); +``` + +## Modifiers + +This assertion supports the following modifiers: + +- `.not` - Negates the assertion +- `.to` - Language chain (no effect) +- `.be` - Language chain (no effect) diff --git a/docs/src/content/docs/api/comparison/lessThan.mdx b/docs/src/content/docs/api/comparison/lessThan.mdx new file mode 100644 index 00000000..da4bef64 --- /dev/null +++ b/docs/src/content/docs/api/comparison/lessThan.mdx @@ -0,0 +1,18 @@ +--- +title: lessThanDuration +description: Asserts that the tested value is less than the tested value. However, it's often best to assert that the target is equal to its expected value. +--- + +# .lessThanDuration() + +Asserts that the tested value is less than the tested value. However, it's often best to assert that the target is equal to its expected value. + +Asserts that a value is strictly less than the expected value. + +## Modifiers + +This assertion supports the following modifiers: + +- `.not` - Negates the assertion +- `.to` - Language chain (no effect) +- `.be` - Language chain (no effect) diff --git a/docs/src/content/docs/api/equality/arrayEqual.mdx b/docs/src/content/docs/api/equality/arrayEqual.mdx new file mode 100644 index 00000000..f8484828 --- /dev/null +++ b/docs/src/content/docs/api/equality/arrayEqual.mdx @@ -0,0 +1,43 @@ +--- +title: arrayEqual +description: Checks if two arrays are strictly equal, element by element. +--- + +# .arrayEqual() + +The `.arrayEqual()` assertion checks if two arrays are strictly equal. It compares each element in the arrays using the `==` operator. + +## Examples + +### Basic Usage + +```d +expect([1, 2, 3]).to.arrayEqual([1, 2, 3]); +expect(["a", "b", "c"]).to.arrayEqual(["a", "b", "c"]); +``` + +### With Negation + +You can use `.not` to check that two arrays are not equal. + +```d +expect([1, 2, 3]).not.to.arrayEqual([1, 2, 4]); +expect(["a", "b", "c"]).not.to.arrayEqual(["a", "b", "d"]); +``` + +### How Failures Are Displayed + +If the assertion fails, you will see a clear error message indicating the differences between the arrays. + +```d +// This will fail: +expect([1, 2, 3]).to.arrayEqual([1, 2, 4]); +``` + +## Modifiers + +This assertion supports the following modifiers: + +- `.not` - Negates the assertion. +- `.to` - Language chain (no effect). +- `.be` - Language chain (no effect). diff --git a/docs/src/content/docs/api/equality/equal.mdx b/docs/src/content/docs/api/equality/equal.mdx new file mode 100644 index 00000000..830b9c67 --- /dev/null +++ b/docs/src/content/docs/api/equality/equal.mdx @@ -0,0 +1,44 @@ +--- +title: equal +description: Asserts that the target is strictly == equal to the given val. +--- + +# .equal() + +Asserts that the target is strictly == equal to the given val. + +Asserts that the current value is strictly equal to the expected value. + +## Examples + +### Basic Usage + +```d +expect(true).to.equal(true); +expect(false).to.equal(false); +expect(2.seconds).to.equal(2.seconds); +``` + +### With Negation + +```d +expect(true).to.not.equal(false); +expect(false).to.not.equal(true); +``` + +### What Failures Look Like + +When the assertion fails, you'll see a clear error message: + +```d +// This would fail: +expect(true).to.equal(false); +``` + +## Modifiers + +This assertion supports the following modifiers: + +- `.not` - Negates the assertion +- `.to` - Language chain (no effect) +- `.be` - Language chain (no effect) diff --git a/docs/src/content/docs/api/equality/index.mdx b/docs/src/content/docs/api/equality/index.mdx new file mode 100644 index 00000000..1e20a3f3 --- /dev/null +++ b/docs/src/content/docs/api/equality/index.mdx @@ -0,0 +1,31 @@ +--- +title: Equality Operations +description: Assertions for testing value equality +--- + +Test for value equality with these assertions. + +## equal + +Asserts that the target is strictly (`==`) equal to the given value. + +```d +expect("hello").to.equal("hello"); +expect(42).to.equal(42); +``` + +### With Negation + +```d +expect("hello").to.not.equal("world"); +``` + +## approximately + +Asserts that a numeric value is within a tolerance of the expected value. + +```d +expect(3.14159).to.be.approximately(3.14, 0.01); +``` + +Useful for floating-point comparisons where exact equality isn't possible. diff --git a/docs/src/content/docs/api/index.mdx b/docs/src/content/docs/api/index.mdx new file mode 100644 index 00000000..d0293614 --- /dev/null +++ b/docs/src/content/docs/api/index.mdx @@ -0,0 +1,143 @@ +--- +title: API Reference +description: Complete reference for all fluent-asserts operations +--- + +This is the complete API reference for fluent-asserts. All assertions follow the BDD-style pattern: + +```d +expect(actualValue).to.operation(expectedValue); +``` + +## Quick Reference + +| Category | Operations | +|----------|-----------| +| [Equality](/api/equality/) | `equal`, `approximately` | +| [Comparison](/api/comparison/) | `greaterThan`, `lessThan`, `between`, `within` | +| [Strings](/api/strings/) | `contain`, `startWith`, `endWith` | +| [Ranges & Arrays](/api/ranges/) | `contain`, `containOnly`, `beEmpty`, `beSorted` | +| [Callables](/api/callable/) | `throwException`, `haveExecutionTime`, `allocateGCMemory` | +| [Types](/api/types/) | `beNull`, `instanceOf` | + +## The `expect` Function + +All assertions begin with `expect`: + +```d +import fluent.asserts; + +// With a value +expect(42).to.equal(42); + +// With a callable (for exception/memory testing) +expect({ + riskyOperation(); +}).to.throwException!RuntimeException; +``` + +## Language Chains + +These improve readability but don't affect the assertion: + +- `.to` / `.be` / `.been` / `.is` / `.that` / `.which` +- `.has` / `.have` / `.with` / `.at` / `.of` / `.same` + +```d +// All equivalent: +expect(value).equal(42); +expect(value).to.equal(42); +expect(value).to.be.equal(42); +``` + +## Negation + +Use `.not` to negate any assertion: + +```d +expect(42).to.not.equal(0); +expect("hello").to.not.beEmpty(); +``` + +## Categories + +### Equality + +Test for value equality. + +```d +expect("hello").to.equal("hello"); +expect(3.14).to.be.approximately(3.1, 0.1); +``` + +[View all Equality operations](/api/equality/) + +### Comparison + +Compare numeric values. + +```d +expect(42).to.be.greaterThan(10); +expect(42).to.be.lessThan(100); +expect(42).to.be.between(10, 100); +``` + +[View all Comparison operations](/api/comparison/) + +### Strings + +Test string content. + +```d +expect("hello world").to.contain("world"); +expect("hello").to.startWith("hel"); +expect("hello").to.endWith("llo"); +``` + +[View all String operations](/api/strings/) + +### Ranges & Arrays + +Test collections. + +```d +expect([1, 2, 3]).to.contain(2); +expect([1, 2, 3]).to.containOnly([1, 2, 3]); +expect([]).to.beEmpty(); +expect([1, 2, 3]).to.beSorted(); +``` + +[View all Range operations](/api/ranges/) + +### Callables & Exceptions + +Test function behavior. + +```d +expect({ + throw new Exception("error"); +}).to.throwException!Exception; + +expect({ + safeOperation(); +}).to.not.throwAnyException(); + +expect({ + auto arr = new int[1000]; +}).to.allocateGCMemory(); +``` + +[View all Callable operations](/api/callable/) + +### Types + +Test type properties. + +```d +void delegate() action = null; +expect(action).to.beNull(); + +expect(myObject).to.be.instanceOf!MyClass; +``` + +[View all Type operations](/api/types/) diff --git a/docs/src/content/docs/api/other/snapshot.mdx b/docs/src/content/docs/api/other/snapshot.mdx new file mode 100644 index 00000000..f88ed199 --- /dev/null +++ b/docs/src/content/docs/api/other/snapshot.mdx @@ -0,0 +1,96 @@ +--- +title: snapshot +description: The snapshot assertion +--- + +# .snapshot() + +## Examples + +### What Failures Look Like + +When the assertion fails, you'll see a clear error message: + +```d +// This would fail: +expect(5).to.equal(3)", + "3", "5", false, + "expect(5).to.not.equal(5)", + "not 5", "5", true), + SnapshotCase("equal (string)", `expect("hello").to.equal("world")`, + "world", "hello", false, + `expect("hello").to.not.equal("hello")`, + "not hello", "hello", true), + SnapshotCase("equal (array)", "expect([1,2,3]).to.equal([1,2,4])", + "[1, 2, 4]", "[1, 2, 3]", false, + "expect([1,2,3]).to.not.equal([1,2,3])", + "not [1, 2, 3]", "[1, 2, 3]", true), + SnapshotCase("contain (string)", `expect("hello").to.contain("xyz")`, + "to contain xyz", "hello", false, + `expect("hello").to.not.contain("ell")`, + "not to contain ell", "hello", true), + SnapshotCase("contain (array)", "expect([1,2,3]).to.contain(5)", + "to contain 5", "[1, 2, 3]", false, + "expect([1,2,3]).to.not.contain(2)", + "not to contain 2", "[1, 2, 3]", true), + SnapshotCase("containOnly", "expect([1,2,3]).to.containOnly([1,2])", + "to contain only [1, 2]", "[1, 2, 3]", false, + "expect([1,2,3]).to.not.containOnly([1,2,3])", + "not to contain only [1, 2, 3]", "[1, 2, 3]", true), + SnapshotCase("startWith", `expect("hello").to.startWith("xyz")`, + "to start with xyz", "hello", false, + `expect("hello").to.not.startWith("hel")`, + "not to start with hel", "hello", true), + SnapshotCase("endWith", `expect("hello").to.endWith("xyz")`, + "to end with xyz", "hello", false, + `expect("hello").to.not.endWith("llo")`, + "not to end with llo", "hello", true), + SnapshotCase("beNull", "Object obj = new Object(); +expect(obj).to.beNull", + "null", "object.Object", false, + "Object obj = null; +expect(obj).to.not.beNull", + "not null", "object.Object", true), + SnapshotCase("approximately (scalar)", "expect(0.5).to.be.approximately(0.3, 0.1)", + "0.3±0.1", "0.5", false, + "expect(0.351).to.not.be.approximately(0.35, 0.01)", + "0.35±0.01", "0.351", true), + SnapshotCase("approximately (array)", "expect([0.5]).to.be.approximately([0.3], 0.1)", + "[0.3±0.1]", "[0.5]", false, + "expect([0.35]).to.not.be.approximately([0.35], 0.01)", + "[0.35±0.01]", "[0.35]", true), + SnapshotCase("greaterThan", "expect(3).to.be.greaterThan(5)", + "greater than 5", "3", false, + "expect(5).to.not.be.greaterThan(3)", + "less than or equal to 3", "5", true), + SnapshotCase("lessThan", "expect(5).to.be.lessThan(3)", + "less than 3", "5", false, + "expect(3).to.not.be.lessThan(5)", + "greater than or equal to 5", "3", true), + SnapshotCase("between", "expect(10).to.be.between(1, 5)", + "a value inside (1, 5) interval", "10", false, + "expect(3).to.not.be.between(1, 5)", + "a value outside (1, 5) interval", "3", true), + SnapshotCase("greaterOrEqualTo", "expect(3).to.be.greaterOrEqualTo(5)", + "greater or equal than 5", "3", false, + "expect(5).to.not.be.greaterOrEqualTo(3)", + "less than 3", "5", true), + SnapshotCase("lessOrEqualTo", "expect(5).to.be.lessOrEqualTo(3)", + "less or equal to 3", "5", false, + "expect(3).to.not.be.lessOrEqualTo(5)", + "greater than 5", "3", true), + SnapshotCase("instanceOf", "expect(new Object()).to.be.instanceOf!Exception", + "typeof object.Exception", "typeof object.Object", false, + "expect(new Exception(\"test\")).to.not.be.instanceOf!Object", + "not typeof object.Object", "typeof object.Exception", true), + ]) {{ + output.put("## " ~ c.name ~ "\n\n"); +``` + +## Modifiers + +This assertion supports the following modifiers: + +- `.not` - Negates the assertion +- `.to` - Language chain (no effect) +- `.be` - Language chain (no effect) diff --git a/docs/src/content/docs/api/ranges/beEmpty.mdx b/docs/src/content/docs/api/ranges/beEmpty.mdx new file mode 100644 index 00000000..42363595 --- /dev/null +++ b/docs/src/content/docs/api/ranges/beEmpty.mdx @@ -0,0 +1,41 @@ +--- +title: .beEmpty() +description: Asserts that an array or range is empty +--- + +Asserts that an array or range contains no elements. + +## Examples + +```d +int[] empty; +expect(empty).to.beEmpty(); +expect([]).to.beEmpty(); +``` + +### With Strings + +```d +expect("").to.beEmpty(); +``` + +### With Negation + +```d +expect([1, 2, 3]).to.not.beEmpty(); +expect("hello").to.not.beEmpty(); +``` + +### What Failures Look Like + +```d +expect([1, 2, 3]).to.beEmpty(); +``` + +``` +ASSERTION FAILED: [1, 2, 3] should be empty. +OPERATION: beEmpty + + ACTUAL: [1, 2, 3] +EXPECTED: empty +``` diff --git a/docs/src/content/docs/api/ranges/beSorted.mdx b/docs/src/content/docs/api/ranges/beSorted.mdx new file mode 100644 index 00000000..d9c29e3e --- /dev/null +++ b/docs/src/content/docs/api/ranges/beSorted.mdx @@ -0,0 +1,34 @@ +--- +title: .beSorted() +description: Asserts that an array is sorted in ascending order +--- + +Asserts that an array is sorted in ascending order. Each element must be less than or equal to the next element. + +## Examples + +```d +expect([1, 2, 3, 4, 5]).to.beSorted(); +expect(["a", "b", "c"]).to.beSorted(); +``` + +### With Negation + +```d +expect([3, 1, 2]).to.not.beSorted(); +expect([5, 4, 3, 2, 1]).to.not.beSorted(); +``` + +### What Failures Look Like + +```d +expect([3, 1, 2]).to.beSorted(); +``` + +``` +ASSERTION FAILED: [3, 1, 2] should be sorted. +OPERATION: beSorted + + ACTUAL: [3, 1, 2] +EXPECTED: sorted in ascending order +``` diff --git a/docs/src/content/docs/api/ranges/containOnly.mdx b/docs/src/content/docs/api/ranges/containOnly.mdx new file mode 100644 index 00000000..71667067 --- /dev/null +++ b/docs/src/content/docs/api/ranges/containOnly.mdx @@ -0,0 +1,39 @@ +--- +title: .containOnly() +description: Asserts that an array contains only the specified elements (in any order) +--- + +Asserts that an array contains exactly the specified elements, regardless of order. The array must have the same elements as the expected set, no more and no less. + +## Examples + +```d +expect([1, 2, 3]).to.containOnly([3, 2, 1]); +expect([1, 2, 3]).to.containOnly([1, 2, 3]); +expect(["a", "b"]).to.containOnly(["b", "a"]); +``` + +### With Negation + +```d +expect([1, 2, 3]).to.not.containOnly([1, 2]); // has extra element +expect([1, 2]).to.not.containOnly([1, 2, 3]); // missing element +``` + +### What Failures Look Like + +```d +expect([1,2,3]).to.containOnly([1,2]); +``` + +``` +ASSERTION FAILED: [1, 2, 3] should contain only [1, 2]. +OPERATION: containOnly + + ACTUAL: [1, 2, 3] +EXPECTED: to contain only [1, 2] +``` + +## See Also + +- [contain](/api/ranges/) - Check if array contains a single element diff --git a/docs/src/content/docs/api/ranges/index.mdx b/docs/src/content/docs/api/ranges/index.mdx new file mode 100644 index 00000000..9084a6ea --- /dev/null +++ b/docs/src/content/docs/api/ranges/index.mdx @@ -0,0 +1,42 @@ +--- +title: Range & Array Operations +description: Assertions for testing collections +--- + +Test collections with these assertions. + +## contain + +Asserts that an array or range contains the expected element. + +```d +expect([1, 2, 3]).to.contain(2); +expect(["a", "b", "c"]).to.contain("b"); +``` + +## containOnly + +Asserts that an array contains only the specified elements (in any order). + +```d +expect([1, 2, 3]).to.containOnly([3, 2, 1]); +expect([1, 2, 3]).to.containOnly([1, 2, 3]); +``` + +## beEmpty + +Asserts that an array or range is empty. + +```d +int[] empty; +expect(empty).to.beEmpty(); +expect([]).to.beEmpty(); +``` + +## beSorted + +Asserts that an array is sorted in ascending order. + +```d +expect([1, 2, 3, 4, 5]).to.beSorted(); +``` diff --git a/docs/src/content/docs/api/strings/contain.mdx b/docs/src/content/docs/api/strings/contain.mdx new file mode 100644 index 00000000..d02e9c24 --- /dev/null +++ b/docs/src/content/docs/api/strings/contain.mdx @@ -0,0 +1,45 @@ +--- +title: contain +description: When the tested value is a string, it asserts that the given string val is a substring of the target. \n\n +--- + +# .contain() + +When the tested value is a string, it asserts that the given string val is a substring of the target. \n\n + +Asserts that a string contains specified substrings. + +## Examples + +### Basic Usage + +```d +expect("hello world").to.contain("world"); +expect("hello world").to.contain("hello"); +expect("hello world").to.contain("world"); +expect([1, 2, 3]).to.contain(2); +``` + +### With Negation + +```d +expect("hello world").to.not.contain("foo"); +expect([1, 2, 3]).to.not.contain(5); +``` + +### What Failures Look Like + +When the assertion fails, you'll see a clear error message: + +```d +// This would fail: +expect("hello world").to.contain("foo"); +``` + +## Modifiers + +This assertion supports the following modifiers: + +- `.not` - Negates the assertion +- `.to` - Language chain (no effect) +- `.be` - Language chain (no effect) diff --git a/docs/src/content/docs/api/strings/endWith.mdx b/docs/src/content/docs/api/strings/endWith.mdx new file mode 100644 index 00000000..b2464227 --- /dev/null +++ b/docs/src/content/docs/api/strings/endWith.mdx @@ -0,0 +1,18 @@ +--- +title: endWith +description: Tests that the tested string ends with the expected value. +--- + +# .endWith() + +Tests that the tested string ends with the expected value. + +Asserts that a string ends with the expected suffix. + +## Examples + +### Basic Usage + +```d +expect("str\ning").to.endWith("ing"); +``` diff --git a/docs/src/content/docs/api/strings/index.mdx b/docs/src/content/docs/api/strings/index.mdx new file mode 100644 index 00000000..dd97966e --- /dev/null +++ b/docs/src/content/docs/api/strings/index.mdx @@ -0,0 +1,33 @@ +--- +title: String Operations +description: Assertions for testing string content +--- + +Test string content with these assertions. + +## contain + +Asserts that a string contains the expected substring. + +```d +expect("hello world").to.contain("world"); +expect("hello world").to.contain("o w"); +``` + +## startWith + +Asserts that a string starts with the expected prefix. + +```d +expect("hello").to.startWith("hel"); +expect("https://example.com").to.startWith("https://"); +``` + +## endWith + +Asserts that a string ends with the expected suffix. + +```d +expect("hello").to.endWith("llo"); +expect("file.txt").to.endWith(".txt"); +``` diff --git a/docs/src/content/docs/api/strings/startWith.mdx b/docs/src/content/docs/api/strings/startWith.mdx new file mode 100644 index 00000000..a0ded472 --- /dev/null +++ b/docs/src/content/docs/api/strings/startWith.mdx @@ -0,0 +1,10 @@ +--- +title: startWith +description: Tests that the tested string starts with the expected value. +--- + +# .startWith() + +Tests that the tested string starts with the expected value. + +Asserts that a string starts with the expected prefix. diff --git a/docs/src/content/docs/api/types/beNull.mdx b/docs/src/content/docs/api/types/beNull.mdx new file mode 100644 index 00000000..0f18ed6f --- /dev/null +++ b/docs/src/content/docs/api/types/beNull.mdx @@ -0,0 +1,18 @@ +--- +title: beNull +description: Asserts that the value is null. +--- + +# .beNull() + +Asserts that the value is null. + +Asserts that a value is null (for nullable types like pointers, delegates, classes). + +## Modifiers + +This assertion supports the following modifiers: + +- `.not` - Negates the assertion +- `.to` - Language chain (no effect) +- `.be` - Language chain (no effect) diff --git a/docs/src/content/docs/api/types/index.mdx b/docs/src/content/docs/api/types/index.mdx new file mode 100644 index 00000000..1b93c77c --- /dev/null +++ b/docs/src/content/docs/api/types/index.mdx @@ -0,0 +1,42 @@ +--- +title: Type Operations +description: Assertions for testing type properties +--- + +Test type properties with these assertions. + +## beNull + +Asserts that a value is null. + +```d +void delegate() action = null; +expect(action).to.beNull(); +``` + +### Negation + +```d +expect({ /* something */ }).to.not.beNull(); +``` + +## instanceOf + +Asserts that an object is an instance of a specific class or interface. + +```d +class Animal {} +class Dog : Animal {} + +auto dog = new Dog(); +expect(dog).to.be.instanceOf!Dog; +expect(dog).to.be.instanceOf!Animal; +``` + +### Negation + +```d +class Cat : Animal {} + +expect(dog).to.not.be.instanceOf!Cat; +``` diff --git a/docs/src/content/docs/api/types/instanceOf.mdx b/docs/src/content/docs/api/types/instanceOf.mdx new file mode 100644 index 00000000..a7eee044 --- /dev/null +++ b/docs/src/content/docs/api/types/instanceOf.mdx @@ -0,0 +1,30 @@ +--- +title: instanceOf +description: Asserts that the tested value is related to a type. +--- + +# .instanceOf() + +Asserts that the tested value is related to a type. + +Asserts that a value is an instance of a specific type or inherits from it. + +## Examples + +### With Negation + +```d +expect(value).to.be.instanceOf!Object; +expect(value).to.not.be.instanceOf!string; +expect(value).to.be.instanceOf!Exception; +expect(value).to.be.instanceOf!Object; +expect(value).to.not.be.instanceOf!string; +``` + +## Modifiers + +This assertion supports the following modifiers: + +- `.not` - Negates the assertion +- `.to` - Language chain (no effect) +- `.be` - Language chain (no effect) diff --git a/docs/src/content/docs/guide/assertion-styles.mdx b/docs/src/content/docs/guide/assertion-styles.mdx new file mode 100644 index 00000000..ad79608a --- /dev/null +++ b/docs/src/content/docs/guide/assertion-styles.mdx @@ -0,0 +1,179 @@ +--- +title: Assertion Styles +description: Learn about BDD-style assertions in fluent-asserts. +--- + +fluent-asserts uses a **BDD (Behavior-Driven Development)** style for writing tests. This makes your tests easy to read, like plain English. + +## The `expect` Function + +All assertions start with the `expect` function. It takes the value you want to test. + +```d +expect(actualValue).to.equal(expectedValue); +``` + +## The `Assert` Struct + +You can also use the `Assert` struct for a more traditional style. + +```d +// These two lines do the same thing: +expect(testedValue).to.equal(42); +Assert.equal(testedValue, 42); +``` + +To check for the opposite, add `not` to the beginning of the method name. + +```d +Assert.notEqual(testedValue, 42); +Assert.notContain(text, "error"); +Assert.notNull(value); +``` + +You can add an optional message to explain the assertion. + +```d +Assert.equal(user.age, 18, "The user must be an adult."); +Assert.greaterThan(balance, 0, "The balance cannot be negative."); +``` + +For assertions with multiple arguments: + +```d +Assert.between(score, 0, 100); +Assert.within(temperature, 20, 25); +Assert.approximately(pi, 3.14, 0.01); +``` + +## Language Chains + +fluent-asserts includes words that make assertions more readable but don't change the result. These are called "language chains." + +- `.to` +- `.be` +- `.been` +- `.is` +- `.that` +- `.which` +- `.has` +- `.have` +- `.with` +- `.at` +- `.of` +- `.same` + +You can use them to make your code read more naturally. + +```d +// All of these are the same: +expect(value).to.equal(42); +expect(value).to.be.equal(42); +expect(value).equal(42); +``` + +## Negation with `.not` + +Use `.not` to reverse any assertion. + +```d +expect(42).to.not.equal(0); +expect("hello").to.not.contain("xyz"); +expect([1, 2, 3]).to.not.beEmpty(); +``` + +## Common Assertion Examples + +### Equality + +```d +// Check for exact equality +expect(value).to.equal(42); +expect(name).to.equal("Alice"); + +// Check for approximate equality for numbers +expect(pi).to.be.approximately(3.14, 0.01); +``` + +### Comparisons + +```d +expect(age).to.be.greaterThan(18); +expect(count).to.be.lessThan(100); +expect(score).to.be.between(0, 100); +expect(temperature).to.be.within(20, 25); +``` + +### Strings + +```d +expect(text).to.contain("world"); +expect(url).to.startWith("https://"); +expect(filename).to.endWith(".txt"); +``` + +### Collections + +```d +expect(array).to.contain(42); +expect(list).to.containOnly([1, 2, 3]); +expect(empty).to.beEmpty(); +expect(sorted).to.beSorted(); +``` + +### Types + +```d +expect(value).to.beNull(); +expect(obj).to.be.instanceOf!MyClass; +``` + +### Exceptions + +```d +// Check for a specific exception +expect({ + throw new CustomException("error"); +}).to.throwException!CustomException; + +// Check for any exception +expect({ + riskyOperation(); +}).to.throwAnyException(); + +// Check that no exception is thrown +expect({ + safeOperation(); +}).to.not.throwAnyException(); +``` + +### Callables + +```d +// Check memory allocation +expect({ + auto arr = new int[1000]; + return arr.length; +}).to.allocateGCMemory(); + +// Check execution time +expect({ + fastOperation(); +}).to.haveExecutionTime.lessThan(100.msecs); +``` + +## Custom Error Messages + +When an assertion fails, fluent-asserts provides a clear error message: + +``` +ASSERTION FAILED: expect(value) should equal 42 + ACTUAL: 10 + EXPECTED: 42 +``` + +## Next Steps + +- See the full [API Reference](/api/) for all available assertions. +- Learn about [Core Concepts](/guide/core-concepts/). +- Discover how to [Extend](/guide/extending/) fluent-asserts. diff --git a/docs/src/content/docs/guide/configuration.mdx b/docs/src/content/docs/guide/configuration.mdx new file mode 100644 index 00000000..4b3b6f2c --- /dev/null +++ b/docs/src/content/docs/guide/configuration.mdx @@ -0,0 +1,206 @@ +--- +title: Configuration +description: Configuring fluent-asserts output formats and settings +--- + +fluent-asserts provides configurable output formats for assertion failure messages. This is useful for different environments like CI/CD pipelines, AI-assisted development, or custom tooling. + +## Output Formats + +Three output formats are available, each designed for a specific audience: + +### Verbose (Default) + +The **human-friendly** format. Provides detailed, readable output with full context including source code snippets. Perfect for local development and debugging when you need to understand exactly what went wrong. + +``` +ASSERTION FAILED: 5 should equal 3. +OPERATION: equal + + ACTUAL: 5 +EXPECTED: 3 + +source/mytest.d:42 +> 42: expect(5).to.equal(3); +``` + +### TAP (Test Anything Protocol) + +The **universal machine-readable** format. [TAP](https://testanything.org/) is a standard protocol understood by CI/CD systems, test harnesses, and reporting tools worldwide. Use this when integrating with automated pipelines or generating test reports. + +``` +not ok - 5 should equal 3. + --- + actual: 5 + expected: 3 + at: source/mytest.d:42 + ... +``` + +### Compact + +The **token-optimized** format for AI-assisted development. Delivers all essential information in a single line, minimizing token usage when working with AI coding assistants like Claude Code. Every character counts when you're paying per token. + +``` +FAIL: 5 should equal 3. | actual=5 expected=3 | source/mytest.d:42 +``` + +## Setting the Output Format + +### Environment Variable + +Set the `CLAUDECODE` environment variable to `1` to automatically use compact format: + +```bash +CLAUDECODE=1 dub test +``` + +This is useful when running tests in AI-assisted development environments like Claude Code. + +### Programmatic Configuration + +You can set the output format at runtime: + +```d +import fluentasserts.core.config; + +// Set to compact format +config.output.setFormat(OutputFormat.compact); + +// Set to TAP format +config.output.setFormat(OutputFormat.tap); + +// Set to verbose format (default) +config.output.setFormat(OutputFormat.verbose); +``` + +### Per-Test Configuration + +You can temporarily change the format for specific tests: + +```d +unittest { + // Save current format + auto previousFormat = config.output.format; + scope(exit) config.output.setFormat(previousFormat); + + // Use TAP format for this test + config.output.setFormat(OutputFormat.tap); + + expect(5).to.equal(3); +} +``` + +## Format Comparison + +| Format | Audience | Use Case | Output Size | +|--------|----------|----------|-------------| +| `verbose` | Humans | Local development, debugging | Large | +| `tap` | Machines | CI/CD pipelines, test harnesses, reporting tools | Medium | +| `compact` | AI assistants | Claude Code, token-limited contexts | Small | + +## Example Outputs + +For a failing assertion `expect([1,2,3]).to.contain(5)`: + +**Verbose:** +``` +ASSERTION FAILED: [1, 2, 3] should contain 5. 5 is missing from [1, 2, 3]. +OPERATION: contain + + ACTUAL: [1, 2, 3] +EXPECTED: to contain 5 + +source/test.d:10 +> 10: expect([1,2,3]).to.contain(5); +``` + +**Compact:** +``` +FAIL: [1, 2, 3] should contain 5. 5 is missing from [1, 2, 3]. | actual=[1, 2, 3] expected=to contain 5 | source/test.d:10 +``` + +**TAP:** +``` +not ok - [1, 2, 3] should contain 5. 5 is missing from [1, 2, 3]. + --- + actual: [1, 2, 3] + expected: to contain 5 + at: source/test.d:10 + ... +``` + +## Release Build Configuration + +By default, fluent-asserts behaves like D's built-in `assert`: assertions are enabled in debug builds and disabled (become no-ops) in release builds. This allows you to use fluent-asserts as a replacement for `assert` in your production code without any runtime overhead in release builds. + +### Default Behavior + +| Build Type | Assertions | +|------------|------------| +| Debug (default) | Enabled | +| Release (`-release` or `dub build -b release`) | Disabled (no-op) | + +### Version Flags + +You can override the default behavior using version flags. + +**Force enable in release builds:** + +import { Tabs, TabItem } from '@astrojs/starlight/components'; + + + +```sdl +versions "FluentAssertsDebug" +``` + + +```json +{ + "versions": ["FluentAssertsDebug"] +} +``` + + + +**Force disable in all builds:** + + + +```sdl +versions "D_Disable_FluentAsserts" +``` + + +```json +{ + "versions": ["D_Disable_FluentAsserts"] +} +``` + + + +### Compile-Time Check + +You can check at compile-time whether assertions are enabled: + +```d +import fluent.asserts; + +static if (fluentAssertsEnabled) { + // assertions are active + writeln("Running with assertions enabled"); +} else { + // assertions are disabled (release build) + writeln("Assertions disabled for performance"); +} +``` + +This is useful for conditionally including assertion-related code or logging. + +## Next Steps + +- Learn about [Assertion Statistics](/guide/statistics/) for tracking test metrics +- Learn about [Core Concepts](/guide/core-concepts/) +- Browse the [API Reference](/api/) diff --git a/docs/src/content/docs/guide/context-data.mdx b/docs/src/content/docs/guide/context-data.mdx new file mode 100644 index 00000000..b326abd8 --- /dev/null +++ b/docs/src/content/docs/guide/context-data.mdx @@ -0,0 +1,185 @@ +--- +title: Context Data +description: Include additional debugging information with assertions +--- + +When assertions run in loops or complex scenarios, it's helpful to know exactly which iteration or condition caused a failure. fluent-asserts provides two features for attaching context data to assertions. + +## Format-Style `because` + +The `because` method now supports printf-style format strings, making it easy to include dynamic values in your failure messages: + +```d +import fluent.asserts; + +unittest { + foreach (i; 0 .. 100) { + auto result = computeValue(i); + result.should.equal(expected).because("At iteration %s", i); + } +} +``` + +On failure, you'll see: +``` +Because At iteration 42, result should equal expected. +``` + +### Multiple Format Arguments + +You can include multiple values: + +```d +result.should.equal(expected).because("iteration %s of %s with seed %s", i, total, seed); +``` + +### Format Specifiers + +Standard D format specifiers work: + +```d +value.should.equal(0).because("value %.2f exceeded threshold", floatValue); +value.should.beTrue.because("flags: 0x%08X", bitmask); +``` + +## Context Attachment with `withContext` + +For more structured debugging data, use `withContext` to attach key-value pairs: + +```d +import fluent.asserts; + +unittest { + foreach (userId; userIds) { + auto user = fetchUser(userId); + + user.isActive.should.beTrue + .withContext("userId", userId) + .withContext("email", user.email); + } +} +``` + +### Chaining Multiple Contexts + +You can chain multiple `withContext` calls: + +```d +result.should.equal(expected) + .withContext("iteration", i) + .withContext("input", testInput) + .withContext("config", configName); +``` + +### Context in Output + +Context data is displayed differently based on the output format: + +**Verbose format:** +``` +ASSERTION FAILED: result should equal expected. +OPERATION: equal + +CONTEXT: + userId = 42 + email = test@example.com + + ACTUAL: false +EXPECTED: true +``` + +**Compact format:** +``` +FAIL: result should equal expected. | context: userId=42, email=test@example.com | actual=false expected=true | test.d:15 +``` + +**TAP format:** +``` +not ok - result should equal expected. + --- + context: + userId: 42 + email: test@example.com + actual: false + expected: true + at: test.d:15 + ... +``` + +## Combining Both Features + +You can use `because` and `withContext` together: + +```d +result.should.equal(expected) + .because("validation failed for user %s", userId) + .withContext("email", user.email) + .withContext("role", user.role); +``` + +## Use Cases + +### Loop Debugging + +```d +foreach (i, testCase; testCases) { + auto result = process(testCase.input); + result.should.equal(testCase.expected) + .withContext("index", i) + .withContext("input", testCase.input); +} +``` + +### Parameterized Tests + +```d +static foreach (config; testConfigurations) { + unittest { + auto result = runWith(config); + result.isValid.should.beTrue + .withContext("config", config.name) + .withContext("timeout", config.timeout); + } +} +``` + +### Multi-Threaded Tests + +```d +import std.parallelism; + +foreach (task; parallel(tasks)) { + auto result = task.execute(); + result.should.equal(task.expected) + .withContext("taskId", task.id) + .withContext("thread", thisThreadId); +} +``` + +### Complex Object Validation + +```d +void validateOrder(Order order) { + order.total.should.beGreaterThan(0) + .withContext("orderId", order.id) + .withContext("customer", order.customerId) + .withContext("items", order.items.length); + + order.status.should.equal(Status.pending) + .withContext("orderId", order.id) + .withContext("createdAt", order.createdAt.toISOString); +} +``` + +## Limits + +- Context is limited to 8 key-value pairs per assertion (defined by `MAX_CONTEXT_ENTRIES`) +- Keys and values are converted to strings using `std.conv.to!string` +- Context is cleared between assertions +- If you exceed 8 context entries, a warning is displayed in the output indicating that additional entries were dropped + +## Next Steps + +- Learn about [Configuration](/guide/configuration/) for output format options +- See [Assertion Styles](/guide/assertion-styles/) for different ways to write assertions +- Explore [Core Concepts](/guide/core-concepts/) for understanding the assertion lifecycle diff --git a/docs/src/content/docs/guide/contributing.mdx b/docs/src/content/docs/guide/contributing.mdx new file mode 100644 index 00000000..c541b443 --- /dev/null +++ b/docs/src/content/docs/guide/contributing.mdx @@ -0,0 +1,271 @@ +--- +title: Contributing +description: How you can contribute to fluent-asserts. +--- + +Thank you for your interest in contributing to fluent-asserts! This guide will help you get started. + +## Getting Started + +### What You Need + +- A D compiler (DMD, LDC, or GDC) +- The DUB package manager +- Git +- Node.js (for documentation work) + +### Clone the Repository + +First, get a copy of the project on your computer. + +```bash +git clone https://github.com/gedaiu/fluent-asserts.git +cd fluent-asserts +``` + +### Build and Test + +Next, build the library and run the tests to make sure everything is working. + +```bash +# Build the library +dub build + +# Run tests +dub test + +# Run tests with a specific compiler +dub test --compiler=ldc2 +``` + +## Project Structure + +Here is how the project is organized in v2: + +``` +fluent-asserts/ + source/ + fluent/ + asserts.d # The main file you import in your project + fluentasserts/ + core/ + base.d # Re-exports and Assert struct + expect.d # The main Expect struct and fluent API + evaluator.d # Evaluator structs that execute assertions + lifecycle.d # Lifecycle singleton and statistics + config.d # FluentAssertsConfig settings + listcomparison.d # Helpers for comparing lists + evaluation/ # Evaluation pipeline + eval.d # Evaluation struct and print methods + value.d # ValueEvaluation struct + equable.d # Type comparison helpers + types.d # Type detection utilities + constraints.d # Constraint checking + memory/ # @nogc memory management + heapstring.d # HeapString for @nogc strings + heapequable.d # HeapEquableValue for comparisons + process.d # Platform memory tracking + typenamelist.d # Type name storage + diff/ # Myers diff algorithm + conversion/ # Type conversion utilities + operations/ # All assertion operations + registry.d # Operation registry + snapshot.d # Snapshot testing + comparison/ # greaterThan, lessThan, between, approximately + equality/ # equal, arrayEqual + exception/ # throwException, throwAnyException + memory/ # allocateGCMemory, allocateNonGCMemory + string/ # contain, startWith, endWith + type/ # beNull, instanceOf + results/ # Result formatting and output + asserts.d # AssertResult struct + message.d # Message building + printer.d # Output printing + formatting.d # Value formatting + source/ # Source code extraction + serializers/ # Type serialization + heap_registry.d # HeapSerializerRegistry (@nogc) + stringprocessing.d # String processing utilities + docs/ # Documentation website (Starlight) +``` + +## Key Concepts for Contributors + +### Memory Management + +fluent-asserts v2 uses manual memory management for `@nogc` compatibility: + +- **HeapString** - Reference-counted string type with Small Buffer Optimization +- **HeapEquableValue** - Stores values for comparison without GC +- **FixedAppender** - Fixed-size buffer for building strings + +When writing new code, prefer these types over regular D strings in hot paths. See [Memory Management](/guide/memory-management/) for details. + +### The Evaluation Pipeline + +Assertions flow through this pipeline: + +1. `expect(value)` creates an `Expect` struct +2. Chain methods (`.to`, `.be`, `.not`) modify state +3. Terminal operations (`.equal()`, `.contain()`) trigger evaluation +4. `Evaluator` executes the operation and handles results +5. On failure, `Lifecycle` formats and throws the exception + +## Adding a New Operation + +To add a new assertion operation: + +### 1. Create the Operation Function + +Create a new file in the appropriate `operations/` subfolder: + +```d +module fluentasserts.operations.myCategory.myOperation; + +import fluentasserts.core.evaluation.eval : Evaluation; + +/// Asserts that the value satisfies some condition. +void myOperation(ref Evaluation evaluation) @safe nothrow { + // 1. Get values (use [] to access HeapString content) + auto actual = evaluation.currentValue.strValue[]; + auto expected = evaluation.expectedValue.strValue[]; + + // 2. Perform the check + auto isSuccess = /* your logic here */; + + // 3. Handle negation (.not) + if (evaluation.isNegated) { + isSuccess = !isSuccess; + } + + // 4. Set error messages on failure (use .put() for FixedAppender) + if (!isSuccess) { + evaluation.result.expected.put("description of what was expected"); + evaluation.result.actual.put(actual); + } +} +``` + +### 2. Add to Expect Struct + +Add the method to `expect.d`: + +```d +auto myOperation(T)(T expected) { + _evaluation.addOperationName("myOperation"); + // Set up expected value... + return Evaluator(_evaluation, &myOperationOp); +} +``` + +### 3. Write Tests + +```d +@("myOperation returns success when condition is met") +unittest { + auto evaluation = ({ + expect(actualValue).to.myOperation(expectedValue); + }).recordEvaluation; + + // Check the results (use [] for FixedAppender content) + expect(evaluation.result.expected[]).to.equal("..."); + expect(evaluation.result.actual[]).to.equal("..."); +} +``` + +### 4. Add Documentation + +Create a documentation page in `docs/src/content/docs/api/myCategory/myOperation.mdx`. + +## Writing Tests + +Use `recordEvaluation` to test assertion behavior without throwing: + +```d +@("equal returns expected and actual on mismatch") +unittest { + auto evaluation = ({ + expect(5).to.equal(10); + }).recordEvaluation; + + expect(evaluation.result.expected[]).to.equal("10"); + expect(evaluation.result.actual[]).to.equal("5"); +} + +@("equal passes when values match") +unittest { + auto evaluation = ({ + expect(42).to.equal(42); + }).recordEvaluation; + + // No failure means empty expected/actual + expect(evaluation.result.expected[]).to.beEmpty(); +} +``` + +## Documentation + +The documentation website is built with [Starlight](https://starlight.astro.build/). + +### Local Development + +```bash +cd docs +npm install +npm run dev +``` + +Visit `http://localhost:4321` to see the site. + +### Documentation Structure + +- `docs/src/content/docs/guide/` - User guides and tutorials +- `docs/src/content/docs/api/` - API reference pages +- `docs/src/content/docs/index.mdx` - Landing page + +### Writing Documentation + +- Use clear, concise language +- Include code examples that can be copy-pasted +- Link to related pages +- Update the upgrade guide if adding breaking changes + +## Code Style + +### General Guidelines + +- Use `@safe nothrow` for all operation functions +- Use `@nogc` where possible for memory-sensitive code +- Follow D naming conventions: `camelCase` for functions, `PascalCase` for types +- Add doc comments (`///`) to public functions and types + +### Specific to v2 + +- Access `HeapString` content with `[]` slice operator +- Use `FixedAppender.put()` instead of string assignment +- Prefer `HeapSerializerRegistry` for new serializers +- Keep operations focused on a single check + +## Submitting Changes + +1. Fork the repository on GitHub +2. Create a feature branch: `git checkout -b feature/my-feature` +3. Make your changes +4. Run tests: `dub test` +5. Commit with a clear message describing the change +6. Push and create a Pull Request + +### Pull Request Guidelines + +- Describe what the PR does and why +- Reference any related issues +- Include tests for new functionality +- Update documentation if needed +- Keep changes focused - one feature per PR + +## Questions? + +- Open an issue on [GitHub](https://github.com/gedaiu/fluent-asserts/issues) +- Check existing issues for similar questions +- See [Core Concepts](/guide/core-concepts/) for architecture details +- See [Extending](/guide/extending/) for custom operation examples diff --git a/docs/src/content/docs/guide/core-concepts.mdx b/docs/src/content/docs/guide/core-concepts.mdx new file mode 100644 index 00000000..1229a0d3 --- /dev/null +++ b/docs/src/content/docs/guide/core-concepts.mdx @@ -0,0 +1,239 @@ +--- +title: Core Concepts +description: Understanding how fluent-asserts works internally +--- + +This guide explains the internal architecture of fluent-asserts, which is helpful for understanding advanced usage and extending the library. + +## The Evaluation Pipeline + +When you write an assertion like: + +```d +expect(42).to.be.greaterThan(10); +``` + +Here's what happens internally: + +1. **Value Capture**: `expect(42)` creates an `Expect` struct holding the value +2. **Chain Building**: `.to.be` are language chains (no-ops for readability) +3. **Operation Execution**: `.greaterThan(10)` triggers the actual comparison +4. **Result Reporting**: Success or failure is reported with detailed messages + +## The Expect Struct + +The `Expect` struct is the main API entry point: + +```d +@safe struct Expect { + private { + Evaluation _evaluation; + int refCount; + bool _initialized; + } + + // Language chains (return self) + ref Expect to() return { return this; } + ref Expect be() return { return this; } + ref Expect not() return { + _evaluation.isNegated = !_evaluation.isNegated; + return this; + } + + // Terminal operations return Evaluator types + auto equal(T)(T expected) { /* ... */ } + auto greaterThan(T)(T value) { /* ... */ } + // ... +} +``` + +Key design points: +- The struct uses reference counting to track copies +- Evaluation runs in the destructor of the last copy +- All operations are `@safe` compatible + +## The Evaluation Struct + +The `Evaluation` struct holds all state for an assertion: + +```d +struct Evaluation { + size_t id; // Unique evaluation ID + ValueEvaluation currentValue; // The actual value + ValueEvaluation expectedValue; // The expected value + bool isNegated; // true if .not was used + SourceResult source; // Source location (lazily computed) + Throwable throwable; // Captured exception, if any + bool isEvaluated; // Whether evaluation is complete + AssertResult result; // Contains failure details +} +``` + +The operation names are stored internally and joined on access. + +## Value Evaluation + +For each value (actual and expected), fluent-asserts captures: + +```d +struct ValueEvaluation { + HeapString strValue; // String representation + HeapString niceValue; // Pretty-printed value + TypeNameList typeNames; // Type information + size_t gcMemoryUsed; // GC memory tracking + size_t nonGCMemoryUsed; // Non-GC memory tracking + Duration duration; // Execution time (for callables) + HeapString fileName; // Source file + size_t line; // Source line +} +``` + +Note: Values use `HeapString` for `@nogc` compatibility instead of regular D strings. + +## Callable Handling + +When you pass a callable (delegate/lambda) to `expect`, fluent-asserts has special handling: + +```d +expect({ + auto arr = new int[1000]; + return arr.length; +}).to.allocateGCMemory(); +``` + +The callable is: +1. **Wrapped** in an evaluation context +2. **Executed** with memory and timing measurement +3. **Results captured** for the assertion + +This enables testing: +- Exception throwing behavior +- Memory allocation (GC and non-GC) +- Execution time + +## Memory Tracking + +For memory assertions, fluent-asserts measures allocations: + +```d +// Before callable execution +gcMemoryBefore = GC.stats().usedSize; +nonGCMemoryBefore = getNonGCMemory(); + +// Execute callable +callable(); + +// Calculate delta +gcMemoryUsed = GC.stats().usedSize - gcMemoryBefore; +nonGCMemoryUsed = getNonGCMemory() - nonGCMemoryBefore; +``` + +Platform-specific implementations for non-GC memory: +- **Linux**: Uses `mallinfo()` for malloc arena statistics +- **macOS**: Uses `phys_footprint` from `TASK_VM_INFO` +- **Windows**: Falls back to process memory estimation + +## Operations + +Each assertion type (equal, greaterThan, contain, etc.) is implemented as an **operation function**: + +```d +void equal(ref Evaluation evaluation) @safe nothrow { + // Compare using HeapEquableValue for type-safe comparison + auto actualValue = evaluation.currentValue.getSerialized!T(); + auto expectedValue = evaluation.expectedValue.getSerialized!T(); + + auto isSuccess = actualValue == expectedValue; + + if (evaluation.isNegated) { + isSuccess = !isSuccess; + } + + if (!isSuccess) { + evaluation.result.expected.put(evaluation.expectedValue.strValue[]); + evaluation.result.actual.put(evaluation.currentValue.strValue[]); + } +} +``` + +Operations: +- Receive the `Evaluation` struct by reference +- Are `@safe nothrow` for reliability +- Check if the assertion passes +- Handle negation (`.not`) +- Set error messages on failure using `FixedAppender` + +## Error Reporting + +When an assertion fails, fluent-asserts builds a detailed error message: + +```d +struct AssertResult { + Message[] messages; // Descriptive message parts + FixedAppender expected; // Expected value + FixedAppender actual; // Actual value + bool negated; // Was .not used? + immutable(DiffSegment)[] diff; // For string/array diffs + FixedStringArray extra; // Extra items found + FixedStringArray missing; // Missing items + HeapString[] contextKeys; // Context data keys + HeapString[] contextValues; // Context data values +} +``` + +This produces output like: + +``` +ASSERTION FAILED: value should equal "hello". +OPERATION: equal + + ACTUAL: "world" +EXPECTED: "hello" + +source/test.d:42 +> 42: expect(value).to.equal("hello"); +``` + +## Type Serialization + +Values are converted to strings for display using `HeapSerializerRegistry`, which provides `@nogc` compatible serialization using `HeapString`. + +```d +// Register a custom serializer +HeapSerializerRegistry.instance.register!MyType((value) { + return toHeapString(format!"MyType(%s)"(value.field)); +}); +``` + +Built-in serializers handle common types like strings, numbers, arrays, and objects. + +## Lifecycle Management + +The `Lifecycle` singleton manages assertion state: + +```d +class Lifecycle { + static Lifecycle instance; + + // Begin a new evaluation + size_t beginEvaluation(ValueEvaluation value); + + // Complete an evaluation + void endEvaluation(ref Evaluation evaluation); + + // Handle assertion failure + void handleFailure(ref Evaluation evaluation); + + // Statistics tracking + AssertionStatistics statistics; + + // Custom failure handling + void setFailureHandler(FailureHandlerDelegate handler); +} +``` + +## Next Steps + +- Learn how to [Extend](/guide/extending/) fluent-asserts with custom operations +- Browse the [API Reference](/api/) for all built-in operations +- Understand [Memory Management](/guide/memory-management/) for `@nogc` contexts diff --git a/docs/src/content/docs/guide/extending.mdx b/docs/src/content/docs/guide/extending.mdx new file mode 100644 index 00000000..5765e77f --- /dev/null +++ b/docs/src/content/docs/guide/extending.mdx @@ -0,0 +1,218 @@ +--- +title: Extending +description: Create custom operations and serializers for fluent-asserts +--- + +fluent-asserts is designed to be extensible. You can create custom operations for domain-specific assertions and custom serializers for your types. + +## Custom Operations + +Operations are functions that perform the actual assertion logic. They receive an `Evaluation` struct and determine success or failure. + +### Creating a Custom Operation + +```d +import fluentasserts.core.evaluation.eval : Evaluation; + +/// Asserts that a string is a valid email address. +void beValidEmail(ref Evaluation evaluation) @safe nothrow { + import std.regex : ctRegex, matchFirst; + + // Get the actual value (use [] to access HeapString content) + auto emailSlice = evaluation.currentValue.strValue[]; + + // Remove quotes from string representation + string email; + if (emailSlice.length >= 2 && emailSlice[0] == '"' && emailSlice[$-1] == '"') { + email = emailSlice[1..$-1].idup; + } else { + email = emailSlice.idup; + } + + // Check if it matches email pattern + auto emailRegex = ctRegex!`^[^@]+@[^@]+\.[^@]+$`; + auto isSuccess = !matchFirst(email, emailRegex).empty; + + // Handle negation + if (evaluation.isNegated) { + isSuccess = !isSuccess; + } + + // Set error message on failure using FixedAppender + if (!isSuccess && !evaluation.isNegated) { + evaluation.result.expected.put("a valid email address"); + evaluation.result.actual.put(evaluation.currentValue.strValue[]); + } + + if (!isSuccess && evaluation.isNegated) { + evaluation.result.expected.put("not a valid email address"); + evaluation.result.actual.put(evaluation.currentValue.strValue[]); + } +} +``` + +### Registering with UFCS + +Use UFCS (Uniform Function Call Syntax) to add the operation to `Expect`: + +```d +import fluentasserts.core.expect : Expect; +import fluentasserts.core.evaluator : Evaluator; + +// Extend Expect with UFCS +Evaluator beValidEmail(ref Expect expect) { + expect.evaluation.addOperationName("beValidEmail"); + expect.evaluation.result.addText(" be a valid email"); + return Evaluator(expect.evaluation, &beValidEmailOp); +} + +// The operation function +void beValidEmailOp(ref Evaluation evaluation) @safe nothrow { + // ... implementation as above +} +``` + +### Using Your Custom Operation + +```d +unittest { + expect("user@example.com").to.beValidEmail(); + expect("invalid-email").to.not.beValidEmail(); +} +``` + +## Custom Serializers + +Serializers convert values to strings for display in error messages. In v2, use `HeapSerializerRegistry` for all custom serializers. It provides `@nogc` compatible serialization using `HeapString`. + +### Creating a Custom Serializer + +```d +import fluentasserts.results.serializers.heap_registry : HeapSerializerRegistry; +import fluentasserts.core.memory.heapstring : HeapString, toHeapString; +import std.format : format; + +struct User { + string name; + int age; +} + +// Register a custom serializer during module initialization +static this() { + HeapSerializerRegistry.instance.register!User((user) { + return toHeapString(format!"User(%s, age=%d)"(user.name, user.age)); + }); +} +``` + +### Using Custom Serializers + +With the serializer registered, error messages show meaningful output: + +```d +unittest { + auto alice = User("Alice", 30); + auto bob = User("Bob", 25); + + expect(alice).to.equal(bob); + // Output: + // ASSERTION FAILED: alice should equal User(Bob, age=25). + // ACTUAL: User(Alice, age=30) + // EXPECTED: User(Bob, age=25) +} +``` + +## Best Practices + +### Operation Guidelines + +1. **Make operations `@safe nothrow`** - Required for reliability and `@nogc` compatibility +2. **Handle negation** - Always check `evaluation.isNegated` +3. **Use FixedAppender for results** - Use `evaluation.result.expected.put()` and `evaluation.result.actual.put()` +4. **Access HeapString with `[]`** - Values are stored as `HeapString`, use the slice operator to access content +5. **Be type-safe** - Use D's type system to catch errors at compile time + +### Serializer Guidelines + +1. **Keep output concise** - Long strings are hard to read in error messages +2. **Include identifying information** - Show what makes values different +3. **Handle null/empty cases** - Don't crash on edge cases +4. **Return HeapString for `@nogc`** - Use `toHeapString()` for compatibility + +## Real-World Examples + +### Domain-Specific Assertions + +```d +import fluentasserts.core.evaluation.eval : Evaluation; +import std.format : format; + +/// Assert that a response has a specific HTTP status +void haveStatus(int expectedStatus)(ref Evaluation evaluation) @safe nothrow { + // Parse actual status from response (simplified) + auto statusStr = evaluation.currentValue.strValue[]; + int actualStatus = 0; + try { + actualStatus = statusStr.to!int; + } catch (Exception) { + // Handle parse error + } + + auto isSuccess = actualStatus == expectedStatus; + if (evaluation.isNegated) isSuccess = !isSuccess; + + if (!isSuccess) { + try { + evaluation.result.expected.put(format!"HTTP %d"(expectedStatus)); + evaluation.result.actual.put(format!"HTTP %d"(actualStatus)); + } catch (Exception) { + // Handle format error + } + } +} + +// Usage: +expect(response.status).to.haveStatus!200; +expect(errorResponse.status).to.haveStatus!404; +``` + +### Testing Exception Messages + +```d +unittest { + expect({ + throw new Exception("User not found"); + }).to.throwException!Exception.withMessage.equal("User not found"); +} +``` + +### Memory Assertion Extensions + +```d +unittest { + // Test that a function doesn't allocate GC memory + expect({ + // Your @nogc code here + int sum = 0; + foreach (i; 0 .. 100) sum += i; + return sum; + }).to.not.allocateGCMemory(); +} +``` + +## Migration from v1 + +If you have custom operations from v1, you'll need to update them: + +1. **Import path changed**: `fluentasserts.core.evaluation` to `fluentasserts.core.evaluation.eval` +2. **String values are HeapString**: Use `evaluation.currentValue.strValue[]` instead of `evaluation.currentValue.strValue` +3. **Result assignment changed**: Use `evaluation.result.expected.put()` instead of direct assignment +4. **Serializer registry**: Use `HeapSerializerRegistry` for custom serializers + +See the [Upgrading to v2.0.0](/guide/upgrading-v2/) guide for more details. + +## Next Steps + +- See the [API Reference](/api/) for built-in operations +- Read [Core Concepts](/guide/core-concepts/) to understand the internals +- Learn about [Memory Management](/guide/memory-management/) for `@nogc` contexts diff --git a/docs/src/content/docs/guide/installation.mdx b/docs/src/content/docs/guide/installation.mdx new file mode 100644 index 00000000..717acb17 --- /dev/null +++ b/docs/src/content/docs/guide/installation.mdx @@ -0,0 +1,224 @@ +--- +title: Installation +description: How to install fluent-asserts in your D project +--- + +import { Tabs, TabItem } from '@astrojs/starlight/components'; + +## Using DUB (Recommended) + +The easiest way to use fluent-asserts is through [DUB](https://code.dlang.org/), the D package manager. + + + +```sdl +dependency "fluent-asserts" version="~>2.0" +``` + + +```json +{ + "dependencies": { + "fluent-asserts": "~>2.0" + } +} +``` + + + +Then run: + +```bash +dub build +``` + +## Supported Compilers + +fluent-asserts works with: + +- **DMD** (Digital Mars D Compiler) - Reference compiler +- **LDC** (LLVM D Compiler) - Recommended for production +- **GDC** (GNU D Compiler) + +## Basic Usage + +Once installed, import the library and start writing assertions: + +```d +import fluent.asserts; + +unittest { + // Basic equality + expect("hello").to.equal("hello"); + + // Numeric comparisons + expect(42).to.be.greaterThan(10); + expect(3.14).to.be.approximately(3.1, 0.1); + + // String operations + expect("hello world").to.contain("world"); + + // Collections + expect([1, 2, 3]).to.contain(2); + + // Exception testing + expect({ + throw new Exception("error"); + }).to.throwException!Exception; +} +``` + +## Running Tests + +```bash +# Run all tests +dub test + +# Run tests with a specific compiler +dub test --compiler=ldc2 +``` + +## Release Builds + +By default, fluent-asserts assertions are disabled in release builds (similar to D's built-in `assert`). This means you can use fluent-asserts in production code without runtime overhead in release builds. + +See [Configuration](/guide/configuration/#release-build-configuration) for details on how to control this behavior. + +## Integration with Test Frameworks + +fluent-asserts integrates seamlessly with D test frameworks. + +### Trial (Recommended) + +[Trial](https://code.dlang.org/packages/trial) is an extensible test runner for D that pairs perfectly with fluent-asserts. It provides test discovery, custom reporters, and filtering capabilities. + +Add trial to your project: + + + +```sdl +dependency "fluent-asserts" version="~>2.0" +dependency "trial" version="~>0.8.0-beta.7" +``` + + +```json +{ + "dependencies": { + "fluent-asserts": "~>2.0", + "trial": "~>0.8.0-beta.7" + } +} +``` + + + +Run your tests with: + +```bash +dub run trial +``` + +Filter tests by name: + +```bash +dub run trial -- -t "test name pattern" +``` + +Trial discovers tests from `unittest` blocks and supports naming them with `@("name")` attributes or `///` doc comments. + +#### Naming Tests with Doc Comments + +Use `///` doc comments above your tests. Trial displays these in the test output: + +```d +import fluent.asserts; + +/// user registration requires a valid email +unittest { + expect({ + registerUser("invalid-email"); + }).to.throwException!ValidationError; +} + +/// passwords are hashed before storage +unittest { + auto user = createUser("test@example.com", "password123"); + expect(user.passwordHash).to.not.equal("password123"); +} +``` + +#### BDD-Style Spec Syntax + +For behavior-driven development, trial provides the `Spec!` template with `describe`, `it`, and `beforeEach` blocks: + +```d +module tests.user; + +import fluent.asserts; +import trial.discovery.spec; + +alias suite = Spec!({ + describe("User", { + int age; + + beforeEach({ + age = 21; + }); + + describe("age validation", { + it("accepts adults", { + expect(isAdult(age)).to.equal(true); + }); + + it("rejects minors", { + age = 16; + expect(isAdult(age)).to.equal(false); + }); + }); + }); +}); +``` + +### Built-in Unittests + +```d +unittest { + expect(1 + 1).to.equal(2); +} +``` + +### Unit-threaded + +```d +import unit_threaded; +import fluent.asserts; + +@("my test") +unittest { + expect(getValue()).to.equal(42); +} +``` + +### Silly + +```d +import silly; +import fluent.asserts; + +@("calculates correctly") +unittest { + expect(calculate(2, 3)).to.equal(5); +} +``` + +## Upgrading from v1.x + +If you're upgrading from fluent-asserts v1.x, see the [Upgrading to v2.0.0](/guide/upgrading-v2/) guide for migration steps and breaking changes. + +## Next Steps + +- Learn about [Assertion Styles](/guide/assertion-styles/) +- Configure [Output Formats](/guide/configuration/) for different environments +- Explore the [API Reference](/api/) +- See [Core Concepts](/guide/core-concepts/) for how it works under the hood diff --git a/docs/src/content/docs/guide/introduction.mdx b/docs/src/content/docs/guide/introduction.mdx new file mode 100644 index 00000000..b0c691ab --- /dev/null +++ b/docs/src/content/docs/guide/introduction.mdx @@ -0,0 +1,249 @@ +--- +title: Introduction +description: Fluent assertions for the D programming language +--- + +[Writing unit tests is easy with D](https://dlang.org/spec/unittest.html). The `unittest` block allows you to start writing tests and be productive with no special setup. + +Unfortunately the [assert expression](https://dlang.org/spec/expression.html#AssertExpression) does not help you write expressive asserts, and when a failure occurs it's hard to understand why. **fluent-asserts** allows you to more naturally specify the expected outcome of a TDD or BDD-style test. + +## Quick Start + +Add the dependency: + +```bash +dub add fluent-asserts +``` + +Write your first test: + +```d +unittest { + true.should.equal(false).because("this is a failing assert"); +} + +unittest { + Assert.equal(true, false, "this is a failing assert"); +} +``` + +Run the tests: + +```bash +dub test +``` + +## Features + +fluent-asserts is packed with capabilities to make your tests expressive, fast, and easy to debug. + +### Readable Assertions + +Write tests that read like sentences. The fluent API chains naturally, making your test intent crystal clear. + +```d +expect(user.age).to.be.greaterThan(18); +expect(response.status).to.equal(200); +expect(items).to.contain("apple").and.not.beEmpty(); +``` + +### Rich Assertion Library + +A comprehensive set of built-in assertions for all common scenarios: + +- **Equality**: `equal`, `approximately` +- **Comparison**: `greaterThan`, `lessThan`, `between`, `within` +- **Strings**: `contain`, `startWith`, `endWith`, `match` +- **Collections**: `contain`, `containOnly`, `beEmpty`, `beSorted` +- **Types**: `beNull`, `instanceOf` +- **Exceptions**: `throwException`, `throwAnyException` +- **Memory**: `allocateGCMemory`, `allocateNonGCMemory` +- **Timing**: `haveExecutionTime` + +See the [API Reference](/api/) for the complete list. + +### Detailed Failure Messages + +When assertions fail, you get all the context you need to understand what went wrong: + +``` +ASSERTION FAILED: user.age should be greater than 18. +OPERATION: greaterThan + + ACTUAL: 16 +EXPECTED: greater than 18 + +source/test.d:42 +> 42: expect(user.age).to.be.greaterThan(18); +``` + +### Multiple Output Formats + +Choose the right format for your environment: + +- **Verbose** - Human-friendly with full context for local development +- **TAP** - Universal machine-readable format for CI/CD pipelines +- **Compact** - Token-optimized for AI coding assistants + +See [Configuration](/guide/configuration/) for details. + +### Context Data for Debugging + +When testing in loops or complex scenarios, attach context to pinpoint failures: + +```d +foreach (i, user; users) { + user.isValid.should.beTrue + .withContext("index", i) + .withContext("userId", user.id) + .because("user %s failed validation", user.name); +} +``` + +See [Context Data](/guide/context-data/) for more examples. + +### Memory Allocation Testing + +Verify that your code behaves correctly with respect to memory: + +```d +// Ensure code allocates GC memory +expect({ auto arr = new int[100]; }).to.allocateGCMemory(); + +// Ensure code is @nogc compliant +expect({ int x = 42; }).not.to.allocateGCMemory(); +``` + +### @nogc Compatible + +The entire library works in `@nogc` contexts. Use fluent-asserts in performance-critical code without triggering garbage collection. + +### Zero Overhead in Release Builds + +Like D's built-in `assert`, fluent-asserts becomes a complete no-op in release builds. Use it freely in production code with zero runtime cost. + +### Assertion Statistics + +Track how your tests are performing: + +```d +auto stats = Lifecycle.instance.statistics; +writeln("Passed: ", stats.passedAssertions); +writeln("Failed: ", stats.failedAssertions); +``` + +See [Assertion Statistics](/guide/statistics/) for details. + +### Extensible + +Create custom assertions for your domain and register custom serializers for your types. See [Extending](/guide/extending/) for how to build on top of fluent-asserts. + +## The API + +The library provides three ways to write assertions: `expect`, `should`, and `Assert`. + +### expect + +`expect` is the main assertion function. It takes a value to test and returns a fluent assertion object. + +```d +expect(testedValue).to.equal(42); +``` + +Use `not` to negate and `because` to add context: + +```d +expect(testedValue).to.not.equal(42); +expect(true).to.equal(false).because("of test reasons"); +// Output: Because of test reasons, true should equal `false`. +``` + +### should + +`should` works with [UFCS](https://dlang.org/spec/function.html#pseudo-member) for a more natural reading style. It's an alias for `expect`: + +```d +// These are equivalent +testedValue.should.equal(42); +expect(testedValue).to.equal(42); +``` + +### Assert + +`Assert` provides a traditional assertion syntax: + +```d +// These are equivalent +expect(testedValue).to.equal(42); +Assert.equal(testedValue, 42); + +// Negate with "not" prefix +Assert.notEqual(testedValue, 42); +``` + +## Recording Evaluations + +The `recordEvaluation` function captures assertion results without throwing on failure. This is useful for testing assertion behavior or inspecting results programmatically. + +```d +import fluentasserts.core.lifecycle : recordEvaluation; + +unittest { + auto evaluation = ({ + expect(5).to.equal(10); + }).recordEvaluation; + + // Inspect the evaluation result (use [] to access FixedAppender content) + assert(evaluation.result.expected[] == "10"); + assert(evaluation.result.actual[] == "5"); +} +``` + +The `Evaluation.result` provides access to: +- `expected` - the expected value (use `[]` to get the string) +- `actual` - the actual value (use `[]` to get the string) +- `negated` - whether the assertion was negated with `.not` +- `missing` - array of missing elements (for collection comparisons) +- `extra` - array of extra elements (for collection comparisons) +- `messages` - the assertion message segments + +## Release Builds + +Like D's built-in `assert`, fluent-asserts assertions are disabled in release builds. This means you can use them in production code without runtime overhead: + +```d +// In debug builds: assertion is checked +// In release builds: this is a no-op +expect(value).to.be.greaterThan(0); +``` + +See [Configuration](/guide/configuration/#release-build-configuration) for how to control this behavior. + +## Custom Assert Handler + +During unittest builds, the library automatically installs a custom handler for D's built-in `assert` statements. This provides fluent-asserts style error messages even when using standard `assert`: + +```d +unittest { + assert(1 == 2, "math is broken"); + // Output includes ACTUAL/EXPECTED formatting and source location +} +``` + +The handler is only active during `version(unittest)` builds. To temporarily disable it: + +```d +import core.exception; + +auto savedHandler = core.exception.assertHandler; +scope(exit) core.exception.assertHandler = savedHandler; +core.exception.assertHandler = null; +``` + +## Next Steps + +- See the [Installation](/guide/installation/) guide for detailed setup +- Learn about [Assertion Styles](/guide/assertion-styles/) in depth +- Explore the [API Reference](/api/) for all available operations +- Understand the [Philosophy](/guide/philosophy/) behind fluent-asserts +- Upgrading from v1? See [Upgrading to v2.0.0](/guide/upgrading-v2/) diff --git a/docs/src/content/docs/guide/memory-management.mdx b/docs/src/content/docs/guide/memory-management.mdx new file mode 100644 index 00000000..094acdc9 --- /dev/null +++ b/docs/src/content/docs/guide/memory-management.mdx @@ -0,0 +1,351 @@ +--- +title: Memory Management +description: How fluent-asserts manages memory in @nogc contexts +--- + +This guide explains how fluent-asserts handles memory allocation internally, particularly for `@nogc` compatibility. Understanding these concepts is essential if you're extending the library or debugging memory-related issues. + +## Why Manual Memory Management? + +Fluent-asserts aims to work in `@nogc` contexts, which means it cannot use D's garbage collector for dynamic allocations. This is achieved through: + +1. **Fixed-size arrays** (`FixedArray`, `FixedAppender`) for bounded data +2. **Heap-allocated arrays** (`HeapData`, `HeapString`) for unbounded data with reference counting + +## HeapData and HeapString + +`HeapData!T` is a dynamic array using `malloc`/`free` instead of the GC, with two key optimizations: + +1. **Small Buffer Optimization (SBO)**: Short data is stored inline without heap allocation +2. **Combined Allocation**: Reference count is stored with the data in a single allocation + +```d +/// Heap-allocated dynamic array with ref-counting and small buffer optimization. +struct HeapData(T) { + private union Payload { + T[SBO_SIZE] small; // Inline storage for small data + HeapPayload* heap; // Pointer to heap allocation + } + private Payload _payload; + private size_t _length; + private ubyte _flags; // Bit 0: isHeap flag +} + +alias HeapString = HeapData!char; +``` + +### Small Buffer Optimization + +HeapData stores small amounts of data directly in the struct without any heap allocation: + +- **x86-64**: Up to ~47 characters stored inline (64-byte cache line) +- **ARM64** (Apple M1/M2): Up to ~111 characters stored inline (128-byte cache line) + +This dramatically reduces allocations for short strings and improves cache locality. + +```d +auto hs = toHeapString("hello"); // Stored inline, no malloc! +assert(hs.refCount() == 0); // SBO doesn't use ref counting + +auto long_str = toHeapString("a]".repeat(100).join); // Heap allocated +assert(long_str.refCount() == 1); // Heap data has ref count +``` + +### Creating HeapStrings + +```d +// From a string literal +auto hs = toHeapString("hello world"); + +// Using create() for manual control +auto hs2 = HeapString.create(100); // Initial capacity of 100 +hs2.put("data"); + +// create() with small capacity uses SBO +auto hs3 = HeapString.create(); // Uses small buffer +``` + +### Reference Counting + +HeapData uses reference counting for **heap-allocated** data only. Small buffer data is copied independently: + +```d +// Small buffer - copies are independent +auto a = toHeapString("hi"); // SBO, refCount = 0 +auto b = a; // Independent copy +b.put("!"); // Only b is modified +assert(a[] == "hi"); // a unchanged +assert(b[] == "hi!"); + +// Heap allocation - copies share data +auto x = toHeapString("x".repeat(200).join); // Forces heap +auto y = x; // Shares reference, refCount = 2 +assert(x.refCount() == 2); +``` + +### Combined Allocation + +The reference count is stored at the start of the heap allocation, followed by the data: + +```d +private struct HeapPayload { + size_t refCount; + size_t capacity; + // Data follows immediately after... + + T* dataPtr() { + return cast(T*)(cast(void*)&this + HeapPayload.sizeof); + } +} +``` + +This means heap allocation requires only **one malloc call** instead of two (compared to the old implementation). + +## The Postblit Solution + +fluent-asserts uses D's **postblit constructor** (`this(this)`) to handle blit operations automatically. Postblit is called **after** D performs a blit, allowing us to fix up reference counts: + +```d +struct HeapData(T) { + /// Postblit - called after D blits this struct. + /// For heap data: increments ref count. + /// For small buffer: nothing to do (data already copied). + this(this) @trusted @nogc nothrow { + if (isHeap() && _payload.heap) { + _payload.heap.refCount++; + } + } +} +``` + +### How Postblit Works + +1. D performs blit (memcpy) of the struct +2. D calls `this(this)` on the new copy +3. For heap data: postblit increments the reference count +4. For SBO data: nothing needed (blit already copied the inline data) + +This happens automatically - **you don't need to call any special methods** when returning HeapString or structs containing HeapString from functions. + +### Nested Structs + +When a struct contains members with postblit constructors, D automatically calls postblit on each member - **no explicit postblit is needed** in the containing struct: + +```d +struct ValueEvaluation { + HeapString strValue; // Has postblit + HeapString niceValue; // Has postblit + HeapString fileName; // Has postblit + HeapString prependText; // Has postblit + + // No explicit postblit needed! + // D automatically calls the postblit for each HeapString field + // when ValueEvaluation is blitted +} +``` + +## String Concatenation + +HeapData supports concatenation operators for convenient string building: + +```d +auto hs = toHeapString("hello"); + +// Create new HeapData with combined content +auto result = hs ~ " world"; +assert(result[] == "hello world"); +assert(hs[] == "hello"); // Original unchanged + +// Append in place +hs ~= " world"; +assert(hs[] == "hello world"); + +// Concatenate two HeapData instances +auto a = toHeapString("foo"); +auto b = toHeapString("bar"); +auto c = a ~ b; +assert(c[] == "foobar"); +``` + +## Legacy: incrementRefCount() + +For edge cases, the `incrementRefCount()` method is still available: + +```d +/// Manually increment ref count (for edge cases) +/// Note: Only affects heap-allocated data, not SBO +void incrementRefCount() @trusted @nogc nothrow { + if (isHeap() && _payload.heap) { + _payload.heap.refCount++; + } +} +``` + +In most cases, you should **not need to call this method** - the postblit constructor handles everything automatically. + +## Memory Initialization + +HeapData zero-initializes allocated memory using `memset`. This prevents garbage values in uninitialized struct fields from causing issues: + +```d +static HeapData create(size_t initialCapacity = 0) @trusted @nogc nothrow { + HeapData h; + h._flags = 0; // Ensure flags are initialized + h._length = 0; + + if (initialCapacity > SBO_SIZE) { + h._payload.heap = HeapPayload.create(cap); + h.setHeap(true); + } + // Otherwise uses SBO - no allocation needed + + return h; +} +``` + +## Assignment Operator + +HeapData provides a single assignment operator that handles both lvalue and rvalue assignments efficiently: + +```d +void opAssign(HeapData rhs) @trusted @nogc nothrow { + // Decrement old ref count and free if needed + if (isHeap() && _payload.heap) { + if (--_payload.heap.refCount == 0) { + free(_payload.heap); + } + } + + // Take ownership from rhs (rhs was copied via postblit) + _length = rhs._length; + _flags = rhs._flags; + + if (rhs.isHeap()) { + _payload.heap = rhs._payload.heap; + rhs._payload.heap = null; // Prevent rhs destructor from freeing + rhs.setHeap(false); + } else { + _payload.small = rhs._payload.small; // Copy SBO data + } +} +``` + +When called with an lvalue, D invokes the postblit constructor on `rhs` first, incrementing the ref count. The assignment then takes ownership of the copied reference. This unified approach keeps the code simpler while handling all cases correctly. + +## Accessing HeapString Content + +Use the slice operator `[]` to get a `const(char)[]` from a HeapString: + +```d +HeapString hs = toHeapString("hello"); + +// Get slice for use with string functions +const(char)[] slice = hs[]; + +// Pass to functions expecting const(char)[] +writeln(hs[]); +``` + +## Comparing HeapStrings + +HeapData provides `opEquals` for convenient comparisons without needing the slice operator: + +```d +HeapString hs = toHeapString("hello"); + +// Direct comparison with string literal +if (hs == "hello") { /* ... */ } + +// Comparison with another HeapString +HeapString hs2 = toHeapString("hello"); +if (hs == hs2) { /* ... */ } + +// Negation works too +if (hs != "world") { /* ... */ } +``` + +## Best Practices + +1. **Use slice operator `[]`** to access HeapString content for functions expecting `const(char)[]` +2. **Prefer FixedArray** when the maximum size is known at compile time +3. **Let SBO work for you** - short strings are automatically optimized +4. **Use `isValid()` in debug assertions** to catch memory corruption early + +```d +// Access content with slice operator +HeapString hs = toHeapString("hello"); +writeln(hs[]); // Use [] to get const(char)[] + +// Compare directly (opEquals implemented) +if (hs == "hello") { /* ... */ } + +// Use concatenation for building strings +auto result = toHeapString("Error: ") ~ message ~ " at line " ~ lineNum; + +// Debug validation +assert(hs.isValid(), "HeapString memory corruption detected"); +``` + +### What You Don't Need to Do + +With the current implementation, you **don't need to**: +- Call `incrementRefCount()` before returning structs (postblit handles this) +- Write explicit postblit or copy constructors for structs containing HeapString (D calls nested postblits automatically) +- Write explicit assignment operators for structs containing HeapString (D handles this) +- Worry about heap allocation for short strings (SBO handles this) +- Make two allocations for ref count and data (combined allocation) +- Manually track reference counts when passing structs through containers + +## Debugging Memory Issues + +If you encounter heap corruption or use-after-free: + +1. **Enable debug mode**: Compile with `-version=DebugHeapData` for extra validation +2. **Use `isValid()` checks**: Add assertions to catch corruption early +3. **Check struct literals**: Replace with field-by-field assignment +4. **Verify initialization**: Ensure HeapData is properly initialized before use +5. **Check `refCount()`**: Use the debug method to inspect reference counts (returns 0 for SBO) + +### Debug Mode Features + +When compiled with `-version=DebugHeapData`, HeapData includes: +- Double-free detection (asserts if ref count already zero) +- Corruption detection (asserts if ref count impossibly high) +- Creation tracking for debugging lifecycle issues + +```d +// Enable debug checks +HeapString hs = toHeapString("test"); +assert(hs.isValid(), "HeapString is corrupted"); + +// Check if using heap (refCount > 0) or SBO (refCount == 0) +if (hs.refCount() > 0) { + // Heap allocated +} else { + // Using small buffer optimization +} +``` + +### Common Symptoms + +- Crashes in `malloc`/`free` +- Invalid pointer values like `0x6`, `0xa`, `0xc` +- Double-free errors +- Use-after-free (reading garbage data) +- Assertion failures in debug mode + +## Architecture-Specific Details + +HeapData adapts to different CPU architectures for optimal cache performance: + +| Architecture | Cache Line | SBO Size (chars) | Min Heap Capacity | +|--------------|------------|------------------|-------------------| +| x86-64 | 64 bytes | ~47 | 64 | +| x86 (32-bit) | 64 bytes | ~47 | 64 | +| ARM64 | 128 bytes | ~111 | 128 | +| ARM (32-bit) | 32 bytes | ~15 | 32 | + +## Next Steps + +- Review the [Core Concepts](/guide/core-concepts/) for understanding the evaluation pipeline +- See [Extending](/guide/extending/) for adding custom operations diff --git a/docs/src/content/docs/guide/philosophy.mdx b/docs/src/content/docs/guide/philosophy.mdx new file mode 100644 index 00000000..b34ec898 --- /dev/null +++ b/docs/src/content/docs/guide/philosophy.mdx @@ -0,0 +1,79 @@ +--- +title: Philosophy +description: The 4 Rules of Simple Design and why fluent-asserts exists +--- + +**fluent-asserts** is designed to help you follow the **4 Rules of Simple Design**, a set of principles from Kent Beck that guide us toward clean, maintainable code. + +## The 4 Rules of Simple Design + +### 1. Passes All Tests + +> The code must work correctly + +Good tests are the foundation of reliable software. When a test fails, you need to understand why immediately. fluent-asserts provides clear, detailed failure messages that show exactly what was expected versus what was received, making debugging fast and straightforward. + +```d +// When this fails, you see: +// Expected: "hello" +// Actual: "world" +expect("world").to.equal("hello"); +``` + +### 2. Reveals Intention + +> Code clearly expresses what it does + +This is where fluent-asserts truly shines. Compare these two approaches: + +```d +// Traditional D assert - what does this actually test? +assert(user.age > 18); + +// fluent-asserts - reads like English +expect(user.age).to.be.greaterThan(18); +``` + +The fluent style makes tests self-documenting. New team members can understand what's being tested without additional comments. Your tests become living documentation of your system's expected behavior. + +### 3. No Duplication (DRY) + +> Don't Repeat Yourself + +fluent-asserts gives you reusable assertion operations that work consistently across all types. Instead of writing custom comparison logic for each situation, you use the same expressive API everywhere. You can also create custom operations for domain-specific checks, keeping your test code consistent across the entire codebase. + +```d +// One assertion style for everything +expect(user.name).to.equal("Alice"); +expect(user.age).to.be.greaterThan(18); +expect(user.roles).to.contain("admin"); +expect(user.save()).to.not.throwException; +``` + +### 4. Fewest Elements + +> Minimal code, no unnecessary complexity + +fluent-asserts requires no setup or configuration. A single import gives you access to the entire API, and you can start writing assertions immediately without any boilerplate. + +```d +import fluent.asserts; + +unittest { + // That's it. Start asserting. + expect(42).to.equal(42); +} +``` + +## Why Not Built-in Assert? + +D's built-in `assert` is useful but limited: + +| Feature | `assert` | fluent-asserts | +|---------|----------|----------------| +| Readable syntax | No | Yes | +| Detailed failure messages | No | Yes | +| Type-specific comparisons | No | Yes | +| Exception testing | Manual | Built-in | +| Collection operations | Manual | Built-in | +| Extensible | No | Yes | diff --git a/docs/src/content/docs/guide/statistics.mdx b/docs/src/content/docs/guide/statistics.mdx new file mode 100644 index 00000000..84b6e70f --- /dev/null +++ b/docs/src/content/docs/guide/statistics.mdx @@ -0,0 +1,114 @@ +--- +title: Assertion Statistics +description: Track assertion counts and pass/fail rates in your tests +--- + +fluent-asserts provides built-in statistics tracking for monitoring assertion behavior. This is useful for: + +- Monitoring test health in long-running test suites +- Tracking assertion counts in multi-threaded programs +- Generating test reports with pass/fail metrics +- Debugging test behavior + +## Accessing Statistics + +Statistics are available through the `Lifecycle` singleton: + +```d +import fluentasserts.core.lifecycle : Lifecycle; + +// Run some assertions +expect(1).to.equal(1); +expect("hello").to.contain("ell"); + +// Access statistics +auto stats = Lifecycle.instance.statistics; +writeln("Total assertions: ", stats.totalAssertions); +writeln("Passed: ", stats.passedAssertions); +writeln("Failed: ", stats.failedAssertions); +``` + +## AssertionStatistics Struct + +The `AssertionStatistics` struct contains: + +| Field | Type | Description | +|-------|------|-------------| +| `totalAssertions` | `int` | Total number of assertions executed | +| `passedAssertions` | `int` | Number of assertions that passed | +| `failedAssertions` | `int` | Number of assertions that failed | + +## Resetting Statistics + +You can reset all counters to zero: + +```d +import fluentasserts.core.lifecycle : Lifecycle; + +// Reset all statistics +Lifecycle.instance.resetStatistics(); + +// Or reset directly on the struct +Lifecycle.instance.statistics.reset(); +``` + +This is useful when you want to track statistics for a specific phase of testing. + +## Example: Test Suite Report + +```d +import fluentasserts.core.lifecycle : Lifecycle; +import fluent.asserts; + +void runTestSuite() { + // Reset before running suite + Lifecycle.instance.resetStatistics(); + + // Run tests + runAuthenticationTests(); + runDatabaseTests(); + runApiTests(); + + // Generate report + auto stats = Lifecycle.instance.statistics; + writefln("Test Suite Complete"); + writefln(" Total: %d", stats.totalAssertions); + writefln(" Passed: %d (%.1f%%)", + stats.passedAssertions, + 100.0 * stats.passedAssertions / stats.totalAssertions); + writefln(" Failed: %d", stats.failedAssertions); +} +``` + +## Example: Per-Test Statistics + +```d +import fluentasserts.core.lifecycle : Lifecycle; +import fluent.asserts; + +unittest { + // Save current statistics + auto savedStats = Lifecycle.instance.statistics; + scope(exit) Lifecycle.instance.statistics = savedStats; + + // Reset for this test + Lifecycle.instance.resetStatistics(); + + // Run assertions + expect(computeValue()).to.equal(42); + expect(validateInput("test")).to.equal(true); + + // Verify assertion count + assert(Lifecycle.instance.statistics.totalAssertions == 2); +} +``` + +## Thread Safety + +Statistics are stored in the thread-local `Lifecycle` instance. Each thread maintains its own statistics. If you need aggregate statistics across threads, you'll need to collect and combine them manually. + +## Next Steps + +- Learn about [Configuration](/guide/configuration/) options +- Explore [Recording Evaluations](/guide/introduction/#recording-evaluations) for programmatic assertion inspection +- See [Core Concepts](/guide/core-concepts/) for how the lifecycle works diff --git a/docs/src/content/docs/guide/upgrading-v2.mdx b/docs/src/content/docs/guide/upgrading-v2.mdx new file mode 100644 index 00000000..a1033677 --- /dev/null +++ b/docs/src/content/docs/guide/upgrading-v2.mdx @@ -0,0 +1,202 @@ +--- +title: Upgrading to v2.0.0 +description: A friendly guide to the new features in fluent-asserts 2.0 and how to migrate from v1.x +--- + +## Welcome to fluent-asserts v2.0! + +This release is a major milestone. We have completely rewritten the internal engine to be faster, lighter, and more flexible. While the public API remains largely familiar, the internal architecture has shifted significantly to support `@nogc` and manual memory management. + +This guide covers everything you need to know to upgrade your projects. + +## The Big Architectural Shifts + +Before diving into the code, it helps to understand why things changed. + +### 1. Memory Management Overhaul + +The most significant change in v2 is the move from D's Garbage Collector (GC) to manual memory management. While version 1 relied on the GC for dynamic allocations and assertion strings, version 2 utilizes `HeapString` and `HeapData` with Reference Counting. + +This shift brings several key benefits: + +- **@nogc contexts**: Use fluent-asserts throughout `@nogc` code +- **Performance**: Small Buffer Optimization (SBO) avoids allocations entirely for short strings +- **Lazy parsing**: Source code parsing only happens if an assertion fails, keeping your passing tests fast + +:::note +For most users, this is invisible. If you are extending the library, check out the [Memory Management](/guide/memory-management/) guide. +::: + +### 2. The New Evaluation Pipeline + +We moved from a class-based evaluation system to a lightweight struct-based system. `Evaluation` is now a struct, and results use `AssertResult` instead of the old interface-based system. + +## Breaking Changes + +If you are upgrading an existing codebase, watch out for these structural changes. + +### Module Restructuring + +We cleaned up the module hierarchy to be more logical. + +| Old Location (v1) | New Location (v2) | +|-------------------|-------------------| +| `fluentasserts.core.operations.equal` | `fluentasserts.operations.equality.equal` | +| `fluentasserts.core.operations.contain` | `fluentasserts.operations.string.contain` | +| `fluentasserts.core.operations.greaterThan` | `fluentasserts.operations.comparison.greaterThan` | +| `fluentasserts.core.operations.throwable` | `fluentasserts.operations.exception.throwable` | +| `fluentasserts.core.operations.registry` | `fluentasserts.operations.registry` | + +:::tip +If you import `fluent.asserts` or `fluentasserts.core.base`, you likely don't need to change anything! +::: + +### Serializers + +v2 uses `HeapSerializerRegistry` for `@nogc` compatible serialization. + +## New Features + +### 1. Centralized Configuration + +You now have a unified `FluentAssertsConfig` for both compile-time and runtime settings. + +```d +import fluentasserts.core.config; + +// Compile-time check +static if (fluentAssertsEnabled) { /* ... */ } + +// Runtime configuration +config.output.setFormat(OutputFormat.compact); +``` + +### 2. Output Formats + +Three output formats let you tailor assertion messages for your audience: + +- **Verbose** (default) - Human-friendly format with full context and source snippets +- **TAP** - Universal machine-readable format for CI/CD pipelines and test harnesses +- **Compact** - Token-optimized format for AI coding assistants like Claude Code + +```bash +# Use compact format for AI-assisted development +CLAUDECODE=1 dub test +``` + +See [Configuration](/guide/configuration/) for all the ways to set output formats. + +### 3. Context Data & Formatted Messages + +When debugging loops, you can now add context directly to the assertion chain. + +```d +// Formatted "Because" +foreach (i; 0 .. 100) { + result.should.equal(expected).because("iteration %s", i); +} + +// Key-Value Context +result.should.equal(expected) + .withContext("userId", userId) + .withContext("email", user.email); +``` + +See [Context Data](/guide/context-data/) for more examples. + +### 4. Memory Assertions + +You can strictly test your memory allocation behavior to ensure code uses the GC or remains `@nogc` compliant. + +```d +// Ensure code uses GC +expect({ auto arr = new int[100]; }).to.allocateGCMemory(); + +// Ensure code is @nogc compliant +expect({ int x = 42; }).not.to.allocateGCMemory(); +``` + +See [Memory Assertions](/api/callable/gcMemory/) for platform notes. + +## Migration Guide + +Follow these steps to upgrade your application to v2.0. + +### Step 1: Update Imports + +Most users will not need to take any action. Advanced users who import internal modules will need to update them to the new paths found in the breaking changes section. + +### Step 2: Update Custom Serializers + +If you registered custom serializers in v1, use `HeapSerializerRegistry`: + +```d +HeapSerializerRegistry.instance.register!MyType(&mySerializer); +``` + +### Step 3: Update Custom Operations + +If you wrote custom operations, note that the signature has changed. Operations now modify the `Evaluation` struct directly instead of returning `IResult[]`. + +See [Extending fluent-asserts](/guide/extending/) for the new patterns and examples. + +### Step 4: Verify @nogc + +If you use fluent-asserts in `@nogc` code, it should now work out of the box! Just ensure your custom extensions are also `@nogc` safe. + +## More New Features + +### Assertion Statistics + +Track how many assertions pass and fail across your test suite: + +```d +auto stats = Lifecycle.instance.statistics; +writeln("Passed: ", stats.passedAssertions); +writeln("Failed: ", stats.failedAssertions); +``` + +See [Assertion Statistics](/guide/statistics/) for detailed usage. + +### Recording Evaluations + +Capture assertion results programmatically without throwing: + +```d +auto evaluation = ({ + expect(5).to.equal(10); +}).recordEvaluation; + +// Inspect without failing +assert(evaluation.result.expected[] == "10"); +``` + +See [Recording Evaluations](/guide/introduction/#recording-evaluations) for more details. + +### Release Build Behavior + +Like D's built-in `assert`, fluent-asserts becomes a no-op in release builds for zero runtime overhead. You can override this with version flags. + +See [Release Build Configuration](/guide/configuration/#release-build-configuration) for details. + +## Getting Help + +If you get stuck: + +- Check the [API Reference](/api/) for current method signatures +- Examine the source code in `source/fluentasserts/operations/` for examples +- Open a ticket at [fluent-asserts/issues](https://github.com/gedaiu/fluent-asserts/issues) + +## Learn More + +Explore the documentation to get the most out of fluent-asserts v2: + +- [Installation](/guide/installation/) - Get started with fluent-asserts +- [Assertion Styles](/guide/assertion-styles/) - Learn the fluent API +- [Configuration](/guide/configuration/) - Output formats and build settings +- [Context Data](/guide/context-data/) - Debug assertions in loops +- [Assertion Statistics](/guide/statistics/) - Track pass/fail metrics +- [Memory Management](/guide/memory-management/) - Understand the `@nogc` internals +- [Core Concepts](/guide/core-concepts/) - How the evaluation pipeline works +- [Extending](/guide/extending/) - Create custom operations and serializers +- [API Reference](/api/) - Complete operation reference diff --git a/docs/src/content/docs/index.mdx b/docs/src/content/docs/index.mdx new file mode 100644 index 00000000..c22a7593 --- /dev/null +++ b/docs/src/content/docs/index.mdx @@ -0,0 +1,87 @@ +--- +title: fluent-asserts +description: Fluent assertion framework for the D programming language +template: splash +hero: + tagline: Write readable, expressive tests in D with a fluent API. Current version v1.0.1 + image: + light: ../../assets/logo-icon.svg + dark: ../../assets/logo-icon-light.svg + actions: + - text: Get Started + link: /guide/introduction/ + icon: right-arrow + variant: primary + - text: View on GitHub + link: https://github.com/gedaiu/fluent-asserts + icon: external +--- + +## From This + +```d +assert(user.age > 18); +// Assertion failure: false is not true +``` + +## To This + +```d +expect(user.age).to.be.greaterThan(18); +// ASSERTION FAILED: expect(user.age) should be greater than 18 +// ACTUAL: 16 +// EXPECTED: greater than 18 +``` + +The difference is clarity. When tests fail at 2am, you need to understand why immediately. fluent-asserts gives you assertions that read like sentences and error messages that tell you exactly what went wrong. + +--- + +## The Fluent Chain + +Every assertion flows naturally from value to expectation: + +```d +expect(response.status) // what you're testing + .to.be // optional readability + .greaterOrEqualTo(200);// the assertion +``` + +The language chains (`.to`, `.be`) improve readability—they exist purely so your tests read like documentation. + +--- + +## Beyond Values + +Test behavior, not just data: + +```d +// Memory allocation +expect({ auto arr = new int[1000]; }) + .to.allocateGCMemory(); + +// Exceptions +expect({ parseConfig("invalid"); }) + .to.throwException!ConfigError + .withMessage("Invalid syntax"); + +// Execution time +expect({ complexCalculation(); }) + .to.haveExecutionTime + .lessThan(100.msecs); +``` + +--- + +## Quick Example + +```d +import fluent.asserts; + +unittest { + expect("hello").to.equal("hello"); + expect(42).to.be.greaterThan(10); + expect([1, 2, 3]).to.contain(2); + expect(10).to.not.equal(20); +} +``` diff --git a/docs/src/env.d.ts b/docs/src/env.d.ts new file mode 100644 index 00000000..9bc5cb41 --- /dev/null +++ b/docs/src/env.d.ts @@ -0,0 +1 @@ +/// \ No newline at end of file diff --git a/docs/src/styles/custom.css b/docs/src/styles/custom.css new file mode 100644 index 00000000..a4317ef2 --- /dev/null +++ b/docs/src/styles/custom.css @@ -0,0 +1,663 @@ +/* Custom styles for fluent-asserts documentation */ +/* Clean typography with vintage duotone feel */ + +/* Google Fonts - Space Grotesk for headings, Newsreader for body */ +@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=Newsreader:ital,opsz,wght@0,6..72,400;0,6..72,500;1,6..72,400&display=swap'); + +:root { + /* Duotone palette - soft blacks and creamy whites with green tint */ + --color-ink: #1a2421; /* Soft black with green */ + --color-ink-light: #2d3a35; /* Lighter ink */ + --color-ink-muted: #4a5752; /* Muted text */ + --color-paper: #f4f7f5; /* Creamy white with green tint */ + --color-paper-dark: #e8ece9; /* Slightly darker paper */ + --color-accent: #3D7A5A; /* Logo green - matches gradient start */ + --color-accent-light: #5A9A7A; /* Logo green - matches gradient end */ + + /* Override Starlight colors - replace default blue with our green */ + --sl-color-accent-low: color-mix(in srgb, var(--color-accent) 20%, var(--color-paper)); + --sl-color-accent: var(--color-accent); + --sl-color-accent-high: var(--color-accent-light); + + /* Ensure accent is applied everywhere */ + --sl-hue-accent: 150 !important; + --sl-color-bg-accent: #3D7A5A !important; + --sl-color-text-accent: #3D7A5A !important; + + --sl-color-white: var(--color-paper); + --sl-color-black: var(--color-ink); + + --sl-color-gray-1: var(--color-paper); + --sl-color-gray-2: var(--color-paper-dark); + --sl-color-gray-3: #d4dbd7; + --sl-color-gray-4: #b8c4bc; + --sl-color-gray-5: #8a9990; + --sl-color-gray-6: var(--color-ink-muted); + + /* Base typography */ + --sl-font: 'Newsreader', Georgia, serif; + --sl-font-mono: 'SF Mono', Consolas, 'Liberation Mono', Menlo, monospace; + + /* Text colors */ + --sl-color-text: var(--color-ink); + --sl-color-text-accent: var(--color-accent); +} + +/* Dark mode overrides */ +:root[data-theme='dark'] { + --color-ink: #e4ebe7; /* Soft white with green */ + --color-ink-light: #c8d4cc; /* Lighter text */ + --color-ink-muted: #8a9b90; /* Muted text */ + --color-paper: #0d1210; /* Darker background with green tint */ + --color-paper-dark: #141a17; /* Slightly lighter dark */ + --color-accent: #5A9A7A; /* Logo green - matches dark gradient start */ + --color-accent-light: #7ABFA0; /* Logo green - matches dark gradient end */ + + --sl-color-gray-1: #0d1210; + --sl-color-gray-2: #141a17; + --sl-color-gray-3: #1c2420; + --sl-color-gray-4: #242e29; + --sl-color-gray-5: #3d4e45; + --sl-color-gray-6: #5a6e63; + + --sl-color-white: var(--color-ink); + --sl-color-black: var(--color-paper); + --sl-color-text: var(--color-ink); + + /* Override Starlight accent for dark mode */ + --sl-color-accent-low: color-mix(in srgb, var(--color-accent) 15%, var(--color-paper)); + --sl-color-accent: var(--color-accent); + --sl-color-accent-high: var(--color-accent-light); + --sl-hue-accent: 150 !important; + --sl-color-bg-accent: #5A9A7A !important; + --sl-color-text-accent: #5A9A7A !important; +} + +/* Force accent color on all elements that might use it */ +:root, +:root[data-theme='light'], +:root[data-theme='dark'] { + --sl-color-accent: var(--color-accent) !important; +} + +/* Fix dark mode navigation and sidebar text */ +:root[data-theme='dark'] .sidebar-content a, +:root[data-theme='dark'] .sl-sidebar a, +:root[data-theme='dark'] nav a, +:root[data-theme='dark'] .sidebar-content, +:root[data-theme='dark'] .sl-sidebar, +:root[data-theme='dark'] nav { + color: var(--color-ink) !important; +} + +:root[data-theme='dark'] .sidebar-content a:hover, +:root[data-theme='dark'] .sl-sidebar a:hover, +:root[data-theme='dark'] nav a:hover { + color: var(--color-accent-light) !important; +} + +:root[data-theme='dark'] .sidebar-content a[aria-current="page"], +:root[data-theme='dark'] .sl-sidebar a[aria-current="page"] { + color: var(--color-accent-light) !important; + font-weight: 600 !important; + background: var(--sl-color-gray-3) !important; + border-radius: 4px !important; +} + +/* Right sidebar / table of contents */ +:root[data-theme='dark'] .right-sidebar a[aria-current="true"], +:root[data-theme='dark'] [class*="toc"] a[aria-current="true"], +:root[data-theme='dark'] .right-sidebar a.current, +:root[data-theme='dark'] [class*="toc"] a.current { + color: var(--color-accent-light) !important; + font-weight: 600 !important; +} + +:root[data-theme='dark'] .right-sidebar a, +:root[data-theme='dark'] [class*="toc"] a { + color: var(--color-ink-muted) !important; +} + +:root[data-theme='dark'] .right-sidebar a:hover, +:root[data-theme='dark'] [class*="toc"] a:hover { + color: var(--color-ink) !important; +} + +/* =========================================== + DARK MODE - Comprehensive fixes + =========================================== */ + +/* Header/top bar */ +:root[data-theme='dark'] header, +:root[data-theme='dark'] .header, +:root[data-theme='dark'] [class*="header"] { + background: var(--color-paper) !important; + border-color: var(--sl-color-gray-3) !important; +} + +/* Sidebar background */ +:root[data-theme='dark'] .sidebar, +:root[data-theme='dark'] .sl-sidebar, +:root[data-theme='dark'] aside, +:root[data-theme='dark'] .sidebar-pane { + background: var(--color-paper) !important; +} + +/* Main content area */ +:root[data-theme='dark'] main, +:root[data-theme='dark'] .main-frame, +:root[data-theme='dark'] .content-panel { + background: var(--color-paper) !important; +} + +/* Body background */ +:root[data-theme='dark'] body { + background: var(--color-paper) !important; +} + +/* Pagination / prev-next links */ +:root[data-theme='dark'] .pagination-links, +:root[data-theme='dark'] [class*="pagination"] { + background: transparent !important; +} + +:root[data-theme='dark'] .pagination-links a, +:root[data-theme='dark'] [class*="pagination"] a { + background: var(--sl-color-gray-2) !important; + border: 1px solid var(--sl-color-gray-4) !important; + color: var(--color-ink) !important; +} + +:root[data-theme='dark'] .pagination-links a:hover, +:root[data-theme='dark'] [class*="pagination"] a:hover { + background: var(--sl-color-gray-3) !important; + border-color: var(--color-accent) !important; + color: var(--color-accent-light) !important; +} + +/* Inline code in dark mode */ +:root[data-theme='dark'] .sl-markdown-content code:not(pre code) { + background: var(--sl-color-gray-3) !important; + color: var(--color-ink) !important; + border: 1px solid var(--sl-color-gray-4) !important; +} + +/* Search input */ +:root[data-theme='dark'] input[type="search"], +:root[data-theme='dark'] .search-input, +:root[data-theme='dark'] [class*="search"] input, +:root[data-theme='dark'] .pagefind-ui__search-input { + background: var(--sl-color-gray-2) !important; + color: var(--color-ink) !important; + border: 1px solid var(--sl-color-gray-4) !important; +} + +:root[data-theme='dark'] input[type="search"]::placeholder, +:root[data-theme='dark'] .search-input::placeholder, +:root[data-theme='dark'] [class*="search"] input::placeholder, +:root[data-theme='dark'] .pagefind-ui__search-input::placeholder { + color: var(--color-ink-muted) !important; + opacity: 1 !important; +} + +/* Search label text */ +:root[data-theme='dark'] [class*="search"] label, +:root[data-theme='dark'] [class*="search"] span, +:root[data-theme='dark'] .search-label { + color: var(--color-ink-muted) !important; +} + +/* Starlight search trigger button */ +:root[data-theme='dark'] site-search button, +:root[data-theme='dark'] .search button, +:root[data-theme='dark'] button[data-open-modal] { + background: var(--sl-color-gray-2) !important; + color: var(--color-ink) !important; + border: 1px solid var(--sl-color-gray-4) !important; +} + +:root[data-theme='dark'] site-search button span, +:root[data-theme='dark'] .search button span, +:root[data-theme='dark'] button[data-open-modal] span { + color: var(--color-ink-muted) !important; +} + +:root[data-theme='dark'] site-search button svg, +:root[data-theme='dark'] .search button svg, +:root[data-theme='dark'] button[data-open-modal] svg { + color: var(--color-ink) !important; +} + +:root[data-theme='dark'] input[type="search"]:focus, +:root[data-theme='dark'] .search-input:focus, +:root[data-theme='dark'] [class*="search"] input:focus { + background: var(--sl-color-gray-3) !important; + border-color: var(--color-accent) !important; + outline: none !important; +} + +/* Search button/trigger */ +:root[data-theme='dark'] button[class*="search"], +:root[data-theme='dark'] [class*="search"] button { + background: var(--sl-color-gray-2) !important; + color: var(--color-ink) !important; + border: 1px solid var(--sl-color-gray-4) !important; +} + +:root[data-theme='dark'] button[class*="search"]:hover, +:root[data-theme='dark'] [class*="search"] button:hover { + background: var(--sl-color-gray-3) !important; + border-color: var(--color-accent) !important; +} + +/* Theme toggle button */ +:root[data-theme='dark'] starlight-theme-select, +:root[data-theme='dark'] starlight-theme-select select, +:root[data-theme='dark'] .sl-theme-select, +:root[data-theme='dark'] [data-theme-select], +:root[data-theme='dark'] select[aria-label*="theme" i], +:root[data-theme='dark'] select[aria-label*="Theme" i] { + background: var(--sl-color-gray-2) !important; + color: var(--color-ink) !important; + border: 1px solid var(--sl-color-gray-4) !important; +} + +:root[data-theme='dark'] starlight-theme-select:hover select, +:root[data-theme='dark'] .sl-theme-select:hover, +:root[data-theme='dark'] select[aria-label*="theme" i]:hover { + background: var(--sl-color-gray-3) !important; + border-color: var(--color-accent) !important; +} + +/* Theme select icon */ +:root[data-theme='dark'] starlight-theme-select svg, +:root[data-theme='dark'] .sl-theme-select svg { + color: var(--color-ink) !important; + fill: var(--color-ink) !important; +} + +/* Search modal/dialog */ +:root[data-theme='dark'] dialog, +:root[data-theme='dark'] [role="dialog"], +:root[data-theme='dark'] .modal { + background: var(--color-paper-dark) !important; + border: 1px solid var(--sl-color-gray-4) !important; +} + +/* Search results */ +:root[data-theme='dark'] .pagefind-ui__result, +:root[data-theme='dark'] [class*="search-result"] { + background: var(--sl-color-gray-2) !important; + border-color: var(--sl-color-gray-4) !important; +} + +:root[data-theme='dark'] .pagefind-ui__result:hover, +:root[data-theme='dark'] [class*="search-result"]:hover { + background: var(--sl-color-gray-3) !important; +} + +/* Subtle paper texture overlay - very light grain */ +body::before { + content: ''; + position: fixed; + top: 0; + left: 0; + width: 100%; + height: 100%; + pointer-events: none; + opacity: 0.015; + z-index: 9999; + background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='1.5' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E"); +} + +/* =========================================== + HEADINGS - Space Grotesk (sans-serif) + =========================================== */ + +h1, h2, h3, h4, h5, h6, +.sl-markdown-content h1, +.sl-markdown-content h2, +.sl-markdown-content h3, +.sl-markdown-content h4, +.sl-markdown-content h5 { + font-family: 'Space Grotesk', -apple-system, sans-serif; + font-weight: 600; + letter-spacing: -0.02em; + line-height: 1.2; + color: var(--color-ink); +} + +h1, .sl-markdown-content h1 { + font-weight: 700; + font-size: 2.25rem; + margin-bottom: 1.5rem; +} + +.sl-markdown-content h2 { + font-weight: 600; + font-size: 1.5rem; + margin-top: 3rem; + margin-bottom: 1rem; + padding-bottom: 0.5rem; + border-bottom: 1px solid var(--sl-color-gray-4); +} + +.sl-markdown-content h3 { + font-weight: 600; + font-size: 1.25rem; + margin-top: 2rem; +} + +.sl-markdown-content h4 { + font-weight: 500; + font-size: 1.1rem; + margin-top: 1.5rem; + color: var(--color-ink-light); +} + +/* =========================================== + HERO + =========================================== */ + +.hero h1 { + font-family: 'Space Grotesk', sans-serif; + font-weight: 700; + font-size: 3rem; + letter-spacing: -0.03em; + line-height: 1.1; +} + +.hero .tagline { + font-family: 'Newsreader', Georgia, serif; + font-style: normal; + font-size: 1.2rem; + line-height: 1.6; + color: var(--color-ink-muted); +} + +/* =========================================== + BODY TEXT - Newsreader (serif) + =========================================== */ + +.sl-markdown-content p, +.sl-markdown-content li, +.sl-markdown-content td { + font-family: 'Newsreader', Georgia, serif; + font-weight: 400; + font-size: 1.05rem; + line-height: 1.75; + color: var(--color-ink-light); +} + +.sl-markdown-content blockquote { + font-family: 'Newsreader', Georgia, serif; + font-style: italic; + font-size: 1.1rem; + border-left: 2px solid var(--color-accent); + padding-left: 1.25rem; + margin: 1.5rem 0; + color: var(--color-ink-muted); +} + +/* =========================================== + NAVIGATION + =========================================== */ + +.sidebar-content, +nav, +.pagination-links, +.sl-sidebar, +.site-title { + font-family: 'Space Grotesk', -apple-system, sans-serif; +} + +.site-title { + font-weight: 600; + letter-spacing: -0.01em; +} + +/* =========================================== + TABLE + =========================================== */ + +.sl-markdown-content th { + font-family: 'Space Grotesk', sans-serif; + font-weight: 600; + font-size: 0.9rem; + text-transform: uppercase; + letter-spacing: 0.03em; + color: var(--color-ink-muted); +} + +.sl-markdown-content td { + font-size: 1rem; +} + +/* =========================================== + CODE BLOCKS - Softer colors + =========================================== */ + +.expressive-code { + --ec-codeBg: #1c2420; + --ec-codeFg: #c8d4cc; +} + +:root[data-theme='dark'] .expressive-code { + --ec-codeBg: #0f1412; +} + +/* =========================================== + LAYOUT & ELEMENTS + =========================================== */ + +hr { + border: none; + border-top: 1px solid var(--sl-color-gray-4); + margin: 2.5rem 0; +} + +.sl-markdown-content hr { + margin: 3rem 0; +} + +a:not([class]) { + color: var(--color-accent); + text-decoration-thickness: 1px; + text-underline-offset: 3px; +} + +a:not([class]):hover { + color: var(--color-accent-light); +} + +.sl-markdown-content .card { + background: var(--color-paper-dark); + border: 1px solid var(--sl-color-gray-4); +} + +.hero { + text-align: left; +} + +/* =========================================== + HERO BUTTONS + =========================================== */ + +.hero .sl-flex.actions, +.hero .actions { + display: flex !important; + flex-wrap: wrap; + gap: 1rem; + align-items: center; +} + +.hero .sl-link-button, +.hero a.action, +.hero .action { + font-family: 'Space Grotesk', -apple-system, sans-serif !important; + font-size: 1rem !important; + font-weight: 500 !important; + letter-spacing: -0.01em; + padding: 0.75rem 1.5rem !important; + border-radius: 4px !important; + text-decoration: none !important; + display: inline-flex !important; + align-items: center !important; + justify-content: center !important; + gap: 0.5rem; + line-height: 1.2 !important; + transition: all 0.2s ease; +} + +.hero .sl-link-button.primary, +.hero a.action.primary, +.hero .action.primary { + background: var(--color-accent) !important; + color: var(--color-paper) !important; + border: 2px solid var(--color-accent) !important; +} + +.hero .sl-link-button.primary:hover, +.hero a.action.primary:hover, +.hero .action.primary:hover { + background: var(--color-accent-light) !important; + border-color: var(--color-accent-light) !important; +} + +.hero .sl-link-button:not(.primary), +.hero a.action:not(.primary), +.hero .action:not(.primary) { + background: transparent !important; + color: var(--color-ink) !important; + border: 2px solid var(--color-ink-muted) !important; +} + +.hero .sl-link-button:not(.primary):hover, +.hero a.action:not(.primary):hover, +.hero .action:not(.primary):hover { + border-color: var(--color-accent) !important; + color: var(--color-accent) !important; +} + +/* Dark mode button adjustments */ +:root[data-theme='dark'] .hero .sl-link-button.primary, +:root[data-theme='dark'] .hero a.action.primary, +:root[data-theme='dark'] .hero .action.primary { + background: var(--color-accent) !important; + color: var(--color-paper) !important; +} + +:root[data-theme='dark'] .hero .sl-link-button:not(.primary), +:root[data-theme='dark'] .hero a.action:not(.primary), +:root[data-theme='dark'] .hero .action:not(.primary) { + color: var(--color-ink) !important; + border-color: var(--color-ink-muted) !important; +} + +:root[data-theme='dark'] .hero .sl-link-button:not(.primary):hover, +:root[data-theme='dark'] .hero a.action:not(.primary):hover, +:root[data-theme='dark'] .hero .action:not(.primary):hover { + border-color: var(--color-accent) !important; + color: var(--color-accent) !important; +} + +/* Soften inline code */ +.sl-markdown-content code:not(pre code) { + background: var(--color-paper-dark); + color: var(--color-ink-light); + border: 1px solid var(--sl-color-gray-4); +} + +/* =========================================== + REMOVE ALL SHADOWS + =========================================== */ + +*, +*::before, +*::after { + box-shadow: none !important; + text-shadow: none !important; +} + +/* =========================================== + SEARCH & THEME FIXES (both modes) + =========================================== */ + +/* Search placeholder - force visibility */ +::placeholder { + color: var(--color-ink-muted) !important; + opacity: 1 !important; +} + +/* Theme selector - clean style */ +starlight-theme-select { + border: none !important; + display: inline-flex !important; + align-items: center !important; + gap: 0 !important; +} + +starlight-theme-select svg { + display: none !important; +} + +starlight-theme-select select { + background: transparent !important; + color: var(--color-ink) !important; + border: 1px solid var(--sl-color-gray-4) !important; + border-radius: 4px !important; + padding: 0.25rem 0.5rem !important; + cursor: pointer; +} + +starlight-theme-select select:hover, +starlight-theme-select select:focus { + border-color: var(--color-accent) !important; + outline: none !important; +} + +/* Search button clean style */ +site-search button { + border: 1px solid var(--sl-color-gray-4) !important; + background: transparent !important; +} + +site-search button:hover { + border-color: var(--color-accent) !important; +} + +/* =========================================== + CODE BLOCKS - Muted Green Theme + =========================================== */ + +.expressive-code { + --ec-codeBg: #141a17; + --ec-codeFg: #c8d4cc; + --ec-codeSelBg: #3D7A5A30; + --ec-codePadBlk: 1rem; + --ec-codePadInl: 1rem; + --ec-brdRad: 4px; + --ec-brdCol: #242e29; + --ec-frm-edActTabBg: #1c2420; + --ec-frm-edActTabBrdCol: #242e29; + --ec-frm-edTabBarBg: #141a17; + --ec-frm-edTabBarBrdBtmCol: #242e29; +} + +:root[data-theme='dark'] .expressive-code { + --ec-codeBg: #030404; + --ec-codeFg: #8a9b90; + --ec-frm-edActTabBg: #050606; + --ec-frm-edTabBarBg: #030404; + --ec-frm-trmBg: #020303; + --ec-frm-tooltipBg: #030404; + --ec-frm-inlBtnBg: #050606; + --ec-frm-inlBtnBgHov: #0a0d0b; +} + +/* Force dark background in dark mode */ +:root[data-theme='dark'] .expressive-code pre, +:root[data-theme='dark'] .expressive-code figure, +:root[data-theme='dark'] .expressive-code .frame { + background: #030404 !important; +} diff --git a/docs/tsconfig.json b/docs/tsconfig.json new file mode 100644 index 00000000..bcbf8b50 --- /dev/null +++ b/docs/tsconfig.json @@ -0,0 +1,3 @@ +{ + "extends": "astro/tsconfigs/strict" +} diff --git a/dub.json b/dub.json index a4fe8d1c..ff955e0b 100644 --- a/dub.json +++ b/dub.json @@ -4,13 +4,11 @@ "Szabo Bogdan" ], "description": "Fluent assertions done right", - "copyright": "Copyright © 2023, Szabo Bogdan", + "copyright": "Copyright © 2025, Szabo Bogdan", "license": "MIT", "homepage": "http://fluentasserts.szabobogdan.com/", "dependencies": { "libdparse": "~>0.25.0", - "either": "~>1.1.3", - "ddmp": "~>0.0.1-0.dev.3", "unit-threaded": { "version": "*", "optional": true diff --git a/internals/callable-execution-flow.md b/internals/callable-execution-flow.md new file mode 100644 index 00000000..3c4a7379 --- /dev/null +++ b/internals/callable-execution-flow.md @@ -0,0 +1,112 @@ +# Callable Execution Flow + +This document describes how callables (delegates, lambdas, function pointers) are executed in the fluent-asserts library. + +## Overview + +There are two distinct code paths for handling callables, selected by D's overload resolution: + +1. **Void delegate path** - for `void delegate()` types +2. **Template path** - for callables with return values + +## Code Paths + +### Path 1: Void Delegate (`expect.d:507-530`) + +```d +Expect expect(void delegate() callable, ...) @trusted { + // ... + try { + if (callable !is null) { + callable(); // Direct invocation at line 513 + } + } catch (Exception e) { + value.throwable = e; + } + // ... +} +``` + +**Characteristics:** +- Explicit overload for `void delegate()` +- Calls callable directly +- Captures exceptions/throwables +- No memory tracking + +### Path 2: Template with evaluate() (`expect.d:539-541` + `evaluation.d:196-227`) + +```d +Expect expect(T)(lazy T testedValue, ...) @trusted { + return Expect(testedValue.evaluate(...).evaluation); +} +``` + +The `evaluate()` function in `evaluation.d` handles callables: + +```d +auto evaluate(T)(lazy T testData, ...) @trusted { + // ... + auto value = testData; + + static if (isCallable!T) { + if (value !is null) { + gcMemoryUsed = GC.stats().usedSize; + nonGCMemoryUsed = getNonGCMemory(); + begin = Clock.currTime; + value(); // Invocation at line 214 + nonGCMemoryUsed = getNonGCMemory() - nonGCMemoryUsed; + gcMemoryUsed = GC.stats().usedSize - gcMemoryUsed; + } + } + // ... +} +``` + +**Characteristics:** +- Template-based, works with any callable type +- Routes through `evaluate()` function +- Tracks GC and non-GC memory usage before/after execution +- Tracks execution time +- Captures exceptions/throwables + +## Overload Resolution + +D's overload resolution determines which path is used: + +| Callable Type | Path Used | Memory Tracking | +|--------------|-----------|-----------------| +| `void delegate()` | Path 1 (expect.d:507) | No | +| `() => value` (returns non-void) | Path 2 (evaluate) | Yes | +| `int function()` | Path 2 (evaluate) | Yes | +| Named function returning void | Path 1 (expect.d:507) | No | +| Named function returning value | Path 2 (evaluate) | Yes | + +## Example + +```d +// Path 1: void delegate - no memory tracking +({ doSomething(); }).should.not.throwAnyException(); + +// Path 2: returns value - memory tracking enabled +({ + auto arr = new int[1000]; + return arr.length; +}).should.allocateGCMemory(); +``` + +## Memory Tracking (Path 2 only) + +When a callable goes through the template path, the following metrics are captured in `ValueEvaluation`: + +- `gcMemoryUsed` - bytes allocated via GC during execution +- `nonGCMemoryUsed` - bytes allocated via malloc/non-GC during execution +- `duration` - execution time + +These values are available to operations like `allocateGCMemory` for assertions. + +## File References + +- `source/fluentasserts/core/expect.d:507-530` - void delegate overload +- `source/fluentasserts/core/expect.d:539-541` - template overload +- `source/fluentasserts/core/evaluation.d:196-227` - evaluate() with callable handling +- `source/fluentasserts/core/evaluation.d:209-218` - memory tracking block diff --git a/logo.svg b/logo.svg new file mode 100644 index 00000000..bf26af02 --- /dev/null +++ b/logo.svg @@ -0,0 +1,29 @@ + + + + + + + + + + + + + + fluent-asserts + \ No newline at end of file diff --git a/operation-snapshots-compact.md b/operation-snapshots-compact.md new file mode 100644 index 00000000..cdb4a787 --- /dev/null +++ b/operation-snapshots-compact.md @@ -0,0 +1,377 @@ +# Operation Snapshots (compact) + +This file contains snapshots in compact format (default when CLAUDECODE=1). + +## equal scalar + +### Positive fail + +```d +expect(5).to.equal(3); +``` + +``` +FAIL: 5 should equal 3. | actual=5 expected=3 | source/fluentasserts/operations/snapshot.d:XXX +``` + +### Negated fail + +```d +expect(5).to.not.equal(5); +``` + +``` +FAIL: 5 should not equal 5. | actual=5 expected=not 5 | source/fluentasserts/operations/snapshot.d:XXX +``` + +## equal string + +### Positive fail + +```d +expect("hello").to.equal("world"); +``` + +``` +FAIL: hello should equal world. | actual=hello expected=world | source/fluentasserts/operations/snapshot.d:XXX +``` + +### Negated fail + +```d +expect("hello").to.not.equal("hello"); +``` + +``` +FAIL: hello should not equal hello. | actual=hello expected=not hello | source/fluentasserts/operations/snapshot.d:XXX +``` + +## equal array + +### Positive fail + +```d +expect([1,2,3]).to.equal([1,2,4]); +``` + +``` +FAIL: [1, 2, 3] should equal [1, 2, 4]. | actual=[1, 2, 3] expected=[1, 2, 4] | source/fluentasserts/operations/snapshot.d:XXX +``` + +### Negated fail + +```d +expect([1,2,3]).to.not.equal([1,2,3]); +``` + +``` +FAIL: [1, 2, 3] should not equal [1, 2, 3]. | actual=[1, 2, 3] expected=not [1, 2, 3] | source/fluentasserts/operations/snapshot.d:XXX +``` + +## contain string + +### Positive fail + +```d +expect("hello").to.contain("xyz"); +``` + +``` +FAIL: hello should contain xyz xyz is missing from hello. | actual=hello expected=to contain xyz | source/fluentasserts/operations/snapshot.d:XXX +``` + +### Negated fail + +```d +expect("hello").to.not.contain("ell"); +``` + +``` +FAIL: hello should not contain ell ell is present in hello. | actual=hello expected=not to contain ell | source/fluentasserts/operations/snapshot.d:XXX +``` + +## contain array + +### Positive fail + +```d +expect([1,2,3]).to.contain(5); +``` + +``` +FAIL: [1, 2, 3] should contain 5. 5 is missing from [1, 2, 3]. | actual=[1, 2, 3] expected=to contain 5 | source/fluentasserts/operations/snapshot.d:XXX +``` + +### Negated fail + +```d +expect([1,2,3]).to.not.contain(2); +``` + +``` +FAIL: [1, 2, 3] should not contain 2. 2 is present in [1, 2, 3]. | actual=[1, 2, 3] expected=not to contain 2 | source/fluentasserts/operations/snapshot.d:XXX +``` + +## containOnly + +### Positive fail + +```d +expect([1,2,3]).to.containOnly([1,2]); +``` + +``` +FAIL: [1, 2, 3] should contain only [1, 2]. | actual=[1, 2, 3] expected=to contain only [1, 2] | source/fluentasserts/operations/snapshot.d:XXX +``` + +### Negated fail + +```d +expect([1,2,3]).to.not.containOnly([1,2,3]); +``` + +``` +FAIL: [1, 2, 3] should not contain only [1, 2, 3]. | actual=[1, 2, 3] expected=not to contain only [1, 2, 3] | source/fluentasserts/operations/snapshot.d:XXX +``` + +## startWith + +### Positive fail + +```d +expect("hello").to.startWith("xyz"); +``` + +``` +FAIL: hello should start with xyz hello does not starts with xyz. | actual=hello expected=to start with xyz | source/fluentasserts/operations/snapshot.d:XXX +``` + +### Negated fail + +```d +expect("hello").to.not.startWith("hel"); +``` + +``` +FAIL: hello should not start with hel hello starts with hel. | actual=hello expected=not to start with hel | source/fluentasserts/operations/snapshot.d:XXX +``` + +## endWith + +### Positive fail + +```d +expect("hello").to.endWith("xyz"); +``` + +``` +FAIL: hello should end with xyz hello does not ends with xyz. | actual=hello expected=to end with xyz | source/fluentasserts/operations/snapshot.d:XXX +``` + +### Negated fail + +```d +expect("hello").to.not.endWith("llo"); +``` + +``` +FAIL: hello should not end with llo hello ends with llo. | actual=hello expected=not to end with llo | source/fluentasserts/operations/snapshot.d:XXX +``` + +## approximately scalar + +### Positive fail + +```d +expect(0.5).to.be.approximately(0.3, 0.1); +``` + +``` +FAIL: 0.5 should be approximately 0.3±0.1 0.5 is not approximately 0.3±0.1. | actual=0.5 expected=0.3±0.1 | source/fluentasserts/operations/snapshot.d:XXX +``` + +### Negated fail + +```d +expect(0.351).to.not.be.approximately(0.35, 0.01); +``` + +``` +FAIL: 0.351 should not be approximately 0.35±0.01 0.351 is approximately 0.35±0.01. | actual=0.351 expected=0.35±0.01 | source/fluentasserts/operations/snapshot.d:XXX +``` + +## approximately array + +### Positive fail + +```d +expect([0.5]).to.be.approximately([0.3], 0.1); +``` + +``` +FAIL: [0.5] should be approximately [0.3]±0.1. | actual=[0.5] expected=[0.3±0.1] | source/fluentasserts/operations/snapshot.d:XXX +``` + +### Negated fail + +```d +expect([0.35]).to.not.be.approximately([0.35], 0.01); +``` + +``` +FAIL: [0.35] should not be approximately [0.35]±0.01. | actual=[0.35] expected=[0.35±0.01] | source/fluentasserts/operations/snapshot.d:XXX +``` + +## greaterThan + +### Positive fail + +```d +expect(3).to.be.greaterThan(5); +``` + +``` +FAIL: 3 should be greater than 5. | actual=3 expected=greater than 5 | source/fluentasserts/operations/snapshot.d:XXX +``` + +### Negated fail + +```d +expect(5).to.not.be.greaterThan(3); +``` + +``` +FAIL: 5 should not be greater than 3. | actual=5 expected=less than or equal to 3 | source/fluentasserts/operations/snapshot.d:XXX +``` + +## lessThan + +### Positive fail + +```d +expect(5).to.be.lessThan(3); +``` + +``` +FAIL: 5 should be less than 3. | actual=5 expected=less than 3 | source/fluentasserts/operations/snapshot.d:XXX +``` + +### Negated fail + +```d +expect(3).to.not.be.lessThan(5); +``` + +``` +FAIL: 3 should not be less than 5. | actual=3 expected=greater than or equal to 5 | source/fluentasserts/operations/snapshot.d:XXX +``` + +## between + +### Positive fail + +```d +expect(10).to.be.between(1, 5); +``` + +``` +FAIL: 10 should be between 1 and 510 is greater than or equal to 5. | actual=10 expected=a value inside (1, 5) interval | source/fluentasserts/operations/snapshot.d:XXX +``` + +### Negated fail + +```d +expect(3).to.not.be.between(1, 5); +``` + +``` +FAIL: 3 should not be between 1 and 5. | actual=3 expected=a value outside (1, 5) interval | source/fluentasserts/operations/snapshot.d:XXX +``` + +## greaterOrEqualTo + +### Positive fail + +```d +expect(3).to.be.greaterOrEqualTo(5); +``` + +``` +FAIL: 3 should be greater or equal to 5. | actual=3 expected=greater or equal than 5 | source/fluentasserts/operations/snapshot.d:XXX +``` + +### Negated fail + +```d +expect(5).to.not.be.greaterOrEqualTo(3); +``` + +``` +FAIL: 5 should not be greater or equal to 3. | actual=5 expected=less than 3 | source/fluentasserts/operations/snapshot.d:XXX +``` + +## lessOrEqualTo + +### Positive fail + +```d +expect(5).to.be.lessOrEqualTo(3); +``` + +``` +FAIL: 5 should be less or equal to 3. | actual=5 expected=less or equal to 3 | source/fluentasserts/operations/snapshot.d:XXX +``` + +### Negated fail + +```d +expect(3).to.not.be.lessOrEqualTo(5); +``` + +``` +FAIL: 3 should not be less or equal to 5. | actual=3 expected=greater than 5 | source/fluentasserts/operations/snapshot.d:XXX +``` + +## instanceOf + +### Positive fail + +```d +expect(new Object()).to.be.instanceOf!Exception; +``` + +``` +FAIL: Object(XXX) should be instance of "object.Exception". Object(XXX) is instance of object.Object. | actual=typeof object.Object expected=typeof object.Exception | source/fluentasserts/operations/snapshot.d:XXX +``` + +### Negated fail + +```d +expect(new Exception("test")).to.not.be.instanceOf!Object; +``` + +``` +FAIL: Exception(XXX) should not be instance of "object.Object". Exception(XXX) is instance of object.Exception. | actual=typeof object.Exception expected=not typeof object.Object | source/fluentasserts/operations/snapshot.d:XXX +``` + +## beNull + +### Positive fail + +```d +expect(new Object()).to.beNull; +``` + +``` +FAIL: Object(XXX) should be null. | actual=object.Object expected=null | source/fluentasserts/operations/snapshot.d:XXX +``` + +### Negated fail + +```d +expect(null).to.not.beNull; +``` + +``` +FAIL: should not be null. | actual=null expected=not null | source/fluentasserts/operations/snapshot.d:XXX +``` diff --git a/operation-snapshots-tap.md b/operation-snapshots-tap.md new file mode 100644 index 00000000..07ecc57e --- /dev/null +++ b/operation-snapshots-tap.md @@ -0,0 +1,547 @@ +# Operation Snapshots (tap) + +This file contains snapshots in TAP (Test Anything Protocol) format. + +## equal scalar + +### Positive fail + +```d +expect(5).to.equal(3); +``` + +``` +not ok - 5 should equal 3. + --- + actual: 5 + expected: 3 + at: source/fluentasserts/operations/snapshot.d:XXX + ... +``` + +### Negated fail + +```d +expect(5).to.not.equal(5); +``` + +``` +not ok - 5 should not equal 5. + --- + actual: 5 + expected: not 5 + at: source/fluentasserts/operations/snapshot.d:XXX + ... +``` + +## equal string + +### Positive fail + +```d +expect("hello").to.equal("world"); +``` + +``` +not ok - hello should equal world. + --- + actual: hello + expected: world + at: source/fluentasserts/operations/snapshot.d:XXX + ... +``` + +### Negated fail + +```d +expect("hello").to.not.equal("hello"); +``` + +``` +not ok - hello should not equal hello. + --- + actual: hello + expected: not hello + at: source/fluentasserts/operations/snapshot.d:XXX + ... +``` + +## equal array + +### Positive fail + +```d +expect([1,2,3]).to.equal([1,2,4]); +``` + +``` +not ok - [1, 2, 3] should equal [1, 2, 4]. + --- + actual: [1, 2, 3] + expected: [1, 2, 4] + at: source/fluentasserts/operations/snapshot.d:XXX + ... +``` + +### Negated fail + +```d +expect([1,2,3]).to.not.equal([1,2,3]); +``` + +``` +not ok - [1, 2, 3] should not equal [1, 2, 3]. + --- + actual: [1, 2, 3] + expected: not [1, 2, 3] + at: source/fluentasserts/operations/snapshot.d:XXX + ... +``` + +## contain string + +### Positive fail + +```d +expect("hello").to.contain("xyz"); +``` + +``` +not ok - hello should contain xyz xyz is missing from hello. + --- + actual: hello + expected: to contain xyz + at: source/fluentasserts/operations/snapshot.d:XXX + ... +``` + +### Negated fail + +```d +expect("hello").to.not.contain("ell"); +``` + +``` +not ok - hello should not contain ell ell is present in hello. + --- + actual: hello + expected: not to contain ell + at: source/fluentasserts/operations/snapshot.d:XXX + ... +``` + +## contain array + +### Positive fail + +```d +expect([1,2,3]).to.contain(5); +``` + +``` +not ok - [1, 2, 3] should contain 5. 5 is missing from [1, 2, 3]. + --- + actual: [1, 2, 3] + expected: to contain 5 + at: source/fluentasserts/operations/snapshot.d:XXX + ... +``` + +### Negated fail + +```d +expect([1,2,3]).to.not.contain(2); +``` + +``` +not ok - [1, 2, 3] should not contain 2. 2 is present in [1, 2, 3]. + --- + actual: [1, 2, 3] + expected: not to contain 2 + at: source/fluentasserts/operations/snapshot.d:XXX + ... +``` + +## containOnly + +### Positive fail + +```d +expect([1,2,3]).to.containOnly([1,2]); +``` + +``` +not ok - [1, 2, 3] should contain only [1, 2]. + --- + actual: [1, 2, 3] + expected: to contain only [1, 2] + at: source/fluentasserts/operations/snapshot.d:XXX + ... +``` + +### Negated fail + +```d +expect([1,2,3]).to.not.containOnly([1,2,3]); +``` + +``` +not ok - [1, 2, 3] should not contain only [1, 2, 3]. + --- + actual: [1, 2, 3] + expected: not to contain only [1, 2, 3] + at: source/fluentasserts/operations/snapshot.d:XXX + ... +``` + +## startWith + +### Positive fail + +```d +expect("hello").to.startWith("xyz"); +``` + +``` +not ok - hello should start with xyz hello does not starts with xyz. + --- + actual: hello + expected: to start with xyz + at: source/fluentasserts/operations/snapshot.d:XXX + ... +``` + +### Negated fail + +```d +expect("hello").to.not.startWith("hel"); +``` + +``` +not ok - hello should not start with hel hello starts with hel. + --- + actual: hello + expected: not to start with hel + at: source/fluentasserts/operations/snapshot.d:XXX + ... +``` + +## endWith + +### Positive fail + +```d +expect("hello").to.endWith("xyz"); +``` + +``` +not ok - hello should end with xyz hello does not ends with xyz. + --- + actual: hello + expected: to end with xyz + at: source/fluentasserts/operations/snapshot.d:XXX + ... +``` + +### Negated fail + +```d +expect("hello").to.not.endWith("llo"); +``` + +``` +not ok - hello should not end with llo hello ends with llo. + --- + actual: hello + expected: not to end with llo + at: source/fluentasserts/operations/snapshot.d:XXX + ... +``` + +## approximately scalar + +### Positive fail + +```d +expect(0.5).to.be.approximately(0.3, 0.1); +``` + +``` +not ok - 0.5 should be approximately 0.3±0.1 0.5 is not approximately 0.3±0.1. + --- + actual: 0.5 + expected: 0.3±0.1 + at: source/fluentasserts/operations/snapshot.d:XXX + ... +``` + +### Negated fail + +```d +expect(0.351).to.not.be.approximately(0.35, 0.01); +``` + +``` +not ok - 0.351 should not be approximately 0.35±0.01 0.351 is approximately 0.35±0.01. + --- + actual: 0.351 + expected: 0.35±0.01 + at: source/fluentasserts/operations/snapshot.d:XXX + ... +``` + +## approximately array + +### Positive fail + +```d +expect([0.5]).to.be.approximately([0.3], 0.1); +``` + +``` +not ok - [0.5] should be approximately [0.3]±0.1. + --- + actual: [0.5] + expected: [0.3±0.1] + at: source/fluentasserts/operations/snapshot.d:XXX + ... +``` + +### Negated fail + +```d +expect([0.35]).to.not.be.approximately([0.35], 0.01); +``` + +``` +not ok - [0.35] should not be approximately [0.35]±0.01. + --- + actual: [0.35] + expected: [0.35±0.01] + at: source/fluentasserts/operations/snapshot.d:XXX + ... +``` + +## greaterThan + +### Positive fail + +```d +expect(3).to.be.greaterThan(5); +``` + +``` +not ok - 3 should be greater than 5. + --- + actual: 3 + expected: greater than 5 + at: source/fluentasserts/operations/snapshot.d:XXX + ... +``` + +### Negated fail + +```d +expect(5).to.not.be.greaterThan(3); +``` + +``` +not ok - 5 should not be greater than 3. + --- + actual: 5 + expected: less than or equal to 3 + at: source/fluentasserts/operations/snapshot.d:XXX + ... +``` + +## lessThan + +### Positive fail + +```d +expect(5).to.be.lessThan(3); +``` + +``` +not ok - 5 should be less than 3. + --- + actual: 5 + expected: less than 3 + at: source/fluentasserts/operations/snapshot.d:XXX + ... +``` + +### Negated fail + +```d +expect(3).to.not.be.lessThan(5); +``` + +``` +not ok - 3 should not be less than 5. + --- + actual: 3 + expected: greater than or equal to 5 + at: source/fluentasserts/operations/snapshot.d:XXX + ... +``` + +## between + +### Positive fail + +```d +expect(10).to.be.between(1, 5); +``` + +``` +not ok - 10 should be between 1 and 510 is greater than or equal to 5. + --- + actual: 10 + expected: a value inside (1, 5) interval + at: source/fluentasserts/operations/snapshot.d:XXX + ... +``` + +### Negated fail + +```d +expect(3).to.not.be.between(1, 5); +``` + +``` +not ok - 3 should not be between 1 and 5. + --- + actual: 3 + expected: a value outside (1, 5) interval + at: source/fluentasserts/operations/snapshot.d:XXX + ... +``` + +## greaterOrEqualTo + +### Positive fail + +```d +expect(3).to.be.greaterOrEqualTo(5); +``` + +``` +not ok - 3 should be greater or equal to 5. + --- + actual: 3 + expected: greater or equal than 5 + at: source/fluentasserts/operations/snapshot.d:XXX + ... +``` + +### Negated fail + +```d +expect(5).to.not.be.greaterOrEqualTo(3); +``` + +``` +not ok - 5 should not be greater or equal to 3. + --- + actual: 5 + expected: less than 3 + at: source/fluentasserts/operations/snapshot.d:XXX + ... +``` + +## lessOrEqualTo + +### Positive fail + +```d +expect(5).to.be.lessOrEqualTo(3); +``` + +``` +not ok - 5 should be less or equal to 3. + --- + actual: 5 + expected: less or equal to 3 + at: source/fluentasserts/operations/snapshot.d:XXX + ... +``` + +### Negated fail + +```d +expect(3).to.not.be.lessOrEqualTo(5); +``` + +``` +not ok - 3 should not be less or equal to 5. + --- + actual: 3 + expected: greater than 5 + at: source/fluentasserts/operations/snapshot.d:XXX + ... +``` + +## instanceOf + +### Positive fail + +```d +expect(new Object()).to.be.instanceOf!Exception; +``` + +``` +not ok - Object(XXX) should be instance of "object.Exception". Object(XXX) is instance of object.Object. + --- + actual: typeof object.Object + expected: typeof object.Exception + at: source/fluentasserts/operations/snapshot.d:XXX + ... +``` + +### Negated fail + +```d +expect(new Exception("test")).to.not.be.instanceOf!Object; +``` + +``` +not ok - Exception(XXX) should not be instance of "object.Object". Exception(XXX) is instance of object.Exception. + --- + actual: typeof object.Exception + expected: not typeof object.Object + at: source/fluentasserts/operations/snapshot.d:XXX + ... +``` + +## beNull + +### Positive fail + +```d +expect(new Object()).to.beNull; +``` + +``` +not ok - Object(XXX) should be null. + --- + actual: object.Object + expected: null + at: source/fluentasserts/operations/snapshot.d:XXX + ... +``` + +### Negated fail + +```d +expect(null).to.not.beNull; +``` + +``` +not ok - should not be null. + --- + actual: null + expected: not null + at: source/fluentasserts/operations/snapshot.d:XXX + ... +``` diff --git a/operation-snapshots.md b/operation-snapshots.md new file mode 100644 index 00000000..bcba91a2 --- /dev/null +++ b/operation-snapshots.md @@ -0,0 +1,819 @@ +# Operation Snapshots + +This file contains snapshots of all assertion operations with both positive and negated failure variants. + +## equal scalar + +### Positive fail + +```d +expect(5).to.equal(3); +``` + +``` +ASSERTION FAILED: 5 should equal 3. +OPERATION: equal + + ACTUAL: 5 +EXPECTED: 3 + +source/fluentasserts/operations/snapshot.d:XXX + 211:} + 212: + 213:/// Helper to run a positive test and return output string. + 214:string runPosAndGetOutput(string code)() { +> 215: mixin("auto eval = recordEvaluation({ " ~ code ~ "; });"); + 216: return normalizeSnapshot(eval.toString()); + 217:} +``` + +### Negated fail + +```d +expect(5).to.not.equal(5); +``` + +``` +ASSERTION FAILED: 5 should not equal 5. +OPERATION: not equal + + ACTUAL: 5 +EXPECTED: not 5 + +source/fluentasserts/operations/snapshot.d:XXX + 217:} + 218: + 219:/// Helper to run a negated test and return output string. + 220:string runNegAndGetOutput(string code)() { +> 221: mixin("auto eval = recordEvaluation({ " ~ code ~ "; });"); + 222: return normalizeSnapshot(eval.toString()); + 223:} +``` + +## equal string + +### Positive fail + +```d +expect("hello").to.equal("world"); +``` + +``` +ASSERTION FAILED: hello should equal world. +OPERATION: equal + + ACTUAL: hello +EXPECTED: world + +source/fluentasserts/operations/snapshot.d:XXX + 211:} + 212: + 213:/// Helper to run a positive test and return output string. + 214:string runPosAndGetOutput(string code)() { +> 215: mixin("auto eval = recordEvaluation({ " ~ code ~ "; });"); + 216: return normalizeSnapshot(eval.toString()); + 217:} +``` + +### Negated fail + +```d +expect("hello").to.not.equal("hello"); +``` + +``` +ASSERTION FAILED: hello should not equal hello. +OPERATION: not equal + + ACTUAL: hello +EXPECTED: not hello + +source/fluentasserts/operations/snapshot.d:XXX + 217:} + 218: + 219:/// Helper to run a negated test and return output string. + 220:string runNegAndGetOutput(string code)() { +> 221: mixin("auto eval = recordEvaluation({ " ~ code ~ "; });"); + 222: return normalizeSnapshot(eval.toString()); + 223:} +``` + +## equal array + +### Positive fail + +```d +expect([1,2,3]).to.equal([1,2,4]); +``` + +``` +ASSERTION FAILED: [1, 2, 3] should equal [1, 2, 4]. +OPERATION: equal + + ACTUAL: [1, 2, 3] +EXPECTED: [1, 2, 4] + +source/fluentasserts/operations/snapshot.d:XXX + 211:} + 212: + 213:/// Helper to run a positive test and return output string. + 214:string runPosAndGetOutput(string code)() { +> 215: mixin("auto eval = recordEvaluation({ " ~ code ~ "; });"); + 216: return normalizeSnapshot(eval.toString()); + 217:} +``` + +### Negated fail + +```d +expect([1,2,3]).to.not.equal([1,2,3]); +``` + +``` +ASSERTION FAILED: [1, 2, 3] should not equal [1, 2, 3]. +OPERATION: not equal + + ACTUAL: [1, 2, 3] +EXPECTED: not [1, 2, 3] + +source/fluentasserts/operations/snapshot.d:XXX + 217:} + 218: + 219:/// Helper to run a negated test and return output string. + 220:string runNegAndGetOutput(string code)() { +> 221: mixin("auto eval = recordEvaluation({ " ~ code ~ "; });"); + 222: return normalizeSnapshot(eval.toString()); + 223:} +``` + +## contain string + +### Positive fail + +```d +expect("hello").to.contain("xyz"); +``` + +``` +ASSERTION FAILED: hello should contain xyz xyz is missing from hello. +OPERATION: contain + + ACTUAL: hello +EXPECTED: to contain xyz + +source/fluentasserts/operations/snapshot.d:XXX + 211:} + 212: + 213:/// Helper to run a positive test and return output string. + 214:string runPosAndGetOutput(string code)() { +> 215: mixin("auto eval = recordEvaluation({ " ~ code ~ "; });"); + 216: return normalizeSnapshot(eval.toString()); + 217:} +``` + +### Negated fail + +```d +expect("hello").to.not.contain("ell"); +``` + +``` +ASSERTION FAILED: hello should not contain ell ell is present in hello. +OPERATION: not contain + + ACTUAL: hello +EXPECTED: not to contain ell + +source/fluentasserts/operations/snapshot.d:XXX + 217:} + 218: + 219:/// Helper to run a negated test and return output string. + 220:string runNegAndGetOutput(string code)() { +> 221: mixin("auto eval = recordEvaluation({ " ~ code ~ "; });"); + 222: return normalizeSnapshot(eval.toString()); + 223:} +``` + +## contain array + +### Positive fail + +```d +expect([1,2,3]).to.contain(5); +``` + +``` +ASSERTION FAILED: [1, 2, 3] should contain 5. 5 is missing from [1, 2, 3]. +OPERATION: contain + + ACTUAL: [1, 2, 3] +EXPECTED: to contain 5 + +source/fluentasserts/operations/snapshot.d:XXX + 211:} + 212: + 213:/// Helper to run a positive test and return output string. + 214:string runPosAndGetOutput(string code)() { +> 215: mixin("auto eval = recordEvaluation({ " ~ code ~ "; });"); + 216: return normalizeSnapshot(eval.toString()); + 217:} +``` + +### Negated fail + +```d +expect([1,2,3]).to.not.contain(2); +``` + +``` +ASSERTION FAILED: [1, 2, 3] should not contain 2. 2 is present in [1, 2, 3]. +OPERATION: not contain + + ACTUAL: [1, 2, 3] +EXPECTED: not to contain 2 + +source/fluentasserts/operations/snapshot.d:XXX + 217:} + 218: + 219:/// Helper to run a negated test and return output string. + 220:string runNegAndGetOutput(string code)() { +> 221: mixin("auto eval = recordEvaluation({ " ~ code ~ "; });"); + 222: return normalizeSnapshot(eval.toString()); + 223:} +``` + +## containOnly + +### Positive fail + +```d +expect([1,2,3]).to.containOnly([1,2]); +``` + +``` +ASSERTION FAILED: [1, 2, 3] should contain only [1, 2]. +OPERATION: containOnly + + ACTUAL: [1, 2, 3] +EXPECTED: to contain only [1, 2] + +source/fluentasserts/operations/snapshot.d:XXX + 211:} + 212: + 213:/// Helper to run a positive test and return output string. + 214:string runPosAndGetOutput(string code)() { +> 215: mixin("auto eval = recordEvaluation({ " ~ code ~ "; });"); + 216: return normalizeSnapshot(eval.toString()); + 217:} +``` + +### Negated fail + +```d +expect([1,2,3]).to.not.containOnly([1,2,3]); +``` + +``` +ASSERTION FAILED: [1, 2, 3] should not contain only [1, 2, 3]. +OPERATION: not containOnly + + ACTUAL: [1, 2, 3] +EXPECTED: not to contain only [1, 2, 3] + +source/fluentasserts/operations/snapshot.d:XXX + 217:} + 218: + 219:/// Helper to run a negated test and return output string. + 220:string runNegAndGetOutput(string code)() { +> 221: mixin("auto eval = recordEvaluation({ " ~ code ~ "; });"); + 222: return normalizeSnapshot(eval.toString()); + 223:} +``` + +## startWith + +### Positive fail + +```d +expect("hello").to.startWith("xyz"); +``` + +``` +ASSERTION FAILED: hello should start with xyz hello does not starts with xyz. +OPERATION: startWith + + ACTUAL: hello +EXPECTED: to start with xyz + +source/fluentasserts/operations/snapshot.d:XXX + 211:} + 212: + 213:/// Helper to run a positive test and return output string. + 214:string runPosAndGetOutput(string code)() { +> 215: mixin("auto eval = recordEvaluation({ " ~ code ~ "; });"); + 216: return normalizeSnapshot(eval.toString()); + 217:} +``` + +### Negated fail + +```d +expect("hello").to.not.startWith("hel"); +``` + +``` +ASSERTION FAILED: hello should not start with hel hello starts with hel. +OPERATION: not startWith + + ACTUAL: hello +EXPECTED: not to start with hel + +source/fluentasserts/operations/snapshot.d:XXX + 217:} + 218: + 219:/// Helper to run a negated test and return output string. + 220:string runNegAndGetOutput(string code)() { +> 221: mixin("auto eval = recordEvaluation({ " ~ code ~ "; });"); + 222: return normalizeSnapshot(eval.toString()); + 223:} +``` + +## endWith + +### Positive fail + +```d +expect("hello").to.endWith("xyz"); +``` + +``` +ASSERTION FAILED: hello should end with xyz hello does not ends with xyz. +OPERATION: endWith + + ACTUAL: hello +EXPECTED: to end with xyz + +source/fluentasserts/operations/snapshot.d:XXX + 211:} + 212: + 213:/// Helper to run a positive test and return output string. + 214:string runPosAndGetOutput(string code)() { +> 215: mixin("auto eval = recordEvaluation({ " ~ code ~ "; });"); + 216: return normalizeSnapshot(eval.toString()); + 217:} +``` + +### Negated fail + +```d +expect("hello").to.not.endWith("llo"); +``` + +``` +ASSERTION FAILED: hello should not end with llo hello ends with llo. +OPERATION: not endWith + + ACTUAL: hello +EXPECTED: not to end with llo + +source/fluentasserts/operations/snapshot.d:XXX + 217:} + 218: + 219:/// Helper to run a negated test and return output string. + 220:string runNegAndGetOutput(string code)() { +> 221: mixin("auto eval = recordEvaluation({ " ~ code ~ "; });"); + 222: return normalizeSnapshot(eval.toString()); + 223:} +``` + +## approximately scalar + +### Positive fail + +```d +expect(0.5).to.be.approximately(0.3, 0.1); +``` + +``` +ASSERTION FAILED: 0.5 should be approximately 0.3±0.1 0.5 is not approximately 0.3±0.1. +OPERATION: approximately + + ACTUAL: 0.5 +EXPECTED: 0.3±0.1 + +source/fluentasserts/operations/snapshot.d:XXX + 211:} + 212: + 213:/// Helper to run a positive test and return output string. + 214:string runPosAndGetOutput(string code)() { +> 215: mixin("auto eval = recordEvaluation({ " ~ code ~ "; });"); + 216: return normalizeSnapshot(eval.toString()); + 217:} +``` + +### Negated fail + +```d +expect(0.351).to.not.be.approximately(0.35, 0.01); +``` + +``` +ASSERTION FAILED: 0.351 should not be approximately 0.35±0.01 0.351 is approximately 0.35±0.01. +OPERATION: not approximately + + ACTUAL: 0.351 +EXPECTED: 0.35±0.01 + +source/fluentasserts/operations/snapshot.d:XXX + 217:} + 218: + 219:/// Helper to run a negated test and return output string. + 220:string runNegAndGetOutput(string code)() { +> 221: mixin("auto eval = recordEvaluation({ " ~ code ~ "; });"); + 222: return normalizeSnapshot(eval.toString()); + 223:} +``` + +## approximately array + +### Positive fail + +```d +expect([0.5]).to.be.approximately([0.3], 0.1); +``` + +``` +ASSERTION FAILED: [0.5] should be approximately [0.3]±0.1. +OPERATION: approximately + + ACTUAL: [0.5] +EXPECTED: [0.3±0.1] + +source/fluentasserts/operations/snapshot.d:XXX + 211:} + 212: + 213:/// Helper to run a positive test and return output string. + 214:string runPosAndGetOutput(string code)() { +> 215: mixin("auto eval = recordEvaluation({ " ~ code ~ "; });"); + 216: return normalizeSnapshot(eval.toString()); + 217:} +``` + +### Negated fail + +```d +expect([0.35]).to.not.be.approximately([0.35], 0.01); +``` + +``` +ASSERTION FAILED: [0.35] should not be approximately [0.35]±0.01. +OPERATION: not approximately + + ACTUAL: [0.35] +EXPECTED: [0.35±0.01] + +source/fluentasserts/operations/snapshot.d:XXX + 217:} + 218: + 219:/// Helper to run a negated test and return output string. + 220:string runNegAndGetOutput(string code)() { +> 221: mixin("auto eval = recordEvaluation({ " ~ code ~ "; });"); + 222: return normalizeSnapshot(eval.toString()); + 223:} +``` + +## greaterThan + +### Positive fail + +```d +expect(3).to.be.greaterThan(5); +``` + +``` +ASSERTION FAILED: 3 should be greater than 5. +OPERATION: greaterThan + + ACTUAL: 3 +EXPECTED: greater than 5 + +source/fluentasserts/operations/snapshot.d:XXX + 211:} + 212: + 213:/// Helper to run a positive test and return output string. + 214:string runPosAndGetOutput(string code)() { +> 215: mixin("auto eval = recordEvaluation({ " ~ code ~ "; });"); + 216: return normalizeSnapshot(eval.toString()); + 217:} +``` + +### Negated fail + +```d +expect(5).to.not.be.greaterThan(3); +``` + +``` +ASSERTION FAILED: 5 should not be greater than 3. +OPERATION: not greaterThan + + ACTUAL: 5 +EXPECTED: less than or equal to 3 + +source/fluentasserts/operations/snapshot.d:XXX + 217:} + 218: + 219:/// Helper to run a negated test and return output string. + 220:string runNegAndGetOutput(string code)() { +> 221: mixin("auto eval = recordEvaluation({ " ~ code ~ "; });"); + 222: return normalizeSnapshot(eval.toString()); + 223:} +``` + +## lessThan + +### Positive fail + +```d +expect(5).to.be.lessThan(3); +``` + +``` +ASSERTION FAILED: 5 should be less than 3. +OPERATION: lessThan + + ACTUAL: 5 +EXPECTED: less than 3 + +source/fluentasserts/operations/snapshot.d:XXX + 211:} + 212: + 213:/// Helper to run a positive test and return output string. + 214:string runPosAndGetOutput(string code)() { +> 215: mixin("auto eval = recordEvaluation({ " ~ code ~ "; });"); + 216: return normalizeSnapshot(eval.toString()); + 217:} +``` + +### Negated fail + +```d +expect(3).to.not.be.lessThan(5); +``` + +``` +ASSERTION FAILED: 3 should not be less than 5. +OPERATION: not lessThan + + ACTUAL: 3 +EXPECTED: greater than or equal to 5 + +source/fluentasserts/operations/snapshot.d:XXX + 217:} + 218: + 219:/// Helper to run a negated test and return output string. + 220:string runNegAndGetOutput(string code)() { +> 221: mixin("auto eval = recordEvaluation({ " ~ code ~ "; });"); + 222: return normalizeSnapshot(eval.toString()); + 223:} +``` + +## between + +### Positive fail + +```d +expect(10).to.be.between(1, 5); +``` + +``` +ASSERTION FAILED: 10 should be between 1 and 510 is greater than or equal to 5. +OPERATION: between + + ACTUAL: 10 +EXPECTED: a value inside (1, 5) interval + +source/fluentasserts/operations/snapshot.d:XXX + 211:} + 212: + 213:/// Helper to run a positive test and return output string. + 214:string runPosAndGetOutput(string code)() { +> 215: mixin("auto eval = recordEvaluation({ " ~ code ~ "; });"); + 216: return normalizeSnapshot(eval.toString()); + 217:} +``` + +### Negated fail + +```d +expect(3).to.not.be.between(1, 5); +``` + +``` +ASSERTION FAILED: 3 should not be between 1 and 5. +OPERATION: not between + + ACTUAL: 3 +EXPECTED: a value outside (1, 5) interval + +source/fluentasserts/operations/snapshot.d:XXX + 217:} + 218: + 219:/// Helper to run a negated test and return output string. + 220:string runNegAndGetOutput(string code)() { +> 221: mixin("auto eval = recordEvaluation({ " ~ code ~ "; });"); + 222: return normalizeSnapshot(eval.toString()); + 223:} +``` + +## greaterOrEqualTo + +### Positive fail + +```d +expect(3).to.be.greaterOrEqualTo(5); +``` + +``` +ASSERTION FAILED: 3 should be greater or equal to 5. +OPERATION: greaterOrEqualTo + + ACTUAL: 3 +EXPECTED: greater or equal than 5 + +source/fluentasserts/operations/snapshot.d:XXX + 211:} + 212: + 213:/// Helper to run a positive test and return output string. + 214:string runPosAndGetOutput(string code)() { +> 215: mixin("auto eval = recordEvaluation({ " ~ code ~ "; });"); + 216: return normalizeSnapshot(eval.toString()); + 217:} +``` + +### Negated fail + +```d +expect(5).to.not.be.greaterOrEqualTo(3); +``` + +``` +ASSERTION FAILED: 5 should not be greater or equal to 3. +OPERATION: not greaterOrEqualTo + + ACTUAL: 5 +EXPECTED: less than 3 + +source/fluentasserts/operations/snapshot.d:XXX + 217:} + 218: + 219:/// Helper to run a negated test and return output string. + 220:string runNegAndGetOutput(string code)() { +> 221: mixin("auto eval = recordEvaluation({ " ~ code ~ "; });"); + 222: return normalizeSnapshot(eval.toString()); + 223:} +``` + +## lessOrEqualTo + +### Positive fail + +```d +expect(5).to.be.lessOrEqualTo(3); +``` + +``` +ASSERTION FAILED: 5 should be less or equal to 3. +OPERATION: lessOrEqualTo + + ACTUAL: 5 +EXPECTED: less or equal to 3 + +source/fluentasserts/operations/snapshot.d:XXX + 211:} + 212: + 213:/// Helper to run a positive test and return output string. + 214:string runPosAndGetOutput(string code)() { +> 215: mixin("auto eval = recordEvaluation({ " ~ code ~ "; });"); + 216: return normalizeSnapshot(eval.toString()); + 217:} +``` + +### Negated fail + +```d +expect(3).to.not.be.lessOrEqualTo(5); +``` + +``` +ASSERTION FAILED: 3 should not be less or equal to 5. +OPERATION: not lessOrEqualTo + + ACTUAL: 3 +EXPECTED: greater than 5 + +source/fluentasserts/operations/snapshot.d:XXX + 217:} + 218: + 219:/// Helper to run a negated test and return output string. + 220:string runNegAndGetOutput(string code)() { +> 221: mixin("auto eval = recordEvaluation({ " ~ code ~ "; });"); + 222: return normalizeSnapshot(eval.toString()); + 223:} +``` + +## instanceOf + +### Positive fail + +```d +expect(new Object()).to.be.instanceOf!Exception; +``` + +``` +ASSERTION FAILED: Object(XXX) should be instance of "object.Exception". Object(XXX) is instance of object.Object. +OPERATION: instanceOf + + ACTUAL: typeof object.Object +EXPECTED: typeof object.Exception + +source/fluentasserts/operations/snapshot.d:XXX + 211:} + 212: + 213:/// Helper to run a positive test and return output string. + 214:string runPosAndGetOutput(string code)() { +> 215: mixin("auto eval = recordEvaluation({ " ~ code ~ "; });"); + 216: return normalizeSnapshot(eval.toString()); + 217:} +``` + +### Negated fail + +```d +expect(new Exception("test")).to.not.be.instanceOf!Object; +``` + +``` +ASSERTION FAILED: Exception(XXX) should not be instance of "object.Object". Exception(XXX) is instance of object.Exception. +OPERATION: not instanceOf + + ACTUAL: typeof object.Exception +EXPECTED: not typeof object.Object + +source/fluentasserts/operations/snapshot.d:XXX + 217:} + 218: + 219:/// Helper to run a negated test and return output string. + 220:string runNegAndGetOutput(string code)() { +> 221: mixin("auto eval = recordEvaluation({ " ~ code ~ "; });"); + 222: return normalizeSnapshot(eval.toString()); + 223:} +``` + +## beNull + +### Positive fail + +```d +expect(new Object()).to.beNull; +``` + +``` +ASSERTION FAILED: Object(XXX) should be null. +OPERATION: beNull + + ACTUAL: object.Object +EXPECTED: null + +source/fluentasserts/operations/snapshot.d:XXX + 211:} + 212: + 213:/// Helper to run a positive test and return output string. + 214:string runPosAndGetOutput(string code)() { +> 215: mixin("auto eval = recordEvaluation({ " ~ code ~ "; });"); + 216: return normalizeSnapshot(eval.toString()); + 217:} +``` + +### Negated fail + +```d +expect(null).to.not.beNull; +``` + +``` +ASSERTION FAILED: should not be null. +OPERATION: not beNull + + ACTUAL: null +EXPECTED: not null + +source/fluentasserts/operations/snapshot.d:XXX + 217:} + 218: + 219:/// Helper to run a negated test and return output string. + 220:string runNegAndGetOutput(string code)() { +> 221: mixin("auto eval = recordEvaluation({ " ~ code ~ "; });"); + 222: return normalizeSnapshot(eval.toString()); + 223:} +``` diff --git a/source/fluent/asserts.d b/source/fluent/asserts.d index 9802cc18..1d414ab8 100644 --- a/source/fluent/asserts.d +++ b/source/fluent/asserts.d @@ -1,6 +1,7 @@ module fluent.asserts; public import fluentasserts.core.base; +public import fluentasserts.core.config : fluentAssertsEnabled; version(Have_fluent_asserts_vibe) { public import fluentasserts.vibe.json; diff --git a/source/fluentasserts/core/array.d b/source/fluentasserts/core/array.d index e4928661..22532bbf 100644 --- a/source/fluentasserts/core/array.d +++ b/source/fluentasserts/core/array.d @@ -1,848 +1,224 @@ +/// Fixed-size array for @nogc contexts. +/// Preferred over HeapData for most use cases due to simplicity and performance. +/// +/// Note: HeapData is available as an alternative when: +/// - The data size is unbounded or unpredictable +/// - You need cheap copying via ref-counting +/// - Stack space is a concern module fluentasserts.core.array; -import fluentasserts.core.results; -public import fluentasserts.core.base; +import fluentasserts.core.config : config = FluentAssertsConfig; -import std.algorithm; -import std.conv; -import std.traits; -import std.range; -import std.array; -import std.string; -import std.math; - - -U[] toValueList(U, V)(V expectedValueList) @trusted { - - static if(is(V == void[])) { - return []; - } else static if(is(U == immutable) || is(U == const)) { - static if(is(U == class)) { - return expectedValueList.array; - } else { - return expectedValueList.array.idup; - } - } else { - static if(is(U == class)) { - return cast(U[]) expectedValueList.array; - } else { - return cast(U[]) expectedValueList.array.dup; - } - } -} - -@trusted: - -struct ListComparison(Type) { - alias T = Unqual!Type; +@safe: +/// A fixed-size array for storing elements without GC allocation. +/// Useful for @nogc contexts where dynamic arrays would normally be used. +/// Template parameter T is the element type (e.g., char for strings, string for string arrays). +struct FixedArray(T, size_t N = 512) { private { - T[] referenceList; - T[] list; - double maxRelDiff; + T[N] _data = T.init; + size_t _length; } - this(U, V)(U reference, V list, double maxRelDiff = 0) { - this.referenceList = toValueList!T(reference); - this.list = toValueList!T(list); - this.maxRelDiff = maxRelDiff; + /// Returns the current length. + size_t length() @nogc nothrow const { + return _length; } - private long findIndex(T[] list, T element) { - static if(std.traits.isNumeric!(T)) { - return list.countUntil!(a => approxEqual(element, a, maxRelDiff)); - } else static if(is(T == EquableValue)) { - foreach(index, a; list) { - if(a.isEqualTo(element)) { - return index; - } - } - - return -1; - } else { - return list.countUntil(element); - } - } - - T[] missing() @trusted { - T[] result; - - auto tmpList = list.dup; - - foreach(element; referenceList) { - auto index = this.findIndex(tmpList, element); - - if(index == -1) { - result ~= element; - } else { - tmpList = remove(tmpList, index); - } + /// Appends an element to the array. + void opOpAssign(string op : "~")(T s) @nogc nothrow { + if (_length < N) { + _data[_length++] = s; } - - return result; } - T[] extra() @trusted { - T[] result; - - auto tmpReferenceList = referenceList.dup; - - foreach(element; list) { - auto index = this.findIndex(tmpReferenceList, element); - - if(index == -1) { - result ~= element; - } else { - tmpReferenceList = remove(tmpReferenceList, index); - } - } - - return result; + /// Returns the contents as a slice. + inout(T)[] opSlice() @nogc nothrow inout { + return _data[0 .. _length]; } - T[] common() @trusted { - T[] result; - - auto tmpList = list.dup; - - foreach(element; referenceList) { - if(tmpList.length == 0) { - break; - } - - auto index = this.findIndex(tmpList, element); - - if(index >= 0) { - result ~= element; - tmpList = std.algorithm.remove(tmpList, index); - } - } - - return result; + /// Returns a slice with indices. + inout(T)[] opSlice(size_t start, size_t end) @nogc nothrow inout { + return _data[start .. end]; } -} - -@("ListComparison gets missing elements") -unittest { - auto comparison = ListComparison!int([1, 2, 3], [4]); - - auto missing = comparison.missing; - - assert(missing.length == 3); - assert(missing[0] == 1); - assert(missing[1] == 2); - assert(missing[2] == 3); -} - -@("ListComparison gets missing elements with duplicates") -unittest { - auto comparison = ListComparison!int([2, 2], [2]); - - auto missing = comparison.missing; - - assert(missing.length == 1); - assert(missing[0] == 2); -} - -@("ListComparison gets extra elements") -unittest { - auto comparison = ListComparison!int([4], [1, 2, 3]); - - auto extra = comparison.extra; - - assert(extra.length == 3); - assert(extra[0] == 1); - assert(extra[1] == 2); - assert(extra[2] == 3); -} - -@("ListComparison gets extra elements with duplicates") -unittest { - auto comparison = ListComparison!int([2], [2, 2]); - - auto extra = comparison.extra; - - assert(extra.length == 1); - assert(extra[0] == 2); -} - -@("ListComparison gets common elements") -unittest { - auto comparison = ListComparison!int([1, 2, 3, 4], [2, 3]); - - auto common = comparison.common; - - assert(common.length == 2); - assert(common[0] == 2); - assert(common[1] == 3); -} - -@("ListComparison gets common elements with duplicates") -unittest { - auto comparison = ListComparison!int([2, 2, 2, 2], [2, 2]); - - auto common = comparison.common; - - assert(common.length == 2); - assert(common[0] == 2); - assert(common[1] == 2); -} - -@safe: -struct ShouldList(T) if(isInputRange!(T)) { - private T testData; - - alias U = Unqual!(ElementType!T); - mixin ShouldCommons; - mixin DisabledShouldThrowableCommons; - - auto equal(V)(V expectedValueList, const string file = __FILE__, const size_t line = __LINE__) @trusted { - auto valueList = toValueList!(Unqual!U)(expectedValueList); - addMessage(" equal"); - addMessage(" `"); - addValue(valueList.to!string); - addMessage("`"); - beginCheck; - - return approximately(expectedValueList, 0, file, line); + /// Index operator. + inout(T) opIndex(size_t i) @nogc nothrow inout { + return _data[i]; } - auto approximately(V)(V expectedValueList, double maxRelDiff = 1e-05, const string file = __FILE__, const size_t line = __LINE__) @trusted { - import fluentasserts.core.basetype; - - auto valueList = toValueList!(Unqual!U)(expectedValueList); - - addMessage(" approximately"); - addMessage(" `"); - addValue(valueList.to!string); - addMessage("`"); - beginCheck; - - auto comparison = ListComparison!U(valueList, testData.array, maxRelDiff); - - auto missing = comparison.missing; - auto extra = comparison.extra; - auto common = comparison.common; - - auto arrayTestData = testData.array; - auto strArrayTestData = "[" ~ testData.map!(a => (cast()a).to!string).join(", ") ~ "]"; - - static if(std.traits.isNumeric!(U)) { - string strValueList; + /// Clears the array. + void clear() @nogc nothrow { + _length = 0; + } - if(maxRelDiff == 0) { - strValueList = valueList.to!string; - } else { - strValueList = "[" ~ valueList.map!(a => a.to!string ~ "±" ~ maxRelDiff.to!string).join(", ") ~ "]"; - } - } else { - auto strValueList = valueList.to!string; - } + /// Returns true if the array is empty. + bool empty() @nogc nothrow const { + return _length == 0; + } - static if(std.traits.isNumeric!(U)) { - string strMissing; + /// Returns the current length (for $ in slices). + size_t opDollar() @nogc nothrow const { + return _length; + } - if(maxRelDiff == 0 || missing.length == 0) { - strMissing = missing.length == 0 ? "" : missing.to!string; - } else { - strMissing = "[" ~ missing.map!(a => a.to!string ~ "±" ~ maxRelDiff.to!string).join(", ") ~ "]"; - } - } else { - string strMissing = missing.length == 0 ? "" : missing.to!string; + // Specializations for char type (string building) + static if (is(T == char)) { + /// Appends a string slice to the buffer (char specialization). + void put(const(char)[] s) @nogc nothrow { + import std.algorithm : min; + auto copyLen = min(s.length, N - _length); + _data[_length .. _length + copyLen] = s[0 .. copyLen]; + _length += copyLen; } - bool allEqual = valueList.length == arrayTestData.length; - - foreach(i; 0..valueList.length) { - static if(std.traits.isNumeric!(U)) { - allEqual = allEqual && approxEqual(valueList[i], arrayTestData[i], maxRelDiff); - } else { - allEqual = allEqual && (valueList[i] == arrayTestData[i]); - } + /// Assigns from a string (char specialization). + void opAssign(const(char)[] s) @nogc nothrow { + clear(); + put(s); } - if(expectedValue) { - return result(allEqual, [], [ - cast(IResult) new ExpectedActualResult(strValueList, strArrayTestData), - cast(IResult) new ExtraMissingResult(extra.length == 0 ? "" : extra.to!string, strMissing) - ], file, line); - } else { - return result(allEqual, [], [ - cast(IResult) new ExpectedActualResult("not " ~ strValueList, strArrayTestData), - cast(IResult) new ExtraMissingResult(extra.length == 0 ? "" : extra.to!string, strMissing) - ], file, line); + /// Returns the current contents as a string slice. + const(char)[] toString() @nogc nothrow const { + return _data[0 .. _length]; } } +} - auto containOnly(V)(V expectedValueList, const string file = __FILE__, const size_t line = __LINE__) @trusted { - auto valueList = toValueList!(Unqual!U)(expectedValueList); - - addMessage(" contain only "); - addValue(valueList.to!string); - beginCheck; - - auto comparison = ListComparison!U(testData.array, valueList); - - auto missing = comparison.missing; - auto extra = comparison.extra; - auto common = comparison.common; - string missingString; - string extraString; - - bool isSuccess; - string expected; - - if(expectedValue) { - isSuccess = missing.length == 0 && extra.length == 0 && common.length == valueList.length; - - if(extra.length > 0) { - missingString = extra.to!string; - } - - if(missing.length > 0) { - extraString = missing.to!string; - } - - } else { - isSuccess = (missing.length != 0 || extra.length != 0) || common.length != valueList.length; - isSuccess = !isSuccess; +/// Alias for backward compatibility - fixed char buffer for string building. +/// Default size from config.buffers.defaultFixedArraySize. +alias FixedAppender(size_t N = config.buffers.defaultFixedArraySize) = FixedArray!(char, N); - if(common.length > 0) { - extraString = common.to!string; - } - } +/// Alias for backward compatibility - fixed string reference array. +/// Default size from config.buffers.defaultStringArraySize. +alias FixedStringArray(size_t N = config.buffers.defaultStringArraySize) = FixedArray!(string, N); - return result(isSuccess, [], [ - cast(IResult) new ExpectedActualResult("", testData.to!string), - cast(IResult) new ExtraMissingResult(extraString, missingString) - ], file, line); +// Unit tests +version (unittest) { + @("put(string) appends characters and updates length") + unittest { + FixedArray!(char, 64) buf; + buf.put("hello"); + assert(buf[] == "hello", "slice should return put string"); + assert(buf.length == 5, "length should equal string length"); } - auto contain(V)(V expectedValueList, const string file = __FILE__, const size_t line = __LINE__) @trusted { - auto valueList = toValueList!(Unqual!U)(expectedValueList); - - addMessage(" contain "); - addValue(valueList.to!string); - beginCheck; - - auto comparison = ListComparison!U(testData.array, valueList); - - auto missing = comparison.missing; - auto extra = comparison.extra; - auto common = comparison.common; - - ulong[size_t] indexes; - - foreach(value; testData) { - auto index = valueList.countUntil(value); - - if(index != -1) { - indexes[index]++; - } - } - - auto found = indexes.keys.map!(a => valueList[a]).array; - auto notFound = iota(0, valueList.length).filter!(a => !indexes.keys.canFind(a)).map!(a => valueList[a]).array; - - auto arePresent = indexes.keys.length == valueList.length; - - if(expectedValue) { - string isString = notFound.length == 1 ? "is" : "are"; - - return result(arePresent, - [ Message(true, notFound.to!string), - Message(false, " " ~ isString ~ " missing from "), - Message(true, testData.to!string), - Message(false, ".") - ], - [ - cast(IResult) new ExpectedActualResult("all of " ~ valueList.to!string, testData.to!string), - cast(IResult) new ExtraMissingResult("", notFound.to!string) - ], file, line); - } else { - string isString = found.length == 1 ? "is" : "are"; - - return result(common.length != 0, - [ Message(true, common.to!string), - Message(false, " " ~ isString ~ " present in "), - Message(true, testData.to!string), - Message(false, ".") - ], - [ - cast(IResult) new ExpectedActualResult("none of " ~ valueList.to!string, testData.to!string), - cast(IResult) new ExtraMissingResult(common.to!string, "") - ], - file, line); - } + @("put(string) called multiple times concatenates content") + unittest { + FixedArray!(char, 64) buf; + buf.put("hello"); + buf.put(" "); + buf.put("world"); + assert(buf[] == "hello world", "multiple puts should concatenate"); } - auto contain(U value, const string file = __FILE__, const size_t line = __LINE__) @trusted { - addMessage(" contain `"); - addValue(value.to!string); - addMessage("`"); - - auto strValue = value.to!string; - auto strTestData = "[" ~ testData.map!(a => (cast()a).to!string).join(", ") ~ "]"; - - beginCheck; - - auto isPresent = testData.canFind(value); - auto msg = [ - Message(true, strValue), - Message(false, isPresent ? " is present in " : " is missing from "), - Message(true, strTestData), - Message(false, ".") - ]; - - if(expectedValue) { - - return result(isPresent, msg, [ - cast(IResult) new ExpectedActualResult("to contain `" ~ strValue ~ "`", strTestData), - cast(IResult) new ExtraMissingResult("", value.to!string) - ], file, line); - } else { - return result(isPresent, msg, [ - cast(IResult) new ExpectedActualResult("to not contain `" ~ strValue ~ "`", strTestData), - cast(IResult) new ExtraMissingResult(value.to!string, "") - ], file, line); - } + @("opAssign clears buffer and replaces with new content") + unittest { + FixedArray!(char, 64) buf; + buf = "test"; + assert(buf[] == "test", "assignment should set content"); + buf = "replaced"; + assert(buf[] == "replaced", "second assignment should replace content"); } -} -@("lazy array that throws propagates the exception") -unittest { - int[] someLazyArray() { - throw new Exception("This is it."); + @("put(string) truncates input when exceeding capacity") + unittest { + FixedArray!(char, 5) buf; + buf.put("hello world"); + assert(buf[] == "hello", "should truncate to capacity"); + assert(buf.length == 5, "length should equal capacity"); } - ({ - someLazyArray.should.equal([]); - }).should.throwAnyException.withMessage("This is it."); - - ({ - someLazyArray.should.approximately([], 3); - }).should.throwAnyException.withMessage("This is it."); - - ({ - someLazyArray.should.contain([]); - }).should.throwAnyException.withMessage("This is it."); - - ({ - someLazyArray.should.contain(3); - }).should.throwAnyException.withMessage("This is it."); -} - -@("range contain") -unittest { - ({ - [1, 2, 3].map!"a".should.contain([2, 1]); - [1, 2, 3].map!"a".should.not.contain([4, 5, 6, 7]); - }).should.not.throwException!TestException; - - ({ - [1, 2, 3].map!"a".should.contain(1); - }).should.not.throwException!TestException; - - auto msg = ({ - [1, 2, 3].map!"a".should.contain([4, 5]); - }).should.throwException!TestException.msg; - - msg.split('\n')[0].should.equal("[1, 2, 3].map!\"a\" should contain [4, 5]. [4, 5] are missing from [1, 2, 3]."); - - msg = ({ - [1, 2, 3].map!"a".should.not.contain([1, 2]); - }).should.throwException!TestException.msg; - - msg.split('\n')[0].should.equal("[1, 2, 3].map!\"a\" should not contain [1, 2]. [1, 2] are present in [1, 2, 3]."); - - msg = ({ - [1, 2, 3].map!"a".should.contain(4); - }).should.throwException!TestException.msg; - - msg.split('\n')[0].should.contain("4 is missing from [1, 2, 3]"); -} - -@("const range contain") -unittest { - const(int)[] data = [1, 2, 3]; - data.map!"a".should.contain([2, 1]); - data.map!"a".should.contain(data); - [1, 2, 3].should.contain(data); - - ({ - data.map!"a * 4".should.not.contain(data); - }).should.not.throwAnyException; -} - -@("immutable range contain") -unittest { - immutable(int)[] data = [1, 2, 3]; - data.map!"a".should.contain([2, 1]); - data.map!"a".should.contain(data); - [1, 2, 3].should.contain(data); - - ({ - data.map!"a * 4".should.not.contain(data); - }).should.not.throwAnyException; -} - -@("contain only") -unittest { - ({ - [1, 2, 3].should.containOnly([3, 2, 1]); - [1, 2, 3].should.not.containOnly([2, 1]); - - [1, 2, 2].should.not.containOnly([2, 1]); - [1, 2, 2].should.containOnly([2, 1, 2]); - - [2, 2].should.containOnly([2, 2]); - [2, 2, 2].should.not.containOnly([2, 2]); - }).should.not.throwException!TestException; - - auto msg = ({ - [1, 2, 3].should.containOnly([2, 1]); - }).should.throwException!TestException.msg; - - msg.split('\n')[0].should.equal("[1, 2, 3] should contain only [2, 1]."); - - msg = ({ - [1, 2].should.not.containOnly([2, 1]); - }).should.throwException!TestException.msg; - - msg.split('\n')[0].strip.should.equal("[1, 2] should not contain only [2, 1]."); - - msg = ({ - [2, 2].should.containOnly([2]); - }).should.throwException!TestException.msg; - - msg.split('\n')[0].should.equal("[2, 2] should contain only [2]."); - - msg = ({ - [3, 3].should.containOnly([2]); - }).should.throwException!TestException.msg; - - msg.split('\n')[0].should.equal("[3, 3] should contain only [2]."); - - msg = ({ - [2, 2].should.not.containOnly([2, 2]); - }).should.throwException!TestException.msg; - - msg.split('\n')[0].should.equal("[2, 2] should not contain only [2, 2]."); -} - -@("contain only with void array") -unittest { - int[] list; - list.should.containOnly([]); -} - - -@("const range containOnly") -unittest { - const(int)[] data = [1, 2, 3]; - data.map!"a".should.containOnly([3, 2, 1]); - data.map!"a".should.containOnly(data); - [1, 2, 3].should.containOnly(data); - - ({ - data.map!"a * 4".should.not.containOnly(data); - }).should.not.throwAnyException; -} - -@("immutable range containOnly") -unittest { - immutable(int)[] data = [1, 2, 3]; - data.map!"a".should.containOnly([2, 1, 3]); - data.map!"a".should.containOnly(data); - [1, 2, 3].should.containOnly(data); - - ({ - data.map!"a * 4".should.not.containOnly(data); - }).should.not.throwAnyException; -} - -@("array contain") -unittest { - ({ - [1, 2, 3].should.contain([2, 1]); - [1, 2, 3].should.not.contain([4, 5, 6, 7]); - - [1, 2, 3].should.contain(1); - }).should.not.throwException!TestException; - - auto msg = ({ - [1, 2, 3].should.contain([4, 5]); - }).should.throwException!TestException.msg.split('\n'); - - msg[0].should.equal("[1, 2, 3] should contain [4, 5]. [4, 5] are missing from [1, 2, 3]."); - - msg = ({ - [1, 2, 3].should.not.contain([2, 3]); - }).should.throwException!TestException.msg.split('\n'); - - msg[0].should.equal("[1, 2, 3] should not contain [2, 3]. [2, 3] are present in [1, 2, 3]."); - - msg = ({ - [1, 2, 3].should.not.contain([4, 3]); - }).should.throwException!TestException.msg.split('\n'); - - msg[0].should.equal("[1, 2, 3] should not contain [4, 3]. 3 is present in [1, 2, 3]."); - - msg = ({ - [1, 2, 3].should.contain(4); - }).should.throwException!TestException.msg.split('\n'); - - msg[0].should.equal("[1, 2, 3] should contain 4. 4 is missing from [1, 2, 3]."); - - msg = ({ - [1, 2, 3].should.not.contain(2); - }).should.throwException!TestException.msg.split('\n'); - - msg[0].should.equal("[1, 2, 3] should not contain 2. 2 is present in [1, 2, 3]."); -} - -@("array equals") -unittest { - ({ - [1, 2, 3].should.equal([1, 2, 3]); - }).should.not.throwAnyException; - - ({ - [1, 2, 3].should.not.equal([2, 1, 3]); - [1, 2, 3].should.not.equal([2, 3]); - [2, 3].should.not.equal([1, 2, 3]); - }).should.not.throwAnyException; - - auto msg = ({ - [1, 2, 3].should.equal([4, 5]); - }).should.throwException!TestException.msg.split("\n"); - - msg[0].strip.should.startWith("[1, 2, 3] should equal [4, 5]."); - - msg = ({ - [1, 2].should.equal([4, 5]); - }).should.throwException!TestException.msg.split("\n"); - - msg[0].strip.should.startWith("[1, 2] should equal [4, 5]."); - - msg = ({ - [1, 2, 3].should.equal([2, 3, 1]); - }).should.throwException!TestException.msg.split("\n"); - - msg[0].strip.should.startWith("[1, 2, 3] should equal [2, 3, 1]."); - - msg = ({ - [1, 2, 3].should.not.equal([1, 2, 3]); - }).should.throwException!TestException.msg.split("\n"); - - msg[0].strip.should.startWith("[1, 2, 3] should not equal [1, 2, 3]"); -} - -@("array equals with structs") -unittest { - struct TestStruct { - int value; - - void f() {} + @("opOpAssign ~= appends elements sequentially") + unittest { + FixedArray!(int, 10) arr; + arr ~= 1; + arr ~= 2; + arr ~= 3; + assert(arr[] == [1, 2, 3], "~= should append elements in order"); + assert(arr.length == 3, "length should match appended count"); } - ({ - [TestStruct(1)].should.equal([TestStruct(1)]); - }).should.not.throwAnyException; - - auto msg = ({ - [TestStruct(2)].should.equal([TestStruct(1)]); - }).should.throwException!TestException.msg; - - msg.should.startWith("[TestStruct(2)] should equal [TestStruct(1)]."); -} - -@("const array equal") -unittest { - const(string)[] constValue = ["test", "string"]; - immutable(string)[] immutableValue = ["test", "string"]; - - constValue.should.equal(["test", "string"]); - immutableValue.should.equal(["test", "string"]); - - ["test", "string"].should.equal(constValue); - ["test", "string"].should.equal(immutableValue); -} - -version(unittest) { - class TestEqualsClass { - int value; - - this(int value) { this.value = value; } - void f() {} + @("opIndex returns element at specified position") + unittest { + FixedArray!(int, 10) arr; + arr ~= 10; + arr ~= 20; + arr ~= 30; + assert(arr[0] == 10, "index 0 should return first element"); + assert(arr[1] == 20, "index 1 should return second element"); + assert(arr[2] == 30, "index 2 should return third element"); } -} - -@("array equals with classes") -unittest { - - ({ - auto instance = new TestEqualsClass(1); - [instance].should.equal([instance]); - }).should.not.throwAnyException; - - ({ - [new TestEqualsClass(2)].should.equal([new TestEqualsClass(1)]); - }).should.throwException!TestException; -} - -@("range equals") -unittest { - ({ - [1, 2, 3].map!"a".should.equal([1, 2, 3]); - }).should.not.throwAnyException; - - ({ - [1, 2, 3].map!"a".should.not.equal([2, 1, 3]); - [1, 2, 3].map!"a".should.not.equal([2, 3]); - [2, 3].map!"a".should.not.equal([1, 2, 3]); - }).should.not.throwAnyException; - - auto msg = ({ - [1, 2, 3].map!"a".should.equal([4, 5]); - }).should.throwException!TestException.msg; - - msg.split("\n")[0].strip.should.startWith(`[1, 2, 3].map!"a" should equal [4, 5].`); - msg = ({ - [1, 2].map!"a".should.equal([4, 5]); - }).should.throwException!TestException.msg; - - msg.split("\n")[0].strip.should.startWith(`[1, 2].map!"a" should equal [4, 5].`); - - msg = ({ - [1, 2, 3].map!"a".should.equal([2, 3, 1]); - }).should.throwException!TestException.msg; - - msg.split("\n")[0].strip.should.startWith(`[1, 2, 3].map!"a" should equal [2, 3, 1].`); - - msg = ({ - [1, 2, 3].map!"a".should.not.equal([1, 2, 3]); - }).should.throwException!TestException.msg; - - msg.split("\n")[0].strip.should.startWith(`[1, 2, 3].map!"a" should not equal [1, 2, 3]`); -} - -@("custom range asserts") -unittest { - struct Range { - int n; - int front() { - return n; - } - void popFront() { - ++n; - } - bool empty() { - return n == 3; - } + @("empty returns true initially, false after append, true after clear") + unittest { + FixedArray!(int, 10) arr; + assert(arr.empty, "new array should be empty"); + arr ~= 1; + assert(!arr.empty, "array with element should not be empty"); + arr.clear(); + assert(arr.empty, "cleared array should be empty"); + assert(arr.length == 0, "cleared array length should be 0"); } - Range().should.equal([0,1,2]); - Range().should.contain([0,1]); - Range().should.contain(0); - - auto msg = ({ - Range().should.equal([0,1]); - }).should.throwException!TestException.msg; - - msg.split("\n")[0].strip.should.startWith("Range() should equal [0, 1]"); - - msg = ({ - Range().should.contain([2, 3]); - }).should.throwException!TestException.msg; - - msg.split("\n")[0].strip.should.startWith("Range() should contain [2, 3]. 3 is missing from [0, 1, 2]."); - - msg = ({ - Range().should.contain(3); - }).should.throwException!TestException.msg; - - msg.split("\n")[0].strip.should.startWith("Range() should contain 3. 3 is missing from [0, 1, 2]."); -} - -@("custom const range equals") -unittest { - struct ConstRange { - int n; - const(int) front() { - return n; - } - - void popFront() { - ++n; - } - - bool empty() { - return n == 3; - } + @("string element type stores references correctly") + unittest { + FixedArray!(string, 10) arr; + arr ~= "one"; + arr ~= "two"; + arr ~= "three"; + assert(arr[] == ["one", "two", "three"], "should store string references"); } - [0,1,2].should.equal(ConstRange()); - ConstRange().should.equal([0,1,2]); -} - -@("custom immutable range equals") -unittest { - struct ImmutableRange { - int n; - immutable(int) front() { - return n; - } - - void popFront() { - ++n; - } - - bool empty() { - return n == 3; - } + @("FixedAppender alias provides char buffer functionality") + unittest { + FixedAppender!64 buf; + buf.put("test"); + assert(buf[] == "test", "FixedAppender should work as char buffer"); } - [0,1,2].should.equal(ImmutableRange()); - ImmutableRange().should.equal([0,1,2]); -} - -@("approximately equals") -unittest { - [0.350, 0.501, 0.341].should.be.approximately([0.35, 0.50, 0.34], 0.01); - - [0.350, 0.501, 0.341].should.not.be.approximately([0.35, 0.50, 0.34], 0.00001); - [0.350, 0.501, 0.341].should.not.be.approximately([0.501, 0.350, 0.341], 0.001); - [0.350, 0.501, 0.341].should.not.be.approximately([0.350, 0.501], 0.001); - [0.350, 0.501].should.not.be.approximately([0.350, 0.501, 0.341], 0.001); - - auto msg = ({ - [0.350, 0.501, 0.341].should.be.approximately([0.35, 0.50, 0.34], 0.0001); - }).should.throwException!TestException.msg; - - msg.should.contain("Expected:[0.35±0.0001, 0.5±0.0001, 0.34±0.0001]"); - msg.should.contain("Missing:[0.501±0.0001, 0.341±0.0001]"); -} - -@("approximately equals with Assert") -unittest { - Assert.approximately([0.350, 0.501, 0.341], [0.35, 0.50, 0.34], 0.01); - Assert.notApproximately([0.350, 0.501, 0.341], [0.350, 0.501], 0.0001); -} - -@("immutable string") -unittest { - immutable string[] someList; - - someList.should.equal([]); + @("FixedStringArray alias provides string array functionality") + unittest { + FixedStringArray!10 arr; + arr ~= "item"; + assert(arr[] == ["item"], "FixedStringArray should store strings"); + } + + @("opDollar enables $ syntax in slice expressions") + unittest { + FixedArray!(int, 10) arr; + arr ~= 1; + arr ~= 2; + arr ~= 3; + assert(arr[0 .. $] == [1, 2, 3], "[0..$] should return all elements"); + assert(arr[1 .. $] == [2, 3], "[1..$] should return elements from index 1"); + } + + @("toString returns accumulated char content") + unittest { + FixedArray!(char, 64) buf; + buf.put("hello world"); + assert(buf.toString() == "hello world", "toString should return buffer content"); + } + + @("append beyond capacity silently ignores excess elements") + unittest { + FixedArray!(int, 3) arr; + arr ~= 1; + arr ~= 2; + arr ~= 3; + arr ~= 4; + assert(arr[] == [1, 2, 3], "should contain only first 3 elements"); + assert(arr.length == 3, "length should not exceed capacity"); + } + + @("opSlice with start and end returns subrange") + unittest { + FixedArray!(int, 10) arr; + arr ~= 10; + arr ~= 20; + arr ~= 30; + arr ~= 40; + assert(arr[1 .. 3] == [20, 30], "[1..3] should return elements at index 1 and 2"); + } } - -@("compare const objects") -unittest { - class A {} - A a = new A(); - const(A)[] arr = [a]; - arr.should.equal([a]); -} \ No newline at end of file diff --git a/source/fluentasserts/core/base.d b/source/fluentasserts/core/base.d index 0eae9c7a..6ee7d28f 100644 --- a/source/fluentasserts/core/base.d +++ b/source/fluentasserts/core/base.d @@ -1,14 +1,17 @@ +/// Base module for fluent-asserts. +/// Re-exports all core assertion modules and provides the Assert struct +/// for traditional-style assertions. module fluentasserts.core.base; -public import fluentasserts.core.array; -public import fluentasserts.core.string; -public import fluentasserts.core.objects; -public import fluentasserts.core.basetype; -public import fluentasserts.core.callable; -public import fluentasserts.core.results; public import fluentasserts.core.lifecycle; public import fluentasserts.core.expect; -public import fluentasserts.core.evaluation; +public import fluentasserts.core.evaluation.eval : Evaluation; +public import fluentasserts.core.evaluation.value : ValueEvaluation; +public import fluentasserts.core.memory.heapequable : HeapEquableValue; + +public import fluentasserts.results.message; +public import fluentasserts.results.printer; +public import fluentasserts.results.asserts : AssertResult; import std.traits; import std.stdio; @@ -24,230 +27,6 @@ import std.typecons; @safe: -struct Result { - bool willThrow; - IResult[] results; - - MessageResult message; - - string file; - size_t line; - - private string reason; - - auto because(string reason) { - this.reason = "Because " ~ reason ~ ", "; - return this; - } - - void perform() { - if(!willThrow) { - return; - } - - version(DisableMessageResult) { - IResult[] localResults = this.results; - } else { - IResult[] localResults = message ~ this.results; - } - - version(DisableSourceResult) {} else { - auto sourceResult = new SourceResult(file, line); - message.prependValue(sourceResult.getValue); - message.prependText(reason); - - localResults ~= sourceResult; - } - - throw new TestException(localResults, file, line); - } - - ~this() { - this.perform; - } - - static Result success() { - return Result(false); - } -} - -mixin template DisabledShouldThrowableCommons() { - auto throwSomething(string file = __FILE__, size_t line = __LINE__) { - static assert("`throwSomething` does not work for arrays and ranges"); - } - - auto throwAnyException(const string file = __FILE__, const size_t line = __LINE__) { - static assert("`throwAnyException` does not work for arrays and ranges"); - } - - auto throwException(T)(const string file = __FILE__, const size_t line = __LINE__) { - static assert("`throwException` does not work for arrays and ranges"); - } -} - -mixin template ShouldThrowableCommons() { - auto throwSomething(string file = __FILE__, size_t line = __LINE__) { - addMessage(" throw "); - addValue("something"); - beginCheck; - - return throwException!Throwable(file, line); - } - - auto throwAnyException(const string file = __FILE__, const size_t line = __LINE__) { - addMessage(" throw "); - addValue("any exception"); - beginCheck; - - return throwException!Exception(file, line); - } - - auto throwException(T)(const string file = __FILE__, const size_t line = __LINE__) { - addMessage(" throw a `"); - addValue(T.stringof); - addMessage("`"); - - return ThrowableProxy!T(valueEvaluation.throwable, expectedValue, messages, file, line); - } - - private { - ThrowableProxy!T throwExceptionImplementation(T)(Throwable t, string file = __FILE__, size_t line = __LINE__) { - addMessage(" throw a `"); - addValue(T.stringof); - addMessage("`"); - - bool rightType = true; - if(t !is null) { - T castedThrowable = cast(T) t; - rightType = castedThrowable !is null; - } - - return ThrowableProxy!T(t, expectedValue, rightType, messages, file, line); - } - } -} - -mixin template ShouldCommons() -{ - import std.string; - import fluentasserts.core.results; - - private ValueEvaluation valueEvaluation; - private bool isNegation; - - private void validateException() { - if(valueEvaluation.throwable !is null) { - throw valueEvaluation.throwable; - } - } - - auto be() { - addMessage(" be"); - return this; - } - - auto should() { - return this; - } - - auto not() { - addMessage(" not"); - expectedValue = !expectedValue; - isNegation = !isNegation; - - return this; - } - - auto forceMessage(string message) { - messages = []; - - addMessage(message); - - return this; - } - - auto forceMessage(Message[] messages) { - this.messages = messages; - - return this; - } - - private { - Message[] messages; - ulong mesageCheckIndex; - - bool expectedValue = true; - - void addMessage(string msg) { - if(mesageCheckIndex != 0) { - return; - } - - messages ~= Message(false, msg); - } - - void addValue(string msg) { - if(mesageCheckIndex != 0) { - return; - } - - messages ~= Message(true, msg); - } - - void addValue(EquableValue msg) { - if(mesageCheckIndex != 0) { - return; - } - - messages ~= Message(true, msg.getSerialized); - } - - void beginCheck() { - if(mesageCheckIndex != 0) { - return; - } - - mesageCheckIndex = messages.length; - } - - Result simpleResult(bool value, Message[] msg, string file, size_t line) { - return result(value, msg, [ ], file, line); - } - - Result result(bool value, Message[] msg, IResult res, string file, size_t line) { - return result(value, msg, [ res ], file, line); - } - - Result result(bool value, IResult res, string file, size_t line) { - return result(value, [], [ res ], file, line); - } - - Result result(bool value, Message[] msg, IResult[] res, const string file, const size_t line) { - if(res.length == 0 && msg.length == 0) { - return Result(false); - } - - auto finalMessage = new MessageResult(" should"); - - messages ~= Message(false, "."); - - if(msg.length > 0) { - messages ~= Message(false, " ") ~ msg; - } - - foreach(message; messages) { - if(message.isValue) { - finalMessage.addValue(message.text); - } else { - finalMessage.addText(message.text); - } - } - - return Result(expectedValue != value, res, finalMessage, file, line); - } - } -} - version(Have_unit_threaded) { import unit_threaded.should; alias ReferenceException = UnitTestException; @@ -255,341 +34,327 @@ version(Have_unit_threaded) { alias ReferenceException = Exception; } +/// Exception thrown when an assertion fails. +/// Contains the failure message and optionally structured message segments +/// for rich output formatting. class TestException : ReferenceException { - private { - IResult[] results; - } - - this(IResult[] results, string fileName, size_t line, Throwable next = null) { - auto msg = results.map!"a.toString".filter!"a != ``".join("\n") ~ '\n'; - this.results = results; - super(msg, fileName, line, next); + /// Constructs a TestException from an Evaluation. + /// The message is formatted from the evaluation's content. + this(Evaluation evaluation, Throwable next = null) @safe nothrow { + super(evaluation.toString(), evaluation.sourceFile, evaluation.sourceLine, next); } +} - void print(ResultPrinter printer) { - foreach(result; results) { - result.print(printer); - printer.primary("\n"); - } +/// Creates a fluent assertion using UFCS syntax. +/// This is an alias for `expect` that reads more naturally with UFCS. +/// Example: `value.should.equal(42)` +/// Params: +/// testData = The value to test +/// file = Source file (auto-captured) +/// line = Source line (auto-captured) +/// Returns: An Expect struct for chaining assertions. +auto should(T)(lazy T testData, const string file = __FILE__, const size_t line = __LINE__) @trusted { + static if(is(T == void)) { + auto callable = ({ testData; }); + return expect(callable, file, line); + } else { + return expect(testData, file, line); } } -@("TestException separates the results by a new line") +@("because adds a text before the assert message") unittest { - import std.stdio; - IResult[] results = [ - cast(IResult) new MessageResult("message"), - cast(IResult) new SourceResult("test/missing.txt", 10), - cast(IResult) new DiffResult("a", "b"), - cast(IResult) new ExpectedActualResult("a", "b"), - cast(IResult) new ExtraMissingResult("a", "b") ]; - - auto exception = new TestException(results, "unknown", 0); - - exception.msg.should.equal(`message + auto evaluation = ({ + true.should.equal(false).because("of test reasons"); + }).recordEvaluation; --------------------- -test/missing.txt:10 --------------------- + evaluation.result.messageString.should.equal("Because of test reasons, true should equal false."); +} -Diff: -[-a][+b] +// Issue #90: std.container.array ranges have @system destructors +// The should function is @trusted so it can handle these ranges +@("issue #90: should works with std.container.array ranges") +@system unittest { + import std.container.array : Array; - Expected:a - Actual:b + auto arr = Array!int(); + arr.insertBack(1); + arr.insertBack(2); + arr.insertBack(3); - Extra:a - Missing:b -`); + // This should compile and pass - the range has a @system destructor + // but should/expect/evaluate are all @trusted so they can handle it + arr[].should.equal([1, 2, 3]); } -@("TestException should concatenate all the Result strings") +// Issue #88: std.range.interfaces.InputRange should work with should() +// The unified Expect API handles InputRange interfaces as ranges +@("issue #88: should works with std.range.interfaces.InputRange") unittest { - class TestResult : IResult { - override string toString() { - return "message"; - } + import std.range.interfaces : InputRange, inputRangeObject; - void print(ResultPrinter) {} - } + auto arr = [1, 2, 3]; + InputRange!int ir = inputRangeObject(arr); - auto exception = new TestException([ new TestResult, new TestResult, new TestResult], "", 0); - - exception.msg.should.equal("message\nmessage\nmessage\n"); + // InputRange interfaces are treated as ranges and converted to arrays + ir.should.equal([1, 2, 3]); } -@("TestException should call all the result print methods on print") -unittest { - int count; +/// Provides a traditional assertion API as an alternative to fluent syntax. +/// All methods are static and can be called as `Assert.equal(a, b)`. +/// Supports negation by prefixing with "not": `Assert.notEqual(a, b)`. +struct Assert { + /// Dispatches assertion calls dynamically based on the method name. + /// Supports negation with "not" prefix (e.g., notEqual, notContain). + static void opDispatch(string s, T, U)(T actual, U expected, string reason = "", const string file = __FILE__, const size_t line = __LINE__) + { + auto sh = expect(actual); - class TestResult : IResult { - override string toString() { - return ""; + static if(s[0..3] == "not") { + sh.not; + enum assertName = s[3..4].toLower ~ s[4..$]; + } else { + enum assertName = s; } - void print(ResultPrinter) { - count++; + static if(assertName == "greaterThan" || + assertName == "lessThan" || + assertName == "above" || + assertName == "below" || + assertName == "between" || + assertName == "within" || + assertName == "approximately") { + sh.be; } - } - - auto exception = new TestException([ new TestResult, new TestResult, new TestResult], "", 0); - exception.print(new DefaultResultPrinter); - - count.should.equal(3); -} - -struct ThrowableProxy(T : Throwable) { - import fluentasserts.core.results; - - private const { - bool expectedValue; - const string _file; - size_t _line; - } - - private { - Message[] messages; - string reason; - bool check; - Throwable thrown; - T thrownTyped; - } - - this(Throwable thrown, bool expectedValue, Message[] messages, const string file, size_t line) { - this.expectedValue = expectedValue; - this._file = file; - this._line = line; - this.thrown = thrown; - this.thrownTyped = cast(T) thrown; - this.messages = messages; - this.check = true; - } - - ~this() { - checkException; - } - auto msg() { - checkException; - check = false; + mixin("auto result = sh." ~ assertName ~ "(expected);"); - return thrown.msg.dup.to!string.strip; + if(reason != "") { + result.because(reason); + } } - auto original() { - checkException; - check = false; + /// Asserts that a value is between two bounds (exclusive). + static void between(T, U)(T actual, U begin, U end, string reason = "", const string file = __FILE__, const size_t line = __LINE__) + { + auto s = expect(actual, file, line).to.be.between(begin, end); - return thrownTyped; + if(reason != "") { + s.because(reason); + } } - auto file() { - checkException; - check = false; + /// Asserts that a value is NOT between two bounds. + static void notBetween(T, U)(T actual, U begin, U end, string reason = "", const string file = __FILE__, const size_t line = __LINE__) + { + auto s = expect(actual, file, line).not.to.be.between(begin, end); - return thrown.file; + if(reason != "") { + s.because(reason); + } } - auto info() { - checkException; - check = false; + /// Asserts that a value is within two bounds (alias for between). + static void within(T, U)(T actual, U begin, U end, string reason = "", const string file = __FILE__, const size_t line = __LINE__) + { + auto s = expect(actual, file, line).to.be.between(begin, end); - return thrown.info; + if(reason != "") { + s.because(reason); + } } - auto line() { - checkException; - check = false; + /// Asserts that a value is NOT within two bounds. + static void notWithin(T, U)(T actual, U begin, U end, string reason = "", const string file = __FILE__, const size_t line = __LINE__) + { + auto s = expect(actual, file, line).not.to.be.between(begin, end); - return thrown.line; + if(reason != "") { + s.because(reason); + } } - auto next() { - checkException; - check = false; + /// Asserts that a value is approximately equal to expected within delta. + static void approximately(T, U, V)(T actual, U expected, V delta, string reason = "", const string file = __FILE__, const size_t line = __LINE__) + { + auto s = expect(actual, file, line).to.be.approximately(expected, delta); - return thrown.next; + if(reason != "") { + s.because(reason); + } } - auto withMessage() { - auto s = ShouldString(msg); - check = false; + /// Asserts that a value is NOT approximately equal to expected. + static void notApproximately(T, U, V)(T actual, U expected, V delta, string reason = "", const string file = __FILE__, const size_t line = __LINE__) + { + auto s = expect(actual, file, line).not.to.be.approximately(expected, delta); - return s.forceMessage(messages ~ Message(false, " with message")); + if(reason != "") { + s.because(reason); + } } - auto withMessage(string expectedMessage) { - auto s = ShouldString(msg); - check = false; - - return s.forceMessage(messages ~ Message(false, " with message")).equal(expectedMessage); - } + /// Asserts that a value is null. + static void beNull(T)(T actual, string reason = "", const string file = __FILE__, const size_t line = __LINE__) + { + auto s = expect(actual, file, line).to.beNull; - private void checkException() { - if(!check) { - return; + if(reason != "") { + s.because(reason); } + } - bool hasException = thrown !is null; - bool hasTypedException = thrownTyped !is null; + /// Asserts that a value is NOT null. + static void notNull(T)(T actual, string reason = "", const string file = __FILE__, const size_t line = __LINE__) + { + auto s = expect(actual, file, line).not.to.beNull; - if(hasException == expectedValue && hasTypedException == expectedValue) { - return; + if(reason != "") { + s.because(reason); } + } - auto sourceResult = new SourceResult(_file, _line); - auto message = new MessageResult(""); + /// Asserts that a callable throws a specific exception type. + static void throwException(E : Throwable = Exception, T)(T callable, string reason = "", const string file = __FILE__, const size_t line = __LINE__) + { + auto s = expect(callable, file, line).to.throwException!E; if(reason != "") { - message.addText("Because " ~ reason ~ ", "); + s.because(reason); } + } - message.addText(sourceResult.getValue ~ " should"); + /// Asserts that a callable does NOT throw a specific exception type. + static void notThrowException(E : Throwable = Exception, T)(T callable, string reason = "", const string file = __FILE__, const size_t line = __LINE__) + { + auto s = expect(callable, file, line).not.to.throwException!E; - foreach(msg; messages) { - if(msg.isValue) { - message.addValue(msg.text); - } else { - message.addText(msg.text); - } + if(reason != "") { + s.because(reason); } + } - message.addText("."); + /// Asserts that a callable throws any exception. + static void throwAnyException(T)(T callable, string reason = "", const string file = __FILE__, const size_t line = __LINE__) + { + auto s = expect(callable, file, line).to.throwAnyException; - if(thrown is null) { - message.addText(" Nothing was thrown."); - } else { - message.addText(" An exception of type `"); - message.addValue(thrown.classinfo.name); - message.addText("` saying `"); - message.addValue(thrown.msg); - message.addText("` was thrown."); + if(reason != "") { + s.because(reason); } - - throw new TestException([ cast(IResult) message ], _file, _line); } - auto because(string reason) { - this.reason = reason; - - return this; - } -} + /// Asserts that a callable does NOT throw any exception. + static void notThrowAnyException(T)(T callable, string reason = "", const string file = __FILE__, const size_t line = __LINE__) + { + auto s = expect(callable, file, line).not.to.throwAnyException; -auto should(T)(lazy T testData, const string file = __FILE__, const size_t line = __LINE__) @trusted { - static if(is(T == void)) { - auto callable = ({ testData; }); - return expect(callable, file, line); - } else { - return expect(testData, file, line); + if(reason != "") { + s.because(reason); + } } -} - -@("because adds a text before the assert message") -unittest { - auto msg = ({ - true.should.equal(false).because("of test reasons"); - }).should.throwException!TestException.msg; - msg.split("\n")[0].should.equal("Because of test reasons, true should equal false. "); -} - -struct Assert { - static void opDispatch(string s, T, U)(T actual, U expected, string reason = "", const string file = __FILE__, const size_t line = __LINE__) + /// Asserts that a callable allocates GC memory. + static void allocateGCMemory(T)(T callable, string reason = "", const string file = __FILE__, const size_t line = __LINE__) { - auto sh = expect(actual); + auto ex = expect(callable, file, line); + auto s = ex.allocateGCMemory(); - static if(s[0..3] == "not") { - sh.not; - enum assertName = s[3..4].toLower ~ s[4..$]; - } else { - enum assertName = s; - } - - static if(assertName == "greaterThan" || - assertName == "lessThan" || - assertName == "above" || - assertName == "below" || - assertName == "between" || - assertName == "within" || - assertName == "approximately") { - sh.be; + if(reason != "") { + s.because(reason); } + } - mixin("auto result = sh." ~ assertName ~ "(expected);"); + /// Asserts that a callable does NOT allocate GC memory. + static void notAllocateGCMemory(T)(T callable, string reason = "", const string file = __FILE__, const size_t line = __LINE__) + { + auto ex = expect(callable, file, line); + ex.not(); + auto s = ex.allocateGCMemory(); if(reason != "") { - result.because(reason); + s.because(reason); } } - static void between(T, U)(T actual, U begin, U end, string reason = "", const string file = __FILE__, const size_t line = __LINE__) + /// Asserts that a callable allocates non-GC memory. + static void allocateNonGCMemory(T)(T callable, string reason = "", const string file = __FILE__, const size_t line = __LINE__) { - auto s = expect(actual, file, line).to.be.between(begin, end); + auto ex = expect(callable, file, line); + auto s = ex.allocateNonGCMemory(); if(reason != "") { s.because(reason); } } - static void notBetween(T, U)(T actual, U begin, U end, string reason = "", const string file = __FILE__, const size_t line = __LINE__) + /// Asserts that a callable does NOT allocate non-GC memory. + static void notAllocateNonGCMemory(T)(T callable, string reason = "", const string file = __FILE__, const size_t line = __LINE__) { - auto s = expect(actual, file, line).not.to.be.between(begin, end); + auto ex = expect(callable, file, line); + ex.not(); + auto s = ex.allocateNonGCMemory(); if(reason != "") { s.because(reason); } } - static void within(T, U)(T actual, U begin, U end, string reason = "", const string file = __FILE__, const size_t line = __LINE__) + /// Asserts that a string starts with the expected prefix. + static void startWith(T, U)(T actual, U expected, string reason = "", const string file = __FILE__, const size_t line = __LINE__) { - auto s = expect(actual, file, line).to.be.between(begin, end); + auto s = expect(actual, file, line).to.startWith(expected); if(reason != "") { s.because(reason); } } - static void notWithin(T, U)(T actual, U begin, U end, string reason = "", const string file = __FILE__, const size_t line = __LINE__) + /// Asserts that a string does NOT start with the expected prefix. + static void notStartWith(T, U)(T actual, U expected, string reason = "", const string file = __FILE__, const size_t line = __LINE__) { - auto s = expect(actual, file, line).not.to.be.between(begin, end); + auto s = expect(actual, file, line).not.to.startWith(expected); if(reason != "") { s.because(reason); } } - static void approximately(T, U, V)(T actual, U expected, V delta, string reason = "", const string file = __FILE__, const size_t line = __LINE__) + /// Asserts that a string ends with the expected suffix. + static void endWith(T, U)(T actual, U expected, string reason = "", const string file = __FILE__, const size_t line = __LINE__) { - auto s = expect(actual, file, line).to.be.approximately(expected, delta); + auto s = expect(actual, file, line).to.endWith(expected); if(reason != "") { s.because(reason); } } - static void notApproximately(T, U, V)(T actual, U expected, V delta, string reason = "", const string file = __FILE__, const size_t line = __LINE__) + /// Asserts that a string does NOT end with the expected suffix. + static void notEndWith(T, U)(T actual, U expected, string reason = "", const string file = __FILE__, const size_t line = __LINE__) { - auto s = expect(actual, file, line).not.to.be.approximately(expected, delta); + auto s = expect(actual, file, line).not.to.endWith(expected); if(reason != "") { s.because(reason); } } - static void beNull(T)(T actual, string reason = "", const string file = __FILE__, const size_t line = __LINE__) + /// Asserts that a value contains the expected element. + static void contain(T, U)(T actual, U expected, string reason = "", const string file = __FILE__, const size_t line = __LINE__) { - auto s = expect(actual, file, line).to.beNull; + auto s = expect(actual, file, line).to.contain(expected); if(reason != "") { s.because(reason); } } - static void notNull(T)(T actual, string reason = "", const string file = __FILE__, const size_t line = __LINE__) + /// Asserts that a value does NOT contain the expected element. + static void notContain(T, U)(T actual, U expected, string reason = "", const string file = __FILE__, const size_t line = __LINE__) { - auto s = expect(actual, file, line).not.to.beNull; + auto s = expect(actual, file, line).not.to.contain(expected); if(reason != "") { s.because(reason); @@ -599,6 +364,7 @@ struct Assert { @("Assert works for base types") unittest { + Lifecycle.instance.disableFailureHandling = false; Assert.equal(1, 1, "they are the same value"); Assert.notEqual(1, 2, "they are not the same value"); @@ -624,8 +390,22 @@ unittest { Assert.notApproximately(1.5f, 1, 0.2f); } +// Issue #93: Assert.greaterOrEqualTo and Assert.lessOrEqualTo for numeric types +@("Assert.greaterOrEqualTo and lessOrEqualTo work for integers") +unittest { + Lifecycle.instance.disableFailureHandling = false; + Assert.greaterOrEqualTo(5, 3); + Assert.greaterOrEqualTo(5, 5); + Assert.notGreaterOrEqualTo(3, 5); + + Assert.lessOrEqualTo(3, 5); + Assert.lessOrEqualTo(5, 5); + Assert.notLessOrEqualTo(5, 3); +} + @("Assert works for objects") unittest { + Lifecycle.instance.disableFailureHandling = false; Object o = null; Assert.beNull(o, "it's a null"); Assert.notNull(new Object, "it's not a null"); @@ -633,6 +413,7 @@ unittest { @("Assert works for strings") unittest { + Lifecycle.instance.disableFailureHandling = false; Assert.equal("abcd", "abcd"); Assert.notEqual("abcd", "abwcd"); @@ -654,6 +435,7 @@ unittest { @("Assert works for ranges") unittest { + Lifecycle.instance.disableFailureHandling = false; Assert.equal([1, 2, 3], [1, 2, 3]); Assert.notEqual([1, 2, 3], [1, 1, 3]); @@ -664,18 +446,57 @@ unittest { Assert.notContainOnly([1, 2, 3], [3, 1]); } -void fluentHandler(string file, size_t line, string msg) nothrow { - import core.exception; +@("Assert works for callables - exceptions") +unittest { + Lifecycle.instance.disableFailureHandling = false; - auto message = new MessageResult("Assert failed. " ~ msg); - auto source = new SourceResult(file, line); + Assert.throwException({ throw new Exception("test"); }); + Assert.notThrowException({ }); - throw new AssertError(message.toString ~ "\n\n" ~ source.toString, file, line); + Assert.throwAnyException({ throw new Exception("test"); }); + Assert.notThrowAnyException({ }); } -void setupFluentHandler() { +@("Assert works for callables - GC memory") +unittest { + Lifecycle.instance.disableFailureHandling = false; + + ulong delegate() allocates = { auto arr = new int[100]; return arr.length; }; + ulong delegate() noAlloc = { int x = 42; return x; }; + + Assert.allocateGCMemory(allocates); + Assert.notAllocateGCMemory(noAlloc); +} + +/// Custom assert handler that provides better error messages. +/// Replaces the default D runtime assert handler to show fluent-asserts style output. +void fluentHandler(string file, size_t line, string msg) @system nothrow { import core.exception; - core.exception.assertHandler = &fluentHandler; + import fluentasserts.core.evaluation.eval : Evaluation; + import fluentasserts.results.source.result : SourceResult; + + Evaluation evaluation; + evaluation.source = SourceResult.create(file, line); + evaluation.addOperationName("assert"); + evaluation.currentValue.typeNames.put("assert state"); + evaluation.expectedValue.typeNames.put("assert state"); + evaluation.isEvaluated = true; + evaluation.result.expected.put("true"); + evaluation.result.actual.put("false"); + evaluation.result.addText("Assert failed: " ~ msg); + + throw new AssertError(evaluation.toString(), file, line); +} + +/// Installs the fluent handler as the global assert handler. +/// Uses pragma(crt_constructor) to run before druntime initialization, +/// avoiding cyclic module dependency issues. +pragma(crt_constructor) +extern(C) void setupFluentHandler() { + version (unittest) { + import core.exception; + core.exception.assertHandler = &fluentHandler; + } } @("calls the fluent handler") @@ -692,7 +513,9 @@ unittest { assert(false, "What?"); } catch(Throwable t) { thrown = true; - t.msg.should.startWith("Assert failed. What?\n"); + t.msg.should.contain("Assert failed: What?"); + t.msg.should.contain("ACTUAL:"); + t.msg.should.contain("EXPECTED:"); } thrown.should.equal(true); diff --git a/source/fluentasserts/core/basetype.d b/source/fluentasserts/core/basetype.d deleted file mode 100644 index c296d5a6..00000000 --- a/source/fluentasserts/core/basetype.d +++ /dev/null @@ -1,249 +0,0 @@ -module fluentasserts.core.basetype; - -public import fluentasserts.core.base; -import fluentasserts.core.results; - -import std.string; -import std.conv; -import std.algorithm; - -@("lazy number that throws propagates the exception") -unittest { - int someLazyInt() { - throw new Exception("This is it."); - } - - ({ - someLazyInt.should.equal(3); - }).should.throwAnyException.withMessage("This is it."); - - ({ - someLazyInt.should.be.greaterThan(3); - }).should.throwAnyException.withMessage("This is it."); - - ({ - someLazyInt.should.be.lessThan(3); - }).should.throwAnyException.withMessage("This is it."); - - ({ - someLazyInt.should.be.between(3, 4); - }).should.throwAnyException.withMessage("This is it."); - - ({ - someLazyInt.should.be.approximately(3, 4); - }).should.throwAnyException.withMessage("This is it."); -} - -@("numbers equal") -unittest { - ({ - 5.should.equal(5); - 5.should.not.equal(6); - }).should.not.throwAnyException; - - auto msg = ({ - 5.should.equal(6); - }).should.throwException!TestException.msg; - - msg.split("\n")[0].should.equal("5 should equal 6. 5 is not equal to 6. "); - - msg = ({ - 5.should.not.equal(5); - }).should.throwException!TestException.msg; - - msg.split("\n")[0].should.equal("5 should not equal 5. 5 is equal to 5. "); -} - -@("bools equal") -unittest { - ({ - true.should.equal(true); - true.should.not.equal(false); - }).should.not.throwAnyException; - - auto msg = ({ - true.should.equal(false); - }).should.throwException!TestException.msg; - - msg.split("\n")[0].should.equal("true should equal false. "); - msg.split("\n")[2].strip.should.equal("Expected:false"); - msg.split("\n")[3].strip.should.equal("Actual:true"); - - msg = ({ - true.should.not.equal(true); - }).should.throwException!TestException.msg; - - msg.split("\n")[0].should.equal("true should not equal true. "); - msg.split("\n")[2].strip.should.equal("Expected:not true"); - msg.split("\n")[3].strip.should.equal("Actual:true"); -} - -@("numbers greater than") -unittest { - ({ - 5.should.be.greaterThan(4); - 5.should.not.be.greaterThan(6); - - 5.should.be.above(4); - 5.should.not.be.above(6); - }).should.not.throwAnyException; - - auto msg = ({ - 5.should.be.greaterThan(5); - 5.should.be.above(5); - }).should.throwException!TestException.msg; - - msg.split("\n")[0].should.equal("5 should be greater than 5. 5 is less than or equal to 5."); - - msg = ({ - 5.should.not.be.greaterThan(4); - 5.should.not.be.above(4); - }).should.throwException!TestException.msg; - - msg.split("\n")[0].should.equal("5 should not be greater than 4. 5 is greater than 4."); -} - -@("numbers less than") -unittest { - ({ - 5.should.be.lessThan(6); - 5.should.not.be.lessThan(4); - - 5.should.be.below(6); - 5.should.not.be.below(4); - }).should.not.throwAnyException; - - auto msg = ({ - 5.should.be.lessThan(4); - 5.should.be.below(4); - }).should.throwException!TestException.msg; - - msg.split("\n")[0].should.equal("5 should be less than 4. 5 is greater than or equal to 4."); - msg.split("\n")[2].strip.should.equal("Expected:less than 4"); - msg.split("\n")[3].strip.should.equal("Actual:5"); - - msg = ({ - 5.should.not.be.lessThan(6); - 5.should.not.be.below(6); - }).should.throwException!TestException.msg; - - msg.split("\n")[0].should.equal("5 should not be less than 6. 5 is less than 6."); -} - -@("numbers between") -unittest { - ({ - 5.should.be.between(4, 6); - 5.should.be.between(6, 4); - 5.should.not.be.between(5, 6); - 5.should.not.be.between(4, 5); - - 5.should.be.within(4, 6); - 5.should.be.within(6, 4); - 5.should.not.be.within(5, 6); - 5.should.not.be.within(4, 5); - }).should.not.throwAnyException; - - auto msg = ({ - 5.should.be.between(5, 6); - 5.should.be.within(5, 6); - }).should.throwException!TestException.msg; - - msg.split("\n")[0].should.equal("5 should be between 5 and 6. 5 is less than or equal to 5."); - msg.split("\n")[2].strip.should.equal("Expected:a value inside (5, 6) interval"); - msg.split("\n")[3].strip.should.equal("Actual:5"); - - msg = ({ - 5.should.be.between(4, 5); - 5.should.be.within(4, 5); - }).should.throwException!TestException.msg; - - msg.split("\n")[0].should.equal("5 should be between 4 and 5. 5 is greater than or equal to 5."); - msg.split("\n")[2].strip.should.equal("Expected:a value inside (4, 5) interval"); - msg.split("\n")[3].strip.should.equal("Actual:5"); - - msg = ({ - 5.should.not.be.between(4, 6); - 5.should.not.be.within(4, 6); - }).should.throwException!TestException.msg; - - msg.split("\n")[0].strip.should.equal("5 should not be between 4 and 6."); - msg.split("\n")[2].strip.should.equal("Expected:a value outside (4, 6) interval"); - msg.split("\n")[3].strip.should.equal("Actual:5"); - - msg = ({ - 5.should.not.be.between(6, 4); - 5.should.not.be.within(6, 4); - }).should.throwException!TestException.msg; - - msg.split("\n")[0].strip.should.equal("5 should not be between 6 and 4."); - msg.split("\n")[2].strip.should.equal("Expected:a value outside (4, 6) interval"); - msg.split("\n")[3].strip.should.equal("Actual:5"); -} - -@("numbers approximately") -unittest { - ({ - (10f/3f).should.be.approximately(3, 0.34); - (10f/3f).should.not.be.approximately(3, 0.1); - }).should.not.throwAnyException; - - auto msg = ({ - (10f/3f).should.be.approximately(3, 0.1); - }).should.throwException!TestException.msg; - - msg.split("\n")[0].strip.should.contain("(10f/3f) should be approximately 3±0.1."); - msg.split("\n")[2].strip.should.contain("Expected:3±0.1"); - msg.split("\n")[3].strip.should.contain("Actual:3.33333"); - - msg = ({ - (10f/3f).should.not.be.approximately(3, 0.34); - }).should.throwException!TestException.msg; - - msg.split("\n")[0].strip.should.contain("(10f/3f) should not be approximately 3±0.34."); - msg.split("\n")[2].strip.should.contain("Expected:not 3±0.34"); - msg.split("\n")[3].strip.should.contain("Actual:3.33333"); -} - -@("delegates returning basic types that throw propagate the exception") -unittest { - int value() { - throw new Exception("not implemented value"); - } - - void voidValue() { - throw new Exception("nothing here"); - } - - void noException() { } - - value().should.throwAnyException.withMessage.equal("not implemented value"); - voidValue().should.throwAnyException.withMessage.equal("nothing here"); - - bool thrown; - - try { - noException.should.throwAnyException; - } catch (TestException e) { - e.msg.should.startWith("noException should throw any exception. No exception was thrown."); - thrown = true; - } - thrown.should.equal(true); - - thrown = false; - - try { - voidValue().should.not.throwAnyException; - } catch(TestException e) { - thrown = true; - e.msg.split("\n")[0].should.equal("voidValue() should not throw any exception. `object.Exception` saying `nothing here` was thrown."); - } - - thrown.should.equal(true); -} - -@("compiles const comparison") -unittest { - const actual = 42; - actual.should.equal(42); -} diff --git a/source/fluentasserts/core/callable.d b/source/fluentasserts/core/callable.d deleted file mode 100644 index dc8af509..00000000 --- a/source/fluentasserts/core/callable.d +++ /dev/null @@ -1,208 +0,0 @@ -module fluentasserts.core.callable; - -public import fluentasserts.core.base; -import std.string; -import std.datetime; -import std.conv; -import std.traits; - -import fluentasserts.core.results; - -@safe: -/// -struct ShouldCallable(T) { - private { - T callable; - } - - mixin ShouldCommons; - mixin ShouldThrowableCommons; - - /// - this(lazy T callable) { - auto result = callable.evaluate; - - valueEvaluation = result.evaluation; - this.callable = result.value; - } - - /// - auto haveExecutionTime(string file = __FILE__, size_t line = __LINE__) { - validateException; - - auto tmpShould = ShouldBaseType!Duration(evaluate(valueEvaluation.duration)).forceMessage(" have execution time"); - - return tmpShould; - } - - /// - auto beNull(string file = __FILE__, size_t line = __LINE__) { - validateException; - - addMessage(" be "); - addValue("null"); - beginCheck; - - bool isNull = callable is null; - - string expected; - - static if(isDelegate!callable) { - string actual = callable.ptr.to!string; - } else { - string actual = (cast(void*)callable).to!string; - } - - if(expectedValue) { - expected = "null"; - } else { - expected = "not null"; - } - - return result(isNull, [], new ExpectedActualResult(expected, actual), file, line); - } -} - -@("catches any exception") -unittest { - ({ - throw new Exception("test"); - }).should.throwAnyException.msg.should.equal("test"); -} - -@("catches any assert") -unittest { - ({ - assert(false, "test"); - }).should.throwSomething.withMessage.equal("test"); -} - -@("uses withMessage without a custom assert") -unittest { - ({ - assert(false, "test"); - }).should.throwSomething.withMessage("test"); -} - -@("catches a certain exception type") -unittest { - class CustomException : Exception { - this(string msg, string fileName = "", size_t line = 0, Throwable next = null) { - super(msg, fileName, line, next); - } - } - - ({ - throw new CustomException("test"); - }).should.throwException!CustomException.withMessage("test"); - - bool hasException; - try { - ({ - throw new Exception("test"); - }).should.throwException!CustomException.withMessage("test"); - } catch(TestException t) { - hasException = true; - assert(t.msg.indexOf("should throw exception") != -1); - assert(t.msg.indexOf("with message") != -1); - assert(t.msg.indexOf("`object.Exception` saying `test` was thrown.") != -1); - } - hasException.should.equal(true).because("we want to catch a CustomException not an Exception"); -} - -@("retrieves a typed version of a custom exception") -unittest { - class CustomException : Exception { - int data; - this(int data, string msg, string fileName = "", size_t line = 0, Throwable next = null) { - super(msg, fileName, line, next); - - this.data = data; - } - } - - auto thrown = ({ - throw new CustomException(2, "test"); - }).should.throwException!CustomException.thrown; - - thrown.should.not.beNull; - thrown.msg.should.equal("test"); - (cast(CustomException) thrown).data.should.equal(2); -} - -@("fails when an exception is not thrown") -unittest { - auto thrown = false; - try { - ({ }).should.throwAnyException; - } catch(TestException e) { - thrown = true; - e.msg.split("\n")[0].should.equal("({ }) should throw any exception. No exception was thrown."); - } - - thrown.should.equal(true); -} - -@("fails when an exception is not expected") -unittest { - auto thrown = false; - try { - ({ - throw new Exception("test"); - }).should.not.throwAnyException; - } catch(TestException e) { - thrown = true; - e.msg.split("\n")[2].should.equal(" }) should not throw any exception. `object.Exception` saying `test` was thrown."); - } - - thrown.should.equal(true); -} - -@("benchmarks some code") -unittest { - ({ - - }).should.haveExecutionTime.lessThan(1.seconds); -} - -@("fails on benchmark timeout") -unittest { - import core.thread; - - TestException exception = null; - - try { - ({ - Thread.sleep(2.msecs); - }).should.haveExecutionTime.lessThan(1.msecs); - } catch(TestException e) { - exception = e; - } - - exception.should.not.beNull.because("we wait 20 milliseconds"); - exception.msg.should.startWith("({\n Thread.sleep(2.msecs);\n }) should have execution time less than 1 ms."); -} - -@("checks if a delegate is null") -unittest { - void delegate() action; - action.should.beNull; - - ({ }).should.not.beNull; - - auto msg = ({ - action.should.not.beNull; - }).should.throwException!TestException.msg; - - msg.should.startWith("action should not be null."); - msg.should.contain("Expected:not null"); - msg.should.contain("Actual:null"); - - msg = ({ - ({ }).should.beNull; - }).should.throwException!TestException.msg; - - msg.should.startWith("({ }) should be null."); - msg.should.contain("Expected:null\n"); - msg.should.not.contain("Actual:null\n"); -} diff --git a/source/fluentasserts/core/config.d b/source/fluentasserts/core/config.d new file mode 100644 index 00000000..c3cf44e4 --- /dev/null +++ b/source/fluentasserts/core/config.d @@ -0,0 +1,133 @@ +/// Centralized configuration for fluent-asserts. +/// Contains all configurable constants and settings. +module fluentasserts.core.config; + +import std.process : environment; + +/// Output format for assertion failure messages. +enum OutputFormat { + verbose, + compact, + tap +} + +/// Compile-time check for whether assertions are enabled. +/// +/// By default, assertions are enabled in debug builds and disabled in release builds. +/// This allows using fluent-asserts as a replacement for D's built-in assert +/// while maintaining the same release-build behavior. +/// +/// Build configurations: +/// - Debug build (default): assertions enabled +/// - Release build (`-release` or `dub build -b release`): assertions disabled (no-op) +/// - Force disable: add version `D_Disable_FluentAsserts` to disable even in debug +/// - Force enable in release: add version `FluentAssertsDebug` to enable in release builds +/// +/// Example dub.sdl configuration to force enable in release: +/// --- +/// versions "FluentAssertsDebug" +/// --- +/// +/// Example dub.sdl configuration to always disable: +/// --- +/// versions "D_Disable_FluentAsserts" +/// --- +version (D_Disable_FluentAsserts) { + enum fluentAssertsEnabled = false; +} else version (release) { + version (FluentAssertsDebug) { + enum fluentAssertsEnabled = true; + } else { + enum fluentAssertsEnabled = false; + } +} else { + enum fluentAssertsEnabled = true; +} + +/// Singleton configuration struct for fluent-asserts. +/// Provides centralized access to all configurable settings. +struct FluentAssertsConfig { + /// Buffer and array size settings. + struct BufferSizes { + /// Default size for FixedArray and FixedAppender. + enum defaultFixedArraySize = 512; + + /// Default size for FixedStringArray. + enum defaultStringArraySize = 32; + + /// Buffer size for diff output. + enum diffBufferSize = 4096; + + /// Maximum message segments in assertion result. + enum maxMessageSegments = 32; + + /// Buffer size for expected/actual value formatting. + enum expectedActualBufferSize = 512; + + /// Maximum operation names that can be chained. + enum maxOperationNames = 8; + } + + /// Display and formatting options. + struct Display { + /// Maximum length for values displayed in assertion messages. + /// Longer values are truncated. + enum maxMessageValueLength = 80; + + /// Width for line number padding in diff output. + enum defaultLineNumberWidth = 5; + + /// Number of context lines shown around diff changes. + enum contextLines = 2; + } + + /// Numeric conversion settings. + struct NumericConversion { + /// Maximum decimal places for floating point conversion. + enum floatingPointDecimals = 6; + + /// Buffer size for integer digit conversion (enough for ulong max). + enum digitConversionBufferSize = 20; + + /// Bytes per kilobyte for memory formatting. + enum bytesPerKilobyte = 1024; + } + + /// Shorthand access to buffer sizes. + alias buffers = BufferSizes; + + /// Shorthand access to display options. + alias display = Display; + + /// Shorthand access to numeric conversion settings. + alias numeric = NumericConversion; + + /// Output format settings. + struct Output { + private static OutputFormat _format = OutputFormat.verbose; + private static bool _initialized = false; + + static OutputFormat format() @safe nothrow { + if (!_initialized) { + _initialized = true; + try { + if (environment.get("CLAUDECODE") == "1") { + _format = OutputFormat.compact; + } + } catch (Exception) { + } + } + return _format; + } + + static void setFormat(OutputFormat fmt) @safe nothrow { + _format = fmt; + _initialized = true; + } + } + + alias output = Output; +} + +/// Global configuration instance. +alias config = FluentAssertsConfig; diff --git a/source/fluentasserts/core/conversion/digits.d b/source/fluentasserts/core/conversion/digits.d new file mode 100644 index 00000000..b5b4031f --- /dev/null +++ b/source/fluentasserts/core/conversion/digits.d @@ -0,0 +1,182 @@ +module fluentasserts.core.conversion.digits; + +import fluentasserts.core.memory.heapstring : HeapString, toHeapString; +import fluentasserts.core.conversion.types : DigitsResult; + +version (unittest) { + import fluent.asserts; +} + +/// Checks if a character is a decimal digit (0-9). +/// +/// Params: +/// c = The character to check +/// +/// Returns: +/// true if the character is between '0' and '9', false otherwise. +bool isDigit(char c) @safe nothrow @nogc { + return c >= '0' && c <= '9'; +} + +/// Parses consecutive digits into a long value with overflow detection. +/// +/// Params: +/// input = The string to parse +/// i = Starting position in the string +/// +/// Returns: +/// A DigitsResult containing the parsed value and status. +DigitsResult!long parseDigitsLong(HeapString input, size_t i) @safe nothrow @nogc { + DigitsResult!long result; + result.position = i; + + while (result.position < input.length && isDigit(input[result.position])) { + result.hasDigits = true; + int digit = input[result.position] - '0'; + + if (result.value > (long.max - digit) / 10) { + result.overflow = true; + return result; + } + + result.value = result.value * 10 + digit; + result.position++; + } + + return result; +} + +/// Parses consecutive digits into a ulong value with overflow detection. +/// +/// Params: +/// input = The string to parse +/// i = Starting position in the string +/// +/// Returns: +/// A DigitsResult containing the parsed value and status. +DigitsResult!ulong parseDigitsUlong(HeapString input, size_t i) @safe nothrow @nogc { + DigitsResult!ulong result; + result.position = i; + + while (result.position < input.length && isDigit(input[result.position])) { + result.hasDigits = true; + uint digit = input[result.position] - '0'; + + if (result.value > (ulong.max - digit) / 10) { + result.overflow = true; + return result; + } + + result.value = result.value * 10 + digit; + result.position++; + } + + return result; +} + +/// Parses consecutive digits into an int value. +/// +/// Params: +/// input = The string to parse +/// i = Starting position in the string +/// +/// Returns: +/// A DigitsResult containing the parsed value and status. +DigitsResult!int parseDigitsInt(HeapString input, size_t i) @safe nothrow @nogc { + DigitsResult!int result; + result.position = i; + + while (result.position < input.length && isDigit(input[result.position])) { + result.hasDigits = true; + result.value = result.value * 10 + (input[result.position] - '0'); + result.position++; + } + + return result; +} + +// --------------------------------------------------------------------------- +// Unit tests +// --------------------------------------------------------------------------- + +@("isDigit returns true for '0'") +unittest { + expect(isDigit('0')).to.equal(true); +} + +@("isDigit returns true for '9'") +unittest { + expect(isDigit('9')).to.equal(true); +} + +@("isDigit returns true for '5'") +unittest { + expect(isDigit('5')).to.equal(true); +} + +@("isDigit returns false for 'a'") +unittest { + expect(isDigit('a')).to.equal(false); +} + +@("isDigit returns false for ' '") +unittest { + expect(isDigit(' ')).to.equal(false); +} + +@("isDigit returns false for '-'") +unittest { + expect(isDigit('-')).to.equal(false); +} + +@("parseDigitsLong parses simple number") +unittest { + auto result = parseDigitsLong(toHeapString("12345"), 0); + expect(result.hasDigits).to.equal(true); + expect(result.overflow).to.equal(false); + expect(result.value).to.equal(12345); + expect(result.position).to.equal(5); +} + +@("parseDigitsLong parses from offset") +unittest { + auto result = parseDigitsLong(toHeapString("abc123def"), 3); + expect(result.hasDigits).to.equal(true); + expect(result.value).to.equal(123); + expect(result.position).to.equal(6); +} + +@("parseDigitsLong handles no digits") +unittest { + auto result = parseDigitsLong(toHeapString("abc"), 0); + expect(result.hasDigits).to.equal(false); + expect(result.position).to.equal(0); +} + +@("parseDigitsLong detects overflow") +unittest { + auto result = parseDigitsLong(toHeapString("99999999999999999999"), 0); + expect(result.overflow).to.equal(true); +} + +@("parseDigitsUlong parses large number") +unittest { + auto result = parseDigitsUlong(toHeapString("12345678901234567890"), 0); + expect(result.hasDigits).to.equal(true); + expect(result.overflow).to.equal(false); + expect(result.value).to.equal(12345678901234567890UL); +} + +@("parseDigitsUlong detects overflow") +unittest { + auto result = parseDigitsUlong(toHeapString("99999999999999999999"), 0); + expect(result.overflow).to.equal(true); +} + +@("parseDigitsInt parses number") +unittest { + auto result = parseDigitsInt(toHeapString("42"), 0); + expect(result.hasDigits).to.equal(true); + expect(result.value).to.equal(42); +} + diff --git a/source/fluentasserts/core/conversion/floats.d b/source/fluentasserts/core/conversion/floats.d new file mode 100644 index 00000000..4df9f546 --- /dev/null +++ b/source/fluentasserts/core/conversion/floats.d @@ -0,0 +1,268 @@ +module fluentasserts.core.conversion.floats; + +import fluentasserts.core.memory.heapstring : HeapString, toHeapString; +import fluentasserts.core.conversion.types : ParsedResult, FractionResult; +import fluentasserts.core.conversion.digits : isDigit, parseDigitsInt; +import fluentasserts.core.conversion.integers : applySign, computeMultiplier; + +version (unittest) { + import fluent.asserts; +} + +/// Parses a string as a double value. +/// +/// A simple parser for numeric strings that handles integers, decimals, +/// and scientific notation (e.g., "1.0032e+06"). +/// +/// Params: +/// s = The string to parse +/// success = Output parameter set to true if parsing succeeded +/// +/// Returns: +/// The parsed double value, or 0.0 if parsing failed. +double parseDouble(const(char)[] s, out bool success) @nogc nothrow pure @safe { + success = false; + if (s.length == 0) { + return 0.0; + } + + double result = 0.0; + double fraction = 0.1; + bool negative = false; + bool seenDot = false; + bool seenDigit = false; + size_t i = 0; + + if (s[0] == '-') { + negative = true; + i = 1; + } else if (s[0] == '+') { + i = 1; + } + + for (; i < s.length; i++) { + char c = s[i]; + if (c >= '0' && c <= '9') { + seenDigit = true; + if (seenDot) { + result += (c - '0') * fraction; + fraction *= 0.1; + } else { + result = result * 10 + (c - '0'); + } + } else if (c == '.' && !seenDot) { + seenDot = true; + } else if ((c == 'e' || c == 'E') && seenDigit) { + // Handle scientific notation + i++; + if (i >= s.length) { + return 0.0; + } + + bool expNegative = false; + if (s[i] == '-') { + expNegative = true; + i++; + } else if (s[i] == '+') { + i++; + } + + if (i >= s.length) { + return 0.0; + } + + int exponent = 0; + bool seenExpDigit = false; + for (; i < s.length; i++) { + char ec = s[i]; + if (ec >= '0' && ec <= '9') { + seenExpDigit = true; + exponent = exponent * 10 + (ec - '0'); + } else { + return 0.0; + } + } + + if (!seenExpDigit) { + return 0.0; + } + + // Apply exponent + double multiplier = 1.0; + for (int j = 0; j < exponent; j++) { + multiplier *= 10.0; + } + + if (expNegative) { + result /= multiplier; + } else { + result *= multiplier; + } + + break; + } else { + return 0.0; + } + } + + if (!seenDigit) { + return 0.0; + } + + success = true; + return negative ? -result : result; +} + +/// Parses the fractional part of a floating point number. +/// +/// Expects to start after the decimal point. +/// +/// Params: +/// input = The string to parse +/// i = Starting position (after the decimal point) +/// +/// Returns: +/// A FractionResult containing the fractional value (between 0 and 1). +FractionResult!T parseFraction(T)(HeapString input, size_t i) @safe nothrow @nogc { + FractionResult!T result; + result.position = i; + + T fraction = 0; + T divisor = 1; + + while (result.position < input.length && isDigit(input[result.position])) { + result.hasDigits = true; + fraction = fraction * 10 + (input[result.position] - '0'); + divisor *= 10; + result.position++; + } + + result.value = fraction / divisor; + return result; +} + +/// Parses the exponent part of a floating point number in scientific notation. +/// +/// Expects to start after the 'e' or 'E' character. +/// +/// Params: +/// input = The string to parse +/// i = Starting position (after 'e' or 'E') +/// baseValue = The mantissa value to apply the exponent to +/// +/// Returns: +/// A ParsedResult containing the value with exponent applied. +ParsedResult!T parseExponent(T)(HeapString input, size_t i, T baseValue) @safe nothrow @nogc { + if (i >= input.length) { + return ParsedResult!T(); + } + + bool expNegative = false; + if (input[i] == '-') { + expNegative = true; + i++; + } else if (input[i] == '+') { + i++; + } + + auto digits = parseDigitsInt(input, i); + + if (!digits.hasDigits || digits.position != input.length) { + return ParsedResult!T(); + } + + T multiplier = computeMultiplier!T(digits.value); + T value = expNegative ? baseValue / multiplier : baseValue * multiplier; + + return ParsedResult!T(value, true); +} + +/// Parses a floating point number from a string. +/// +/// Supports decimal notation and scientific notation. +/// +/// Params: +/// input = The string to parse +/// i = Starting position in the string +/// negative = Whether the value should be negated +/// +/// Returns: +/// A ParsedResult containing the parsed floating point value. +ParsedResult!T parseFloating(T)(HeapString input, size_t i, bool negative) @safe nothrow @nogc { + T value = 0; + bool hasDigits = false; + + while (i < input.length && isDigit(input[i])) { + hasDigits = true; + value = value * 10 + (input[i] - '0'); + i++; + } + + if (i < input.length && input[i] == '.') { + auto frac = parseFraction!T(input, i + 1); + hasDigits = hasDigits || frac.hasDigits; + value += frac.value; + i = frac.position; + } + + if (i < input.length && (input[i] == 'e' || input[i] == 'E')) { + auto expResult = parseExponent!T(input, i + 1, value); + if (!expResult.success) { + return ParsedResult!T(); + } + value = expResult.value; + i = input.length; + } + + if (i != input.length || !hasDigits) { + return ParsedResult!T(); + } + + return ParsedResult!T(applySign(value, negative), true); +} + +// --------------------------------------------------------------------------- +// Unit tests +// --------------------------------------------------------------------------- + +@("parseFraction parses .5") +unittest { + auto result = parseFraction!double(toHeapString("5"), 0); + expect(result.hasDigits).to.equal(true); + expect(result.value).to.be.approximately(0.5, 0.001); +} + +@("parseFraction parses .25") +unittest { + auto result = parseFraction!double(toHeapString("25"), 0); + expect(result.hasDigits).to.equal(true); + expect(result.value).to.be.approximately(0.25, 0.001); +} + +@("parseFraction parses .125") +unittest { + auto result = parseFraction!double(toHeapString("125"), 0); + expect(result.hasDigits).to.equal(true); + expect(result.value).to.be.approximately(0.125, 0.001); +} + +// Issue #100: parseDouble supports scientific notation for numeric comparison +@("parseDouble parses scientific notation 1.0032e+06") +unittest { + import std.math : abs; + bool success; + double val = parseDouble("1.0032e+06", success); + assert(success, "parseDouble should succeed for scientific notation"); + // Use approximate comparison for floating point + assert(abs(val - 1003200.0) < 0.01, "1.0032e+06 should parse to approximately 1003200.0"); +} + +// Issue #100: parseDouble supports integer strings for numeric comparison +@("parseDouble parses integer 1003200") +unittest { + bool success; + double val = parseDouble("1003200", success); + assert(success, "parseDouble should succeed for integer"); + assert(val == 1003200.0, "1003200 should parse to 1003200.0"); +} + diff --git a/source/fluentasserts/core/conversion/integers.d b/source/fluentasserts/core/conversion/integers.d new file mode 100644 index 00000000..7167a6cb --- /dev/null +++ b/source/fluentasserts/core/conversion/integers.d @@ -0,0 +1,204 @@ +module fluentasserts.core.conversion.integers; + +import fluentasserts.core.memory.heapstring : HeapString, toHeapString; +import fluentasserts.core.conversion.types : ParsedResult, SignResult; +import fluentasserts.core.conversion.digits : parseDigitsLong, parseDigitsUlong; + +version (unittest) { + import fluent.asserts; +} + +/// Parses an optional leading sign (+/-) from a string. +/// +/// For unsigned types, a negative sign results in an invalid result. +/// +/// Params: +/// input = The string to parse +/// +/// Returns: +/// A SignResult containing the position after the sign and validity status. +SignResult parseSign(T)(HeapString input) @safe nothrow @nogc { + SignResult result; + result.valid = true; + + if (input[0] == '-') { + static if (__traits(isUnsigned, T)) { + result.valid = false; + return result; + } else { + result.negative = true; + result.position = 1; + } + } else if (input[0] == '+') { + result.position = 1; + } + + if (result.position >= input.length) { + result.valid = false; + } + + return result; +} + +/// Checks if a long value is within the range of type T. +/// +/// Params: +/// value = The value to check +/// +/// Returns: +/// true if the value fits in type T, false otherwise. +bool isInRange(T)(long value) @safe nothrow @nogc { + static if (__traits(isUnsigned, T)) { + return value >= 0 && value <= T.max; + } else { + return value >= T.min && value <= T.max; + } +} + +/// Applies a sign to a value. +/// +/// Params: +/// value = The value to modify +/// negative = Whether to negate the value +/// +/// Returns: +/// The negated value if negative is true, otherwise the original value. +T applySign(T)(T value, bool negative) @safe nothrow @nogc { + return negative ? -value : value; +} + +/// Computes 10 raised to the power of exp. +/// +/// Params: +/// exp = The exponent +/// +/// Returns: +/// 10^exp as type T. +T computeMultiplier(T)(int exp) @safe nothrow @nogc { + T multiplier = 1; + foreach (_; 0 .. exp) { + multiplier *= 10; + } + return multiplier; +} + +/// Parses a string as an unsigned long value. +/// +/// Params: +/// input = The string to parse +/// i = Starting position in the string +/// +/// Returns: +/// A ParsedResult containing the parsed ulong value. +ParsedResult!ulong parseUlong(HeapString input, size_t i) @safe nothrow @nogc { + auto digits = parseDigitsUlong(input, i); + + if (!digits.hasDigits || digits.overflow || digits.position != input.length) { + return ParsedResult!ulong(); + } + + return ParsedResult!ulong(digits.value, true); +} + +/// Parses a string as a signed integral value. +/// +/// Params: +/// input = The string to parse +/// i = Starting position in the string +/// negative = Whether the value should be negated +/// +/// Returns: +/// A ParsedResult containing the parsed value. +ParsedResult!T parseSignedIntegral(T)(HeapString input, size_t i, bool negative) @safe nothrow @nogc { + auto digits = parseDigitsLong(input, i); + + if (!digits.hasDigits || digits.overflow || digits.position != input.length) { + return ParsedResult!T(); + } + + long value = applySign(digits.value, negative); + + if (!isInRange!T(value)) { + return ParsedResult!T(); + } + + return ParsedResult!T(cast(T) value, true); +} + +// --------------------------------------------------------------------------- +// Unit tests +// --------------------------------------------------------------------------- + +@("parseSign detects negative sign for int") +unittest { + auto result = parseSign!int(toHeapString("-42")); + expect(result.valid).to.equal(true); + expect(result.negative).to.equal(true); + expect(result.position).to.equal(1); +} + +@("parseSign detects positive sign") +unittest { + auto result = parseSign!int(toHeapString("+42")); + expect(result.valid).to.equal(true); + expect(result.negative).to.equal(false); + expect(result.position).to.equal(1); +} + +@("parseSign handles no sign") +unittest { + auto result = parseSign!int(toHeapString("42")); + expect(result.valid).to.equal(true); + expect(result.negative).to.equal(false); + expect(result.position).to.equal(0); +} + +@("parseSign rejects negative for unsigned") +unittest { + auto result = parseSign!uint(toHeapString("-42")); + expect(result.valid).to.equal(false); +} + +@("parseSign rejects sign-only string") +unittest { + auto result = parseSign!int(toHeapString("-")); + expect(result.valid).to.equal(false); +} + +@("isInRange returns true for value in byte range") +unittest { + expect(isInRange!byte(127)).to.equal(true); + expect(isInRange!byte(-128)).to.equal(true); +} + +@("isInRange returns false for value outside byte range") +unittest { + expect(isInRange!byte(128)).to.equal(false); + expect(isInRange!byte(-129)).to.equal(false); +} + +@("isInRange returns false for negative value in unsigned type") +unittest { + expect(isInRange!ubyte(-1)).to.equal(false); +} + +@("applySign negates when negative is true") +unittest { + expect(applySign(42, true)).to.equal(-42); +} + +@("applySign does not negate when negative is false") +unittest { + expect(applySign(42, false)).to.equal(42); +} + +@("computeMultiplier computes 10^0") +unittest { + expect(computeMultiplier!double(0)).to.be.approximately(1.0, 0.001); +} + +@("computeMultiplier computes 10^3") +unittest { + expect(computeMultiplier!double(3)).to.be.approximately(1000.0, 0.001); +} + diff --git a/source/fluentasserts/core/conversion/toheapstring.d b/source/fluentasserts/core/conversion/toheapstring.d new file mode 100644 index 00000000..f4a0025d --- /dev/null +++ b/source/fluentasserts/core/conversion/toheapstring.d @@ -0,0 +1,474 @@ +module fluentasserts.core.conversion.toheapstring; + +import fluentasserts.core.memory.heapstring : HeapString; +import fluentasserts.core.config : config = FluentAssertsConfig; + +version (unittest) { + import fluent.asserts; + import fluentasserts.core.memory.heapstring : toHeapString; +} + +// --------------------------------------------------------------------------- +// Result type +// --------------------------------------------------------------------------- + +/// Result type for string conversion operations. +/// Contains the string value and a success flag. +/// +/// Supports implicit conversion to bool for convenient use in conditions: +/// --- +/// if (auto result = toHeapString(42)) { +/// writeln(result.value[]); // "42" +/// } +/// --- +struct StringResult { + /// The string value. Only valid when `success` is true. + HeapString value; + + /// Indicates whether conversion succeeded. + bool success; + + /// Allows using StringResult directly in boolean contexts. + bool opCast(T : bool)() const @safe nothrow @nogc { + return success; + } +} + +// --------------------------------------------------------------------------- +// Main conversion function +// --------------------------------------------------------------------------- + +/// Converts a primitive value to a HeapString without GC allocations. +/// +/// Supports all integral types (bool, byte, ubyte, short, ushort, int, uint, long, ulong, char, wchar, dchar) +/// and floating point types (float, double, real). +/// +/// Params: +/// value = The primitive value to convert +/// +/// Returns: +/// A StringResult containing the string representation and success status. +/// +/// Features: +/// $(UL +/// $(LI @nogc, nothrow, @safe - no GC allocations or exceptions) +/// $(LI Handles negative numbers with '-' prefix) +/// $(LI Handles boolean values as "true" or "false") +/// $(LI Handles floating point with decimal notation) +/// ) +/// +/// Example: +/// --- +/// auto s1 = toHeapString(42); +/// assert(s1.success && s1.value[] == "42"); +/// +/// auto s2 = toHeapString(-123); +/// assert(s2.success && s2.value[] == "-123"); +/// +/// auto s3 = toHeapString(true); +/// assert(s3.success && s3.value[] == "true"); +/// +/// auto s4 = toHeapString(3.14); +/// assert(s4.success); +/// --- +StringResult toHeapString(T)(T value) @safe nothrow @nogc +if (__traits(isIntegral, T) || __traits(isFloating, T)) { + static if (is(T == bool)) { + return StringResult(toBoolString(value), true); + } else static if (__traits(isIntegral, T)) { + return StringResult(toIntegralString(value), true); + } else static if (__traits(isFloating, T)) { + return StringResult(toFloatingString(value), true); + } +} + +// --------------------------------------------------------------------------- +// Boolean conversion +// --------------------------------------------------------------------------- + +/// Converts a boolean value to a HeapString. +/// +/// Params: +/// value = The boolean value to convert +/// +/// Returns: +/// "true" or "false" as a HeapString. +HeapString toBoolString(bool value) @safe nothrow @nogc { + auto result = HeapString.create(value ? 4 : 5); + if (value) { + result.put("true"); + } else { + result.put("false"); + } + return result; +} + +// --------------------------------------------------------------------------- +// Integral conversion +// --------------------------------------------------------------------------- + +/// Converts an integral value to a HeapString. +/// +/// Handles signed and unsigned integers of all sizes. +/// +/// Params: +/// value = The integral value to convert +/// +/// Returns: +/// The string representation of the value. +HeapString toIntegralString(T)(T value) @safe nothrow @nogc +if (__traits(isIntegral, T) && !is(T == bool)) { + // Handle special case of 0 + if (value == 0) { + auto result = HeapString.create(1); + result.put("0"); + return result; + } + + // Determine if negative and get absolute value + bool isNegative = false; + static if (__traits(isUnsigned, T)) { + ulong absValue = value; + } else { + ulong absValue; + if (value < 0) { + isNegative = true; + // Handle T.min specially to avoid overflow + if (value == T.min) { + absValue = cast(ulong)(-(value + 1)) + 1; + } else { + absValue = cast(ulong)(-value); + } + } else { + absValue = cast(ulong)value; + } + } + + // Count digits + ulong temp = absValue; + size_t digitCount = 0; + while (temp > 0) { + digitCount++; + temp /= 10; + } + + // Calculate total length (digits + sign if negative) + size_t totalLength = digitCount + (isNegative ? 1 : 0); + auto result = HeapString.create(totalLength); + + // Add negative sign if needed + if (isNegative) { + result.put("-"); + } + + // Convert digits in reverse order, then reverse the string + char[config.numeric.digitConversionBufferSize] buffer; + size_t bufferIdx = 0; + + temp = absValue; + while (temp > 0) { + buffer[bufferIdx++] = cast(char)('0' + (temp % 10)); + temp /= 10; + } + + // Reverse and add to result + for (size_t i = bufferIdx; i > 0; i--) { + result.put(buffer[i - 1]); + } + + return result; +} + +// --------------------------------------------------------------------------- +// Floating point conversion +// --------------------------------------------------------------------------- + +/// Converts a floating point value to a HeapString. +/// +/// Handles float, double, and real types with reasonable precision. +/// +/// Params: +/// value = The floating point value to convert +/// +/// Returns: +/// The string representation of the value. +HeapString toFloatingString(T)(T value) @safe nothrow @nogc +if (__traits(isFloating, T)) { + // Handle special cases + if (value != value) { // NaN check + auto result = HeapString.create(3); + result.put("nan"); + return result; + } + + if (value == T.infinity) { + auto result = HeapString.create(3); + result.put("inf"); + return result; + } + + if (value == -T.infinity) { + auto result = HeapString.create(4); + result.put("-inf"); + return result; + } + + // Handle zero + if (value == 0.0) { + auto result = HeapString.create(1); + result.put("0"); + return result; + } + + auto result = HeapString.create(); + + // Handle negative + bool isNegative = value < 0; + if (isNegative) { + result.put("-"); + value = -value; + } + + // Get integral part + ulong integralPart = cast(ulong)value; + auto integralStr = toIntegralString(integralPart); + result.put(integralStr[]); + + // Get fractional part + T fractional = value - integralPart; + + // Only add decimal point if there's a fractional part + if (fractional > 0.0) { + result.put("."); + + // Convert up to configured decimal places + for (size_t i = 0; i < config.numeric.floatingPointDecimals && fractional > 0.0; i++) { + fractional *= 10; + int digit = cast(int)fractional; + result.put(cast(char)('0' + digit)); + fractional -= digit; + } + } + + return result; +} + +// --------------------------------------------------------------------------- +// Unit tests - bool conversion +// --------------------------------------------------------------------------- + +@("toHeapString converts true to 'true'") +unittest { + auto result = toHeapString(true); + expect(result.success).to.equal(true); + expect(result.value[]).to.equal("true"); +} + +@("toHeapString converts false to 'false'") +unittest { + auto result = toHeapString(false); + expect(result.success).to.equal(true); + expect(result.value[]).to.equal("false"); +} + +// --------------------------------------------------------------------------- +// Unit tests - integral conversion +// --------------------------------------------------------------------------- + +@("toHeapString converts zero") +unittest { + auto result = toHeapString(0); + expect(result.success).to.equal(true); + expect(result.value[]).to.equal("0"); +} + +@("toHeapString converts positive int") +unittest { + auto result = toHeapString(42); + expect(result.success).to.equal(true); + expect(result.value[]).to.equal("42"); +} + +@("toHeapString converts negative int") +unittest { + auto result = toHeapString(-42); + expect(result.success).to.equal(true); + expect(result.value[]).to.equal("-42"); +} + +@("toHeapString converts large number") +unittest { + auto result = toHeapString(123456789); + expect(result.success).to.equal(true); + expect(result.value[]).to.equal("123456789"); +} + +@("toHeapString converts byte max") +unittest { + auto result = toHeapString(cast(byte)127); + expect(result.success).to.equal(true); + expect(result.value[]).to.equal("127"); +} + +@("toHeapString converts byte min") +unittest { + auto result = toHeapString(cast(byte)-128); + expect(result.success).to.equal(true); + expect(result.value[]).to.equal("-128"); +} + +@("toHeapString converts ubyte max") +unittest { + auto result = toHeapString(cast(ubyte)255); + expect(result.success).to.equal(true); + expect(result.value[]).to.equal("255"); +} + +@("toHeapString converts short max") +unittest { + auto result = toHeapString(cast(short)32767); + expect(result.success).to.equal(true); + expect(result.value[]).to.equal("32767"); +} + +@("toHeapString converts short min") +unittest { + auto result = toHeapString(cast(short)-32768); + expect(result.success).to.equal(true); + expect(result.value[]).to.equal("-32768"); +} + +@("toHeapString converts int max") +unittest { + auto result = toHeapString(2147483647); + expect(result.success).to.equal(true); + expect(result.value[]).to.equal("2147483647"); +} + +@("toHeapString converts int min") +unittest { + auto result = toHeapString(-2147483648); + expect(result.success).to.equal(true); + expect(result.value[]).to.equal("-2147483648"); +} + +@("toHeapString converts long") +unittest { + auto result = toHeapString(9223372036854775807L); + expect(result.success).to.equal(true); + expect(result.value[]).to.equal("9223372036854775807"); +} + +@("toHeapString converts long min") +unittest { + long minValue = long.min; + auto result = toHeapString(minValue); + expect(result.success).to.equal(true); + expect(result.value[]).to.equal("-9223372036854775808"); +} + +@("toHeapString converts ulong max") +unittest { + auto result = toHeapString(18446744073709551615UL); + expect(result.success).to.equal(true); + expect(result.value[]).to.equal("18446744073709551615"); +} + +// --------------------------------------------------------------------------- +// Unit tests - floating point conversion +// --------------------------------------------------------------------------- + +@("toHeapString converts float zero") +unittest { + auto result = toHeapString(0.0f); + expect(result.success).to.equal(true); + expect(result.value[]).to.equal("0"); +} + +@("toHeapString converts double zero") +unittest { + auto result = toHeapString(0.0); + expect(result.success).to.equal(true); + expect(result.value[]).to.equal("0"); +} + +@("toHeapString converts positive float") +unittest { + auto result = toHeapString(3.14f); + expect(result.success).to.equal(true); + expect(result.value[]).to.startWith("3.14"); +} + +@("toHeapString converts negative float") +unittest { + auto result = toHeapString(-2.5f); + expect(result.success).to.equal(true); + expect(result.value[]).to.startWith("-2.5"); +} + +@("toHeapString converts float with no fractional part") +unittest { + auto result = toHeapString(42.0f); + expect(result.success).to.equal(true); + expect(result.value[]).to.equal("42"); +} + +@("toHeapString converts double") +unittest { + auto result = toHeapString(1.5); + expect(result.success).to.equal(true); + expect(result.value[]).to.startWith("1.5"); +} + +@("toHeapString converts float NaN") +unittest { + auto result = toHeapString(float.nan); + expect(result.success).to.equal(true); + expect(result.value[]).to.equal("nan"); +} + +@("toHeapString converts float infinity") +unittest { + auto result = toHeapString(float.infinity); + expect(result.success).to.equal(true); + expect(result.value[]).to.equal("inf"); +} + +@("toHeapString converts float negative infinity") +unittest { + auto result = toHeapString(-float.infinity); + expect(result.success).to.equal(true); + expect(result.value[]).to.equal("-inf"); +} + +@("toHeapString converts large float") +unittest { + auto result = toHeapString(123456.789f); + expect(result.success).to.equal(true); + expect(result.value[]).to.startWith("123456.78"); +} + +// --------------------------------------------------------------------------- +// Unit tests - character types +// --------------------------------------------------------------------------- + +@("toHeapString converts char") +unittest { + auto result = toHeapString(cast(char)65); + expect(result.success).to.equal(true); + expect(result.value[]).to.equal("65"); +} + +@("toHeapString converts wchar") +unittest { + auto result = toHeapString(cast(wchar)65); + expect(result.success).to.equal(true); + expect(result.value[]).to.equal("65"); +} + +@("toHeapString converts dchar") +unittest { + auto result = toHeapString(cast(dchar)65); + expect(result.success).to.equal(true); + expect(result.value[]).to.equal("65"); +} diff --git a/source/fluentasserts/core/conversion/tonumeric.d b/source/fluentasserts/core/conversion/tonumeric.d new file mode 100644 index 00000000..0cfedd0a --- /dev/null +++ b/source/fluentasserts/core/conversion/tonumeric.d @@ -0,0 +1,301 @@ +module fluentasserts.core.conversion.tonumeric; + +import fluentasserts.core.memory.heapstring : HeapString, toHeapString; +import fluentasserts.core.conversion.types : ParsedResult; +import fluentasserts.core.conversion.integers : parseSign, parseUlong, parseSignedIntegral; +import fluentasserts.core.conversion.floats : parseFloating; + +version (unittest) { + import fluent.asserts; +} + +/// Parses a string to a numeric type without GC allocations. +/// +/// Supports all integral types (byte, ubyte, short, ushort, int, uint, long, ulong) +/// and floating point types (float, double, real). +/// +/// Params: +/// input = The string to parse +/// +/// Returns: +/// A ParsedResult containing the parsed value and success status. +/// +/// Features: +/// $(UL +/// $(LI Handles optional leading '+' or '-' sign) +/// $(LI Detects overflow/underflow for bounded types) +/// $(LI Supports decimal notation for floats (e.g., "3.14")) +/// $(LI Supports scientific notation (e.g., "1.5e-3", "2E10")) +/// ) +/// +/// Example: +/// --- +/// auto r1 = toNumeric!int("42"); +/// assert(r1.success && r1.value == 42); +/// +/// auto r2 = toNumeric!double("3.14e2"); +/// assert(r2.success && r2.value == 314.0); +/// +/// auto r3 = toNumeric!int("not a number"); +/// assert(!r3.success); +/// --- +ParsedResult!T toNumeric(T)(HeapString input) @safe nothrow @nogc +if (__traits(isIntegral, T) || __traits(isFloating, T)) { + if (input.length == 0) { + return ParsedResult!T(); + } + + auto signResult = parseSign!T(input); + if (!signResult.valid) { + return ParsedResult!T(); + } + + static if (__traits(isFloating, T)) { + return parseFloating!T(input, signResult.position, signResult.negative); + } else static if (is(T == ulong)) { + return parseUlong(input, signResult.position); + } else { + return parseSignedIntegral!T(input, signResult.position, signResult.negative); + } +} + +// --------------------------------------------------------------------------- +// Unit tests - toNumeric (integral types) +// --------------------------------------------------------------------------- + +@("toNumeric parses positive int") +unittest { + auto result = toNumeric!int(toHeapString("42")); + expect(result.success).to.equal(true); + expect(result.value).to.equal(42); +} + +@("toNumeric parses negative int") +unittest { + auto result = toNumeric!int(toHeapString("-42")); + expect(result.success).to.equal(true); + expect(result.value).to.equal(-42); +} + +@("toNumeric parses zero") +unittest { + auto result = toNumeric!int(toHeapString("0")); + expect(result.success).to.equal(true); + expect(result.value).to.equal(0); +} + +@("toNumeric fails on empty string") +unittest { + auto result = toNumeric!int(toHeapString("")); + expect(result.success).to.equal(false); +} + +@("toNumeric fails on non-numeric string") +unittest { + auto result = toNumeric!int(toHeapString("abc")); + expect(result.success).to.equal(false); +} + +@("toNumeric fails on mixed content") +unittest { + auto result = toNumeric!int(toHeapString("42abc")); + expect(result.success).to.equal(false); +} + +@("toNumeric fails on negative for unsigned") +unittest { + auto result = toNumeric!uint(toHeapString("-1")); + expect(result.success).to.equal(false); +} + +@("toNumeric parses max byte value") +unittest { + auto result = toNumeric!byte(toHeapString("127")); + expect(result.success).to.equal(true); + expect(result.value).to.equal(127); +} + +@("toNumeric fails on overflow for byte") +unittest { + auto result = toNumeric!byte(toHeapString("128")); + expect(result.success).to.equal(false); +} + +@("toNumeric parses min byte value") +unittest { + auto result = toNumeric!byte(toHeapString("-128")); + expect(result.success).to.equal(true); + expect(result.value).to.equal(-128); +} + +@("toNumeric fails on underflow for byte") +unittest { + auto result = toNumeric!byte(toHeapString("-129")); + expect(result.success).to.equal(false); +} + +@("toNumeric parses ubyte") +unittest { + auto result = toNumeric!ubyte(toHeapString("255")); + expect(result.success).to.equal(true); + expect(result.value).to.equal(255); +} + +@("toNumeric parses short") +unittest { + auto result = toNumeric!short(toHeapString("32767")); + expect(result.success).to.equal(true); + expect(result.value).to.equal(32767); +} + +@("toNumeric parses ushort") +unittest { + auto result = toNumeric!ushort(toHeapString("65535")); + expect(result.success).to.equal(true); + expect(result.value).to.equal(65535); +} + +@("toNumeric parses long") +unittest { + auto result = toNumeric!long(toHeapString("9223372036854775807")); + expect(result.success).to.equal(true); + expect(result.value).to.equal(long.max); +} + +@("toNumeric parses ulong") +unittest { + auto result = toNumeric!ulong(toHeapString("12345678901234567890")); + expect(result.success).to.equal(true); + expect(result.value).to.equal(12345678901234567890UL); +} + +@("toNumeric handles leading plus sign") +unittest { + auto result = toNumeric!int(toHeapString("+42")); + expect(result.success).to.equal(true); + expect(result.value).to.equal(42); +} + +@("toNumeric fails on just minus sign") +unittest { + auto result = toNumeric!int(toHeapString("-")); + expect(result.success).to.equal(false); +} + +@("toNumeric fails on just plus sign") +unittest { + auto result = toNumeric!int(toHeapString("+")); + expect(result.success).to.equal(false); +} + +// --------------------------------------------------------------------------- +// Unit tests - toNumeric (floating point types) +// --------------------------------------------------------------------------- + +@("toNumeric parses positive float") +unittest { + auto result = toNumeric!float(toHeapString("3.14")); + expect(result.success).to.equal(true); + expect(result.value).to.be.approximately(3.14, 0.001); +} + +@("toNumeric parses negative float") +unittest { + auto result = toNumeric!float(toHeapString("-3.14")); + expect(result.success).to.equal(true); + expect(result.value).to.be.approximately(-3.14, 0.001); +} + +@("toNumeric parses double") +unittest { + auto result = toNumeric!double(toHeapString("123.456789")); + expect(result.success).to.equal(true); + expect(result.value).to.be.approximately(123.456789, 0.000001); +} + +@("toNumeric parses real") +unittest { + auto result = toNumeric!real(toHeapString("999.999")); + expect(result.success).to.equal(true); + expect(result.value).to.be.approximately(999.999, 0.001); +} + +@("toNumeric parses float without decimal part") +unittest { + auto result = toNumeric!float(toHeapString("42")); + expect(result.success).to.equal(true); + expect(result.value).to.be.approximately(42.0, 0.001); +} + +@("toNumeric parses float with trailing decimal") +unittest { + auto result = toNumeric!float(toHeapString("42.")); + expect(result.success).to.equal(true); + expect(result.value).to.be.approximately(42.0, 0.001); +} + +@("toNumeric parses float with scientific notation") +unittest { + auto result = toNumeric!double(toHeapString("1.5e3")); + expect(result.success).to.equal(true); + expect(result.value).to.be.approximately(1500.0, 0.001); +} + +@("toNumeric parses float with negative exponent") +unittest { + auto result = toNumeric!double(toHeapString("1.5e-3")); + expect(result.success).to.equal(true); + expect(result.value).to.be.approximately(0.0015, 0.0001); +} + +@("toNumeric parses float with uppercase E") +unittest { + auto result = toNumeric!double(toHeapString("2.5E2")); + expect(result.success).to.equal(true); + expect(result.value).to.be.approximately(250.0, 0.001); +} + +@("toNumeric parses float with positive exponent sign") +unittest { + auto result = toNumeric!double(toHeapString("1e+2")); + expect(result.success).to.equal(true); + expect(result.value).to.be.approximately(100.0, 0.001); +} + +@("toNumeric fails on invalid exponent") +unittest { + auto result = toNumeric!double(toHeapString("1e")); + expect(result.success).to.equal(false); +} + +@("toNumeric parses zero float") +unittest { + auto result = toNumeric!float(toHeapString("0.0")); + expect(result.success).to.equal(true); + expect(result.value).to.be.approximately(0.0, 0.001); +} + +// --------------------------------------------------------------------------- +// Unit tests - ParsedResult bool cast +// --------------------------------------------------------------------------- + +@("ParsedResult casts to bool for success") +unittest { + auto result = toNumeric!int(toHeapString("42")); + expect(cast(bool) result).to.equal(true); +} + +@("ParsedResult casts to bool for failure") +unittest { + auto result = toNumeric!int(toHeapString("abc")); + expect(cast(bool) result).to.equal(false); +} + +@("ParsedResult works in if condition") +unittest { + if (auto result = toNumeric!int(toHeapString("42"))) { + expect(result.value).to.equal(42); + } else { + expect(false).to.equal(true); + } +} diff --git a/source/fluentasserts/core/conversion/tostring.d b/source/fluentasserts/core/conversion/tostring.d new file mode 100644 index 00000000..08240dd6 --- /dev/null +++ b/source/fluentasserts/core/conversion/tostring.d @@ -0,0 +1,474 @@ +module fluentasserts.core.conversion.tostring; + +import fluentasserts.core.memory.heapstring : HeapString; + +version (unittest) { + import fluent.asserts; + import fluentasserts.core.memory.heapstring : toHeapString; +} + +// --------------------------------------------------------------------------- +// Result type +// --------------------------------------------------------------------------- + +/// Result type for string conversion operations. +/// Contains the string value and a success flag. +/// +/// Supports implicit conversion to bool for convenient use in conditions: +/// --- +/// if (auto result = toString(42)) { +/// writeln(result.value[]); // "42" +/// } +/// --- +struct StringResult { + /// The string value. Only valid when `success` is true. + HeapString value; + + /// Indicates whether conversion succeeded. + bool success; + + /// Allows using StringResult directly in boolean contexts. + bool opCast(T : bool)() const @safe nothrow @nogc { + return success; + } +} + +// --------------------------------------------------------------------------- +// Main conversion function +// --------------------------------------------------------------------------- + +/// Converts a primitive value to a HeapString without GC allocations. +/// +/// Supports all integral types (bool, byte, ubyte, short, ushort, int, uint, long, ulong, char, wchar, dchar) +/// and floating point types (float, double, real). +/// +/// Params: +/// value = The primitive value to convert +/// +/// Returns: +/// A StringResult containing the string representation and success status. +/// +/// Features: +/// $(UL +/// $(LI @nogc, nothrow, @safe - no GC allocations or exceptions) +/// $(LI Handles negative numbers with '-' prefix) +/// $(LI Handles boolean values as "true" or "false") +/// $(LI Handles floating point with decimal notation) +/// ) +/// +/// Example: +/// --- +/// auto s1 = toString(42); +/// assert(s1.success && s1.value[] == "42"); +/// +/// auto s2 = toString(-123); +/// assert(s2.success && s2.value[] == "-123"); +/// +/// auto s3 = toString(true); +/// assert(s3.success && s3.value[] == "true"); +/// +/// auto s4 = toString(3.14); +/// assert(s4.success); +/// --- +StringResult toString(T)(T value) @safe nothrow @nogc +if (__traits(isIntegral, T) || __traits(isFloating, T)) { + static if (is(T == bool)) { + return StringResult(toBoolString(value), true); + } else static if (__traits(isIntegral, T)) { + return StringResult(toIntegralString(value), true); + } else static if (__traits(isFloating, T)) { + return StringResult(toFloatingString(value), true); + } +} + +// --------------------------------------------------------------------------- +// Boolean conversion +// --------------------------------------------------------------------------- + +/// Converts a boolean value to a HeapString. +/// +/// Params: +/// value = The boolean value to convert +/// +/// Returns: +/// "true" or "false" as a HeapString. +HeapString toBoolString(bool value) @safe nothrow @nogc { + auto result = HeapString.create(value ? 4 : 5); + if (value) { + result.put("true"); + } else { + result.put("false"); + } + return result; +} + +// --------------------------------------------------------------------------- +// Integral conversion +// --------------------------------------------------------------------------- + +/// Converts an integral value to a HeapString. +/// +/// Handles signed and unsigned integers of all sizes. +/// +/// Params: +/// value = The integral value to convert +/// +/// Returns: +/// The string representation of the value. +HeapString toIntegralString(T)(T value) @safe nothrow @nogc +if (__traits(isIntegral, T) && !is(T == bool)) { + // Handle special case of 0 + if (value == 0) { + auto result = HeapString.create(1); + result.put("0"); + return result; + } + + // Determine if negative and get absolute value + bool isNegative = false; + static if (__traits(isUnsigned, T)) { + ulong absValue = value; + } else { + ulong absValue; + if (value < 0) { + isNegative = true; + // Handle T.min specially to avoid overflow + if (value == T.min) { + absValue = cast(ulong)(-(value + 1)) + 1; + } else { + absValue = cast(ulong)(-value); + } + } else { + absValue = cast(ulong)value; + } + } + + // Count digits + ulong temp = absValue; + size_t digitCount = 0; + while (temp > 0) { + digitCount++; + temp /= 10; + } + + // Calculate total length (digits + sign if negative) + size_t totalLength = digitCount + (isNegative ? 1 : 0); + auto result = HeapString.create(totalLength); + + // Add negative sign if needed + if (isNegative) { + result.put("-"); + } + + // Convert digits in reverse order, then reverse the string + char[20] buffer; // Enough for ulong max (20 digits) + size_t bufferIdx = 0; + + temp = absValue; + while (temp > 0) { + buffer[bufferIdx++] = cast(char)('0' + (temp % 10)); + temp /= 10; + } + + // Reverse and add to result + for (size_t i = bufferIdx; i > 0; i--) { + result.put(buffer[i - 1]); + } + + return result; +} + +// --------------------------------------------------------------------------- +// Floating point conversion +// --------------------------------------------------------------------------- + +/// Converts a floating point value to a HeapString. +/// +/// Handles float, double, and real types with reasonable precision. +/// +/// Params: +/// value = The floating point value to convert +/// +/// Returns: +/// The string representation of the value. +HeapString toFloatingString(T)(T value) @safe nothrow @nogc +if (__traits(isFloating, T)) { + // Handle special cases + if (value != value) { // NaN check + auto result = HeapString.create(3); + result.put("nan"); + return result; + } + + if (value == T.infinity) { + auto result = HeapString.create(3); + result.put("inf"); + return result; + } + + if (value == -T.infinity) { + auto result = HeapString.create(4); + result.put("-inf"); + return result; + } + + // Handle zero + if (value == 0.0) { + auto result = HeapString.create(1); + result.put("0"); + return result; + } + + auto result = HeapString.create(); + + // Handle negative + bool isNegative = value < 0; + if (isNegative) { + result.put("-"); + value = -value; + } + + // Get integral part + ulong integralPart = cast(ulong)value; + auto integralStr = toIntegralString(integralPart); + result.put(integralStr[]); + + // Get fractional part + T fractional = value - integralPart; + + // Only add decimal point if there's a fractional part + if (fractional > 0.0) { + result.put("."); + + // Convert up to 6 decimal places + enum maxDecimals = 6; + for (size_t i = 0; i < maxDecimals && fractional > 0.0; i++) { + fractional *= 10; + int digit = cast(int)fractional; + result.put(cast(char)('0' + digit)); + fractional -= digit; + } + } + + return result; +} + +// --------------------------------------------------------------------------- +// Unit tests - bool conversion +// --------------------------------------------------------------------------- + +@("toString converts true to 'true'") +unittest { + auto result = toString(true); + expect(result.success).to.equal(true); + expect(result.value[]).to.equal("true"); +} + +@("toString converts false to 'false'") +unittest { + auto result = toString(false); + expect(result.success).to.equal(true); + expect(result.value[]).to.equal("false"); +} + +// --------------------------------------------------------------------------- +// Unit tests - integral conversion +// --------------------------------------------------------------------------- + +@("toString converts zero") +unittest { + auto result = toString(0); + expect(result.success).to.equal(true); + expect(result.value[]).to.equal("0"); +} + +@("toString converts positive int") +unittest { + auto result = toString(42); + expect(result.success).to.equal(true); + expect(result.value[]).to.equal("42"); +} + +@("toString converts negative int") +unittest { + auto result = toString(-42); + expect(result.success).to.equal(true); + expect(result.value[]).to.equal("-42"); +} + +@("toString converts large number") +unittest { + auto result = toString(123456789); + expect(result.success).to.equal(true); + expect(result.value[]).to.equal("123456789"); +} + +@("toString converts byte max") +unittest { + auto result = toString(cast(byte)127); + expect(result.success).to.equal(true); + expect(result.value[]).to.equal("127"); +} + +@("toString converts byte min") +unittest { + auto result = toString(cast(byte)-128); + expect(result.success).to.equal(true); + expect(result.value[]).to.equal("-128"); +} + +@("toString converts ubyte max") +unittest { + auto result = toString(cast(ubyte)255); + expect(result.success).to.equal(true); + expect(result.value[]).to.equal("255"); +} + +@("toString converts short max") +unittest { + auto result = toString(cast(short)32767); + expect(result.success).to.equal(true); + expect(result.value[]).to.equal("32767"); +} + +@("toString converts short min") +unittest { + auto result = toString(cast(short)-32768); + expect(result.success).to.equal(true); + expect(result.value[]).to.equal("-32768"); +} + +@("toString converts int max") +unittest { + auto result = toString(2147483647); + expect(result.success).to.equal(true); + expect(result.value[]).to.equal("2147483647"); +} + +@("toString converts int min") +unittest { + auto result = toString(-2147483648); + expect(result.success).to.equal(true); + expect(result.value[]).to.equal("-2147483648"); +} + +@("toString converts long") +unittest { + auto result = toString(9223372036854775807L); + expect(result.success).to.equal(true); + expect(result.value[]).to.equal("9223372036854775807"); +} + +@("toString converts long min") +unittest { + long minValue = long.min; + auto result = toString(minValue); + expect(result.success).to.equal(true); + expect(result.value[]).to.equal("-9223372036854775808"); +} + +@("toString converts ulong max") +unittest { + auto result = toString(18446744073709551615UL); + expect(result.success).to.equal(true); + expect(result.value[]).to.equal("18446744073709551615"); +} + +// --------------------------------------------------------------------------- +// Unit tests - floating point conversion +// --------------------------------------------------------------------------- + +@("toString converts float zero") +unittest { + auto result = toString(0.0f); + expect(result.success).to.equal(true); + expect(result.value[]).to.equal("0"); +} + +@("toString converts double zero") +unittest { + auto result = toString(0.0); + expect(result.success).to.equal(true); + expect(result.value[]).to.equal("0"); +} + +@("toString converts positive float") +unittest { + auto result = toString(3.14f); + expect(result.success).to.equal(true); + expect(result.value[]).to.startWith("3.14"); +} + +@("toString converts negative float") +unittest { + auto result = toString(-2.5f); + expect(result.success).to.equal(true); + expect(result.value[]).to.startWith("-2.5"); +} + +@("toString converts float with no fractional part") +unittest { + auto result = toString(42.0f); + expect(result.success).to.equal(true); + expect(result.value[]).to.equal("42"); +} + +@("toString converts double") +unittest { + auto result = toString(1.5); + expect(result.success).to.equal(true); + expect(result.value[]).to.startWith("1.5"); +} + +@("toString converts float NaN") +unittest { + auto result = toString(float.nan); + expect(result.success).to.equal(true); + expect(result.value[]).to.equal("nan"); +} + +@("toString converts float infinity") +unittest { + auto result = toString(float.infinity); + expect(result.success).to.equal(true); + expect(result.value[]).to.equal("inf"); +} + +@("toString converts float negative infinity") +unittest { + auto result = toString(-float.infinity); + expect(result.success).to.equal(true); + expect(result.value[]).to.equal("-inf"); +} + +@("toString converts large float") +unittest { + auto result = toString(123456.789f); + expect(result.success).to.equal(true); + expect(result.value[]).to.startWith("123456.78"); +} + +// --------------------------------------------------------------------------- +// Unit tests - character types +// --------------------------------------------------------------------------- + +@("toString converts char") +unittest { + auto result = toString(cast(char)65); + expect(result.success).to.equal(true); + expect(result.value[]).to.equal("65"); +} + +@("toString converts wchar") +unittest { + auto result = toString(cast(wchar)65); + expect(result.success).to.equal(true); + expect(result.value[]).to.equal("65"); +} + +@("toString converts dchar") +unittest { + auto result = toString(cast(dchar)65); + expect(result.success).to.equal(true); + expect(result.value[]).to.equal("65"); +} diff --git a/source/fluentasserts/core/conversion/types.d b/source/fluentasserts/core/conversion/types.d new file mode 100644 index 00000000..a48bfaa0 --- /dev/null +++ b/source/fluentasserts/core/conversion/types.d @@ -0,0 +1,65 @@ +module fluentasserts.core.conversion.types; + +/// Result type for numeric parsing operations. +/// Contains the parsed value and a success flag. +/// +/// Supports implicit conversion to bool for convenient use in conditions: +/// --- +/// if (auto result = toNumeric!int("42")) { +/// writeln(result.value); // 42 +/// } +/// --- +struct ParsedResult(T) { + /// The parsed numeric value. Only valid when `success` is true. + T value; + + /// Indicates whether parsing succeeded. + bool success; + + /// Allows using ParsedResult directly in boolean contexts. + bool opCast(T : bool)() const @safe nothrow @nogc { + return success; + } +} + +/// Result of sign parsing operation. +/// Contains the position after the sign and whether the value is negative. +struct SignResult { + /// Position in the string after the sign character. + size_t position; + + /// Whether a negative sign was found. + bool negative; + + /// Whether the sign parsing was valid. + bool valid; +} + +/// Result of digit parsing operation. +/// Contains the parsed value, final position, and status flags. +struct DigitsResult(T) { + /// The accumulated numeric value. + T value; + + /// Position in the string after the last digit. + size_t position; + + /// Whether at least one digit was parsed. + bool hasDigits; + + /// Whether an overflow occurred during parsing. + bool overflow; +} + +/// Result of fraction parsing operation. +/// Contains the fractional value and parsing status. +struct FractionResult(T) { + /// The fractional value (between 0 and 1). + T value; + + /// Position in the string after the last digit. + size_t position; + + /// Whether at least one digit was parsed. + bool hasDigits; +} diff --git a/source/fluentasserts/core/diff/diff.d b/source/fluentasserts/core/diff/diff.d new file mode 100644 index 00000000..cdb67361 --- /dev/null +++ b/source/fluentasserts/core/diff/diff.d @@ -0,0 +1,231 @@ +/// Public API for computing diffs between HeapStrings. +module fluentasserts.core.diff.diff; + +import fluentasserts.core.diff.types : EditOp, DiffSegment, DiffResult; +import fluentasserts.core.diff.myers : computeEditScript, Edit, EditScript; +import fluentasserts.core.memory.heapstring : HeapString, toHeapString; + +@safe: + +/// Computes the diff between two HeapStrings. +/// Returns a list of DiffSegments with coalesced operations and line numbers. +DiffResult computeDiff(ref const HeapString a, ref const HeapString b) @nogc nothrow { + auto script = computeEditScript(a, b); + + return coalesce(script, a, b); +} + +/// Coalesces consecutive same-operation edits into segments with line tracking. +DiffResult coalesce( + ref EditScript script, + ref const HeapString a, + ref const HeapString b +) @nogc nothrow { + auto result = DiffResult.create(); + + if (script.length == 0) { + return result; + } + + size_t lineA = 0; + size_t lineB = 0; + + EditOp currentOp = script[0].op; + size_t currentLine = getLine(script[0], lineA, lineB); + HeapString currentText; + + foreach (i; 0 .. script.length) { + auto edit = script[i]; + size_t editLine = getLine(edit, lineA, lineB); + + if (edit.op != currentOp || editLine != currentLine) { + if (currentText.length > 0) { + result.put(DiffSegment(currentOp, currentText, currentLine)); + } + + currentOp = edit.op; + currentLine = editLine; + currentText = HeapString.create(); + } + + char c = getChar(edit, a, b); + currentText.put(c); + + if (c == '\n') { + if (edit.op == EditOp.equal || edit.op == EditOp.remove) { + lineA++; + } + + if (edit.op == EditOp.equal || edit.op == EditOp.insert) { + lineB++; + } + } + } + + if (currentText.length > 0) { + result.put(DiffSegment(currentOp, currentText, currentLine)); + } + + return result; +} + +/// Gets the line number for an edit operation. +size_t getLine(Edit edit, size_t lineA, size_t lineB) @nogc nothrow { + if (edit.op == EditOp.insert) { + return lineB; + } + + return lineA; +} + +/// Gets the character for an edit operation. +char getChar(Edit edit, ref const HeapString a, ref const HeapString b) @nogc nothrow { + if (edit.op == EditOp.insert) { + return b[edit.posB]; + } + + return a[edit.posA]; +} + +version (unittest) { + @("computes diff for identical strings") + unittest { + auto a = toHeapString("hello"); + auto b = toHeapString("hello"); + auto diff = computeDiff(a, b); + + assert(diff.length == 1); + assert(diff[0].op == EditOp.equal); + assert(diff[0].text == "hello"); + assert(diff[0].line == 0); + } + + @("computes diff for single character change") + unittest { + auto a = toHeapString("hello"); + auto b = toHeapString("hallo"); + auto diff = computeDiff(a, b); + + assert(diff.length == 4); + assert(diff[0].op == EditOp.equal); + assert(diff[0].text == "h"); + assert(diff[1].op == EditOp.remove); + assert(diff[1].text == "e"); + assert(diff[2].op == EditOp.insert); + assert(diff[2].text == "a"); + assert(diff[3].op == EditOp.equal); + assert(diff[3].text == "llo"); + } + + @("computes diff for empty strings") + unittest { + auto a = toHeapString(""); + auto b = toHeapString(""); + auto diff = computeDiff(a, b); + + assert(diff.length == 0); + } + + @("computes diff when first string is empty") + unittest { + auto a = toHeapString(""); + auto b = toHeapString("hello"); + auto diff = computeDiff(a, b); + + assert(diff.length == 1); + assert(diff[0].op == EditOp.insert); + assert(diff[0].text == "hello"); + } + + @("computes diff when second string is empty") + unittest { + auto a = toHeapString("hello"); + auto b = toHeapString(""); + auto diff = computeDiff(a, b); + + assert(diff.length == 1); + assert(diff[0].op == EditOp.remove); + assert(diff[0].text == "hello"); + } + + @("tracks line numbers for multiline diff") + unittest { + auto a = toHeapString("line1\nline2"); + auto b = toHeapString("line1\nchanged"); + auto diff = computeDiff(a, b); + + bool foundLine1Equal = false; + bool foundLine2Remove = false; + bool foundLine2Insert = false; + + foreach (i; 0 .. diff.length) { + auto seg = diff[i]; + + if (seg.op == EditOp.equal && seg.text == "line1\n") { + foundLine1Equal = true; + assert(seg.line == 0); + } + + if (seg.op == EditOp.remove && seg.line == 1) { + foundLine2Remove = true; + } + + if (seg.op == EditOp.insert && seg.line == 1) { + foundLine2Insert = true; + } + } + + assert(foundLine1Equal); + assert(foundLine2Remove); + assert(foundLine2Insert); + } + + @("handles prefix addition") + unittest { + auto a = toHeapString("world"); + auto b = toHeapString("hello world"); + auto diff = computeDiff(a, b); + + assert(diff.length == 2); + assert(diff[0].op == EditOp.insert); + assert(diff[0].text == "hello "); + assert(diff[1].op == EditOp.equal); + assert(diff[1].text == "world"); + } + + @("handles suffix addition") + unittest { + auto a = toHeapString("hello"); + auto b = toHeapString("hello world"); + auto diff = computeDiff(a, b); + + assert(diff.length == 2); + assert(diff[0].op == EditOp.equal); + assert(diff[0].text == "hello"); + assert(diff[1].op == EditOp.insert); + assert(diff[1].text == " world"); + } + + @("handles complete replacement") + unittest { + auto a = toHeapString("abc"); + auto b = toHeapString("xyz"); + auto diff = computeDiff(a, b); + + size_t removeCount = 0; + size_t insertCount = 0; + + foreach (i; 0 .. diff.length) { + if (diff[i].op == EditOp.remove) { + removeCount += diff[i].text.length; + } + + if (diff[i].op == EditOp.insert) { + insertCount += diff[i].text.length; + } + } + + assert(removeCount == 3); + assert(insertCount == 3); + } +} diff --git a/source/fluentasserts/core/diff/myers.d b/source/fluentasserts/core/diff/myers.d new file mode 100644 index 00000000..e64533ca --- /dev/null +++ b/source/fluentasserts/core/diff/myers.d @@ -0,0 +1,242 @@ +/// Core Myers diff algorithm implementation. +module fluentasserts.core.diff.myers; + +import fluentasserts.core.diff.types : EditOp; +import fluentasserts.core.diff.varray : VArray; +import fluentasserts.core.diff.snake : followSnake; +import fluentasserts.core.memory.heapstring : HeapString, HeapData; + +@safe: + +/// A single edit operation in the edit script. +struct Edit { + EditOp op; + size_t posA; + size_t posB; +} + +/// Edit script is a sequence of edit operations. +alias EditScript = HeapData!Edit; + +/// Computes the shortest edit script between two strings using Myers algorithm. +EditScript computeEditScript(ref const HeapString a, ref const HeapString b) @nogc nothrow { + auto lenA = a.length; + auto lenB = b.length; + + if (lenA == 0 && lenB == 0) { + return EditScript.create(); + } + + if (lenA == 0) { + return allInserts(lenB); + } + + if (lenB == 0) { + return allRemoves(lenA); + } + + auto maxD = lenA + lenB; + auto v = VArray.create(maxD); + auto history = HeapData!VArray.create(maxD + 1); + + v[1] = 0; + + foreach (d; 0 .. maxD + 1) { + history.put(v.dup()); + + foreach (kOffset; 0 .. d + 1) { + long k = -cast(long)d + cast(long)(kOffset * 2); + + long x; + if (k == -cast(long)d || (k != cast(long)d && v[k - 1] < v[k + 1])) { + x = v[k + 1]; + } else { + x = v[k - 1] + 1; + } + + long y = x - k; + + x = cast(long)followSnake(a, b, cast(size_t)x, cast(size_t)y); + + v[k] = x; + + if (x >= cast(long)lenA && x - k >= cast(long)lenB) { + return backtrack(history, d, lenA, lenB); + } + } + } + + return EditScript.create(); +} + +/// Backtracks through saved V arrays to reconstruct the edit path. +EditScript backtrack( + ref HeapData!VArray history, + size_t d, + size_t lenA, + size_t lenB +) @nogc nothrow { + auto result = EditScript.create(); + long x = cast(long)lenA; + long y = cast(long)lenB; + + foreach_reverse (di; 0 .. d + 1) { + auto v = history[di]; + long k = x - y; + + long prevK; + if (k == -cast(long)di || (k != cast(long)di && v[k - 1] < v[k + 1])) { + prevK = k + 1; + } else { + prevK = k - 1; + } + + long prevX = v[prevK]; + long prevY = prevX - prevK; + + while (x > prevX && y > prevY) { + x--; + y--; + result.put(Edit(EditOp.equal, cast(size_t)x, cast(size_t)y)); + } + + if (di > 0) { + if (x == prevX) { + y--; + result.put(Edit(EditOp.insert, cast(size_t)x, cast(size_t)y)); + } else { + x--; + result.put(Edit(EditOp.remove, cast(size_t)x, cast(size_t)y)); + } + } + } + + return reverse(result); +} + +/// Reverses an edit script. +EditScript reverse(ref EditScript script) @nogc nothrow { + auto result = EditScript.create(script.length); + + foreach_reverse (i; 0 .. script.length) { + result.put(script[i]); + } + + return result; +} + +/// Creates an edit script with all inserts. +EditScript allInserts(size_t count) @nogc nothrow { + auto script = EditScript.create(count); + + foreach (i; 0 .. count) { + script.put(Edit(EditOp.insert, 0, i)); + } + + return script; +} + +/// Creates an edit script with all removes. +EditScript allRemoves(size_t count) @nogc nothrow { + auto script = EditScript.create(count); + + foreach (i; 0 .. count) { + script.put(Edit(EditOp.remove, i, 0)); + } + + return script; +} + +version (unittest) { + import fluentasserts.core.memory.heapstring : toHeapString; + + @("computeEditScript returns empty for identical strings") + unittest { + auto a = toHeapString("abc"); + auto b = toHeapString("abc"); + auto script = computeEditScript(a, b); + + assert(script.length == 3); + + foreach (i; 0 .. script.length) { + assert(script[i].op == EditOp.equal); + } + } + + @("computeEditScript returns inserts for empty first string") + unittest { + auto a = toHeapString(""); + auto b = toHeapString("abc"); + auto script = computeEditScript(a, b); + + assert(script.length == 3); + + foreach (i; 0 .. script.length) { + assert(script[i].op == EditOp.insert); + } + } + + @("computeEditScript returns removes for empty second string") + unittest { + auto a = toHeapString("abc"); + auto b = toHeapString(""); + auto script = computeEditScript(a, b); + + assert(script.length == 3); + + foreach (i; 0 .. script.length) { + assert(script[i].op == EditOp.remove); + } + } + + @("computeEditScript handles single character change") + unittest { + auto a = toHeapString("abc"); + auto b = toHeapString("adc"); + auto script = computeEditScript(a, b); + + size_t equalCount = 0; + size_t removeCount = 0; + size_t insertCount = 0; + + foreach (i; 0 .. script.length) { + if (script[i].op == EditOp.equal) { + equalCount++; + } + + if (script[i].op == EditOp.remove) { + removeCount++; + } + + if (script[i].op == EditOp.insert) { + insertCount++; + } + } + + assert(equalCount == 2); + assert(removeCount == 1); + assert(insertCount == 1); + } + + @("allInserts creates correct script") + unittest { + auto script = allInserts(3); + + assert(script.length == 3); + assert(script[0].op == EditOp.insert); + assert(script[0].posB == 0); + assert(script[1].posB == 1); + assert(script[2].posB == 2); + } + + @("allRemoves creates correct script") + unittest { + auto script = allRemoves(3); + + assert(script.length == 3); + assert(script[0].op == EditOp.remove); + assert(script[0].posA == 0); + assert(script[1].posA == 1); + assert(script[2].posA == 2); + } +} diff --git a/source/fluentasserts/core/diff/snake.d b/source/fluentasserts/core/diff/snake.d new file mode 100644 index 00000000..e8263c5f --- /dev/null +++ b/source/fluentasserts/core/diff/snake.d @@ -0,0 +1,66 @@ +/// Snake-following logic for Myers diff algorithm. +module fluentasserts.core.diff.snake; + +import fluentasserts.core.memory.heapstring : HeapString; + +@safe: + +/// Follows a snake (diagonal) from the given position. +/// Returns the ending x coordinate after following all equal characters. +size_t followSnake( + ref const HeapString a, + ref const HeapString b, + size_t x, + size_t y +) @nogc nothrow { + while (x < a.length && y < b.length && a[x] == b[y]) { + x++; + y++; + } + + return x; +} + +version (unittest) { + import fluentasserts.core.memory.heapstring : toHeapString; + + @("followSnake advances through equal characters") + unittest { + auto a = toHeapString("abcdef"); + auto b = toHeapString("abcxyz"); + + auto result = followSnake(a, b, 0, 0); + + assert(result == 3); + } + + @("followSnake returns start position when first chars differ") + unittest { + auto a = toHeapString("abc"); + auto b = toHeapString("xyz"); + + auto result = followSnake(a, b, 0, 0); + + assert(result == 0); + } + + @("followSnake handles empty strings") + unittest { + auto a = toHeapString(""); + auto b = toHeapString("abc"); + + auto result = followSnake(a, b, 0, 0); + + assert(result == 0); + } + + @("followSnake advances from middle position") + unittest { + auto a = toHeapString("xxabcdef"); + auto b = toHeapString("yyabcxyz"); + + auto result = followSnake(a, b, 2, 2); + + assert(result == 5); + } +} diff --git a/source/fluentasserts/core/diff/types.d b/source/fluentasserts/core/diff/types.d new file mode 100644 index 00000000..91df6de9 --- /dev/null +++ b/source/fluentasserts/core/diff/types.d @@ -0,0 +1,23 @@ +/// Core types for the diff algorithm. +module fluentasserts.core.diff.types; + +import fluentasserts.core.memory.heapstring : HeapString, HeapData; + +@safe: + +/// Represents the type of a diff operation. +enum EditOp : ubyte { + equal, + insert, + remove +} + +/// A single diff segment containing operation, text, and line number. +struct DiffSegment { + EditOp op; + HeapString text; + size_t line; +} + +/// Result container for diff operations. +alias DiffResult = HeapData!DiffSegment; diff --git a/source/fluentasserts/core/diff/varray.d b/source/fluentasserts/core/diff/varray.d new file mode 100644 index 00000000..ae1c5696 --- /dev/null +++ b/source/fluentasserts/core/diff/varray.d @@ -0,0 +1,90 @@ +/// V-array with virtual negative indexing for Myers algorithm. +module fluentasserts.core.diff.varray; + +import fluentasserts.core.memory.heapstring : HeapData; + +@safe: + +/// V-array storing x-coordinates for each k-diagonal (k = x - y). +/// Supports negative indexing via offset. +struct VArray { +private: + HeapData!long data; + long offset; + +public: + /// Creates a V-array for the given maximum edit distance. + static VArray create(size_t maxD) @nogc nothrow { + VArray v; + v.offset = cast(long)(maxD + 1); + auto size = 2 * maxD + 3; + v.data = HeapData!long.create(size); + + foreach (i; 0 .. size) { + v.data.put(-1); + } + + return v; + } + + /// Creates a copy of this VArray. + VArray dup() @nogc nothrow const { + VArray copy; + copy.offset = offset; + copy.data = HeapData!long.create(data.length); + + foreach (i; 0 .. data.length) { + copy.data.put(data[i]); + } + + return copy; + } + + /// Access element at diagonal k (k can be negative). + ref long opIndex(long k) @trusted @nogc nothrow { + return data[cast(size_t)(k + offset)]; + } + + /// Const access element at diagonal k. + long opIndex(long k) @trusted @nogc nothrow const { + return data[cast(size_t)(k + offset)]; + } +} + +version (unittest) { + @("VArray supports negative indexing") + unittest { + auto v = VArray.create(5); + + v[-5] = 10; + v[0] = 20; + v[5] = 30; + + assert(v[-5] == 10); + assert(v[0] == 20); + assert(v[5] == 30); + } + + @("VArray.dup creates independent copy") + unittest { + auto v1 = VArray.create(3); + v1[0] = 42; + + auto v2 = v1.dup(); + v2[0] = 99; + + assert(v1[0] == 42); + assert(v2[0] == 99); + } + + @("VArray initializes with -1") + unittest { + auto v = VArray.create(2); + + assert(v[-2] == -1); + assert(v[-1] == -1); + assert(v[0] == -1); + assert(v[1] == -1); + assert(v[2] == -1); + } +} diff --git a/source/fluentasserts/core/evaluation.d b/source/fluentasserts/core/evaluation.d deleted file mode 100644 index 02b54ccb..00000000 --- a/source/fluentasserts/core/evaluation.d +++ /dev/null @@ -1,453 +0,0 @@ -module fluentasserts.core.evaluation; - -import std.datetime; -import std.typecons; -import std.traits; -import std.conv; -import std.range; -import std.array; -import std.algorithm : map, sort; - -import fluentasserts.core.serializers; -import fluentasserts.core.results; -import fluentasserts.core.base : TestException; - -/// -struct ValueEvaluation { - /// The exception thrown during evaluation - Throwable throwable; - - /// Time needed to evaluate the value - Duration duration; - - /// Serialized value as string - string strValue; - - /// Proxy object holding the evaluated value to help doing better comparisions - EquableValue proxyValue; - - /// Human readable value - string niceValue; - - /// The name of the type before it was converted to string - string[] typeNames; - - /// Other info about the value - string[string] meta; - - /// The file name contining the evaluated value - string fileName; - - /// The line number of the evaluated value - size_t line; - - /// a custom text to be prepended to the value - string prependText; - - string typeName() @safe nothrow { - if(typeNames.length == 0) { - return "unknown"; - } - - return typeNames[0]; - } -} - -/// -struct Evaluation { - /// The id of the current evaluation - size_t id; - - /// The value that will be validated - ValueEvaluation currentValue; - - /// The expected value that we will use to perform the comparison - ValueEvaluation expectedValue; - - /// The operation name - string operationName; - - /// True if the operation result needs to be negated to have a successful result - bool isNegated; - - /// The nice message printed to the user - MessageResult message; - - /// Source location data stored as struct - SourceResultData source; - - /// The throwable generated by the evaluation - Throwable throwable; - - /// True when the evaluation is done - bool isEvaluated; - - /// Convenience accessors for backwards compatibility - @property string sourceFile() nothrow @safe { return source.file; } - @property size_t sourceLine() nothrow @safe { return source.line; } - - /// Get SourceResult class wrapper (only when needed for IResult compatibility) - SourceResult getSourceResult() nothrow @trusted { - return new SourceResult(source); - } -} - -/// -auto evaluate(T)(lazy T testData, const string file = __FILE__, const size_t line = __LINE__, string prependText = null) @trusted if(isInputRange!T && !isArray!T && !isAssociativeArray!T) { - return evaluate(testData.array, file, line, prependText); -} - -/// -auto evaluate(T)(lazy T testData, const string file = __FILE__, const size_t line = __LINE__, string prependText = null) @trusted if(!isInputRange!T || isArray!T || isAssociativeArray!T) { - auto begin = Clock.currTime; - alias Result = Tuple!(T, "value", ValueEvaluation, "evaluation"); - - try { - auto value = testData; - alias TT = typeof(value); - - static if(isCallable!T) { - if(value !is null) { - begin = Clock.currTime; - value(); - } - } - - auto duration = Clock.currTime - begin; - auto serializedValue = SerializerRegistry.instance.serialize(value); - auto niceValue = SerializerRegistry.instance.niceValue(value); - - auto valueEvaluation = ValueEvaluation(null, duration, serializedValue, equableValue(value, niceValue), niceValue, extractTypes!TT); - valueEvaluation.fileName = file; - valueEvaluation.line = line; - valueEvaluation.prependText = prependText; - - return Result(value, valueEvaluation); - } catch(Throwable t) { - T result; - - static if(isCallable!T) { - result = testData; - } - - auto valueEvaluation = ValueEvaluation(t, Clock.currTime - begin, result.to!string, equableValue(result, result.to!string), result.to!string, extractTypes!T); - valueEvaluation.fileName = file; - valueEvaluation.line = line; - valueEvaluation.prependText = prependText; - - return Result(result, valueEvaluation); - } -} - -@("evaluate captures an exception from a lazy value") -unittest { - int value() { - throw new Exception("message"); - } - - auto result = evaluate(value); - - assert(result.evaluation.throwable !is null); - assert(result.evaluation.throwable.msg == "message"); -} - -@("evaluate captures an exception from a callable") -unittest { - void value() { - throw new Exception("message"); - } - - auto result = evaluate(&value); - - assert(result.evaluation.throwable !is null); - assert(result.evaluation.throwable.msg == "message"); -} - -string[] extractTypes(T)() if((!isArray!T && !isAssociativeArray!T) || isSomeString!T) { - string[] types; - - types ~= unqualString!T; - - static if(is(T == class)) { - static foreach(Type; BaseClassesTuple!T) { - types ~= unqualString!Type; - } - } - - static if(is(T == interface) || is(T == class)) { - static foreach(Type; InterfacesTuple!T) { - types ~= unqualString!Type; - } - } - - return types; -} - -string[] extractTypes(T: U[], U)() if(isArray!T && !isSomeString!T) { - return extractTypes!(U).map!(a => a ~ "[]").array; -} - -string[] extractTypes(T: U[K], U, K)() { - string k = unqualString!(K); - return extractTypes!(U).map!(a => a ~ "[" ~ k ~ "]").array; -} - -@("extractTypes returns [string] for string") -unittest { - auto result = extractTypes!string; - assert(result == ["string"]); -} - -@("extractTypes returns [string[]] for string[]") -unittest { - auto result = extractTypes!(string[]); - assert(result == ["string[]"]); -} - -@("extractTypes returns [string[string]] for string[string]") -unittest { - auto result = extractTypes!(string[string]); - assert(result == ["string[string]"]); -} - -@("extractTypes returns all types of a class") -unittest { - interface I {} - class T : I {} - - auto result = extractTypes!(T[]); - - assert(result[0] == "fluentasserts.core.evaluation.__unittest_L214_C1.T[]", `Expected: "fluentasserts.core.evaluation.__unittest_L214_C1.T[]" got "` ~ result[0] ~ `"`); - assert(result[1] == "object.Object[]", `Expected: ` ~ result[1] ); - assert(result[2] == "fluentasserts.core.evaluation.__unittest_L214_C1.I[]", `Expected: ` ~ result[2] ); -} - -/// A proxy type that allows to compare the native values -interface EquableValue { - @safe nothrow: - bool isEqualTo(EquableValue value); - bool isLessThan(EquableValue value); - EquableValue[] toArray(); - string toString(); - EquableValue generalize(); - string getSerialized(); -} - -/// Wraps a value into equable value -EquableValue equableValue(T)(T value, string serialized) { - static if(isArray!T && !isSomeString!T) { - return new ArrayEquable!T(value, serialized); - } else static if(isInputRange!T && !isSomeString!T) { - return new ArrayEquable!T(value.array, serialized); - } else static if(isAssociativeArray!T) { - return new AssocArrayEquable!T(value, serialized); - } else { - return new ObjectEquable!T(value, serialized); - } -} - -/// -class ObjectEquable(T) : EquableValue { - private { - T value; - string serialized; - } - - @trusted nothrow: - this(T value, string serialized) { - this.value = value; - this.serialized = serialized; - } - - bool isEqualTo(EquableValue otherEquable) { - try { - auto other = cast(ObjectEquable) otherEquable; - - if(other !is null) { - return value == other.value; - } - - auto generalized = otherEquable.generalize; - - static if(is(T == class)) { - auto otherGeneralized = cast(ObjectEquable!Object) generalized; - - if(otherGeneralized !is null) { - return value == otherGeneralized.value; - } - } - - return serialized == otherEquable.getSerialized; - } catch(Exception) { - return false; - } - } - - bool isLessThan(EquableValue otherEquable) { - static if (__traits(compiles, value < value)) { - try { - auto other = cast(ObjectEquable) otherEquable; - - if(other !is null) { - return value < other.value; - } - - return false; - } catch(Exception) { - return false; - } - } else { - return false; - } - } - - string getSerialized() { - return serialized; - } - - EquableValue generalize() { - static if(is(T == class)) { - auto obj = cast(Object) value; - - if(obj !is null) { - return new ObjectEquable!Object(obj, serialized); - } - } - - return new ObjectEquable!string(serialized, serialized); - } - - EquableValue[] toArray() { - static if(__traits(hasMember, T, "byValue") && !__traits(hasMember, T, "byKeyValue")) { - try { - return value.byValue.map!(a => a.equableValue(SerializerRegistry.instance.serialize(a))).array; - } catch(Exception) {} - } - - return [ this ]; - } - - override string toString() { - return "Equable." ~ serialized; - } - - override int opCmp (Object o) { - return -1; - } -} - -@("an object with byValue returns an array with all elements") -unittest { - class TestObject { - auto byValue() { - auto items = [1, 2]; - return items.inputRangeObject; - } - } - - auto value = equableValue(new TestObject(), "[1, 2]").toArray; - assert(value.length == 2, "invalid length"); - assert(value[0].toString == "Equable.1", value[0].toString ~ " != Equable.1"); - assert(value[1].toString == "Equable.2", value[1].toString ~ " != Equable.2"); -} - -@("isLessThan returns true when value is less than other") -unittest { - auto value1 = equableValue(5, "5"); - auto value2 = equableValue(10, "10"); - - assert(value1.isLessThan(value2) == true); - assert(value2.isLessThan(value1) == false); -} - -@("isLessThan returns false when values are equal") -unittest { - auto value1 = equableValue(5, "5"); - auto value2 = equableValue(5, "5"); - - assert(value1.isLessThan(value2) == false); -} - -@("isLessThan works with floating point numbers") -unittest { - auto value1 = equableValue(3.14, "3.14"); - auto value2 = equableValue(3.15, "3.15"); - - assert(value1.isLessThan(value2) == true); - assert(value2.isLessThan(value1) == false); -} - -@("isLessThan returns false for arrays") -unittest { - auto value1 = equableValue([1, 2, 3], "[1, 2, 3]"); - auto value2 = equableValue([4, 5, 6], "[4, 5, 6]"); - - assert(value1.isLessThan(value2) == false); -} - -/// -class ArrayEquable(U: T[], T) : EquableValue { - private { - T[] values; - string serialized; - } - - @safe nothrow: - this(T[] values, string serialized) { - this.values = values; - this.serialized = serialized; - } - - bool isEqualTo(EquableValue otherEquable) { - auto other = cast(ArrayEquable!U) otherEquable; - - if(other is null) { - return false; - } - - return serialized == other.serialized; - } - - bool isLessThan(EquableValue otherEquable) { - return false; - } - - string getSerialized() { - return serialized; - } - - @trusted EquableValue[] toArray() { - static if(is(T == void)) { - return []; - } else { - try { - auto newList = values.map!(a => equableValue(a, SerializerRegistry.instance.niceValue(a))).array; - - return cast(EquableValue[]) newList; - } catch(Exception) { - return []; - } - } - } - - EquableValue generalize() { - return this; - } - - override string toString() { - return serialized; - } -} - -/// -class AssocArrayEquable(U: T[V], T, V) : ArrayEquable!(string[], string) { - this(T[V] values, string serialized) { - auto sortedKeys = values.keys.sort; - - auto sortedValues = sortedKeys - .map!(a => SerializerRegistry.instance.niceValue(a) ~ `: ` ~ SerializerRegistry.instance.niceValue(values[a])) - .array; - - super(sortedValues, serialized); - } -} diff --git a/source/fluentasserts/core/evaluation/constraints.d b/source/fluentasserts/core/evaluation/constraints.d new file mode 100644 index 00000000..c2a2ce94 --- /dev/null +++ b/source/fluentasserts/core/evaluation/constraints.d @@ -0,0 +1,34 @@ +/// Template constraint helpers for fluent-asserts evaluation module. +/// Provides reusable type predicates to simplify template constraints. +module fluentasserts.core.evaluation.constraints; + +public import std.traits : isArray, isAssociativeArray, isSomeString, isAggregateType; +public import std.range : isInputRange; + +/// True if T is a regular array but not a string or void[]. +enum bool isRegularArray(T) = isArray!T && !isSomeString!T && !is(T == void[]); + +/// True if T is an input range but not an array, associative array, or string. +enum bool isNonArrayRange(T) = isInputRange!T && !isArray!T && !isAssociativeArray!T && !isSomeString!T; + +/// True if T has byValue but not byKeyValue (objects with iterable values). +enum bool hasIterableValues(T) = __traits(hasMember, T, "byValue") && !__traits(hasMember, T, "byKeyValue"); + +/// True if T is an object with byValue that's not an array or associative array. +enum bool isObjectWithByValue(T) = hasIterableValues!T && !isArray!T && !isAssociativeArray!T; + +/// True if T is a simple value (not array, range, or associative array, and no byValue). +/// This includes basic types like int, bool, float, structs, classes, etc. +enum bool isSimpleValue(T) = !isArray!T && !isInputRange!T && !isAssociativeArray!T && !hasIterableValues!T; + +/// True if T is either a non-array/non-AA type or a string. +/// Used for extractTypes to handle scalars and strings together. +enum bool isScalarOrString(T) = (!isArray!T && !isAssociativeArray!T) || isSomeString!T; + +/// True if T is not an input range, or is an array/associative array. +/// Used for evaluate() to handle non-range types and collections. +enum bool isNotRangeOrIsCollection(T) = !isInputRange!T || isArray!T || isAssociativeArray!T; + +/// True if T is a primitive type (string, char, or non-collection/non-aggregate type). +/// Used for serialization of basic values. +enum bool isPrimitiveType(T) = isSomeString!T || (!isArray!T && !isAssociativeArray!T && !isAggregateType!T); diff --git a/source/fluentasserts/core/evaluation/equable.d b/source/fluentasserts/core/evaluation/equable.d new file mode 100644 index 00000000..d062706a --- /dev/null +++ b/source/fluentasserts/core/evaluation/equable.d @@ -0,0 +1,249 @@ +/// Equable value system for fluent-asserts. +/// Provides equableValue functions for converting values to HeapEquableValue for comparisons. +module fluentasserts.core.evaluation.equable; + +import std.datetime; +import std.traits; +import std.conv; +import std.range; +import std.array; +import std.algorithm : map, sort; + +import fluentasserts.core.memory.heapequable; +import fluentasserts.core.memory.heapstring : HeapData; +import fluentasserts.results.serializers.heap_registry : HeapSerializerRegistry; +import fluentasserts.core.evaluation.constraints; + +version(unittest) { + import fluentasserts.core.lifecycle; +} + +/// Wraps a void array into a HeapEquableValue. +HeapEquableValue equableValue(T)(T value, string serialized) if(is(T == void[])) { + return HeapEquableValue.createArray(serialized); +} + +/// Wraps an array into a HeapEquableValue with recursive element conversion. +HeapEquableValue equableValue(T)(T value, string serialized) if(isRegularArray!T) { + auto result = HeapEquableValue.createArray(serialized); + foreach(ref elem; value) { + auto elemSerialized = HeapSerializerRegistry.instance.niceValue(elem); + result.addElement(equableValue(elem, elemSerialized)); + } + return result; +} + +/// Wraps an input range into a HeapEquableValue by converting to array first. +HeapEquableValue equableValue(T)(T value, string serialized) if(isNonArrayRange!T) { + auto arr = value.array; + auto result = HeapEquableValue.createArray(serialized); + foreach(ref elem; arr) { + auto elemSerialized = HeapSerializerRegistry.instance.niceValue(elem); + result.addElement(equableValue(elem, elemSerialized)); + } + return result; +} + +/// Wraps an associative array into a HeapEquableValue with sorted keys. +HeapEquableValue equableValue(T)(T value, string serialized) if(isAssociativeArray!T) { + auto result = HeapEquableValue.createAssocArray(serialized); + auto sortedKeys = value.keys.sort; + foreach(key; sortedKeys) { + auto keyStr = HeapSerializerRegistry.instance.niceValue(key); + auto valStr = HeapSerializerRegistry.instance.niceValue(value[key]); + auto entryStr = keyStr ~ ": " ~ valStr; + result.addElement(HeapEquableValue.createScalar(entryStr)); + } + return result; +} + +/// Wraps an object with byValue into a HeapEquableValue. +HeapEquableValue equableValue(T)(T value, string serialized) if(isObjectWithByValue!T) { + if (value is null) { + return HeapEquableValue.createScalar(serialized); + } + auto result = HeapEquableValue.createArray(serialized); + try { + foreach(elem; value.byValue) { + auto elemSerialized = HeapSerializerRegistry.instance.niceValue(elem); + result.addElement(equableValue(elem, elemSerialized)); + } + } catch (Exception) { + return HeapEquableValue.createScalar(serialized); + } + return result; +} + +/// Wraps a string into a HeapEquableValue. +HeapEquableValue equableValue(T)(T value, string serialized) if(isSomeString!T) { + return HeapEquableValue.createScalar(serialized); +} + +/// Wraps a scalar value into a HeapEquableValue. +HeapEquableValue equableValue(T)(T value, string serialized) + if(isSimpleValue!T && !isCallable!T && !is(T == class) && !is(T : Object)) +{ + return HeapEquableValue.createScalar(serialized); +} + +/// Simple wrapper to hold a callable for comparison. +class CallableWrapper(T) if(isCallable!T) { + T func; + + this(T f) @trusted nothrow { + func = f; + } + + override bool opEquals(Object other) @trusted nothrow { + auto o = cast(CallableWrapper!T)other; + if (o is null) { + return false; + } + static if (__traits(compiles, func == o.func)) { + return func == o.func; + } else { + return false; + } + } +} + +/// Wraps a callable into a HeapEquableValue using a wrapper object. +HeapEquableValue equableValue(T)(T value, string serialized) + if(isCallable!T && !isObjectWithByValue!T) +{ + auto wrapper = new CallableWrapper!T(value); + return HeapEquableValue.createObject(serialized, wrapper); +} + +/// Wraps an object into a HeapEquableValue with object reference for opEquals comparison. +HeapEquableValue equableValue(T)(T value, string serialized) + if((is(T == class) || is(T : Object)) && !isCallable!T && !isObjectWithByValue!T) +{ + return HeapEquableValue.createObject(serialized, cast(Object)value); +} + +// --- @nogc versions for primitive types only --- +// Only void[] and string types have truly @nogc equableValue overloads. +// Other types (arrays, assoc arrays, objects) require GC allocations during +// recursive processing and should use the string-parameter versions above. + +/// Wraps a void array into a HeapEquableValue (@nogc version). +/// This is one of only two truly @nogc equableValue overloads. +HeapEquableValue equableValue(T)(T value) @trusted nothrow @nogc if(is(T == void[])) { + auto serialized = HeapSerializerRegistry.instance.serialize(value); + return HeapEquableValue.createArray(serialized[]); +} + +/// Wraps a string into a HeapEquableValue (@nogc version). +/// This is one of only two truly @nogc equableValue overloads. +/// Used by NoGCExpect for primitive type assertions. +HeapEquableValue equableValue(T)(T value) @trusted nothrow @nogc if(isSomeString!T) { + auto serialized = HeapSerializerRegistry.instance.serialize(value); + return HeapEquableValue.createScalar(serialized[]); +} + +/// Wraps a scalar value into a HeapEquableValue (nothrow version). +/// Used by NoGCExpect for numeric primitive assertions. +/// Note: Not @nogc because numeric serialization uses .to!string which allocates. +HeapEquableValue equableValue(T)(T value) @trusted nothrow if(isSimpleValue!T && !isSomeString!T) { + auto serialized = HeapSerializerRegistry.instance.serialize(value); + return HeapEquableValue.createScalar(serialized[]); +} + +// --- HeapData!char (HeapString) overloads --- +// These mirror the string overloads above but work with HeapString serialization + +/// Wraps a void array into a HeapEquableValue (HeapString version). +HeapEquableValue equableValue(T, U)(T value, U serialized) @trusted nothrow @nogc + if(is(T == void[]) && is(U == HeapData!char)) +{ + return HeapEquableValue.createArray(serialized[]); +} + +/// Wraps an array into a HeapEquableValue with recursive element conversion (HeapString version). +HeapEquableValue equableValue(T, U)(T value, U serialized) @trusted + if(isRegularArray!T && is(U == HeapData!char)) +{ + auto result = HeapEquableValue.createArray(serialized[]); + foreach(ref elem; value) { + auto elemSerialized = HeapSerializerRegistry.instance.niceValue(elem); + result.addElement(equableValue(elem, elemSerialized)); + } + return result; +} + +/// Wraps an input range into a HeapEquableValue by converting to array first (HeapString version). +HeapEquableValue equableValue(T, U)(T value, U serialized) @trusted + if(isNonArrayRange!T && is(U == HeapData!char)) +{ + auto arr = value.array; + auto result = HeapEquableValue.createArray(serialized[]); + foreach(ref elem; arr) { + auto elemSerialized = HeapSerializerRegistry.instance.niceValue(elem); + result.addElement(equableValue(elem, elemSerialized)); + } + return result; +} + +/// Wraps an associative array into a HeapEquableValue with sorted keys (HeapString version). +HeapEquableValue equableValue(T, U)(T value, U serialized) @trusted + if(isAssociativeArray!T && is(U == HeapData!char)) +{ + auto result = HeapEquableValue.createAssocArray(serialized[]); + auto sortedKeys = value.keys.sort; + foreach(key; sortedKeys) { + auto keyStr = HeapSerializerRegistry.instance.niceValue(key); + auto valStr = HeapSerializerRegistry.instance.niceValue(value[key]); + auto entryStr = keyStr ~ ": " ~ valStr; + result.addElement(HeapEquableValue.createScalar(entryStr[])); + } + return result; +} + +/// Wraps an object with byValue into a HeapEquableValue (HeapString version). +HeapEquableValue equableValue(T, U)(T value, U serialized) @trusted + if(isObjectWithByValue!T && is(U == HeapData!char)) +{ + if (value is null) { + return HeapEquableValue.createScalar(serialized[]); + } + auto result = HeapEquableValue.createArray(serialized[]); + try { + foreach(elem; value.byValue) { + auto elemSerialized = HeapSerializerRegistry.instance.niceValue(elem); + result.addElement(equableValue(elem, elemSerialized)); + } + } catch (Exception) { + return HeapEquableValue.createScalar(serialized[]); + } + return result; +} + +/// Wraps a string into a HeapEquableValue (HeapString version). +HeapEquableValue equableValue(T, U)(T value, U serialized) @trusted nothrow @nogc + if(isSomeString!T && is(U == HeapData!char)) +{ + return HeapEquableValue.createScalar(serialized[]); +} + +/// Wraps a scalar value into a HeapEquableValue (HeapString version). +HeapEquableValue equableValue(T, U)(T value, U serialized) @trusted nothrow @nogc + if(isSimpleValue!T && !isCallable!T && !is(T == class) && !is(T : Object) && is(U == HeapData!char)) +{ + return HeapEquableValue.createScalar(serialized[]); +} + +/// Wraps a callable into a HeapEquableValue using a wrapper object (HeapString version). +HeapEquableValue equableValue(T, U)(T value, U serialized) @trusted + if(isCallable!T && !isObjectWithByValue!T && is(U == HeapData!char)) +{ + auto wrapper = new CallableWrapper!T(value); + return HeapEquableValue.createObject(serialized[], wrapper); +} + +/// Wraps an object into a HeapEquableValue with object reference for opEquals comparison (HeapString version). +HeapEquableValue equableValue(T, U)(T value, U serialized) @trusted + if((is(T == class) || is(T : Object)) && !isCallable!T && !isObjectWithByValue!T && is(U == HeapData!char)) +{ + return HeapEquableValue.createObject(serialized[], cast(Object)value); +} diff --git a/source/fluentasserts/core/evaluation/eval.d b/source/fluentasserts/core/evaluation/eval.d new file mode 100644 index 00000000..55abc2ba --- /dev/null +++ b/source/fluentasserts/core/evaluation/eval.d @@ -0,0 +1,702 @@ +/// Evaluation logic for fluent-asserts. +/// Provides the Evaluation struct and evaluate functions for capturing assertion state. +module fluentasserts.core.evaluation.eval; + +import std.datetime; +import std.traits; +import std.array; +import std.range; +import std.algorithm : move; + +import core.memory : GC; + +import fluentasserts.core.memory.heapstring : toHeapString, HeapString; +import fluentasserts.core.memory.process : getNonGCMemory; +import fluentasserts.core.conversion.tonumeric : toNumeric; +import fluentasserts.core.config : config = FluentAssertsConfig, OutputFormat; +import fluentasserts.core.evaluation.value; +import fluentasserts.core.evaluation.types; +import fluentasserts.core.evaluation.equable; +import fluentasserts.core.evaluation.constraints; +import fluentasserts.results.serializers.heap_registry : HeapSerializerRegistry; +import fluentasserts.results.source.result : SourceResult; +import fluentasserts.results.asserts : AssertResult; +import fluentasserts.results.printer : ResultPrinter, StringResultPrinter; + +version(unittest) { + import fluentasserts.core.lifecycle; +} + +/// Holds the complete state of an assertion evaluation. +/// Contains both the actual and expected values, operation metadata, +/// source location, and the assertion result. +struct Evaluation { + /// The id of the current evaluation + size_t id; + + /// The value that will be validated + ValueEvaluation currentValue; + + /// The expected value that we will use to perform the comparison + ValueEvaluation expectedValue; + + /// The operation names (stored as array, joined on access) + private { + HeapString[config.buffers.maxOperationNames] _operationNames; + size_t _operationCount; + } + + /// True if the operation result needs to be negated to have a successful result + bool isNegated; + + /// Source location data stored as struct + SourceResult source; + + /// The throwable generated by the evaluation + Throwable throwable; + + /// True when the evaluation is done + bool isEvaluated; + + /// Result of the assertion stored as struct + AssertResult result; + + /// Disable postblit - use copy constructor instead + @disable this(this); + + /// Copy constructor - creates a deep copy from the source. + this(ref return scope const Evaluation rhs) @trusted nothrow { + id = rhs.id; + currentValue = rhs.currentValue; + expectedValue = rhs.expectedValue; + + _operationCount = rhs._operationCount; + foreach (i; 0 .. _operationCount) { + _operationNames[i] = rhs._operationNames[i]; + } + + isNegated = rhs.isNegated; + source = rhs.source; + throwable = cast(Throwable) rhs.throwable; + isEvaluated = rhs.isEvaluated; + result = rhs.result; + } + + /// Assignment operator - creates a deep copy from the source. + void opAssign(ref const Evaluation rhs) @trusted nothrow { + id = rhs.id; + currentValue = rhs.currentValue; + expectedValue = rhs.expectedValue; + + _operationCount = rhs._operationCount; + foreach (i; 0 .. _operationCount) { + _operationNames[i] = rhs._operationNames[i]; + } + + isNegated = rhs.isNegated; + source = rhs.source; + throwable = cast(Throwable) rhs.throwable; + isEvaluated = rhs.isEvaluated; + result = rhs.result; + } + + /// Returns the operation name by joining stored parts with "." + string operationName() nothrow @safe { + if (_operationCount == 0) { + return ""; + } + + if (_operationCount == 1) { + return _operationNames[0][].idup; + } + + Appender!string result; + foreach (i; 0 .. _operationCount) { + if (i > 0) result.put("."); + result.put(_operationNames[i][]); + } + + return result[]; + } + + /// Adds an operation name to the chain + void addOperationName(string name) nothrow @safe @nogc { + if (_operationCount < _operationNames.length) { + auto heapName = HeapString.create(name.length); + heapName.put(name); + _operationNames[_operationCount++] = heapName; + } + } + + /// Convenience accessors for backwards compatibility + string sourceFile() nothrow @safe @nogc { return source.file; } + size_t sourceLine() nothrow @safe @nogc { return source.line; } + + /// Checks if there is an assertion result with content. + /// Returns: true if the result has expected/actual values, diff, or extra/missing items. + bool hasResult() nothrow @safe @nogc { + return result.hasContent(); + } + + /// Records a failed assertion with expected prefix and value. + /// Automatically handles negation and sets actual from currentValue.niceValue. + /// Params: + /// prefix = The prefix for expected (e.g., "greater than ") + /// value = The value part (e.g., "5") + /// negatedPrefix = The prefix to use when negated (e.g., "less than or equal to ") + void fail(const(char)[] prefix, const(char)[] value, const(char)[] negatedPrefix = null) nothrow @safe @nogc { + if (isNegated && negatedPrefix !is null) { + result.expected.put(negatedPrefix); + } else if (isNegated) { + result.expected.put("not "); + result.expected.put(prefix); + } else { + result.expected.put(prefix); + } + + result.expected.put(value); + result.negated = isNegated; + + if (!currentValue.niceValue.empty) { + result.actual.put(currentValue.niceValue[]); + } else { + result.actual.put(currentValue.strValue[]); + } + } + + /// Checks a condition and records failure if needed. + /// Handles negation automatically. + /// Params: + /// condition = The assertion condition (true = pass, false = fail) + /// prefix = The prefix for expected (e.g., "greater than ") + /// value = The value part (e.g., "5") + /// negatedPrefix = The prefix to use when negated (optional) + /// Returns: true if the assertion passed, false if it failed + bool check(bool condition, const(char)[] prefix, const(char)[] value, const(char)[] negatedPrefix = null) nothrow @safe @nogc { + bool passed = isNegated ? !condition : condition; + + if (passed) { + return true; + } + + fail(prefix, value, negatedPrefix); + return false; + } + + /// Checks a condition and sets expected only (caller sets actual). + /// Returns: true if the assertion passed, false if it failed + bool checkCustomActual(bool condition, const(char)[] expected, const(char)[] negatedExpected) nothrow @safe @nogc { + bool passed = isNegated ? !condition : condition; + + if (passed) { + return true; + } + + result.expected.put(isNegated ? negatedExpected : expected); + result.negated = isNegated; + return false; + } + + /// Reports a conversion error with the expected type name. + /// Sets expected to "valid {typeName} values" and actual to "conversion error". + void conversionError(const(char)[] typeName) nothrow @safe @nogc { + result.expected.put("valid "); + result.expected.put(typeName); + result.expected.put(" values"); + result.actual.put("conversion error"); + } + + /// Parses Duration values from current and expected string values. + /// Returns: true if parsing succeeded, false if conversion error was reported. + bool parseDurations(out Duration currentDur, out Duration expectedDur) nothrow @safe @nogc { + auto expected = toNumeric!ulong(expectedValue.strValue); + auto current = toNumeric!ulong(currentValue.strValue); + + if (!expected.success || !current.success) { + conversionError("Duration"); + return false; + } + + expectedDur = dur!"nsecs"(expected.value); + currentDur = dur!"nsecs"(current.value); + return true; + } + + /// Parses SysTime values from current and expected string values. + /// Returns: true if parsing succeeded, false if conversion error was reported. + bool parseSysTimes(out SysTime currentTime, out SysTime expectedTime) nothrow @safe { + try { + expectedTime = SysTime.fromISOExtString(expectedValue.strValue[]); + currentTime = SysTime.fromISOExtString(currentValue.strValue[]); + return true; + } catch (Exception e) { + conversionError("SysTime"); + return false; + } + } + + /// Reports a string prefix/suffix check failure with proper message formatting. + /// Params: + /// matches = whether the string matches the expected prefix/suffix + /// positiveVerb = verb for positive case (e.g., "start with", "end with") + /// negativeVerb = verb for negative case (e.g., "starts with", "ends with") + void reportStringCheck(bool matches, const(char)[] positiveVerb, const(char)[] negativeVerb) nothrow @safe @nogc { + bool failed = isNegated ? matches : !matches; + + if (!failed) { + return; + } + + result.addText(" "); + result.addValue(currentValue.strValue[]); + result.addText(isNegated ? " " : " does not "); + result.addText(negativeVerb); + result.addText(" "); + result.addValue(expectedValue.strValue[]); + + if (isNegated) { + result.expected.put("not to "); + } else { + result.expected.put("to "); + } + result.expected.put(positiveVerb); + result.expected.put(" "); + result.expected.put(expectedValue.strValue[]); + result.actual.put(currentValue.strValue[]); + result.negated = isNegated; + } + + /// Prints the assertion result using the provided printer. + /// Params: + /// printer = The ResultPrinter to use for output formatting + void printResult(ResultPrinter printer) @safe nothrow { + if (!isEvaluated) { + printer.primary("Evaluation not completed."); + return; + } + + if (!result.hasContent()) { + printer.primary("Successful result."); + return; + } + + final switch (config.output.format) { + case OutputFormat.verbose: + printVerbose(printer); + break; + case OutputFormat.compact: + printCompact(printer); + break; + case OutputFormat.tap: + printTap(printer); + break; + } + } + + private void printVerbose(ResultPrinter printer) @safe nothrow { + printer.info("ASSERTION FAILED: "); + + foreach(ref message; result.messages) { + printer.print(message); + } + + printer.newLine; + printer.info("OPERATION: "); + + if(isNegated) { + printer.primary("not "); + } + + printer.primary(operationName); + printer.newLine; + + // Issue #79: Print context data if present + if (result.hasContext) { + printer.newLine; + printer.info("CONTEXT:"); + printer.newLine; + foreach (i; 0 .. result.contextCount) { + printer.primary(" "); + printer.primary(result.contextKey(i).idup); + printer.primary(" = "); + printer.primary(result.contextValue(i).idup); + printer.newLine; + } + if (result.hasContextOverflow) { + printer.danger(" (additional context entries were dropped)"); + printer.newLine; + } + } + + printer.newLine; + + printer.info(" ACTUAL: "); + printer.primary("<"); + printer.primary(currentValue.typeName.idup); + printer.primary("> "); + printer.primary(result.actual[].idup); + printer.newLine; + + printer.info("EXPECTED: "); + printer.primary("<"); + printer.primary(expectedValue.typeName.idup); + printer.primary("> "); + printer.primary(result.expected[].idup); + printer.newLine; + + source.print(printer); + } + + private void printCompact(ResultPrinter printer) @safe nothrow { + import std.conv : to; + + printer.danger("FAIL: "); + + foreach (ref message; result.messages) { + printer.print(message); + } + + // Issue #79: Print context data if present + if (result.hasContext) { + printer.primary(" | context: "); + foreach (i; 0 .. result.contextCount) { + if (i > 0) { + printer.primary(", "); + } + printer.primary(result.contextKey(i).idup); + printer.primary("="); + printer.primary(result.contextValue(i).idup); + } + if (result.hasContextOverflow) { + printer.primary(", ...(truncated)"); + } + } + + printer.primary(" | actual="); + printer.primary(result.actual[].idup); + printer.primary(" expected="); + printer.primary(result.expected[].idup); + printer.primary(" | "); + printer.primary(source.file); + printer.primary(":"); + printer.primary(source.line.to!string); + printer.newLine; + } + + private void printTap(ResultPrinter printer) @safe nothrow { + import std.conv : to; + + printer.danger("not ok "); + printer.primary("- "); + + foreach (ref message; result.messages) { + printer.print(message); + } + + printer.newLine; + printer.primary(" ---"); + printer.newLine; + + // Issue #79: Print context data if present + if (result.hasContext) { + printer.primary(" context:"); + printer.newLine; + foreach (i; 0 .. result.contextCount) { + printer.primary(" "); + printer.primary(result.contextKey(i).idup); + printer.primary(": "); + printer.primary(result.contextValue(i).idup); + printer.newLine; + } + if (result.hasContextOverflow) { + printer.primary(" # additional context entries were dropped"); + printer.newLine; + } + } + + printer.primary(" actual: "); + printer.primary(result.actual[].idup); + printer.newLine; + printer.primary(" expected: "); + printer.primary(result.expected[].idup); + printer.newLine; + printer.primary(" at: "); + printer.primary(source.file); + printer.primary(":"); + printer.primary(source.line.to!string); + printer.newLine; + printer.primary(" ..."); + printer.newLine; + } + + /// Converts the evaluation to a formatted string for display. + /// Returns: A string representation of the evaluation result. + string toString() @safe nothrow { + import std.string : format; + + auto printer = new StringResultPrinter(); + printResult(printer); + return printer.toString(); + } +} + +/// Populates a ValueEvaluation with common fields. +void populateEvaluation(T)( + ref ValueEvaluation eval, + T value, + Duration duration, + size_t gcMemoryUsed, + size_t nonGCMemoryUsed, + Throwable throwable, + string file, + size_t line, + string prependText +) @trusted { + import std.traits : Unqual; + + auto serializedValue = HeapSerializerRegistry.instance.serialize(value); + auto niceValueStr = HeapSerializerRegistry.instance.niceValue(value); + + eval.throwable = throwable; + eval.duration = duration; + eval.gcMemoryUsed = gcMemoryUsed; + eval.nonGCMemoryUsed = nonGCMemoryUsed; + eval.strValue = serializedValue; + eval.proxyValue = equableValue(value, niceValueStr); + eval.niceValue = niceValueStr; + eval.typeNames = extractTypes!T; + eval.fileName = toHeapString(file); + eval.line = line; + eval.prependText = toHeapString(prependText); +} + + +/// Measures memory usage of a callable value. +/// Returns: tuple of (gcMemoryUsed, nonGCMemoryUsed, newBeginTime) +/// Note: Non-GC memory measurement uses process-wide metrics which may be +/// affected by other threads during parallel test execution. +auto measureCallable(T)(T value, SysTime begin) @trusted { + struct MeasureResult { + size_t gcMemoryUsed; + size_t nonGCMemoryUsed; + SysTime newBegin; + } + + MeasureResult r; + r.newBegin = begin; + + static if (isCallable!T) { + if (value is null) { + return r; + } + + r.newBegin = Clock.currTime; + + r.nonGCMemoryUsed = getNonGCMemory(); + auto gcBefore = GC.allocatedInCurrentThread(); + cast(void) value(); + r.gcMemoryUsed = GC.allocatedInCurrentThread() - gcBefore; + r.nonGCMemoryUsed = getNonGCMemory() - r.nonGCMemoryUsed; + } + + return r; +} + +/// Evaluates a lazy input range value and captures the result. +/// Converts the range to an array and delegates to the primary evaluate function. +/// Params: +/// testData = The lazy value to evaluate +/// file = Source file (auto-captured) +/// line = Source line (auto-captured) +/// prependText = Optional text to prepend to the value display +/// Returns: An EvaluationResult containing the evaluated value and its ValueEvaluation. +auto evaluate(T)(lazy T testData, const string file = __FILE__, const size_t line = __LINE__, string prependText = null) @trusted if(isNonArrayRange!T) { + import std.range : array; + return evaluate(testData.array, file, line, prependText); +} + +/// Evaluates a lazy value and captures the result along with timing and exception info. +auto evaluate(T)(lazy T testData, const string file = __FILE__, const size_t line = __LINE__, string prependText = null) @trusted if(isNotRangeOrIsCollection!T) { + GC.disable(); + scope(exit) GC.enable(); + + auto begin = Clock.currTime; + alias Result = EvaluationResult!T; + + try { + auto value = testData; + auto measured = measureCallable(value, begin); + + Result result; + result.value = value; + populateEvaluation(result.evaluation, value, Clock.currTime - measured.newBegin, measured.gcMemoryUsed, measured.nonGCMemoryUsed, null, file, line, prependText); + return move(result); + } catch (Throwable t) { + T resultValue; + static if (isCallable!T) { + resultValue = testData; + } + + Result result; + result.value = resultValue; + populateEvaluation(result.evaluation, resultValue, Clock.currTime - begin, 0, 0, t, file, line, prependText); + return move(result); + } +} + +/// Evaluates an object without GC tracking or duration measurement. +/// Lightweight version for object comparison that skips performance metrics. +/// Params: +/// obj = The object to evaluate +/// file = Source file (auto-captured) +/// line = Source line (auto-captured) +/// prependText = Optional text to prepend to the value display +/// Returns: An EvaluationResult containing the object and its ValueEvaluation. +auto evaluateObject(T)(T obj, const string file = __FILE__, const size_t line = __LINE__, string prependText = null) @trusted if(is(Unqual!T : Object)) { + import std.traits : Unqual; + alias Result = EvaluationResult!T; + + auto serializedValue = HeapSerializerRegistry.instance.serialize(obj); + auto niceValueStr = HeapSerializerRegistry.instance.niceValue(obj); + + Result result; + result.value = obj; + result.evaluation.throwable = null; + result.evaluation.duration = Duration.zero; + result.evaluation.gcMemoryUsed = 0; + result.evaluation.nonGCMemoryUsed = 0; + result.evaluation.strValue = serializedValue; + result.evaluation.proxyValue = equableValue(obj, niceValueStr); + result.evaluation.niceValue = niceValueStr; + result.evaluation.typeNames = extractTypes!T; + result.evaluation.fileName = toHeapString(file); + result.evaluation.line = line; + result.evaluation.prependText = toHeapString(prependText); + + return move(result); +} + +@("evaluate captures an exception from a lazy value") +unittest { + Lifecycle.instance.disableFailureHandling = false; + int value() { + throw new Exception("message"); + } + + auto result = evaluate(value); + + assert(result.evaluation.throwable !is null, "Expected throwable to be captured"); + assert(result.evaluation.throwable.msg == "message", "Expected msg 'message', got '" ~ result.evaluation.throwable.msg ~ "'"); +} + +@("evaluate captures an exception from a callable") +unittest { + Lifecycle.instance.disableFailureHandling = false; + void value() { + throw new Exception("message"); + } + + auto result = evaluate(&value); + + assert(result.evaluation.throwable !is null, "Expected throwable to be captured"); + assert(result.evaluation.throwable.msg == "message", "Expected msg 'message', got '" ~ result.evaluation.throwable.msg ~ "'"); +} + +@("evaluateObject creates evaluation for object without GC tracking") +unittest { + Lifecycle.instance.disableFailureHandling = false; + + class TestClass { + int x; + this(int x) { this.x = x; } + } + + auto obj = new TestClass(42); + auto result = evaluateObject(obj); + + assert(result.value is obj); + assert(result.evaluation.gcMemoryUsed == 0); + assert(result.evaluation.nonGCMemoryUsed == 0); + assert(result.evaluation.duration == Duration.zero); + assert(!result.evaluation.proxyValue.isNull()); + assert(result.evaluation.proxyValue.getObjectRef() is cast(Object) obj); +} + +@("evaluateObject creates evaluation for null object") +unittest { + Lifecycle.instance.disableFailureHandling = false; + + class TestClass {} + TestClass obj = null; + + auto result = evaluateObject(obj); + + assert(result.value is null); + assert(result.evaluation.proxyValue.getObjectRef() is null); + assert(result.evaluation.gcMemoryUsed == 0); +} + +// Issue #98: opEquals should be honored when asserting equality +@("evaluateObject sets proxyValue with object reference for opEquals comparison") +unittest { + Lifecycle.instance.disableFailureHandling = false; + + class TestClass { + int value; + this(int v) { value = v; } + + override bool opEquals(Object other) { + auto o = cast(TestClass) other; + if (o is null) { + return false; + } + return value == o.value; + } + } + + auto obj1 = new TestClass(10); + auto obj2 = new TestClass(10); + + auto result1 = evaluateObject(obj1); + auto result2 = evaluateObject(obj2); + + assert(!result1.evaluation.proxyValue.isNull()); + assert(!result2.evaluation.proxyValue.isNull()); + // Now proxyValue uses opEquals via object references + assert(result1.evaluation.proxyValue.isEqualTo(result2.evaluation.proxyValue)); +} + +// Issue #90: std.container.array Range types have @system destructors +// The evaluate function is @trusted so it can handle ranges with @system destructors +@("issue #90: evaluate works with std.container.array ranges") +@system unittest { + import std.container.array : Array; + + auto arr = Array!int(); + arr.insertBack(1); + arr.insertBack(2); + arr.insertBack(3); + + // This should compile and work - the range has a @system destructor + // but evaluate is @trusted so it can handle it + auto result = evaluate(arr[]); + + assert(result.evaluation.strValue[] == "[1, 2, 3]", + "Expected '[1, 2, 3]', got '" ~ result.evaluation.strValue[].idup ~ "'"); +} + +// Issue #88: std.range.interfaces.InputRange should be treated as a range +// The isNonArrayRange constraint correctly identifies InputRange interfaces +@("issue #88: evaluate works with std.range.interfaces.InputRange") +unittest { + import std.range.interfaces : InputRange, inputRangeObject; + + auto arr = [1, 2, 3]; + InputRange!int ir = inputRangeObject(arr); + + // InputRange is detected as isNonArrayRange and converted to array + auto result = evaluate(ir); + + assert(result.evaluation.strValue[] == "[1, 2, 3]", + "Expected '[1, 2, 3]', got '" ~ result.evaluation.strValue[].idup ~ "'"); +} diff --git a/source/fluentasserts/core/evaluation/types.d b/source/fluentasserts/core/evaluation/types.d new file mode 100644 index 00000000..6872130c --- /dev/null +++ b/source/fluentasserts/core/evaluation/types.d @@ -0,0 +1,120 @@ +/// Type extraction utilities for fluent-asserts. +/// Provides functions to extract type names including base classes and interfaces. +module fluentasserts.core.evaluation.types; + +import std.traits; +import fluentasserts.core.memory.typenamelist; +import fluentasserts.results.serializers.typenames : unqualString; +import fluentasserts.core.evaluation.constraints; + +/// Extracts the type names for a non-array, non-associative-array type. +/// For classes, includes base classes and implemented interfaces. +/// Params: +/// T = The type to extract names from +/// Returns: A TypeNameList of fully qualified type names. +TypeNameList extractTypes(T)() if(isScalarOrString!T) { + TypeNameList types; + + types.put(unqualString!T); + + static if(is(T == class)) { + static foreach(Type; BaseClassesTuple!T) { + types.put(unqualString!Type); + } + } + + static if(is(T == interface) || is(T == class)) { + static foreach(Type; InterfacesTuple!T) { + types.put(unqualString!Type); + } + } + + return types; +} + +/// Extracts the type names for void[]. +TypeNameList extractTypes(T)() if(is(T == void[])) { + TypeNameList types; + types.put("void[]"); + return types; +} + +/// Extracts the type names for an array type. +/// Appends "[]" to each element type name. +/// Params: +/// T = The array type +/// U = The element type +/// Returns: A TypeNameList of type names with "[]" suffix. +TypeNameList extractTypes(T: U[], U)() if(isRegularArray!T) { + auto elementTypes = extractTypes!(U); + TypeNameList types; + + foreach (i; 0 .. elementTypes.length) { + auto name = elementTypes[i][] ~ "[]"; + types.put(name); + } + + return types; +} + +/// Extracts the type names for an associative array type. +/// Formats as "ValueType[KeyType]". +/// Params: +/// T = The associative array type +/// U = The value type +/// K = The key type +/// Returns: A TypeNameList of type names in associative array format. +TypeNameList extractTypes(T: U[K], U, K)() { + string k = unqualString!(K); + auto valueTypes = extractTypes!(U); + TypeNameList types; + + foreach (i; 0 .. valueTypes.length) { + auto name = valueTypes[i][] ~ "[" ~ k ~ "]"; + types.put(name); + } + + return types; +} + +version(unittest) { + import fluentasserts.core.lifecycle; + + interface ExtractTypesTestInterface {} + class ExtractTypesTestClass : ExtractTypesTestInterface {} +} + +@("extractTypes returns [string] for string") +unittest { + Lifecycle.instance.disableFailureHandling = false; + auto result = extractTypes!string; + assert(result.length == 1, "Expected length 1"); + assert(result[0][] == "string", "Expected \"string\""); +} + +@("extractTypes returns [string[]] for string[]") +unittest { + Lifecycle.instance.disableFailureHandling = false; + auto result = extractTypes!(string[]); + assert(result.length == 1, "Expected length 1"); + assert(result[0][] == "string[]", "Expected \"string[]\""); +} + +@("extractTypes returns [string[string]] for string[string]") +unittest { + Lifecycle.instance.disableFailureHandling = false; + auto result = extractTypes!(string[string]); + assert(result.length == 1, "Expected length 1"); + assert(result[0][] == "string[string]", "Expected \"string[string]\""); +} + +@("extractTypes returns all types of a class") +unittest { + Lifecycle.instance.disableFailureHandling = false; + + auto result = extractTypes!(ExtractTypesTestClass[]); + + assert(result[0][] == "fluentasserts.core.evaluation.types.ExtractTypesTestClass[]", `Expected: "fluentasserts.core.evaluation.types.ExtractTypesTestClass[]"`); + assert(result[1][] == "object.Object[]", `Expected: "object.Object[]"`); + assert(result[2][] == "fluentasserts.core.evaluation.types.ExtractTypesTestInterface[]", `Expected: "fluentasserts.core.evaluation.types.ExtractTypesTestInterface[]"`); +} diff --git a/source/fluentasserts/core/evaluation/value.d b/source/fluentasserts/core/evaluation/value.d new file mode 100644 index 00000000..bb679593 --- /dev/null +++ b/source/fluentasserts/core/evaluation/value.d @@ -0,0 +1,127 @@ +/// Value evaluation structures for fluent-asserts. +/// Provides ValueEvaluation and EvaluationResult for capturing assertion state. +module fluentasserts.core.evaluation.value; + +import std.datetime; +import std.traits; + +import fluentasserts.core.memory.heapstring; +import fluentasserts.core.memory.fixedmeta; +import fluentasserts.core.memory.typenamelist; +import fluentasserts.core.memory.heapequable; +import fluentasserts.core.evaluation.equable; + +struct ValueEvaluation { + /// The exception thrown during evaluation + Throwable throwable; + + /// Time needed to evaluate the value + Duration duration; + + /// Garbage Collector memory used during evaluation (in bytes) + size_t gcMemoryUsed; + + /// Non Garbage Collector memory used during evaluation (in bytes) + size_t nonGCMemoryUsed; + + /// Serialized value as string + HeapString strValue; + + /// Proxy object holding the evaluated value to help doing better comparisions + HeapEquableValue proxyValue; + + /// Human readable value + HeapString niceValue; + + /// The name of the type before it was converted to string (using TypeNameList for @nogc compatibility) + TypeNameList typeNames; + + /// Other info about the value (using FixedMeta for @nogc compatibility) + FixedMeta meta; + + /// The file name containing the evaluated value + HeapString fileName; + + /// The line number of the evaluated value + size_t line; + + /// a custom text to be prepended to the value + HeapString prependText; + + /// Disable postblit - use copy constructor instead + @disable this(this); + + /// Copy constructor - creates a deep copy from the source. + this(ref return scope const ValueEvaluation rhs) @trusted nothrow { + throwable = cast(Throwable) rhs.throwable; + duration = rhs.duration; + gcMemoryUsed = rhs.gcMemoryUsed; + nonGCMemoryUsed = rhs.nonGCMemoryUsed; + strValue = rhs.strValue; + proxyValue = rhs.proxyValue; + niceValue = rhs.niceValue; + typeNames = rhs.typeNames; + meta = rhs.meta; + fileName = rhs.fileName; + line = rhs.line; + prependText = rhs.prependText; + } + + /// Assignment operator - creates a deep copy from the source. + void opAssign(ref const ValueEvaluation rhs) @trusted nothrow { + throwable = cast(Throwable) rhs.throwable; + duration = rhs.duration; + gcMemoryUsed = rhs.gcMemoryUsed; + nonGCMemoryUsed = rhs.nonGCMemoryUsed; + strValue = rhs.strValue; + proxyValue = rhs.proxyValue; + niceValue = rhs.niceValue; + typeNames = rhs.typeNames; + meta = rhs.meta; + fileName = rhs.fileName; + line = rhs.line; + prependText = rhs.prependText; + } + + /// Returns true if this ValueEvaluation's HeapString fields are valid. + bool isValid() @trusted nothrow @nogc const { + return strValue.isValid() && niceValue.isValid(); + } + + /// Returns the primary type name of the evaluated value. + const(char)[] typeName() @safe nothrow @nogc { + if (typeNames.length == 0) { + return "unknown"; + } + return typeNames[0][]; + } +} + +struct EvaluationResult(T) { + import std.traits : Unqual, isCopyable; + + Unqual!T value; + ValueEvaluation evaluation; + + /// Disable postblit - use copy constructor instead + @disable this(this); + + /// Copy constructor - creates a deep copy from the source. + this(ref return scope const EvaluationResult rhs) @trusted nothrow { + static if (__traits(compiles, cast(Unqual!T) rhs.value)) { + value = cast(Unqual!T) rhs.value; + } else static if (isCopyable!(const(Unqual!T))) { + value = rhs.value; + } + evaluation = rhs.evaluation; // Uses ValueEvaluation's copy constructor + } + + void opAssign(ref const EvaluationResult rhs) @trusted nothrow { + static if (__traits(compiles, cast(Unqual!T) rhs.value)) { + value = cast(Unqual!T) rhs.value; + } else static if (isCopyable!(const(Unqual!T))) { + value = rhs.value; + } + evaluation = rhs.evaluation; + } +} diff --git a/source/fluentasserts/core/evaluator.d b/source/fluentasserts/core/evaluator.d index d698093c..00c2a25e 100644 --- a/source/fluentasserts/core/evaluator.d +++ b/source/fluentasserts/core/evaluator.d @@ -1,353 +1,364 @@ +/// Evaluator structs for executing assertion operations. +/// Provides lifetime management and result handling for assertions. module fluentasserts.core.evaluator; -import fluentasserts.core.evaluation; -import fluentasserts.core.results; +import fluentasserts.core.evaluation.eval : Evaluation, evaluate; +import fluentasserts.core.lifecycle; +import fluentasserts.results.printer; import fluentasserts.core.base : TestException; -import fluentasserts.core.serializers; +import fluentasserts.results.serializers.heap_registry : HeapSerializerRegistry; +import fluentasserts.results.formatting : toNiceOperation; import std.functional : toDelegate; import std.conv : to; -alias OperationFunc = IResult[] function(ref Evaluation) @safe nothrow; -alias OperationFuncTrusted = IResult[] function(ref Evaluation) @trusted nothrow; +alias OperationFunc = void function(ref Evaluation) @safe nothrow; +alias OperationFuncTrusted = void function(ref Evaluation) @trusted nothrow; +alias OperationFuncNoGC = void function(ref Evaluation) @safe nothrow @nogc; +alias OperationFuncTrustedNoGC = void function(ref Evaluation) @trusted nothrow @nogc; + +/// Mixin template providing context methods for evaluators. +/// Reduces duplication across Evaluator, TrustedEvaluator, and ThrowableEvaluator. +mixin template EvaluatorContextMethods() { + /// Adds a reason to the assertion message. + ref typeof(this) because(string reason) return { + _evaluation.result.prependText("Because " ~ reason ~ ", "); + return this; + } + + /// Adds a formatted reason to the assertion message (Issue #79). + ref typeof(this) because(Args...)(string fmt, Args args) return if (Args.length > 0) { + import std.format : format; + _evaluation.result.prependText("Because " ~ format(fmt, args) ~ ", "); + return this; + } + + /// Attaches context data to the assertion for debugging (Issue #79). + ref typeof(this) withContext(T)(string key, T value) return { + import std.conv : to; + _evaluation.result.addContext(key, value.to!string); + return this; + } +} @safe struct Evaluator { - private { - Evaluation* evaluation; - IResult[] delegate(ref Evaluation) @safe nothrow operation; - int refCount; + private { + Evaluation _evaluation; + void delegate(ref Evaluation) @safe nothrow operation; + int refCount; + } + + @disable this(this); + + this(ref Evaluation eval, OperationFuncNoGC op) @trusted { + this._evaluation = eval; + this.operation = op.toDelegate; + this.refCount = 0; + } + + this(ref Evaluation eval, OperationFunc op) @trusted { + this._evaluation = eval; + this.operation = op.toDelegate; + this.refCount = 0; + } + + this(ref return scope inout Evaluator other) @trusted { + this._evaluation = other._evaluation; + this.operation = cast(typeof(this.operation)) other.operation; + this.refCount = other.refCount + 1; + } + + ~this() @trusted { + refCount--; + if (refCount < 0) { + executeOperation(); } + } - this(ref Evaluation eval, OperationFunc op) @trusted { - this.evaluation = &eval; - this.operation = op.toDelegate; - this.refCount = 0; - } + mixin EvaluatorContextMethods; - this(ref return scope Evaluator other) { - this.evaluation = other.evaluation; - this.operation = other.operation; - this.refCount = other.refCount + 1; - } + void inhibit() nothrow @safe @nogc { + this.refCount = int.max; + } - ~this() @trusted { - refCount--; - if (refCount < 0 && evaluation !is null) { - executeOperation(); - } - } + Throwable thrown() @trusted { + executeOperation(); + return _evaluation.throwable; + } - Evaluator because(string reason) { - evaluation.message.prependText("Because " ~ reason ~ ", "); - return this; + string msg() @trusted { + executeOperation(); + if (_evaluation.throwable is null) { + return ""; } + return _evaluation.throwable.msg.to!string; + } - void inhibit() { - this.refCount = int.max; + private void executeOperation() @trusted { + if (_evaluation.isEvaluated) { + return; } + _evaluation.isEvaluated = true; - Throwable thrown() @trusted { - executeOperation(); - return evaluation.throwable; + if (_evaluation.currentValue.throwable !is null) { + throw _evaluation.currentValue.throwable; } - string msg() @trusted { - executeOperation(); - if (evaluation.throwable is null) { - return ""; - } - return evaluation.throwable.msg.to!string; + if (_evaluation.expectedValue.throwable !is null) { + throw _evaluation.expectedValue.throwable; } - private void executeOperation() @trusted { - if (evaluation.isEvaluated) { - return; - } - evaluation.isEvaluated = true; - - auto results = operation(*evaluation); - - if (evaluation.currentValue.throwable !is null) { - throw evaluation.currentValue.throwable; - } + operation(_evaluation); + _evaluation.result.addText("."); - if (evaluation.expectedValue.throwable !is null) { - throw evaluation.expectedValue.throwable; - } - - if (results.length == 0) { - return; - } - - version (DisableSourceResult) { - } else { - results ~= evaluation.getSourceResult(); - } - - if (evaluation.message !is null) { - results = evaluation.message ~ results; - } + if (Lifecycle.instance.keepLastEvaluation) { + Lifecycle.instance.lastEvaluation = _evaluation; + } - throw new TestException(results, evaluation.sourceFile, evaluation.sourceLine); + if (!_evaluation.hasResult()) { + Lifecycle.instance.statistics.passedAssertions++; + return; } + + Lifecycle.instance.statistics.failedAssertions++; + Lifecycle.instance.handleFailure(_evaluation); + } } /// Evaluator for @trusted nothrow operations @safe struct TrustedEvaluator { - private { - Evaluation* evaluation; - IResult[] delegate(ref Evaluation) @trusted nothrow operation; - int refCount; + private { + Evaluation _evaluation; + void delegate(ref Evaluation) @trusted nothrow operation; + int refCount; + } + + @disable this(this); + + this(ref Evaluation eval, OperationFuncTrustedNoGC op) @trusted { + this._evaluation = eval; + this.operation = op.toDelegate; + this.refCount = 0; + } + + this(ref Evaluation eval, OperationFuncNoGC op) @trusted { + this._evaluation = eval; + this.operation = cast(void delegate(ref Evaluation) @trusted nothrow) op.toDelegate; + this.refCount = 0; + } + + this(ref Evaluation eval, OperationFuncTrusted op) @trusted { + this._evaluation = eval; + this.operation = op.toDelegate; + this.refCount = 0; + } + + this(ref Evaluation eval, OperationFunc op) @trusted { + this._evaluation = eval; + this.operation = cast(void delegate(ref Evaluation) @trusted nothrow) op.toDelegate; + this.refCount = 0; + } + + this(ref return scope inout TrustedEvaluator other) @trusted { + this._evaluation = other._evaluation; + this.operation = cast(typeof(this.operation)) other.operation; + this.refCount = other.refCount + 1; + } + + ~this() @trusted { + refCount--; + if (refCount < 0) { + executeOperation(); } + } - this(ref Evaluation eval, OperationFuncTrusted op) @trusted { - this.evaluation = &eval; - this.operation = op.toDelegate; - this.refCount = 0; - } + mixin EvaluatorContextMethods; - this(ref Evaluation eval, OperationFunc op) @trusted { - this.evaluation = &eval; - this.operation = cast(IResult[] delegate(ref Evaluation) @trusted nothrow) op.toDelegate; - this.refCount = 0; - } + void inhibit() nothrow @safe @nogc { + this.refCount = int.max; + } - this(ref return scope TrustedEvaluator other) { - this.evaluation = other.evaluation; - this.operation = other.operation; - this.refCount = other.refCount + 1; + private void executeOperation() @trusted { + if (_evaluation.isEvaluated) { + return; } + _evaluation.isEvaluated = true; - ~this() @trusted { - refCount--; - if (refCount < 0 && evaluation !is null) { - executeOperation(); - } - } + operation(_evaluation); + _evaluation.result.addText("."); - TrustedEvaluator because(string reason) { - evaluation.message.prependText("Because " ~ reason ~ ", "); - return this; + if (_evaluation.currentValue.throwable !is null) { + throw _evaluation.currentValue.throwable; } - void inhibit() { - this.refCount = int.max; + if (_evaluation.expectedValue.throwable !is null) { + throw _evaluation.expectedValue.throwable; } - private void executeOperation() @trusted { - if (evaluation.isEvaluated) { - return; - } - evaluation.isEvaluated = true; - - auto results = operation(*evaluation); - - if (evaluation.currentValue.throwable !is null) { - throw evaluation.currentValue.throwable; - } - - if (evaluation.expectedValue.throwable !is null) { - throw evaluation.expectedValue.throwable; - } - - if (results.length == 0) { - return; - } - - version (DisableSourceResult) { - } else { - results ~= evaluation.getSourceResult(); - } - - if (evaluation.message !is null) { - results = evaluation.message ~ results; - } + if (Lifecycle.instance.keepLastEvaluation) { + Lifecycle.instance.lastEvaluation = _evaluation; + } - throw new TestException(results, evaluation.sourceFile, evaluation.sourceLine); + if (!_evaluation.hasResult()) { + Lifecycle.instance.statistics.passedAssertions++; + return; } + + Lifecycle.instance.statistics.failedAssertions++; + Lifecycle.instance.handleFailure(_evaluation); + } } /// Evaluator for throwable operations that can chain with withMessage @safe struct ThrowableEvaluator { - private { - Evaluation* evaluation; - IResult[] delegate(ref Evaluation) @trusted nothrow standaloneOp; - IResult[] delegate(ref Evaluation) @trusted nothrow withMessageOp; - int refCount; - bool chainedWithMessage; + private { + Evaluation _evaluation; + void delegate(ref Evaluation) @trusted nothrow standaloneOp; + void delegate(ref Evaluation) @trusted nothrow withMessageOp; + int refCount; + bool chainedWithMessage; + } + + @disable this(this); + + this(ref Evaluation eval, OperationFuncTrusted standalone, OperationFuncTrusted withMsg) @trusted { + this._evaluation = eval; + this.standaloneOp = standalone.toDelegate; + this.withMessageOp = withMsg.toDelegate; + this.refCount = 0; + this.chainedWithMessage = false; + } + + this(ref return scope inout ThrowableEvaluator other) @trusted { + this._evaluation = other._evaluation; + this.standaloneOp = cast(typeof(this.standaloneOp)) other.standaloneOp; + this.withMessageOp = cast(typeof(this.withMessageOp)) other.withMessageOp; + this.refCount = other.refCount + 1; + this.chainedWithMessage = other.chainedWithMessage; + } + + ~this() @trusted { + refCount--; + if (refCount < 0 && !chainedWithMessage) { + executeOperation(standaloneOp); } + } - this(ref Evaluation eval, OperationFuncTrusted standalone, OperationFuncTrusted withMsg) @trusted { - this.evaluation = &eval; - this.standaloneOp = standalone.toDelegate; - this.withMessageOp = withMsg.toDelegate; - this.refCount = 0; - this.chainedWithMessage = false; - } + ref ThrowableEvaluator withMessage() return { + _evaluation.addOperationName("withMessage"); + _evaluation.result.addText(" with message"); + return this; + } - this(ref return scope ThrowableEvaluator other) { - this.evaluation = other.evaluation; - this.standaloneOp = other.standaloneOp; - this.withMessageOp = other.withMessageOp; - this.refCount = other.refCount + 1; - this.chainedWithMessage = other.chainedWithMessage; - } + ref ThrowableEvaluator withMessage(T)(T message) return { + _evaluation.addOperationName("withMessage"); + _evaluation.result.addText(" with message"); - ~this() @trusted { - refCount--; - if (refCount < 0 && !chainedWithMessage && evaluation !is null) { - executeOperation(standaloneOp); - } + auto expectedValue = message.evaluate.evaluation; + foreach (kv; _evaluation.expectedValue.meta.byKeyValue) { + expectedValue.meta[kv.key] = kv.value; } - - ThrowableEvaluator withMessage() { - evaluation.operationName ~= ".withMessage"; - evaluation.message.addText(" with message"); - return this; + _evaluation.expectedValue = expectedValue; + () @trusted { _evaluation.expectedValue.meta["0"] = HeapSerializerRegistry.instance.serialize(message); }(); + + if (!_evaluation.expectedValue.niceValue.empty) { + _evaluation.result.addText(" "); + _evaluation.result.addValue(_evaluation.expectedValue.niceValue[]); + } else if (!_evaluation.expectedValue.strValue.empty) { + _evaluation.result.addText(" "); + _evaluation.result.addValue(_evaluation.expectedValue.strValue[]); } - ThrowableEvaluator withMessage(T)(T message) { - evaluation.operationName ~= ".withMessage"; - evaluation.message.addText(" with message"); - - auto expectedValue = message.evaluate.evaluation; - foreach (key, value; evaluation.expectedValue.meta) { - expectedValue.meta[key] = value; - } - evaluation.expectedValue = expectedValue; - () @trusted { evaluation.expectedValue.meta["0"] = SerializerRegistry.instance.serialize(message); }(); - - if (evaluation.expectedValue.niceValue) { - evaluation.message.addText(" "); - evaluation.message.addValue(evaluation.expectedValue.niceValue); - } else if (evaluation.expectedValue.strValue) { - evaluation.message.addText(" "); - evaluation.message.addValue(evaluation.expectedValue.strValue); - } - - chainedWithMessage = true; - executeOperation(withMessageOp); - inhibit(); - return this; - } + chainedWithMessage = true; + executeOperation(withMessageOp); + inhibit(); + return this; + } - ThrowableEvaluator equal(T)(T value) { - evaluation.operationName ~= ".equal"; - - auto expectedValue = value.evaluate.evaluation; - foreach (key, v; evaluation.expectedValue.meta) { - expectedValue.meta[key] = v; - } - evaluation.expectedValue = expectedValue; - () @trusted { evaluation.expectedValue.meta["0"] = SerializerRegistry.instance.serialize(value); }(); - - evaluation.message.addText(" equal"); - if (evaluation.expectedValue.niceValue) { - evaluation.message.addText(" "); - evaluation.message.addValue(evaluation.expectedValue.niceValue); - } else if (evaluation.expectedValue.strValue) { - evaluation.message.addText(" "); - evaluation.message.addValue(evaluation.expectedValue.strValue); - } - - chainedWithMessage = true; - executeOperation(withMessageOp); - inhibit(); - return this; - } + ref ThrowableEvaluator equal(T)(T value) return { + _evaluation.addOperationName("equal"); - ThrowableEvaluator because(string reason) { - evaluation.message.prependText("Because " ~ reason ~ ", "); - return this; + auto expectedValue = value.evaluate.evaluation; + foreach (kv; _evaluation.expectedValue.meta.byKeyValue) { + expectedValue.meta[kv.key] = kv.value; } - - void inhibit() { - this.refCount = int.max; + _evaluation.expectedValue = expectedValue; + () @trusted { _evaluation.expectedValue.meta["0"] = HeapSerializerRegistry.instance.serialize(value); }(); + + _evaluation.result.addText(" equal"); + if (!_evaluation.expectedValue.niceValue.empty) { + _evaluation.result.addText(" "); + _evaluation.result.addValue(_evaluation.expectedValue.niceValue[]); + } else if (!_evaluation.expectedValue.strValue.empty) { + _evaluation.result.addText(" "); + _evaluation.result.addValue(_evaluation.expectedValue.strValue[]); } - Throwable thrown() @trusted { - executeOperation(standaloneOp); - return evaluation.throwable; - } - - string msg() @trusted { - executeOperation(standaloneOp); - if (evaluation.throwable is null) { - return ""; - } - return evaluation.throwable.msg.to!string; - } - - private void finalizeMessage() { - evaluation.message.addText(" "); - evaluation.message.addText(toNiceOperation(evaluation.operationName)); - - if (evaluation.expectedValue.niceValue) { - evaluation.message.addText(" "); - evaluation.message.addValue(evaluation.expectedValue.niceValue); - } else if (evaluation.expectedValue.strValue) { - evaluation.message.addText(" "); - evaluation.message.addValue(evaluation.expectedValue.strValue); - } - } + chainedWithMessage = true; + executeOperation(withMessageOp); + inhibit(); + return this; + } - private void executeOperation(IResult[] delegate(ref Evaluation) @trusted nothrow op) @trusted { - if (evaluation.isEvaluated) { - return; - } - evaluation.isEvaluated = true; + mixin EvaluatorContextMethods; - auto results = op(*evaluation); + void inhibit() nothrow @safe @nogc { + this.refCount = int.max; + } - if (evaluation.currentValue.throwable !is null) { - throw evaluation.currentValue.throwable; - } + Throwable thrown() @trusted { + executeOperation(standaloneOp); + return _evaluation.throwable; + } - if (evaluation.expectedValue.throwable !is null) { - throw evaluation.expectedValue.throwable; - } - - if (results.length == 0) { - return; - } - - version (DisableSourceResult) { - } else { - results ~= evaluation.getSourceResult(); - } - - if (evaluation.message !is null) { - results = evaluation.message ~ results; - } - - throw new TestException(results, evaluation.sourceFile, evaluation.sourceLine); + string msg() @trusted { + executeOperation(standaloneOp); + if (_evaluation.throwable is null) { + return ""; } -} + return _evaluation.throwable.msg.to!string; + } + + private void finalizeMessage() { + _evaluation.result.addText(" "); + _evaluation.result.addText(toNiceOperation(_evaluation.operationName)); + + if (!_evaluation.expectedValue.niceValue.empty) { + _evaluation.result.addText(" "); + _evaluation.result.addValue(_evaluation.expectedValue.niceValue[]); + } else if (!_evaluation.expectedValue.strValue.empty) { + _evaluation.result.addText(" "); + _evaluation.result.addValue(_evaluation.expectedValue.strValue[]); + } + } -private string toNiceOperation(string value) @safe nothrow { - import std.uni : toLower, isUpper, isLower; + private void executeOperation(void delegate(ref Evaluation) @trusted nothrow op) @trusted { + if (_evaluation.isEvaluated) { + return; + } + _evaluation.isEvaluated = true; - string newValue; + op(_evaluation); + _evaluation.result.addText("."); - foreach (index, ch; value) { - if (index == 0) { - newValue ~= ch.toLower; - continue; - } + if (_evaluation.currentValue.throwable !is null) { + throw _evaluation.currentValue.throwable; + } - if (ch == '.') { - newValue ~= ' '; - continue; - } + if (_evaluation.expectedValue.throwable !is null) { + throw _evaluation.expectedValue.throwable; + } - if (ch.isUpper && value[index - 1].isLower) { - newValue ~= ' '; - newValue ~= ch.toLower; - continue; - } + if (Lifecycle.instance.keepLastEvaluation) { + Lifecycle.instance.lastEvaluation = _evaluation; + } - newValue ~= ch; + if (!_evaluation.hasResult()) { + Lifecycle.instance.statistics.passedAssertions++; + return; } - return newValue; + Lifecycle.instance.statistics.failedAssertions++; + Lifecycle.instance.handleFailure(_evaluation); + } } diff --git a/source/fluentasserts/core/expect.d b/source/fluentasserts/core/expect.d index f590d951..90536771 100644 --- a/source/fluentasserts/core/expect.d +++ b/source/fluentasserts/core/expect.d @@ -1,26 +1,34 @@ +/// Main fluent API for assertions. +/// Provides the Expect struct and expect() factory functions. module fluentasserts.core.expect; import fluentasserts.core.lifecycle; -import fluentasserts.core.evaluation; +import fluentasserts.core.evaluation.eval : Evaluation, evaluate, evaluateObject; +import fluentasserts.core.evaluation.value : ValueEvaluation; import fluentasserts.core.evaluator; -import fluentasserts.core.results; - -import fluentasserts.core.serializers; - -import fluentasserts.core.operations.equal : equalOp = equal; -import fluentasserts.core.operations.arrayEqual : arrayEqualOp = arrayEqual; -import fluentasserts.core.operations.contain : containOp = contain, arrayContainOp = arrayContain, arrayContainOnlyOp = arrayContainOnly; -import fluentasserts.core.operations.startWith : startWithOp = startWith; -import fluentasserts.core.operations.endWith : endWithOp = endWith; -import fluentasserts.core.operations.beNull : beNullOp = beNull; -import fluentasserts.core.operations.instanceOf : instanceOfOp = instanceOf; -import fluentasserts.core.operations.greaterThan : greaterThanOp = greaterThan, greaterThanDurationOp = greaterThanDuration, greaterThanSysTimeOp = greaterThanSysTime; -import fluentasserts.core.operations.greaterOrEqualTo : greaterOrEqualToOp = greaterOrEqualTo, greaterOrEqualToDurationOp = greaterOrEqualToDuration, greaterOrEqualToSysTimeOp = greaterOrEqualToSysTime; -import fluentasserts.core.operations.lessThan : lessThanOp = lessThan, lessThanDurationOp = lessThanDuration, lessThanSysTimeOp = lessThanSysTime, lessThanGenericOp = lessThanGeneric; -import fluentasserts.core.operations.lessOrEqualTo : lessOrEqualToOp = lessOrEqualTo; -import fluentasserts.core.operations.between : betweenOp = between, betweenDurationOp = betweenDuration, betweenSysTimeOp = betweenSysTime; -import fluentasserts.core.operations.approximately : approximatelyOp = approximately, approximatelyListOp = approximatelyList; -import fluentasserts.core.operations.throwable : throwAnyExceptionOp = throwAnyException, throwExceptionOp = throwException, throwAnyExceptionWithMessageOp = throwAnyExceptionWithMessage, throwExceptionWithMessageOp = throwExceptionWithMessage, throwSomethingOp = throwSomething, throwSomethingWithMessageOp = throwSomethingWithMessage; +import fluentasserts.core.memory.heapstring : toHeapString; + +import fluentasserts.results.printer; +import fluentasserts.results.formatting : toNiceOperation; +import fluentasserts.results.serializers.heap_registry : HeapSerializerRegistry; + +import fluentasserts.operations.equality.equal : equalOp = equal; +import fluentasserts.operations.equality.arrayEqual : arrayEqualOp = arrayEqual; +import fluentasserts.operations.string.contain : containOp = contain, arrayContainOp = arrayContain, arrayContainOnlyOp = arrayContainOnly; +import fluentasserts.operations.string.startWith : startWithOp = startWith; +import fluentasserts.operations.string.endWith : endWithOp = endWith; +import fluentasserts.operations.type.beNull : beNullOp = beNull; +import fluentasserts.operations.type.instanceOf : instanceOfOp = instanceOf; +import fluentasserts.operations.comparison.greaterThan : greaterThanOp = greaterThan, greaterThanDurationOp = greaterThanDuration, greaterThanSysTimeOp = greaterThanSysTime; +import fluentasserts.operations.comparison.greaterOrEqualTo : greaterOrEqualToOp = greaterOrEqualTo, greaterOrEqualToDurationOp = greaterOrEqualToDuration, greaterOrEqualToSysTimeOp = greaterOrEqualToSysTime; +import fluentasserts.operations.comparison.lessThan : lessThanOp = lessThan, lessThanDurationOp = lessThanDuration, lessThanSysTimeOp = lessThanSysTime, lessThanGenericOp = lessThanGeneric; +import fluentasserts.operations.comparison.lessOrEqualTo : lessOrEqualToOp = lessOrEqualTo, lessOrEqualToDurationOp = lessOrEqualToDuration, lessOrEqualToSysTimeOp = lessOrEqualToSysTime; +import fluentasserts.operations.comparison.between : betweenOp = between, betweenDurationOp = betweenDuration, betweenSysTimeOp = betweenSysTime; +import fluentasserts.operations.comparison.approximately : approximatelyOp = approximately, approximatelyListOp = approximatelyList; +import fluentasserts.operations.exception.throwable : throwAnyExceptionOp = throwAnyException, throwExceptionOp = throwException, throwAnyExceptionWithMessageOp = throwAnyExceptionWithMessage, throwExceptionWithMessageOp = throwExceptionWithMessage, throwSomethingOp = throwSomething, throwSomethingWithMessageOp = throwSomethingWithMessage; +import fluentasserts.operations.memory.gcMemory : allocateGCMemoryOp = allocateGCMemory; +import fluentasserts.operations.memory.nonGcMemory : allocateNonGCMemoryOp = allocateNonGCMemory; +import fluentasserts.core.config : config = FluentAssertsConfig, fluentAssertsEnabled; import std.datetime : Duration, SysTime; @@ -29,84 +37,138 @@ import std.string; import std.uni; import std.conv; -/// +/// Ensures the Lifecycle singleton is initialized. +/// Called from Expect to handle the case where assertions are used +/// in shared static this() before the module static this() runs. +private Lifecycle ensureLifecycle() @trusted { + if (Lifecycle.instance is null) { + Lifecycle.instance = new Lifecycle(); + } + return Lifecycle.instance; +} + +/// Truncates a string value for display in assertion messages. +/// Only multiline strings are shortened to keep messages readable. +/// Long single-line values are kept intact to preserve type names and other identifiers. +string truncateForMessage(const(char)[] value) @trusted nothrow { + if (value.length == 0) { + return ""; + } + + foreach (i, c; value) { + if (c == '\n') { + return "(multiline string)"; + } + + if (c == '\\' && i + 1 < value.length && value[i + 1] == 'n') { + return "(multiline string)"; + } + } + + return value.idup; +} + +/// The main fluent assertion struct. +/// Provides a chainable API for building assertions with modifiers like +/// `not`, `be`, and `to`, and terminal operations like `equal`, `contain`, etc. @safe struct Expect { private { - Evaluation* _evaluation; + Evaluation _evaluation; int refCount; + bool _initialized; } - /// Getter for evaluation - allows external extensions via UFCS - ref Evaluation evaluation() { - return *_evaluation; + /// Returns true if this Expect was properly initialized. + /// Used to skip processing for no-op assertions in release builds. + bool isInitialized() const @nogc nothrow { + return _initialized; } - this(ValueEvaluation value) @trusted { - this._evaluation = new Evaluation(); + /// Returns a reference to the underlying evaluation. + /// Allows external extensions via UFCS. + ref Evaluation evaluation() return nothrow @nogc { + return _evaluation; + } - _evaluation.id = Lifecycle.instance.beginEvaluation(value); + /// Constructs an Expect from a ValueEvaluation. + /// Initializes the evaluation state and sets up the initial message. + /// Source parsing is deferred until assertion failure for performance. + this(ValueEvaluation value) @trusted { + _initialized = true; + _evaluation.id = ensureLifecycle().beginEvaluation(value); _evaluation.currentValue = value; - _evaluation.message = new MessageResult(); - _evaluation.source = SourceResultData.create(value.fileName, value.line); - - try { - auto sourceValue = _evaluation.source.getValue; + _evaluation.source = SourceResult.create(value.fileName[].idup, value.line); - if(sourceValue == "") { - _evaluation.message.startWith(_evaluation.currentValue.niceValue); - } else { - _evaluation.message.startWith(sourceValue); - } - } catch(Exception) { - _evaluation.message.startWith(_evaluation.currentValue.strValue); + // Use niceValue/strValue for the message - source parsing is expensive + // and only needed when assertions fail (done lazily in SourceResult) + if (!_evaluation.currentValue.niceValue.empty) { + _evaluation.result.startWith(truncateForMessage(_evaluation.currentValue.niceValue[])); + } else { + _evaluation.result.startWith(truncateForMessage(_evaluation.currentValue.strValue[])); } - _evaluation.message.addText(" should"); + _evaluation.result.addText(" should"); - if(value.prependText) { - _evaluation.message.addText(value.prependText); + if (value.prependText.length > 0) { + _evaluation.result.addText(value.prependText[].idup); } } - this(ref return scope Expect another) { + /// Disable postblit to allow copy constructor to work + @disable this(this); + + /// Copy constructor - properly handles Evaluation with HeapString fields. + /// Increments the source's refCount so only the last copy triggers finalization. + this(ref return scope Expect another) @trusted nothrow { this._evaluation = another._evaluation; - this.refCount = another.refCount + 1; + this._initialized = another._initialized; + this.refCount = 0; // New copy starts with 0 + another.refCount++; // Prevent source from finalizing } + /// Destructor. Finalizes the evaluation when reference count reaches zero. + /// Does nothing if the Expect was never initialized (e.g., in release builds). ~this() { + if (!_initialized) { + return; + } + refCount--; - if(refCount < 0 && _evaluation !is null) { - _evaluation.message.addText(" "); - _evaluation.message.addText(_evaluation.operationName.toNiceOperation); + if(refCount < 0) { + _evaluation.result.addText(" "); + _evaluation.result.addText(_evaluation.operationName.toNiceOperation); - if(_evaluation.expectedValue.niceValue) { - _evaluation.message.addText(" "); - _evaluation.message.addValue(_evaluation.expectedValue.niceValue); - } else if(_evaluation.expectedValue.strValue) { - _evaluation.message.addText(" "); - _evaluation.message.addValue(_evaluation.expectedValue.strValue); + if(!_evaluation.expectedValue.niceValue.empty) { + _evaluation.result.addText(" "); + _evaluation.result.addValue(truncateForMessage(_evaluation.expectedValue.niceValue[])); + } else if(!_evaluation.expectedValue.strValue.empty) { + _evaluation.result.addText(" "); + _evaluation.result.addValue(truncateForMessage(_evaluation.expectedValue.strValue[])); } - Lifecycle.instance.endEvaluation(*_evaluation); + ensureLifecycle().endEvaluation(_evaluation); } } - /// Finalize the message before creating an Evaluator - for external extensions + /// Finalizes the assertion message before creating an Evaluator. + /// Used by external extensions to complete message formatting. void finalizeMessage() { - _evaluation.message.addText(" "); - _evaluation.message.addText(_evaluation.operationName.toNiceOperation); - - if(_evaluation.expectedValue.niceValue) { - _evaluation.message.addText(" "); - _evaluation.message.addValue(_evaluation.expectedValue.niceValue); - } else if(_evaluation.expectedValue.strValue) { - _evaluation.message.addText(" "); - _evaluation.message.addValue(_evaluation.expectedValue.strValue); + _evaluation.result.addText(" "); + _evaluation.result.addText(_evaluation.operationName.toNiceOperation); + + if(!_evaluation.expectedValue.niceValue.empty) { + _evaluation.result.addText(" "); + _evaluation.result.addValue(truncateForMessage(_evaluation.expectedValue.niceValue[])); + } else if(!_evaluation.expectedValue.strValue.empty) { + _evaluation.result.addText(" "); + _evaluation.result.addValue(truncateForMessage(_evaluation.expectedValue.strValue[])); } } + /// Returns the message from the thrown exception. + /// Throws if no exception was thrown. string msg(const size_t line = __LINE__, const string file = __FILE__) @trusted { if(this.thrown is null) { throw new Exception("There were no thrown exceptions", file, line); @@ -115,74 +177,97 @@ import std.conv; return this.thrown.message.to!string; } - Expect withMessage(const size_t line = __LINE__, const string file = __FILE__) { + /// Chains with message expectation (no argument version). + ref Expect withMessage(const size_t line = __LINE__, const string file = __FILE__) return { addOperationName("withMessage"); return this; } - Expect withMessage(string message, const size_t line = __LINE__, const string file = __FILE__) { + /// Chains with message expectation for a specific message. + ref Expect withMessage(string message, const size_t line = __LINE__, const string file = __FILE__) return { return opDispatch!"withMessage"(message); } + /// Returns the throwable captured during evaluation. Throwable thrown() { - Lifecycle.instance.endEvaluation(*_evaluation); + ensureLifecycle().endEvaluation(_evaluation); return _evaluation.throwable; } - /// - Expect to() { + /// Syntactic sugar - returns self for chaining. + ref Expect to() return nothrow @nogc { return this; } - /// - Expect be () { - _evaluation.message.addText(" be"); + /// Adds "be" to the assertion message for readability. + ref Expect be() return { + _evaluation.result.addText(" be"); return this; } - /// - Expect not() { + /// Negates the assertion condition. + ref Expect not() return { _evaluation.isNegated = !_evaluation.isNegated; - _evaluation.message.addText(" not"); + _evaluation.result.addText(" not"); return this; } - /// + /// Asserts that the callable throws any exception. ThrowableEvaluator throwAnyException() @trusted { addOperationName("throwAnyException"); finalizeMessage(); inhibit(); - return ThrowableEvaluator(*_evaluation, &throwAnyExceptionOp, &throwAnyExceptionWithMessageOp); + return ThrowableEvaluator(_evaluation, &throwAnyExceptionOp, &throwAnyExceptionWithMessageOp); } - /// + /// Asserts that the callable throws something (exception or error). ThrowableEvaluator throwSomething() @trusted { addOperationName("throwSomething"); finalizeMessage(); inhibit(); - return ThrowableEvaluator(*_evaluation, &throwSomethingOp, &throwSomethingWithMessageOp); + return ThrowableEvaluator(_evaluation, &throwSomethingOp, &throwSomethingWithMessageOp); } - /// + /// Asserts that the callable throws a specific exception type. ThrowableEvaluator throwException(Type)() @trusted { + import fluentasserts.core.memory.heapstring : toHeapString; this._evaluation.expectedValue.meta["exceptionType"] = fullyQualifiedName!Type; this._evaluation.expectedValue.meta["throwableType"] = fullyQualifiedName!Type; - this._evaluation.expectedValue.strValue = "\"" ~ fullyQualifiedName!Type ~ "\""; + this._evaluation.expectedValue.strValue = toHeapString("\"" ~ fullyQualifiedName!Type ~ "\""); addOperationName("throwException"); - _evaluation.message.addText(" throw exception "); - _evaluation.message.addValue(_evaluation.expectedValue.strValue); + _evaluation.result.addText(" throw exception "); + _evaluation.result.addValue(_evaluation.expectedValue.strValue[]); inhibit(); - return ThrowableEvaluator(*_evaluation, &throwExceptionOp, &throwExceptionWithMessageOp); + return ThrowableEvaluator(_evaluation, &throwExceptionOp, &throwExceptionWithMessageOp); + } + + /// Adds a reason to the assertion message. + /// The reason is prepended: "Because , ..." + ref Expect because(string reason) return { + _evaluation.result.prependText("Because " ~ reason ~ ", "); + return this; } - auto because(string reason) { - _evaluation.message.prependText("Because " ~ reason ~ ", "); + /// Adds a formatted reason to the assertion message (Issue #79). + /// Supports printf-style formatting: because("At iteration %s", i) + ref Expect because(Args...)(string fmt, Args args) return if (Args.length > 0) { + import std.format : format; + _evaluation.result.prependText("Because " ~ format(fmt, args) ~ ", "); return this; } - /// + /// Attaches context data to the assertion for debugging (Issue #79). + /// Context is displayed alongside the failure message. + /// Can be chained: .withContext("key1", val1).withContext("key2", val2) + ref Expect withContext(T)(string key, T value) return { + import std.conv : to; + _evaluation.result.addContext(key, value.to!string); + return this; + } + + /// Asserts that the actual value equals the expected value. Evaluator equal(T)(T value) { import std.algorithm : endsWith; @@ -192,13 +277,13 @@ import std.conv; inhibit(); if (_evaluation.currentValue.typeName.endsWith("[]") || _evaluation.currentValue.typeName.endsWith("]")) { - return Evaluator(*_evaluation, &arrayEqualOp); + return Evaluator(_evaluation, &arrayEqualOp); } else { - return Evaluator(*_evaluation, &equalOp); + return Evaluator(_evaluation, &equalOp); } } - /// + /// Asserts that the actual value contains the expected value. TrustedEvaluator contain(T)(T value) { import std.algorithm : endsWith; @@ -208,13 +293,13 @@ import std.conv; inhibit(); if (_evaluation.currentValue.typeName.endsWith("[]")) { - return TrustedEvaluator(*_evaluation, &arrayContainOp); + return TrustedEvaluator(_evaluation, &arrayContainOp); } else { - return TrustedEvaluator(*_evaluation, &containOp); + return TrustedEvaluator(_evaluation, &containOp); } } - /// + /// Asserts that the actual value is greater than the expected value. Evaluator greaterThan(T)(T value) { addOperationName("greaterThan"); setExpectedValue(value); @@ -222,15 +307,15 @@ import std.conv; inhibit(); static if (is(T == Duration)) { - return Evaluator(*_evaluation, &greaterThanDurationOp); + return Evaluator(_evaluation, &greaterThanDurationOp); } else static if (is(T == SysTime)) { - return Evaluator(*_evaluation, &greaterThanSysTimeOp); + return Evaluator(_evaluation, &greaterThanSysTimeOp); } else { - return Evaluator(*_evaluation, &greaterThanOp!T); + return Evaluator(_evaluation, &greaterThanOp!T); } } - /// + /// Asserts that the actual value is greater than or equal to the expected value. Evaluator greaterOrEqualTo(T)(T value) { addOperationName("greaterOrEqualTo"); setExpectedValue(value); @@ -238,15 +323,15 @@ import std.conv; inhibit(); static if (is(T == Duration)) { - return Evaluator(*_evaluation, &greaterOrEqualToDurationOp); + return Evaluator(_evaluation, &greaterOrEqualToDurationOp); } else static if (is(T == SysTime)) { - return Evaluator(*_evaluation, &greaterOrEqualToSysTimeOp); + return Evaluator(_evaluation, &greaterOrEqualToSysTimeOp); } else { - return Evaluator(*_evaluation, &greaterOrEqualToOp!T); + return Evaluator(_evaluation, &greaterOrEqualToOp!T); } } - /// + /// Asserts that the actual value is above (greater than) the expected value. Evaluator above(T)(T value) { addOperationName("above"); setExpectedValue(value); @@ -254,15 +339,15 @@ import std.conv; inhibit(); static if (is(T == Duration)) { - return Evaluator(*_evaluation, &greaterThanDurationOp); + return Evaluator(_evaluation, &greaterThanDurationOp); } else static if (is(T == SysTime)) { - return Evaluator(*_evaluation, &greaterThanSysTimeOp); + return Evaluator(_evaluation, &greaterThanSysTimeOp); } else { - return Evaluator(*_evaluation, &greaterThanOp!T); + return Evaluator(_evaluation, &greaterThanOp!T); } } - /// + /// Asserts that the actual value is less than the expected value. Evaluator lessThan(T)(T value) { addOperationName("lessThan"); setExpectedValue(value); @@ -270,26 +355,33 @@ import std.conv; inhibit(); static if (is(T == Duration)) { - return Evaluator(*_evaluation, &lessThanDurationOp); + return Evaluator(_evaluation, &lessThanDurationOp); } else static if (is(T == SysTime)) { - return Evaluator(*_evaluation, &lessThanSysTimeOp); + return Evaluator(_evaluation, &lessThanSysTimeOp); } else static if (isNumeric!T) { - return Evaluator(*_evaluation, &lessThanOp!T); + return Evaluator(_evaluation, &lessThanOp!T); } else { - return Evaluator(*_evaluation, &lessThanGenericOp); + return Evaluator(_evaluation, &lessThanGenericOp); } } - /// + /// Asserts that the actual value is less than or equal to the expected value. Evaluator lessOrEqualTo(T)(T value) { addOperationName("lessOrEqualTo"); setExpectedValue(value); finalizeMessage(); inhibit(); - return Evaluator(*_evaluation, &lessOrEqualToOp!T); + + static if (is(T == Duration)) { + return Evaluator(_evaluation, &lessOrEqualToDurationOp); + } else static if (is(T == SysTime)) { + return Evaluator(_evaluation, &lessOrEqualToSysTimeOp); + } else { + return Evaluator(_evaluation, &lessOrEqualToOp!T); + } } - /// + /// Asserts that the actual value is below (less than) the expected value. Evaluator below(T)(T value) { addOperationName("below"); setExpectedValue(value); @@ -297,109 +389,118 @@ import std.conv; inhibit(); static if (is(T == Duration)) { - return Evaluator(*_evaluation, &lessThanDurationOp); + return Evaluator(_evaluation, &lessThanDurationOp); } else static if (is(T == SysTime)) { - return Evaluator(*_evaluation, &lessThanSysTimeOp); + return Evaluator(_evaluation, &lessThanSysTimeOp); } else static if (isNumeric!T) { - return Evaluator(*_evaluation, &lessThanOp!T); + return Evaluator(_evaluation, &lessThanOp!T); } else { - return Evaluator(*_evaluation, &lessThanGenericOp); + return Evaluator(_evaluation, &lessThanGenericOp); } } - /// + /// Asserts that the string starts with the expected prefix. Evaluator startWith(T)(T value) { addOperationName("startWith"); setExpectedValue(value); finalizeMessage(); inhibit(); - return Evaluator(*_evaluation, &startWithOp); + return Evaluator(_evaluation, &startWithOp); } - /// + /// Asserts that the string ends with the expected suffix. Evaluator endWith(T)(T value) { addOperationName("endWith"); setExpectedValue(value); finalizeMessage(); inhibit(); - return Evaluator(*_evaluation, &endWithOp); + return Evaluator(_evaluation, &endWithOp); } + /// Asserts that the collection contains only the expected elements. Evaluator containOnly(T)(T value) { addOperationName("containOnly"); setExpectedValue(value); finalizeMessage(); inhibit(); - return Evaluator(*_evaluation, &arrayContainOnlyOp); + return Evaluator(_evaluation, &arrayContainOnlyOp); } + /// Asserts that the value is null. Evaluator beNull() { addOperationName("beNull"); finalizeMessage(); inhibit(); - return Evaluator(*_evaluation, &beNullOp); + return Evaluator(_evaluation, &beNullOp); } + /// Asserts that the value is an instance of the specified type. Evaluator instanceOf(Type)() { addOperationName("instanceOf"); - this._evaluation.expectedValue.strValue = "\"" ~ fullyQualifiedName!Type ~ "\""; + this._evaluation.expectedValue.typeNames.put(fullyQualifiedName!Type); + this._evaluation.expectedValue.strValue = toHeapString("\"" ~ fullyQualifiedName!Type ~ "\""); finalizeMessage(); inhibit(); - return Evaluator(*_evaluation, &instanceOfOp); + return Evaluator(_evaluation, &instanceOfOp); } + /// Asserts that the value is approximately equal to expected within range. Evaluator approximately(T, U)(T value, U range) { import std.traits : isArray; addOperationName("approximately"); setExpectedValue(value); - () @trusted { _evaluation.expectedValue.meta["1"] = SerializerRegistry.instance.serialize(range); } (); + () @trusted { _evaluation.expectedValue.meta["1"] = HeapSerializerRegistry.instance.serialize(range); } (); finalizeMessage(); inhibit(); static if (isArray!T) { - return Evaluator(*_evaluation, &approximatelyListOp); + return Evaluator(_evaluation, &approximatelyListOp); } else { - return Evaluator(*_evaluation, &approximatelyOp); + return Evaluator(_evaluation, &approximatelyOp); } } + /// Asserts that the value is between two bounds (exclusive). Evaluator between(T, U)(T value, U range) { addOperationName("between"); setExpectedValue(value); - () @trusted { _evaluation.expectedValue.meta["1"] = SerializerRegistry.instance.serialize(range); } (); + () @trusted { _evaluation.expectedValue.meta["1"] = HeapSerializerRegistry.instance.serialize(range); } (); finalizeMessage(); inhibit(); static if (is(T == Duration)) { - return Evaluator(*_evaluation, &betweenDurationOp); + return Evaluator(_evaluation, &betweenDurationOp); } else static if (is(T == SysTime)) { - return Evaluator(*_evaluation, &betweenSysTimeOp); + return Evaluator(_evaluation, &betweenSysTimeOp); } else { - return Evaluator(*_evaluation, &betweenOp!T); + return Evaluator(_evaluation, &betweenOp!T); } } + /// Asserts that the value is within two bounds (alias for between). Evaluator within(T, U)(T value, U range) { addOperationName("within"); setExpectedValue(value); - () @trusted { _evaluation.expectedValue.meta["1"] = SerializerRegistry.instance.serialize(range); } (); + () @trusted { _evaluation.expectedValue.meta["1"] = HeapSerializerRegistry.instance.serialize(range); } (); finalizeMessage(); inhibit(); static if (is(T == Duration)) { - return Evaluator(*_evaluation, &betweenDurationOp); + return Evaluator(_evaluation, &betweenDurationOp); } else static if (is(T == SysTime)) { - return Evaluator(*_evaluation, &betweenSysTimeOp); + return Evaluator(_evaluation, &betweenSysTimeOp); } else { - return Evaluator(*_evaluation, &betweenOp!T); + return Evaluator(_evaluation, &betweenOp!T); } } - void inhibit() { + /// Prevents the destructor from finalizing the evaluation. + void inhibit() nothrow @safe @nogc { this.refCount = int.max; } + /// Returns an Expect for the execution time of the current value. auto haveExecutionTime() { this.inhibit; @@ -408,31 +509,43 @@ import std.conv; return result; } - void addOperationName(string value) { + auto allocateGCMemory() { + addOperationName("allocateGCMemory"); + finalizeMessage(); + inhibit(); - if(this._evaluation.operationName) { - this._evaluation.operationName ~= "."; - } + return Evaluator(_evaluation, &allocateGCMemoryOp); + } + + auto allocateNonGCMemory() { + addOperationName("allocateNonGCMemory"); + finalizeMessage(); + inhibit(); + + return Evaluator(_evaluation, &allocateNonGCMemoryOp); + } - this._evaluation.operationName ~= value; + /// Appends an operation name to the current operation chain. + void addOperationName(string value) nothrow @safe @nogc { + this._evaluation.addOperationName(value); } - /// - Expect opDispatch(string methodName)() { + /// Dispatches unknown method names as operations (no arguments). + ref Expect opDispatch(string methodName)() return nothrow @nogc { addOperationName(methodName); return this; } - /// - Expect opDispatch(string methodName, Params...)(Params params) if(Params.length > 0) { + /// Dispatches unknown method names as operations with arguments. + ref Expect opDispatch(string methodName, Params...)(Params params) return if(Params.length > 0) { addOperationName(methodName); static if(Params.length > 0) { auto expectedValue = params[0].evaluate.evaluation; - foreach(key, value; _evaluation.expectedValue.meta) { - expectedValue.meta[key] = value; + foreach(kv; _evaluation.expectedValue.meta.byKeyValue) { + expectedValue.meta[kv.key] = kv.value; } _evaluation.expectedValue = expectedValue; @@ -440,87 +553,150 @@ import std.conv; static if(Params.length >= 1) { static foreach (i, Param; Params) { - () @trusted { _evaluation.expectedValue.meta[i.to!string] = SerializerRegistry.instance.serialize(params[i]); } (); + () @trusted { _evaluation.expectedValue.meta[i.to!string] = HeapSerializerRegistry.instance.serialize(params[i]); } (); } } return this; } - /// Set expected value - helper for terminal operations + /// Sets the expected value for terminal operations. + /// Serializes the value and stores it in the evaluation. void setExpectedValue(T)(T value) @trusted { auto expectedValue = value.evaluate.evaluation; - foreach(key, v; _evaluation.expectedValue.meta) { - expectedValue.meta[key] = v; + foreach(kv; _evaluation.expectedValue.meta.byKeyValue) { + expectedValue.meta[kv.key] = kv.value; } _evaluation.expectedValue = expectedValue; - _evaluation.expectedValue.meta["0"] = SerializerRegistry.instance.serialize(value); + _evaluation.expectedValue.meta["0"] = HeapSerializerRegistry.instance.serialize(value); } } -/// +/// Creates an Expect from a callable delegate. +/// Executes the delegate and captures any thrown exception. +/// In release builds (unless FluentAssertsDebug is set), this is a no-op. Expect expect(void delegate() callable, const string file = __FILE__, const size_t line = __LINE__, string prependText = null) @trusted { - ValueEvaluation value; - value.typeNames = [ "callable" ]; + static if (!fluentAssertsEnabled) { + return Expect.init; + } else { + ValueEvaluation value; + value.typeNames.put("callable"); - try { - if(callable !is null) { - callable(); - } else { - value.typeNames = ["null"]; + try { + if(callable !is null) { + callable(); + } else { + value.typeNames.clear(); + value.typeNames.put("null"); + } + } catch(Exception e) { + value.throwable = e; + value.meta["Exception"] = "yes"; + } catch(Throwable t) { + value.throwable = t; + value.meta["Throwable"] = "yes"; } - } catch(Exception e) { - value.throwable = e; - value.meta["Exception"] = "yes"; - } catch(Throwable t) { - value.throwable = t; - value.meta["Throwable"] = "yes"; - } - value.fileName = file; - value.line = line; - value.prependText = prependText; + value.fileName = toHeapString(file); + value.line = line; + value.prependText = toHeapString(prependText); - return Expect(value); + auto result = Expect(value); + return result; + } } -/// +/// Creates an Expect struct from a lazy value. +/// Params: +/// testedValue = The value to test +/// file = Source file (auto-filled) +/// line = Source line (auto-filled) +/// prependText = Optional text to prepend to the value display +/// Returns: An Expect struct for fluent assertions +/// In release builds (unless FluentAssertsDebug is set), this is a no-op. Expect expect(T)(lazy T testedValue, const string file = __FILE__, const size_t line = __LINE__, string prependText = null) @trusted { - return Expect(testedValue.evaluate(file, line, prependText).evaluation); + static if (!fluentAssertsEnabled) { + return Expect.init; + } else { + auto result = Expect(testedValue.evaluate(file, line, prependText).evaluation); + return result; + } } -/// -string toNiceOperation(string value) @safe nothrow { - string newValue; +// Issue #99: ensureLifecycle initializes Lifecycle when called before static this() +@("issue #99: ensureLifecycle creates instance when null") +unittest { + // Save the current instance + auto savedInstance = Lifecycle.instance; + scope(exit) Lifecycle.instance = savedInstance; + + // Simulate the condition where Lifecycle.instance is null + // (as happens when expect() is called from shared static this()) + Lifecycle.instance = null; + + // ensureLifecycle should create a new instance + auto lifecycle = ensureLifecycle(); + assert(lifecycle !is null, "ensureLifecycle should create a Lifecycle instance"); + assert(Lifecycle.instance is lifecycle, "ensureLifecycle should set Lifecycle.instance"); +} - foreach(index, ch; value) { - if(index == 0) { - newValue ~= ch.toLower; - continue; - } +// Issue #79: format-style because with arguments +@("issue #79: because with format arguments") +unittest { + auto evaluation = ({ + expect(5).to.equal(3).because("At iteration %s of %s", 5, 100); + }).recordEvaluation; - if(ch == '.') { - newValue ~= ' '; - continue; - } + expect(evaluation.result.messageString).to.contain("Because At iteration 5 of 100"); +} - if(ch.isUpper && value[index - 1].isLower) { - newValue ~= ' '; - newValue ~= ch.toLower; - continue; - } +// Issue #79: withContext attaches context data to assertions +@("issue #79: withContext attaches context data") +unittest { + auto evaluation = ({ + expect(5).to.equal(3).withContext("iteration", 5).withContext("total", 100); + }).recordEvaluation; + + expect(evaluation.result.hasContext).to.equal(true); + expect(evaluation.result.contextCount).to.equal(2); + expect(evaluation.result.contextKey(0)).to.equal("iteration"); + expect(evaluation.result.contextValue(0)).to.equal("5"); + expect(evaluation.result.contextKey(1)).to.equal("total"); + expect(evaluation.result.contextValue(1)).to.equal("100"); +} - newValue ~= ch; - } +// Issue #79: withContext works with string values +@("issue #79: withContext with string values") +unittest { + auto evaluation = ({ + expect(5).to.equal(3).withContext("name", "test").withContext("type", "unit"); + }).recordEvaluation; + + expect(evaluation.result.hasContext).to.equal(true); + expect(evaluation.result.contextKey(0)).to.equal("name"); + expect(evaluation.result.contextValue(0)).to.equal("test"); +} + +// Issue #79: because format works on Evaluator (after .equal) +@("issue #79: because format on Evaluator") +unittest { + auto evaluation = ({ + expect(5).to.equal(3).because("loop %s", 42); + }).recordEvaluation; - return newValue; + expect(evaluation.result.messageString).to.contain("Because loop 42"); } -@("toNiceOperation converts to a nice and readable string") +// Issue #79: withContext works on Evaluator (after .equal) +@("issue #79: withContext on Evaluator") unittest { - expect("".toNiceOperation).to.equal(""); - expect("a.b".toNiceOperation).to.equal("a b"); - expect("aB".toNiceOperation).to.equal("a b"); + auto evaluation = ({ + expect(5).to.equal(3).withContext("idx", 7); + }).recordEvaluation; + + expect(evaluation.result.hasContext).to.equal(true); + expect(evaluation.result.contextKey(0)).to.equal("idx"); + expect(evaluation.result.contextValue(0)).to.equal("7"); } diff --git a/source/fluentasserts/core/lifecycle.d b/source/fluentasserts/core/lifecycle.d index 319f7472..f9202018 100644 --- a/source/fluentasserts/core/lifecycle.d +++ b/source/fluentasserts/core/lifecycle.d @@ -1,175 +1,303 @@ +/// Lifecycle management for fluent-asserts. +/// Handles initialization of the assertion framework and manages +/// the assertion evaluation lifecycle. module fluentasserts.core.lifecycle; -import fluentasserts.core.base; -import fluentasserts.core.evaluation; -import fluentasserts.core.operations.approximately; -import fluentasserts.core.operations.arrayEqual; -import fluentasserts.core.operations.beNull; -import fluentasserts.core.operations.between; -import fluentasserts.core.operations.contain; -import fluentasserts.core.operations.endWith; -import fluentasserts.core.operations.equal; -import fluentasserts.core.operations.greaterThan; -import fluentasserts.core.operations.greaterOrEqualTo; -import fluentasserts.core.operations.instanceOf; -import fluentasserts.core.operations.lessThan; -import fluentasserts.core.operations.lessOrEqualTo; -import fluentasserts.core.operations.registry; -import fluentasserts.core.operations.startWith; -import fluentasserts.core.operations.throwable; -import fluentasserts.core.results; -import fluentasserts.core.serializers; +import core.memory : GC; -import std.meta; import std.conv; import std.datetime; +import std.meta; + +import fluentasserts.core.base; +import fluentasserts.core.evaluation.eval : Evaluation; +import fluentasserts.core.evaluation.value : ValueEvaluation; +import fluentasserts.results.message; +import fluentasserts.results.serializers.heap_registry : HeapSerializerRegistry; + +import fluentasserts.operations.registry; +import fluentasserts.operations.comparison.approximately; +import fluentasserts.operations.comparison.between; +import fluentasserts.operations.comparison.greaterOrEqualTo; +import fluentasserts.operations.comparison.greaterThan; +import fluentasserts.operations.comparison.lessOrEqualTo; +import fluentasserts.operations.comparison.lessThan; +import fluentasserts.operations.equality.arrayEqual; +import fluentasserts.operations.equality.equal; +import fluentasserts.operations.exception.throwable; +import fluentasserts.operations.string.contain; +import fluentasserts.operations.string.endWith; +import fluentasserts.operations.string.startWith; +import fluentasserts.operations.type.beNull; +import fluentasserts.operations.type.instanceOf; + +/// Tuple of basic numeric types supported by fluent-asserts. alias BasicNumericTypes = AliasSeq!(byte, ubyte, short, ushort, int, uint, long, ulong, float, double, real); + +/// Tuple of all numeric types for operation registration. alias NumericTypes = AliasSeq!(byte, ubyte, short, ushort, int, uint, long, ulong, float, double, real); + +/// Tuple of string types supported by fluent-asserts. alias StringTypes = AliasSeq!(string, wstring, dstring, const(char)[]); +/// Module constructor that initializes all fluent-asserts components. +/// Registers all built-in operations, serializers, and sets up the lifecycle. static this() { - SerializerRegistry.instance = new SerializerRegistry; + HeapSerializerRegistry.instance = new HeapSerializerRegistry; Lifecycle.instance = new Lifecycle; ResultGlyphs.resetDefaults; Registry.instance = new Registry(); +} + +/// Delegate type for custom failure handlers. +/// Receives the evaluation that failed and can handle it as needed. +alias FailureHandlerDelegate = void delegate(ref Evaluation evaluation) @safe; + +/// Issue #92: Statistics for assertion execution. +/// Tracks counts of assertions executed, passed, and failed. +/// Useful for monitoring assertion behavior in long-running or multi-threaded programs. +struct AssertionStatistics { + /// Total number of assertions executed. + int totalAssertions; + + /// Number of assertions that passed. + int passedAssertions; + + /// Number of assertions that failed. + int failedAssertions; - Registry.instance.describe("approximately", approximatelyDescription); - Registry.instance.describe("equal", equalDescription); - Registry.instance.describe("beNull", beNullDescription); - Registry.instance.describe("between", betweenDescription); - Registry.instance.describe("within", betweenDescription); - Registry.instance.describe("contain", containDescription); - Registry.instance.describe("greaterThan", greaterThanDescription); - Registry.instance.describe("above", greaterThanDescription); - Registry.instance.describe("greaterOrEqualTo", greaterOrEqualToDescription); - Registry.instance.describe("lessThan", lessThanDescription); - - Registry.instance.register("*", "*", "equal", &equal); - Registry.instance.register("*[]", "*[]", "equal", &arrayEqual); - Registry.instance.register("*[*]", "*[*]", "equal", &arrayEqual); - Registry.instance.register("*[][]", "*[][]", "equal", &arrayEqual); - - Registry.instance.register("*", "*", "beNull", &beNull); - Registry.instance.register("*", "*", "instanceOf", &instanceOf); - - Registry.instance.register("*", "*", "lessThan", &lessThanGeneric); - Registry.instance.register("*", "*", "below", &lessThanGeneric); - - static foreach(Type; BasicNumericTypes) { - Registry.instance.register(Type.stringof, Type.stringof, "greaterOrEqualTo", &greaterOrEqualTo!Type); - Registry.instance.register(Type.stringof, Type.stringof, "greaterThan", &greaterThan!Type); - Registry.instance.register(Type.stringof, Type.stringof, "above", &greaterThan!Type); - Registry.instance.register(Type.stringof, Type.stringof, "lessOrEqualTo", &lessOrEqualTo!Type); - Registry.instance.register(Type.stringof, Type.stringof, "lessThan", &lessThan!Type); - Registry.instance.register(Type.stringof, Type.stringof, "below", &lessThan!Type); - Registry.instance.register(Type.stringof, Type.stringof, "between", &between!Type); - Registry.instance.register(Type.stringof, Type.stringof, "within", &between!Type); - Registry.instance.register(Type.stringof, "int", "lessOrEqualTo", &lessOrEqualTo!Type); - Registry.instance.register(Type.stringof, "int", "lessThan", &lessThan!Type); - Registry.instance.register(Type.stringof, "int", "greaterOrEqualTo", &greaterOrEqualTo!Type); - Registry.instance.register(Type.stringof, "int", "greaterThan", &greaterThan!Type); + /// Resets all statistics to zero. + void reset() @safe @nogc nothrow { + totalAssertions = 0; + passedAssertions = 0; + failedAssertions = 0; } +} - static foreach(Type1; NumericTypes) { - Registry.instance.register(Type1.stringof ~ "[]", "void[]", "approximately", &approximatelyList); - static foreach(Type2; NumericTypes) { - Registry.instance.register(Type1.stringof ~ "[]", Type2.stringof ~ "[]", "approximately", &approximatelyList); - Registry.instance.register(Type1.stringof, Type2.stringof, "approximately", &approximately); - } +/// String mixin for unit tests that need to capture evaluation results. +/// Enables keepLastEvaluation and disableFailureHandling, then restores +/// them in scope(exit). +enum enableEvaluationRecording = q{ + Lifecycle.instance.keepLastEvaluation = true; + Lifecycle.instance.disableFailureHandling = true; + scope(exit) { + Lifecycle.instance.keepLastEvaluation = false; + Lifecycle.instance.disableFailureHandling = false; } +}; - Registry.instance.register("*[]", "*", "contain", &arrayContain); - Registry.instance.register("*[]", "*[]", "contain", &arrayContain); - Registry.instance.register("*[]", "*[]", "containOnly", &arrayContainOnly); - Registry.instance.register("*[][]", "*[][]", "containOnly", &arrayContainOnly); - - static foreach(Type1; StringTypes) { - static foreach(Type2; StringTypes) { - Registry.instance.register(Type1.stringof, Type2.stringof ~ "[]", "contain", &contain); - Registry.instance.register(Type1.stringof, Type2.stringof, "contain", &contain); - Registry.instance.register(Type1.stringof, Type2.stringof, "startWith", &startWith); - Registry.instance.register(Type1.stringof, Type2.stringof, "endWith", &endWith); - } - Registry.instance.register(Type1.stringof, "char", "contain", &contain); - Registry.instance.register(Type1.stringof, "char", "startWith", &startWith); - Registry.instance.register(Type1.stringof, "char", "endWith", &endWith); +/// Executes an assertion and captures its evaluation result. +/// Use this to test assertion behavior without throwing on failure. +/// Thread-safe: saves and restores state on the existing Lifecycle instance. +Evaluation recordEvaluation(void delegate() assertion) @trusted { + if (Lifecycle.instance is null) { + Lifecycle.instance = new Lifecycle(); + } + + auto instance = Lifecycle.instance; + auto previousKeepLastEvaluation = instance.keepLastEvaluation; + auto previousDisableFailureHandling = instance.disableFailureHandling; + + instance.keepLastEvaluation = true; + instance.disableFailureHandling = true; + + scope(exit) { + instance.keepLastEvaluation = previousKeepLastEvaluation; + instance.disableFailureHandling = previousDisableFailureHandling; } - Registry.instance.register!(Duration, Duration)("lessThan", &lessThanDuration); - Registry.instance.register!(Duration, Duration)("below", &lessThanDuration); - Registry.instance.register!(SysTime, SysTime)("lessThan", &lessThanSysTime); - Registry.instance.register!(SysTime, SysTime)("below", &lessThanSysTime); - Registry.instance.register!(Duration, Duration)("greaterThan", &greaterThanDuration); - Registry.instance.register!(Duration, Duration)("greaterOrEqualTo", &greaterOrEqualToDuration); - Registry.instance.register!(Duration, Duration)("above", &greaterThanDuration); - Registry.instance.register!(SysTime, SysTime)("greaterThan", &greaterThanSysTime); - Registry.instance.register!(SysTime, SysTime)("greaterOrEqualTo", &greaterOrEqualToSysTime); - Registry.instance.register!(SysTime, SysTime)("above", &greaterThanSysTime); - Registry.instance.register!(Duration, Duration)("between", &betweenDuration); - Registry.instance.register!(Duration, Duration)("within", &betweenDuration); - Registry.instance.register!(SysTime, SysTime)("between", &betweenSysTime); - Registry.instance.register!(SysTime, SysTime)("within", &betweenSysTime); - - Registry.instance.register("callable", "", "throwAnyException", &throwAnyException); - Registry.instance.register("callable", "", "throwException", &throwException); - Registry.instance.register("*", "*", "throwAnyException", &throwAnyException); - Registry.instance.register("*", "*", "throwAnyException.withMessage", &throwAnyExceptionWithMessage); - Registry.instance.register("*", "*", "throwAnyException.withMessage.equal", &throwAnyExceptionWithMessage); - Registry.instance.register("*", "*", "throwException", &throwException); - Registry.instance.register("*", "*", "throwException.withMessage", &throwExceptionWithMessage); - Registry.instance.register("*", "*", "throwException.withMessage.equal", &throwExceptionWithMessage); - Registry.instance.register("*", "*", "throwSomething", &throwAnyException); - Registry.instance.register("*", "*", "throwSomething.withMessage", &throwAnyExceptionWithMessage); - Registry.instance.register("*", "*", "throwSomething.withMessage.equal", &throwAnyExceptionWithMessage); + assertion(); + + import std.algorithm : move; + return move(instance.lastEvaluation); } -/// The assert lifecycle +/// Manages the assertion evaluation lifecycle. +/// Tracks assertion counts and handles the finalization of evaluations. @safe class Lifecycle { - /// Global instance for the assert lifecicle + /// Global singleton instance. static Lifecycle instance; + /// Custom failure handler delegate. When set, this is called instead of + /// defaultFailureHandler when an assertion fails. + FailureHandlerDelegate failureHandler; + + /// When true, stores the most recent evaluation in lastEvaluation. + /// Used by recordEvaluation to capture assertion results. + bool keepLastEvaluation; + + /// Stores the most recent evaluation when keepLastEvaluation is true. + /// Access this after running an assertion to inspect its result. + Evaluation lastEvaluation; + + /// When true, assertion failures are silently ignored instead of throwing. + /// Used by recordEvaluation to prevent test abortion during evaluation capture. + bool disableFailureHandling; + + /// Issue #92: Statistics for assertion execution. + /// Access via Lifecycle.instance.statistics. + AssertionStatistics statistics; + private { - /// + /// Counter for total assertions executed (kept for backward compatibility). int totalAsserts; } - /// Method called when a new value is evaluated - int beginEvaluation(ValueEvaluation value) @safe nothrow { + /// Called when a new value evaluation begins. + /// Increments the assertion counter and returns the current count. + /// Params: + /// value = The value evaluation being started + /// Returns: The current assertion number. + int beginEvaluation(ValueEvaluation value) nothrow @nogc { totalAsserts++; + statistics.totalAssertions++; return totalAsserts; } - /// - void endEvaluation(ref Evaluation evaluation) @trusted { - if(evaluation.isEvaluated) return; - - evaluation.isEvaluated = true; - auto results = Registry.instance.handle(evaluation); - + /// Default handler for assertion failures. + /// Throws any captured throwable from value evaluation, or constructs + /// a TestException with the formatted failure message. + /// Params: + /// evaluation = The evaluation containing the failure details + /// Throws: TestException or the original throwable from evaluation + void defaultFailureHandler(ref Evaluation evaluation) { if(evaluation.currentValue.throwable !is null) { throw evaluation.currentValue.throwable; } if(evaluation.expectedValue.throwable !is null) { - throw evaluation.currentValue.throwable; + throw evaluation.expectedValue.throwable; + } + + throw new TestException(evaluation); + } + + /// Processes an assertion failure by delegating to the appropriate handler. + /// If disableFailureHandling is true, does nothing. + /// If a custom failureHandler is set, calls it. + /// Otherwise, calls defaultFailureHandler. + /// Params: + /// evaluation = The evaluation containing the failure details + void handleFailure(ref Evaluation evaluation) { + if(this.disableFailureHandling) { + return; } - if(results.length == 0) { + if(this.failureHandler !is null) { + this.failureHandler(evaluation); return; } - version(DisableSourceResult) {} else { - results ~= evaluation.getSourceResult(); + this.defaultFailureHandler(evaluation); + } + + /// Finalizes an evaluation and throws TestException on failure. + /// Delegates to the Registry to handle the evaluation and throws + /// if the result contains failure content. + /// Does not throw if called from a GC finalizer. + void endEvaluation(ref Evaluation evaluation) { + if(evaluation.isEvaluated) { + return; + } + + evaluation.isEvaluated = true; + + if(GC.inFinalizer) { + return; + } + + Registry.instance.handle(evaluation); + + if(keepLastEvaluation) { + lastEvaluation = evaluation; } - if(evaluation.message !is null) { - results = evaluation.message ~ results; + if(evaluation.currentValue.throwable !is null || evaluation.expectedValue.throwable !is null) { + statistics.failedAssertions++; + this.handleFailure(evaluation); + return; } - throw new TestException(results, evaluation.sourceFile, evaluation.sourceLine); + if(!evaluation.result.hasContent()) { + statistics.passedAssertions++; + return; + } + + statistics.failedAssertions++; + this.handleFailure(evaluation); + } + + /// Resets all statistics to zero. + /// Useful for starting fresh counts in a new test phase. + void resetStatistics() @nogc nothrow { + statistics.reset(); + } +} + +// Issue #92: Tests for AssertionStatistics +version (unittest) { + import fluent.asserts; +} + +// Issue #92: AssertionStatistics tracks passed assertions +@("statistics tracks passed assertions") +unittest { + auto savedStats = Lifecycle.instance.statistics; + scope(exit) Lifecycle.instance.statistics = savedStats; + + Lifecycle.instance.resetStatistics(); + auto initialPassed = Lifecycle.instance.statistics.passedAssertions; + auto initialTotal = Lifecycle.instance.statistics.totalAssertions; + + expect(1).to.equal(1); + + assert(Lifecycle.instance.statistics.totalAssertions == initialTotal + 1, + "totalAssertions should increment"); + assert(Lifecycle.instance.statistics.passedAssertions == initialPassed + 1, + "passedAssertions should increment for passing assertion"); +} + +// Issue #92: AssertionStatistics tracks failed assertions +@("statistics tracks failed assertions") +unittest { + auto savedStats = Lifecycle.instance.statistics; + auto savedDisable = Lifecycle.instance.disableFailureHandling; + scope(exit) { + Lifecycle.instance.statistics = savedStats; + Lifecycle.instance.disableFailureHandling = savedDisable; } + + Lifecycle.instance.resetStatistics(); + Lifecycle.instance.disableFailureHandling = true; + + auto initialFailed = Lifecycle.instance.statistics.failedAssertions; + auto initialTotal = Lifecycle.instance.statistics.totalAssertions; + + expect(1).to.equal(2); + + assert(Lifecycle.instance.statistics.totalAssertions == initialTotal + 1, + "totalAssertions should increment"); + assert(Lifecycle.instance.statistics.failedAssertions == initialFailed + 1, + "failedAssertions should increment for failing assertion"); +} + +// Issue #92: AssertionStatistics.reset clears all counters +@("statistics reset clears all counters") +unittest { + auto savedStats = Lifecycle.instance.statistics; + scope(exit) Lifecycle.instance.statistics = savedStats; + + Lifecycle.instance.statistics.totalAssertions = 10; + Lifecycle.instance.statistics.passedAssertions = 8; + Lifecycle.instance.statistics.failedAssertions = 2; + + Lifecycle.instance.resetStatistics(); + + assert(Lifecycle.instance.statistics.totalAssertions == 0); + assert(Lifecycle.instance.statistics.passedAssertions == 0); + assert(Lifecycle.instance.statistics.failedAssertions == 0); } diff --git a/source/fluentasserts/core/listcomparison.d b/source/fluentasserts/core/listcomparison.d new file mode 100644 index 00000000..5a3a932f --- /dev/null +++ b/source/fluentasserts/core/listcomparison.d @@ -0,0 +1,211 @@ +module fluentasserts.core.listcomparison; + +import std.algorithm; +import std.array; +import std.traits; +import std.math; + +import fluentasserts.core.memory.heapequable : HeapEquableValue; + +U[] toValueList(U, V)(V expectedValueList) @trusted { + import std.range : isInputRange, ElementType; + + static if(is(V == void[])) { + return []; + } else static if(is(V == U[])) { + static if(is(U == immutable) || is(U == const)) { + static if(is(U == class)) { + return expectedValueList; + } else { + return expectedValueList.idup; + } + } else { + return expectedValueList.dup; + } + } else static if(is(U == immutable) || is(U == const)) { + static if(is(U == class)) { + return expectedValueList.array; + } else { + return expectedValueList.array.idup; + } + } else { + static if(is(U == class)) { + return cast(U[]) expectedValueList.array; + } else { + return cast(U[]) expectedValueList.array.dup; + } + } +} + +@trusted: + +struct ListComparison(Type) { + alias T = Unqual!Type; + + private { + T[] referenceList; + T[] list; + double maxRelDiff; + } + + this(U, V)(U reference, V list, double maxRelDiff = 0) { + this.referenceList = toValueList!T(reference); + this.list = toValueList!T(list); + this.maxRelDiff = maxRelDiff; + } + + private long findIndex(T[] list, T element) nothrow { + static if(std.traits.isNumeric!(T)) { + return list.countUntil!(a => approxEqual(element, a, maxRelDiff)); + } else static if(is(T == HeapEquableValue)) { + foreach(index, ref a; list) { + if(a.isEqualTo(element)) { + return index; + } + } + + return -1; + } else { + return list.countUntil(element); + } + } + + T[] missing() @trusted nothrow { + T[] result; + + auto tmpList = list.dup; + + foreach(element; referenceList) { + auto index = this.findIndex(tmpList, element); + + if(index == -1) { + result ~= element; + } else { + tmpList = remove(tmpList, index); + } + } + + return result; + } + + T[] extra() @trusted nothrow { + T[] result; + + auto tmpReferenceList = referenceList.dup; + + foreach(element; list) { + auto index = this.findIndex(tmpReferenceList, element); + + if(index == -1) { + result ~= element; + } else { + tmpReferenceList = remove(tmpReferenceList, index); + } + } + + return result; + } + + T[] common() @trusted nothrow { + T[] result; + + auto tmpList = list.dup; + + foreach(element; referenceList) { + if(tmpList.length == 0) { + break; + } + + auto index = this.findIndex(tmpList, element); + + if(index >= 0) { + result ~= element; + tmpList = std.algorithm.remove(tmpList, index); + } + } + + return result; + } +} + +version(unittest) { + import fluentasserts.core.lifecycle; +} + +@("ListComparison gets missing elements") +unittest { + Lifecycle.instance.disableFailureHandling = false; + auto comparison = ListComparison!int([1, 2, 3], [4]); + + auto missing = comparison.missing; + + import std.conv : to; + assert(missing.length == 3, "Expected 3 missing elements, got " ~ missing.length.to!string); + assert(missing[0] == 1, "Expected missing[0] == 1, got " ~ missing[0].to!string); + assert(missing[1] == 2, "Expected missing[1] == 2, got " ~ missing[1].to!string); + assert(missing[2] == 3, "Expected missing[2] == 3, got " ~ missing[2].to!string); +} + +@("ListComparison gets missing elements with duplicates") +unittest { + Lifecycle.instance.disableFailureHandling = false; + auto comparison = ListComparison!int([2, 2], [2]); + + auto missing = comparison.missing; + + import std.conv : to; + assert(missing.length == 1, "Expected 1 missing element, got " ~ missing.length.to!string); + assert(missing[0] == 2, "Expected missing[0] == 2, got " ~ missing[0].to!string); +} + +@("ListComparison gets extra elements") +unittest { + Lifecycle.instance.disableFailureHandling = false; + auto comparison = ListComparison!int([4], [1, 2, 3]); + + auto extra = comparison.extra; + + import std.conv : to; + assert(extra.length == 3, "Expected 3 extra elements, got " ~ extra.length.to!string); + assert(extra[0] == 1, "Expected extra[0] == 1, got " ~ extra[0].to!string); + assert(extra[1] == 2, "Expected extra[1] == 2, got " ~ extra[1].to!string); + assert(extra[2] == 3, "Expected extra[2] == 3, got " ~ extra[2].to!string); +} + +@("ListComparison gets extra elements with duplicates") +unittest { + Lifecycle.instance.disableFailureHandling = false; + auto comparison = ListComparison!int([2], [2, 2]); + + auto extra = comparison.extra; + + import std.conv : to; + assert(extra.length == 1, "Expected 1 extra element, got " ~ extra.length.to!string); + assert(extra[0] == 2, "Expected extra[0] == 2, got " ~ extra[0].to!string); +} + +@("ListComparison gets common elements") +unittest { + Lifecycle.instance.disableFailureHandling = false; + auto comparison = ListComparison!int([1, 2, 3, 4], [2, 3]); + + auto common = comparison.common; + + import std.conv : to; + assert(common.length == 2, "Expected 2 common elements, got " ~ common.length.to!string); + assert(common[0] == 2, "Expected common[0] == 2, got " ~ common[0].to!string); + assert(common[1] == 3, "Expected common[1] == 3, got " ~ common[1].to!string); +} + +@("ListComparison gets common elements with duplicates") +unittest { + Lifecycle.instance.disableFailureHandling = false; + auto comparison = ListComparison!int([2, 2, 2, 2], [2, 2]); + + auto common = comparison.common; + + import std.conv : to; + assert(common.length == 2, "Expected 2 common elements, got " ~ common.length.to!string); + assert(common[0] == 2, "Expected common[0] == 2, got " ~ common[0].to!string); + assert(common[1] == 2, "Expected common[1] == 2, got " ~ common[1].to!string); +} diff --git a/source/fluentasserts/core/memory/fixedmeta.d b/source/fluentasserts/core/memory/fixedmeta.d new file mode 100644 index 00000000..678ddb92 --- /dev/null +++ b/source/fluentasserts/core/memory/fixedmeta.d @@ -0,0 +1,271 @@ +/// Fixed-size metadata storage for fluent-asserts. +/// Optimized for storing 2-5 key-value pairs with O(n) linear search. +/// Much simpler and faster than a hash table for small collections. +module fluentasserts.core.memory.fixedmeta; + +import fluentasserts.core.memory.heapstring; + +@safe: + +/// Fixed-size metadata storage using linear search. +/// Optimized for 2-5 entries - faster than hash table overhead. +struct FixedMeta { + private enum MAX_ENTRIES = 8; + + private struct Entry { + HeapString key; + HeapString value; + bool occupied; + } + + private { + Entry[MAX_ENTRIES] _entries; + size_t _count = 0; + } + + /// Disable postblit - use copy constructor instead + @disable this(this); + + /// Copy constructor - creates a deep copy from the source. + this(ref return scope const FixedMeta rhs) @trusted nothrow { + _count = rhs._count; + foreach (i; 0 .. _count) { + _entries[i].key = rhs._entries[i].key; + _entries[i].value = rhs._entries[i].value; + _entries[i].occupied = rhs._entries[i].occupied; + } + } + + /// Assignment operator - creates a deep copy from the source. + void opAssign(ref const FixedMeta rhs) @trusted nothrow { + _count = rhs._count; + foreach (i; 0 .. _count) { + _entries[i].key = rhs._entries[i].key; + _entries[i].value = rhs._entries[i].value; + _entries[i].occupied = rhs._entries[i].occupied; + } + // Clear remaining entries + foreach (i; _count .. MAX_ENTRIES) { + _entries[i] = Entry.init; + } + } + + /// Lookup value by key (O(n) where n ≤ 8). + /// Returns slice of value if found, empty slice otherwise. + const(char)[] opIndex(const(char)[] key) const @nogc nothrow { + foreach (ref entry; _entries[0 .. _count]) { + if (entry.occupied && entry.key[] == key) { + return entry.value[]; + } + } + return ""; + } + + /// Check if key exists. + bool has(const(char)[] key) const @nogc nothrow { + foreach (ref entry; _entries[0 .. _count]) { + if (entry.occupied && entry.key[] == key) { + return true; + } + } + return false; + } + + /// Support "key" in meta syntax for key existence checking. + bool opBinaryRight(string op : "in")(const(char)[] key) const @nogc nothrow { + return has(key); + } + + /// Set or update a key-value pair (HeapString key and value). + void opIndexAssign(HeapString value, HeapString key) @nogc nothrow { + // Try to find existing key + foreach (ref entry; _entries[0 .. _count]) { + if (entry.occupied && entry.key[] == key[]) { + entry.value = value; + return; + } + } + + // Add new entry if space available + if (_count < MAX_ENTRIES) { + _entries[_count].key = key; + _entries[_count].value = value; + _entries[_count].occupied = true; + _count++; + } + } + + /// Set or update a key-value pair (const(char)[] key, HeapString value). + void opIndexAssign(HeapString value, const(char)[] key) @nogc nothrow { + // Try to find existing key + foreach (ref entry; _entries[0 .. _count]) { + if (entry.occupied && entry.key[] == key) { + entry.value = value; + return; + } + } + + // Add new entry if space available + if (_count < MAX_ENTRIES) { + auto heapKey = HeapString.create(key.length); + heapKey.put(key); + _entries[_count].key = heapKey; + _entries[_count].value = value; + _entries[_count].occupied = true; + _count++; + } + } + + /// Set or update a key-value pair (string key and value convenience). + void opIndexAssign(const(char)[] value, const(char)[] key) @nogc nothrow { + auto heapValue = HeapString.create(value.length); + heapValue.put(value); + opIndexAssign(heapValue, key); + } + + /// Iterate over key-value pairs. + int opApply(scope int delegate(HeapString key, HeapString value) @safe nothrow dg) @safe nothrow { + foreach (ref entry; _entries[0 .. _count]) { + if (entry.occupied) { + auto result = dg(entry.key, entry.value); + if (result) { + return result; + } + } + } + return 0; + } + + /// Iterate over key-value pairs (for byKeyValue compatibility). + auto byKeyValue() @safe nothrow { + static struct KeyValueRange { + const(Entry)[] entries; + size_t index; + + bool empty() const @nogc nothrow { + return index >= entries.length; + } + + auto front() const @nogc nothrow { + static struct KeyValue { + HeapString key; + HeapString value; + } + return KeyValue(entries[index].key, entries[index].value); + } + + void popFront() @nogc nothrow { + index++; + } + } + + return KeyValueRange(_entries[0 .. _count], 0); + } + + /// Number of entries. + size_t length() const @nogc nothrow { + return _count; + } + + /// Clear all entries. + void clear() @nogc nothrow { + foreach (i; 0 .. _count) { + _entries[i] = Entry.init; + } + _count = 0; + } +} + +version(unittest) { + @("FixedMeta stores and retrieves values") + nothrow unittest { + FixedMeta meta; + meta["key1"] = "value1"; + meta["key2"] = "value2"; + + assert(meta["key1"] == "value1"); + assert(meta["key2"] == "value2"); + assert(meta.length == 2); + } + + @("FixedMeta updates existing keys") + nothrow unittest { + FixedMeta meta; + meta["key1"] = "value1"; + meta["key1"] = "value2"; + + assert(meta["key1"] == "value2"); + assert(meta.length == 1); + } + + @("FixedMeta returns empty for missing keys") + nothrow unittest { + FixedMeta meta; + auto result = meta["missing"]; + assert(result == ""); + } + + @("FixedMeta has() checks for key existence") + nothrow unittest { + FixedMeta meta; + meta["exists"] = "yes"; + + assert(meta.has("exists")); + assert(!meta.has("missing")); + } + + @("FixedMeta iterates over entries") + nothrow unittest { + FixedMeta meta; + meta["a"] = "1"; + meta["b"] = "2"; + meta["c"] = "3"; + + size_t count = 0; + foreach (key, value; meta) { + count++; + } + assert(count == 3); + } + + @("FixedMeta byKeyValue iteration") + nothrow unittest { + FixedMeta meta; + meta["x"] = "10"; + meta["y"] = "20"; + + size_t count = 0; + foreach (kv; meta.byKeyValue) { + count++; + assert(kv.key[] == "x" || kv.key[] == "y"); + assert(kv.value[] == "10" || kv.value[] == "20"); + } + assert(count == 2); + } + + @("FixedMeta copy creates independent copy") + nothrow unittest { + FixedMeta meta1; + meta1["a"] = "1"; + + auto meta2 = meta1; + meta2["b"] = "2"; + + assert(meta1.length == 1); + assert(meta2.length == 2); + assert(meta1["a"] == "1"); + assert(!meta1.has("b")); + } + + @("FixedMeta clear removes all entries") + nothrow unittest { + FixedMeta meta; + meta["a"] = "1"; + meta["b"] = "2"; + + meta.clear(); + assert(meta.length == 0); + assert(!meta.has("a")); + assert(!meta.has("b")); + } +} diff --git a/source/fluentasserts/core/memory/heapequable.d b/source/fluentasserts/core/memory/heapequable.d new file mode 100644 index 00000000..a06a5c84 --- /dev/null +++ b/source/fluentasserts/core/memory/heapequable.d @@ -0,0 +1,502 @@ +/// Heap-allocated equable value supporting both string and opEquals comparison. +/// Stores object references for proper opEquals-based comparison when available. +module fluentasserts.core.memory.heapequable; + +import core.stdc.stdlib : malloc, free; +import core.stdc.string : memset; + +import fluentasserts.core.memory.heapstring; +import fluentasserts.core.conversion.floats : parseDouble; + +@safe: + +/// A heap-allocated wrapper for comparing values. +/// Supports both string-based comparison and opEquals for objects. +struct HeapEquableValue { + enum Kind : ubyte { empty, scalar, array, assocArray } + + HeapString _serialized; + Kind _kind; + HeapEquableValue* _elements; + size_t _elementCount; + Object _objectRef; // For opEquals comparison + + // --- Factory methods --- + + static HeapEquableValue create() @nogc nothrow { + HeapEquableValue result; + result._kind = Kind.empty; + return result; + } + + static HeapEquableValue createScalar(const(char)[] serialized) @nogc nothrow { + HeapEquableValue result; + result._kind = Kind.scalar; + result._serialized = toHeapString(serialized); + return result; + } + + static HeapEquableValue createArray(const(char)[] serialized) @nogc nothrow { + HeapEquableValue result; + result._kind = Kind.array; + result._serialized = toHeapString(serialized); + return result; + } + + static HeapEquableValue createAssocArray(const(char)[] serialized) @nogc nothrow { + HeapEquableValue result; + result._kind = Kind.assocArray; + result._serialized = toHeapString(serialized); + return result; + } + + static HeapEquableValue createObject(const(char)[] serialized, Object obj) nothrow { + HeapEquableValue result; + result._kind = Kind.scalar; + result._serialized = toHeapString(serialized); + result._objectRef = obj; + return result; + } + + // --- Accessors --- + + Kind kind() @nogc nothrow const { return _kind; } + const(char)[] getSerialized() @nogc nothrow const { return _serialized[]; } + const(char)[] opSlice() @nogc nothrow const { return _serialized[]; } + bool isNull() @nogc nothrow const { return _kind == Kind.empty; } + bool isArray() @nogc nothrow const { return _kind == Kind.array; } + size_t elementCount() @nogc nothrow const { return _elementCount; } + Object getObjectRef() @nogc nothrow const @trusted { return cast(Object)_objectRef; } + + // --- Comparison --- + + bool isEqualTo(ref const HeapEquableValue other) nothrow const @trusted { + // If both have object references, use opEquals + if (_objectRef !is null && other._objectRef !is null) { + return objectEquals(cast(Object)_objectRef, cast(Object)other._objectRef); + } + + // If only one has object reference, not equal + if (_objectRef !is null || other._objectRef !is null) { + return false; + } + + // Try string comparison first + if (_serialized == other._serialized) { + return true; + } + + // For scalars, try numeric comparison (handles double vs int, scientific notation) + if (_kind == Kind.scalar && other._kind == Kind.scalar) { + return numericEquals(_serialized[], other._serialized[]); + } + + return false; + } + + bool isEqualTo(const HeapEquableValue other) nothrow const @trusted { + // If both have object references, use opEquals + if (_objectRef !is null && other._objectRef !is null) { + return objectEquals(cast(Object)_objectRef, cast(Object)other._objectRef); + } + + // If only one has object reference, not equal + if (_objectRef !is null || other._objectRef !is null) { + return false; + } + + // Try string comparison first + if (_serialized == other._serialized) { + return true; + } + + // For scalars, try numeric comparison (handles double vs int, scientific notation) + if (_kind == Kind.scalar && other._kind == Kind.scalar) { + return numericEquals(_serialized[], other._serialized[]); + } + + return false; + } + + /// Compares two string representations as numbers if both are numeric. + /// Uses relative epsilon comparison for floating point tolerance. + private static bool numericEquals(const(char)[] a, const(char)[] b) @nogc nothrow pure @safe { + bool aIsNum, bIsNum; + double aVal = parseDouble(a, aIsNum); + double bVal = parseDouble(b, bIsNum); + + if (aIsNum && bIsNum) { + return approxEqual(aVal, bVal); + } + + return false; + } + + /// Approximate equality check for floating point numbers. + /// Uses relative epsilon for large numbers and absolute epsilon for small numbers. + private static bool approxEqual(double a, double b) @nogc nothrow pure @safe { + import core.stdc.math : fabs; + + // Handle exact equality (including infinities) + if (a == b) { + return true; + } + + double diff = fabs(a - b); + double larger = fabs(a) > fabs(b) ? fabs(a) : fabs(b); + + // Use relative epsilon scaled to the magnitude of the numbers + // For numbers around 1e6, epsilon of ~1e-9 relative gives ~1e-3 absolute tolerance + enum double relEpsilon = 1e-9; + enum double absEpsilon = 1e-9; + + return diff <= larger * relEpsilon || diff <= absEpsilon; + } + + bool isLessThan(ref const HeapEquableValue other) @nogc nothrow const @trusted { + if (_kind == Kind.array || _kind == Kind.assocArray) { + return false; + } + + bool thisIsNum, otherIsNum; + double thisVal = parseDouble(_serialized[], thisIsNum); + double otherVal = parseDouble(other._serialized[], otherIsNum); + + // Try to extract numbers from wrapper types like "Checked!(long, Abort)(5)" + if (!thisIsNum) { + thisVal = extractWrappedNumber(_serialized[], thisIsNum); + } + if (!otherIsNum) { + otherVal = extractWrappedNumber(other._serialized[], otherIsNum); + } + + if (thisIsNum && otherIsNum) { + return thisVal < otherVal; + } + + return _serialized[] < other._serialized[]; + } + + /// Extracts a number from wrapper type notation like "Type(123)" or "Type(-45.6)" + /// Issue #101: Supports std.checkedint.Checked and similar wrapper types + private static double extractWrappedNumber(const(char)[] s, out bool success) @nogc nothrow { + success = false; + if (s.length == 0) { + return 0; + } + + // Find the last '(' and matching ')' + ptrdiff_t lastParen = -1; + foreach_reverse (i, c; s) { + if (c == '(') { + lastParen = i; + break; + } + } + + if (lastParen < 0 || lastParen >= cast(ptrdiff_t)(s.length - 1)) { + return 0; + } + + // Check if it ends with ')' + if (s[$ - 1] != ')') { + return 0; + } + + // Extract content between parentheses + auto content = s[lastParen + 1 .. $ - 1]; + return parseDouble(content, success); + } + + // --- Array operations --- + + void addElement(HeapEquableValue element) @trusted @nogc nothrow { + if (_kind != Kind.array && _kind != Kind.assocArray) { + return; + } + + auto newCount = _elementCount + 1; + auto newElements = allocateHeapEquableArray(newCount); + if (newElements is null) { + return; + } + + copyHeapEquableArray(_elements, newElements, _elementCount); + copyHeapEquableElement(&newElements[_elementCount], element); + freeHeapEquableArray(_elements, _elementCount); + + _elements = newElements; + _elementCount = newCount; + } + + ref const(HeapEquableValue) getElement(size_t index) @nogc nothrow const @trusted { + static HeapEquableValue empty; + + if (_elements is null || index >= _elementCount) { + return empty; + } + + return _elements[index]; + } + + int opApply(scope int delegate(ref const HeapEquableValue) @safe nothrow dg) @trusted nothrow const { + foreach (i; 0 .. _elementCount) { + auto result = dg(_elements[i]); + if (result) { + return result; + } + } + return 0; + } + + HeapEquableValue[] toArray() @trusted nothrow { + if (_kind == Kind.scalar || _kind == Kind.empty) { + return allocateSingleGCElement(this); + } + + if (_elements is null || _elementCount == 0) { + return []; + } + + return copyToGCArray(_elements, _elementCount); + } + + // --- Copy semantics --- + + @disable this(this); + + this(ref return scope const HeapEquableValue rhs) @trusted nothrow { + _serialized = rhs._serialized; + _kind = rhs._kind; + _elements = duplicateHeapEquableArray(rhs._elements, rhs._elementCount); + _elementCount = (_elements !is null) ? rhs._elementCount : 0; + _objectRef = cast(Object) rhs._objectRef; + } + + void opAssign(ref const HeapEquableValue rhs) @trusted nothrow { + freeHeapEquableArray(_elements, _elementCount); + + _serialized = rhs._serialized; + _kind = rhs._kind; + _elements = duplicateHeapEquableArray(rhs._elements, rhs._elementCount); + _elementCount = (_elements !is null) ? rhs._elementCount : 0; + _objectRef = cast(Object) rhs._objectRef; + } + + void opAssign(HeapEquableValue rhs) @trusted nothrow { + freeHeapEquableArray(_elements, _elementCount); + + _serialized = rhs._serialized; + _kind = rhs._kind; + _elementCount = rhs._elementCount; + _elements = rhs._elements; + _objectRef = rhs._objectRef; + + rhs._elements = null; + rhs._elementCount = 0; + rhs._objectRef = null; + } + + ~this() @trusted @nogc nothrow { + freeHeapEquableArray(_elements, _elementCount); + _elements = null; + _elementCount = 0; + } + + void incrementRefCount() @trusted @nogc nothrow { + _serialized.incrementRefCount(); + } +} + +// --- Module-level memory helpers --- + +HeapEquableValue* allocateHeapEquableArray(size_t count) @trusted @nogc nothrow { + auto ptr = cast(HeapEquableValue*) malloc(count * HeapEquableValue.sizeof); + + if (ptr !is null) { + memset(ptr, 0, count * HeapEquableValue.sizeof); + } + + return ptr; +} + +void copyHeapEquableArray( + const HeapEquableValue* src, + HeapEquableValue* dst, + size_t count +) @trusted @nogc nothrow { + if (src is null || count == 0) { + return; + } + + foreach (i; 0 .. count) { + dst[i]._serialized = src[i]._serialized; + dst[i]._kind = src[i]._kind; + dst[i]._serialized.incrementRefCount(); + dst[i]._objectRef = cast(Object) src[i]._objectRef; + + // Deep copy nested elements + if (src[i]._elements !is null && src[i]._elementCount > 0) { + dst[i]._elements = duplicateHeapEquableArray(src[i]._elements, src[i]._elementCount); + dst[i]._elementCount = (dst[i]._elements !is null) ? src[i]._elementCount : 0; + } else { + dst[i]._elements = null; + dst[i]._elementCount = 0; + } + } +} + +void copyHeapEquableElement(HeapEquableValue* dst, ref HeapEquableValue src) @trusted @nogc nothrow { + dst._serialized = src._serialized; + dst._kind = src._kind; + dst._serialized.incrementRefCount(); + dst._objectRef = src._objectRef; + + // Deep copy nested elements + if (src._elements !is null && src._elementCount > 0) { + dst._elements = duplicateHeapEquableArray(src._elements, src._elementCount); + dst._elementCount = (dst._elements !is null) ? src._elementCount : 0; + } else { + dst._elements = null; + dst._elementCount = 0; + } +} + +HeapEquableValue* duplicateHeapEquableArray( + const HeapEquableValue* src, + size_t count +) @trusted @nogc nothrow { + if (src is null || count == 0) { + return null; + } + + auto dst = allocateHeapEquableArray(count); + + if (dst !is null) { + copyHeapEquableArray(src, dst, count); + } + + return dst; +} + +void freeHeapEquableArray(HeapEquableValue* elements, size_t count) @trusted @nogc nothrow { + if (elements is null) { + return; + } + + foreach (i; 0 .. count) { + destroy(elements[i]); + } + free(elements); +} + +HeapEquableValue[] allocateSingleGCElement(ref const HeapEquableValue value) @trusted nothrow { + try { + auto result = new HeapEquableValue[1]; + result[0] = value; + // Clear the nested elements pointer so GC won't try to free malloc'd memory. + // The copy still has valid serialized data for comparison. + result[0]._elements = null; + result[0]._elementCount = 0; + return result; + } catch (Exception) { + return []; + } +} + +HeapEquableValue[] copyToGCArray(const HeapEquableValue* elements, size_t count) @trusted nothrow { + try { + auto result = new HeapEquableValue[count]; + foreach (i; 0 .. count) { + result[i] = elements[i]; + // Clear the nested elements pointer so GC won't try to free malloc'd memory. + // The copy still has valid serialized data for comparison. + result[i]._elements = null; + result[i]._elementCount = 0; + } + return result; + } catch (Exception) { + return []; + } +} + +HeapEquableValue toHeapEquableValue(const(char)[] serialized) @nogc nothrow { + return HeapEquableValue.createScalar(serialized); +} + +/// Compares two objects using opEquals. +/// Returns false if opEquals throws an exception. +bool objectEquals(Object a, Object b) @trusted nothrow { + try { + return a.opEquals(b); + } catch (Exception) { + return false; + } catch (Error) { + return false; + } +} + +version (unittest) { + @("createScalar stores serialized value") + unittest { + auto v = HeapEquableValue.createScalar("test"); + assert(v.getSerialized() == "test"); + assert(v.kind() == HeapEquableValue.Kind.scalar); + } + + @("isEqualTo compares serialized values") + unittest { + auto v1 = HeapEquableValue.createScalar("hello"); + auto v2 = HeapEquableValue.createScalar("hello"); + auto v3 = HeapEquableValue.createScalar("world"); + + assert(v1.isEqualTo(v2)); + assert(!v1.isEqualTo(v3)); + } + + // Issue #100: double serialized as scientific notation should equal integer + @("isEqualTo handles numeric comparison for double vs int") + unittest { + // 1003200.0 serialized as scientific notation vs integer + auto doubleVal = HeapEquableValue.createScalar("1.0032e+06"); + auto intVal = HeapEquableValue.createScalar("1003200"); + + assert(doubleVal.kind() == HeapEquableValue.Kind.scalar); + assert(intVal.kind() == HeapEquableValue.Kind.scalar); + assert(doubleVal.isEqualTo(intVal), "1.0032e+06 should equal 1003200"); + assert(intVal.isEqualTo(doubleVal), "1003200 should equal 1.0032e+06"); + } + + @("array type stores elements") + unittest { + auto arr = HeapEquableValue.createArray("[1, 2, 3]"); + arr.addElement(HeapEquableValue.createScalar("1")); + arr.addElement(HeapEquableValue.createScalar("2")); + arr.addElement(HeapEquableValue.createScalar("3")); + + assert(arr.elementCount() == 3); + assert(arr.getElement(0).getSerialized() == "1"); + assert(arr.getElement(1).getSerialized() == "2"); + assert(arr.getElement(2).getSerialized() == "3"); + } + + @("copy creates independent copy") + unittest { + auto v1 = HeapEquableValue.createScalar("test"); + auto v2 = v1; + assert(v2.getSerialized() == "test"); + } + + @("array copy creates independent copy") + unittest { + auto arr1 = HeapEquableValue.createArray("[1, 2]"); + arr1.addElement(HeapEquableValue.createScalar("1")); + arr1.addElement(HeapEquableValue.createScalar("2")); + + auto arr2 = arr1; + arr2.addElement(HeapEquableValue.createScalar("3")); + + assert(arr1.elementCount() == 2); + assert(arr2.elementCount() == 3); + } +} diff --git a/source/fluentasserts/core/memory/heapstring.d b/source/fluentasserts/core/memory/heapstring.d new file mode 100644 index 00000000..661b43c4 --- /dev/null +++ b/source/fluentasserts/core/memory/heapstring.d @@ -0,0 +1,838 @@ +/// Heap-allocated dynamic array using malloc/free for @nogc contexts. +/// This is an alternative to FixedArray when dynamic sizing is needed. +/// +/// Features: +/// - Small Buffer Optimization (SBO): stores small data inline to avoid heap allocation +/// - Reference counting for cheap copying of heap-allocated data +/// - Combined allocation: refCount stored with data to reduce malloc calls +/// +/// Note: FixedArray is preferred for most use cases due to its simplicity +/// and performance (no malloc/free overhead). Use HeapData when: +/// - The data size is unbounded or unpredictable +/// - You need cheap copying via ref-counting +/// - Stack space is a co +module fluentasserts.core.memory.heapstring; + +import core.stdc.stdlib : malloc, free, realloc; +import core.stdc.string : memcpy, memset; + +@safe: + +/// Heap-allocated dynamic array with ref-counting and small buffer optimization. +/// Uses malloc/free instead of GC for @nogc compatibility. +/// +/// Small Buffer Optimization (SBO): +/// - Data up to SBO_SIZE elements is stored inline (no heap allocation) +/// - Larger data uses heap with reference counting +/// - SBO threshold is tuned to fit within L1 cache line +/// +/// The postblit constructor handles reference counting automatically for +/// blit operations (memcpy), so manual incrementRefCount() calls are rarely needed. +struct HeapData(T) { + /// Cache line size varies by architecture + private enum size_t CACHE_LINE_SIZE = { + version (X86_64) { + return 64; // Intel/AMD x86-64: 64 bytes + } else version (X86) { + return 64; // x86 32-bit: typically 64 bytes + } else version (AArch64) { + return 128; // ARM64 (Apple M1/M2, newer ARM): often 128 bytes + } else version (ARM) { + return 32; // Older ARM 32-bit: typically 32 bytes + } else { + return 64; // Safe default + } + }(); + + /// Size of small buffer in bytes - fits data + metadata in cache line + /// Reserve space for: length (size_t), capacity (size_t), discriminator flag + private enum size_t SBO_BYTES = CACHE_LINE_SIZE - size_t.sizeof * 2 - 1; + + /// Number of elements that fit in small buffer + private enum size_t SBO_SIZE = SBO_BYTES / T.sizeof > 0 ? SBO_BYTES / T.sizeof : 0; + + /// Minimum heap allocation to avoid tiny reallocs + private enum size_t MIN_HEAP_CAPACITY = CACHE_LINE_SIZE / T.sizeof > SBO_SIZE + ? CACHE_LINE_SIZE / T.sizeof : SBO_SIZE + 1; + + /// Check if T is a HeapData instantiation (for recursive cleanup) + private enum isHeapData = is(T == HeapData!U, U); + + /// Heap payload: refCount stored at start of allocation, followed by data + private struct HeapPayload { + size_t refCount; + size_t capacity; + + /// Get pointer to data area (immediately after header) + inout(T)* dataPtr() @trusted @nogc nothrow inout { + return cast(inout(T)*)(cast(inout(void)*)&this + HeapPayload.sizeof); + } + + /// Allocate a new heap payload with given capacity + static HeapPayload* create(size_t capacity) @trusted @nogc nothrow { + size_t totalSize = HeapPayload.sizeof + capacity * T.sizeof; + auto payload = cast(HeapPayload*) malloc(totalSize); + if (payload) { + payload.refCount = 1; + payload.capacity = capacity; + memset(payload.dataPtr(), 0, capacity * T.sizeof); + } + return payload; + } + + /// Reallocate with new capacity + static HeapPayload* realloc(HeapPayload* old, size_t newCapacity) @trusted @nogc nothrow { + size_t totalSize = HeapPayload.sizeof + newCapacity * T.sizeof; + auto payload = cast(HeapPayload*) .realloc(old, totalSize); + if (payload && newCapacity > payload.capacity) { + memset(payload.dataPtr() + payload.capacity, 0, (newCapacity - payload.capacity) * T.sizeof); + } + if (payload) { + payload.capacity = newCapacity; + } + return payload; + } + } + + /// Union for small buffer optimization + private union Payload { + /// Small buffer for inline storage (no heap allocation) + T[SBO_SIZE] small; + + /// Pointer to heap-allocated payload (refCount + data) + HeapPayload* heap; + } + + private { + Payload _payload; + size_t _length; + ubyte _flags; // bit 0: isHeap flag + + version (DebugHeapData) { + size_t _creationId; + static size_t _nextId = 0; + } + } + + /// Check if curr + private bool isHeap() @nogc nothrow const { + return (_flags & 1) != 0; + } + + /// Set heap storage flag + private void setHeap(bool value) @nogc nothrow { + if (value) { + _flags |= 1; + } else { + _flags &= ~1; + } + } + + /// Get pointer to data (either small buffer or heap) + private inout(T)* dataPtr() @trusted @nogc nothrow inout { + if (isHeap()) { + return _payload.heap ? (cast(inout(HeapPayload)*) _payload.heap).dataPtr() : null; + } + return cast(inout(T)*) _payload.small.ptr; + } + + /// Get current capacity + private size_t capacity() @nogc nothrow const @trusted { + if (isHeap()) { + return _payload.heap ? _payload.heap.capacity : 0; + } + return SBO_SIZE; + } + + /// Creates a new HeapData with the given initial capacity. + static HeapData create(size_t initialCapacity = 0) @trusted @nogc nothrow { + HeapData h; + h._flags = 0; + h._length = 0; + + if (initialCapacity > SBO_SIZE) { + size_t cap = initialCapacity < MIN_HEAP_CAPACITY ? MIN_HEAP_CAPACITY : initialCapacity; + h._payload.heap = HeapPayload.create(cap); + h.setHeap(true); + } + + version (DebugHeapData) { + h._creationId = _nextId++; + } + + return h; + } + + /// Transition from small buffer to heap when capacity exceeded + private void transitionToHeap(size_t requiredCapacity) @trusted @nogc nothrow { + size_t newCap = optimalCapacity(requiredCapacity); + auto newPayload = HeapPayload.create(newCap); + if (newPayload && _length > 0) { + memcpy(newPayload.dataPtr(), _payload.small.ptr, _length * T.sizeof); + } + _payload.heap = newPayload; + setHeap(true); + } + + /// Appends a single item. + void put(T item) @trusted @nogc nothrow { + ensureCapacity(_length + 1); + dataPtr()[_length++] = item; + } + + /// Appends multiple items (for simple types). + static if (!isHeapData) { + void put(const(T)[] items) @trusted @nogc nothrow { + reserve(items.length); + + auto ptr = dataPtr(); + foreach (item; items) { + ptr[_length++] = item; + } + } + + /// Appends contents from another HeapData. + void put(ref const HeapData other) @trusted @nogc nothrow { + if (other._length == 0) { + return; + } + put(other[]); + } + + /// Appends contents from another HeapData (rvalue). + void put(const HeapData other) @trusted @nogc nothrow { + if (other._length == 0) { + return; + } + put(other[]); + } + } + + /// Returns the contents as a slice. + inout(T)[] opSlice() @nogc nothrow @trusted inout { + if (_length == 0) { + return null; + } + return dataPtr()[0 .. _length]; + } + + /// Slice operator for creating a sub-HeapData. + HeapData!T opSlice(size_t start, size_t end) @nogc nothrow @trusted const { + HeapData!T result; + + foreach (i; start .. end) { + result.put(cast(T) this[i]); + } + + return result; + } + + /// Index operator. + ref inout(T) opIndex(size_t i) @nogc nothrow @trusted inout { + return dataPtr()[i]; + } + + /// Returns the current length. + size_t length() @nogc nothrow const { + return _length; + } + + /// Returns true if empty. + bool empty() @nogc nothrow const { + return _length == 0; + } + + /// Clears the contents (does not free memory). + void clear() @nogc nothrow { + _length = 0; + } + + /// Removes the last element (if any). + void popBack() @nogc nothrow { + if (_length > 0) { + _length--; + } + } + + /// Truncates to a specific length (if shorter than current). + void truncate(size_t newLength) @nogc nothrow { + if (newLength < _length) { + _length = newLength; + } + } + + /// Returns the current length (for $ in slices). + size_t opDollar() @nogc nothrow const { + return _length; + } + + /// Equality comparison with a slice (e.g., HeapString == "hello"). + bool opEquals(const(T)[] other) @nogc nothrow const @trusted { + if (_length != other.length) { + return false; + } + + if (_length == 0) { + return true; + } + + auto ptr = dataPtr(); + foreach (i; 0 .. _length) { + if (ptr[i] != other[i]) { + return false; + } + } + + return true; + } + + /// Equality comparison with another HeapData. + bool opEquals(ref const HeapData other) @nogc nothrow const @trusted { + if (_length != other._length) { + return false; + } + + if (_length == 0) { + return true; + } + + auto ptr = dataPtr(); + auto otherPtr = other.dataPtr(); + + if (ptr is otherPtr) { + return true; + } + + foreach (i; 0 .. _length) { + if (ptr[i] != otherPtr[i]) { + return false; + } + } + + return true; + } + + /// Align size up to cache line boundary. + private static size_t alignToCache(size_t bytes) @nogc nothrow pure { + return (bytes + CACHE_LINE_SIZE - 1) & ~(CACHE_LINE_SIZE - 1); + } + + /// Calculate optimal new capacity. + private size_t optimalCapacity(size_t required) @nogc nothrow const { + if (required <= SBO_SIZE) { + return SBO_SIZE; + } + + if (required < MIN_HEAP_CAPACITY) { + return MIN_HEAP_CAPACITY; + } + + // Growth factor: 1.5x is good balance between memory waste and realloc frequency + size_t currentCap = capacity(); + size_t growthBased = currentCap + (currentCap >> 1); + size_t target = growthBased > required ? growthBased : required; + + // Round up to cache-aligned element count + size_t bytesNeeded = target * T.sizeof; + size_t alignedBytes = alignToCache(bytesNeeded); + + return alignedBytes / T.sizeof; + } + + /// Ensure capacity for at least `needed` total elements. + private void ensureCapacity(size_t needed) @trusted @nogc nothrow { + if (needed <= capacity()) { + return; + } + + if (!isHeap()) { + transitionToHeap(needed); + return; + } + + size_t newCap = optimalCapacity(needed); + _payload.heap = HeapPayload.realloc(_payload.heap, newCap); + } + + /// Pre-allocate space for additional items. + void reserve(size_t additionalCount) @trusted @nogc nothrow { + ensureCapacity(_length + additionalCount); + } + + /// Manually increment ref count. Used to prepare for blit operations + /// where D's memcpy won't call copy constructors. + /// Note: With SBO, this only applies to heap-allocated data. + void incrementRefCount() @trusted @nogc nothrow { + if (isHeap() && _payload.heap) { + _payload.heap.refCount++; + } + } + + /// Returns true if this HeapData appears to be in a valid state. + bool isValid() @trusted @nogc nothrow const { + if (!isHeap()) { + return true; // Small buffer is always valid + } + + if (_payload.heap is null) { + return _length == 0; + } + + if (_payload.heap.refCount == 0 || _payload.heap.refCount > 1_000_000) { + return false; + } + + return true; + } + + /// Returns the current reference count (for debugging). + /// Returns 0 for small buffer (no ref counting needed). + size_t refCount() @trusted @nogc nothrow const { + if (!isHeap()) { + return 0; // Small buffer doesn't use ref counting + } + return _payload.heap ? _payload.heap.refCount : 0; + } + + /// Postblit constructor - called after D blits (memcpy) this struct. + /// For heap data: increments ref count to account for the new copy. + /// For small buffer: data is already copied by blit, nothing to do. + this(this) @trusted @nogc nothrow { + if (isHeap() && _payload.heap) { + _payload.heap.refCount++; + } + } + + /// Assignment operator (properly handles ref counting). + void opAssign(HeapData rhs) @trusted @nogc nothrow { + // rhs is a copy (postblit already incremented refCount if heap) + // So we just need to release our old data and take rhs's data + + // Release old data + if (isHeap() && _payload.heap) { + if (--_payload.heap.refCount == 0) { + static if (isHeapData) { + foreach (ref item; dataPtr()[0 .. _length]) { + destroy(item); + } + } + free(_payload.heap); + } + } + + // Take data from rhs + _length = rhs._length; + _flags = rhs._flags; + _payload = rhs._payload; + + // Prevent rhs destructor from releasing + rhs._payload.heap = null; + rhs._flags = 0; + rhs._length = 0; + } + + /// Destructor (decrements ref count for heap, frees when zero). + ~this() @trusted @nogc nothrow { + if (!isHeap()) { + return; // Small buffer - nothing to free + } + + if (_payload.heap is null) { + return; + } + + version (DebugHeapData) { + if (_payload.heap.refCount == 0) { + assert(false, "HeapData: Double-free detected!"); + } + if (_payload.heap.refCount > 1_000_000) { + assert(false, "HeapData: Corrupted ref count detected!"); + } + } + + if (--_payload.heap.refCount == 0) { + static if (isHeapData) { + foreach (ref item; dataPtr()[0 .. _length]) { + destroy(item); + } + } + free(_payload.heap); + } + } + + /// Concatenation operator - creates new HeapData with combined contents. + HeapData opBinary(string op : "~")(const(T)[] rhs) @trusted @nogc nothrow const { + HeapData result; + result.reserve(_length + rhs.length); + + auto ptr = dataPtr(); + foreach (i; 0 .. _length) { + result.put(ptr[i]); + } + foreach (item; rhs) { + result.put(item); + } + + return result; + } + + /// Concatenation operator with another HeapData. + HeapData opBinary(string op : "~")(ref const HeapData rhs) @trusted @nogc nothrow const { + HeapData result; + result.reserve(_length + rhs._length); + + auto ptr = dataPtr(); + foreach (i; 0 .. _length) { + result.put(ptr[i]); + } + + auto rhsPtr = rhs.dataPtr(); + foreach (i; 0 .. rhs._length) { + result.put(rhsPtr[i]); + } + + return result; + } + + /// Append operator - appends to this HeapData in place. + void opOpAssign(string op : "~")(const(T)[] rhs) @trusted @nogc nothrow { + reserve(rhs.length); + auto ptr = dataPtr(); + foreach (item; rhs) { + ptr[_length++] = item; + } + } + + /// Append operator with another HeapData. + void opOpAssign(string op : "~")(ref const HeapData rhs) @trusted @nogc nothrow { + reserve(rhs._length); + auto ptr = dataPtr(); + auto rhsPtr = rhs.dataPtr(); + foreach (i; 0 .. rhs._length) { + ptr[_length++] = rhsPtr[i]; + } + } + + // Specializations for char type (string building) + static if (is(T == char)) { + /// Returns the current contents as a string slice. + const(char)[] toString() @nogc nothrow @trusted const { + if (_length == 0) { + return null; + } + return dataPtr()[0 .. _length]; + } + } +} + +/// Convenience aliases +alias HeapString = HeapData!char; +alias HeapStringList = HeapData!HeapString; + +/// Converts a string to HeapString. +HeapString toHeapString(string s) @trusted nothrow @nogc { + auto h = HeapString.create(s.length); + h.put(s); + return h; +} + +/// Converts a const(char)[] to HeapString. +HeapString toHeapString(const(char)[] s) @trusted nothrow @nogc { + auto h = HeapString.create(s.length); + h.put(s); + return h; +} + +// Unit tests +version (unittest) { + @("put(char) appends individual characters to buffer") + unittest { + auto h = HeapData!char.create(); + h.put('a'); + h.put('b'); + h.put('c'); + assert(h[] == "abc", "slice should return concatenated chars"); + assert(h.length == 3, "length should match number of chars added"); + } + + @("put(string) appends multiple string slices sequentially") + unittest { + auto h = HeapData!char.create(); + h.put("hello"); + h.put(" world"); + assert(h[] == "hello world", "multiple puts should concatenate strings"); + } + + @("toString returns accumulated char content as string slice") + unittest { + auto h = HeapData!char.create(); + h.put("test string"); + assert(h.toString() == "test string", "toString should return same content as slice"); + } + + @("toString returns null for uninitialized HeapData") + unittest { + HeapData!char h; + assert(h.toString() is null, "uninitialized HeapData should return null from toString"); + } + + @("copy constructor shares data and destructor preserves original after copy is destroyed") + unittest { + auto h1 = HeapData!int.create(); + h1.put(42); + { + auto h2 = h1; + assert(h2[] == [42], "copy should see same data as original"); + } + assert(h1[] == [42], "original should remain valid after copy is destroyed"); + } + + @("automatic growth when capacity exceeded by repeated puts") + unittest { + auto h = HeapData!int.create(2); + foreach (i; 0 .. 100) { + h.put(cast(int) i); + } + assert(h.length == 100, "should hold all 100 elements after growth"); + assert(h[0] == 0, "first element should be 0"); + assert(h[99] == 99, "last element should be 99"); + } + + @("empty returns true for new HeapData, false after adding element") + unittest { + auto h = HeapData!int.create(); + assert(h.empty, "newly created HeapData should be empty"); + h.put(1); + assert(!h.empty, "HeapData with element should not be empty"); + } + + @("clear resets length to zero but preserves capacity") + unittest { + auto h = HeapData!int.create(); + h.put(1); + h.put(2); + h.put(3); + assert(h.length == 3, "should have 3 elements before clear"); + h.clear(); + assert(h.length == 0, "length should be 0 after clear"); + assert(h.empty, "should be empty after clear"); + } + + @("opIndex returns element at specified position") + unittest { + auto h = HeapData!int.create(); + h.put(10); + h.put(20); + h.put(30); + assert(h[0] == 10, "index 0 should return first element"); + assert(h[1] == 20, "index 1 should return second element"); + assert(h[2] == 30, "index 2 should return third element"); + } + + @("opDollar returns current length for use in slice expressions") + unittest { + auto h = HeapData!int.create(); + h.put(1); + h.put(2); + h.put(3); + assert(h.opDollar() == 3, "opDollar should equal length"); + } + + @("reserve pre-allocates capacity without modifying length") + unittest { + auto h = HeapData!int.create(); + h.put(1); + assert(h.length == 1, "should have 1 element before reserve"); + h.reserve(100); + assert(h.length == 1, "reserve should not change length"); + foreach (i; 0 .. 100) { + h.put(cast(int) i); + } + assert(h.length == 101, "should have 101 elements after adding 100 more"); + } + + @("put on uninitialized struct auto-initializes with malloc") + unittest { + HeapData!int h; + h.put(42); + assert(h[] == [42], "auto-initialized HeapData should contain put value"); + assert(h.length == 1, "auto-initialized HeapData should have length 1"); + } + + @("put slice on uninitialized struct allocates with correct capacity") + unittest { + HeapData!int h; + h.put([1, 2, 3]); + assert(h[] == [1, 2, 3], "auto-initialized HeapData should contain all slice elements"); + } + + @("opSlice returns null for uninitialized struct without allocation") + unittest { + HeapData!int h; + assert(h[] is null, "uninitialized HeapData slice should be null"); + } + + @("multiple put slices append in order") + unittest { + auto h = HeapData!int.create(); + h.put([1, 2]); + h.put([3, 4]); + h.put([5]); + assert(h[] == [1, 2, 3, 4, 5], "consecutive put slices should append in order"); + } + + @("create with large initial capacity avoids reallocation") + unittest { + auto h = HeapData!int.create(1000); + foreach (i; 0 .. 1000) { + h.put(cast(int) i); + } + assert(h.length == 1000, "should hold 1000 elements without reallocation"); + } + + @("opEquals compares HeapString with string literal") + unittest { + auto h = HeapData!char.create(); + h.put("hello"); + assert(h == "hello", "HeapString should equal matching string"); + assert(!(h == "world"), "HeapString should not equal different string"); + } + + @("opEquals handles empty HeapString") + unittest { + auto h = HeapData!char.create(); + assert(h == "", "empty HeapString should equal empty string"); + assert(!(h == "x"), "empty HeapString should not equal non-empty string"); + } + + @("opEquals handles uninitialized HeapData") + unittest { + HeapData!char h; + assert(h == "", "uninitialized HeapData should equal empty string"); + } + + @("opEquals compares two HeapData instances") + unittest { + auto h1 = HeapData!int.create(); + h1.put([1, 2, 3]); + auto h2 = HeapData!int.create(); + h2.put([1, 2, 3]); + assert(h1 == h2, "HeapData with same content should be equal"); + } + + @("opEquals detects different HeapData content") + unittest { + auto h1 = HeapData!int.create(); + h1.put([1, 2, 3]); + auto h2 = HeapData!int.create(); + h2.put([1, 2, 4]); + assert(!(h1 == h2), "HeapData with different content should not be equal"); + } + + @("opEquals detects different HeapData lengths") + unittest { + auto h1 = HeapData!int.create(); + h1.put([1, 2, 3]); + auto h2 = HeapData!int.create(); + h2.put([1, 2]); + assert(!(h1 == h2), "HeapData with different lengths should not be equal"); + } + + @("opEquals returns true for same underlying data") + unittest { + auto h1 = HeapData!int.create(); + h1.put([1, 2, 3]); + auto h2 = h1; // Copy shares same data + assert(h1 == h2, "copies sharing same data should be equal"); + } + + @("small buffer optimization stores short strings inline") + unittest { + auto h = HeapData!char.create(); + h.put("short"); + assert(h[] == "short", "short string should be stored"); + assert(h.refCount() == 0, "small buffer should not use ref counting"); + } + + @("small buffer transitions to heap when capacity exceeded") + unittest { + auto h = HeapData!char.create(); + // Add enough data to exceed SBO threshold (varies by arch: ~47 on x86-64, ~111 on ARM64) + // Use a large enough value to exceed any architecture's SBO + foreach (i; 0 .. 200) { + h.put('x'); + } + assert(h.length == 200, "should store all chars"); + assert(h.refCount() == 1, "heap allocation should have ref count of 1"); + } + + @("concatenation operator creates new HeapData with combined content") + unittest { + auto h = HeapData!char.create(); + h.put("hello"); + auto result = h ~ " world"; + assert(result[] == "hello world", "concatenation should combine strings"); + assert(h[] == "hello", "original should be unchanged"); + } + + @("concatenation of two HeapData instances") + unittest { + auto h1 = HeapData!char.create(); + h1.put("hello"); + auto h2 = HeapData!char.create(); + h2.put(" world"); + auto result = h1 ~ h2; + assert(result[] == "hello world", "concatenation should combine HeapData instances"); + } + + @("append operator modifies HeapData in place") + unittest { + auto h = HeapData!char.create(); + h.put("hello"); + h ~= " world"; + assert(h[] == "hello world", "append should modify in place"); + } + + @("append HeapData to another HeapData") + unittest { + auto h1 = HeapData!char.create(); + h1.put("hello"); + auto h2 = HeapData!char.create(); + h2.put(" world"); + h1 ~= h2; + assert(h1[] == "hello world", "append should combine HeapData instances"); + } + + @("copy of heap-allocated data shares reference") + unittest { + auto h1 = HeapData!char.create(); + // Force heap allocation with long string (200 chars exceeds any arch's SBO) + foreach (i; 0 .. 200) { + h1.put('x'); + } + auto h2 = h1; + assert(h1.refCount() == 2, "copy should share reference"); + assert(h2.refCount() == 2, "both should see same ref count"); + } + + @("copy of small buffer data is independent") + unittest { + auto h1 = HeapData!char.create(); + h1.put("short"); + auto h2 = h1; + h2.put("!"); // Modify copy + assert(h1[] == "short", "original should be unchanged"); + assert(h2[] == "short!", "copy should be modified"); + } + + @("combined allocation reduces malloc calls") + unittest { + // Create heap-allocated data (200 exceeds any arch's SBO) + auto h = HeapData!char.create(200); + h.put("test"); + // With combined allocation, refCount is stored with data + // so only one malloc was needed (vs two in old implementation) + assert(h.refCount() == 1, "heap data should have ref count"); + assert(h.isValid(), "data should be valid"); + } +} diff --git a/source/fluentasserts/core/memory/process.d b/source/fluentasserts/core/memory/process.d new file mode 100644 index 00000000..b6bde93a --- /dev/null +++ b/source/fluentasserts/core/memory/process.d @@ -0,0 +1,189 @@ +/// Cross-platform memory utilities for fluent-asserts. +/// Provides functions to query process memory usage across different operating systems. +module fluentasserts.core.memory.process; + +import core.memory : GC; + +version (linux) { + private extern (C) nothrow @nogc { + struct mallinfo_t { + int arena; // Non-mmapped space allocated (bytes) + int ordblks; // Number of free chunks + int smblks; // Number of free fastbin blocks + int hblks; // Number of mmapped regions + int hblkhd; // Space allocated in mmapped regions (bytes) + int usmblks; // Unused + int fsmblks; // Space in freed fastbin blocks (bytes) + int uordblks; // Total allocated space (bytes) + int fordblks; // Total free space (bytes) + int keepcost; // Top-most, releasable space (bytes) + } + + mallinfo_t mallinfo(); + } +} + +version (OSX) { + private extern (C) nothrow @nogc { + alias mach_port_t = uint; + alias task_info_t = int*; + alias mach_msg_type_number_t = uint; + alias kern_return_t = int; + + enum MACH_TASK_BASIC_INFO = 20; + enum TASK_VM_INFO = 22; + enum KERN_SUCCESS = 0; + + struct mach_task_basic_info { + int suspend_count; + size_t virtual_size; + size_t resident_size; + ulong user_time; + ulong system_time; + int policy; + } + + // TASK_VM_INFO structure - phys_footprint is what top/Xcode use + // Using ulong (64-bit) for mach_vm_size_t fields, uint for natural_t + struct task_vm_info { + ulong virtual_size; // mach_vm_size_t + uint region_count; // natural_t + int page_size; // int + ulong resident_size; // mach_vm_size_t + ulong resident_size_peak; // mach_vm_size_t + ulong device; // mach_vm_size_t + ulong device_peak; // mach_vm_size_t + ulong internal; // mach_vm_size_t + ulong internal_peak; // mach_vm_size_t + ulong external; // mach_vm_size_t + ulong external_peak; // mach_vm_size_t + ulong reusable; // mach_vm_size_t + ulong reusable_peak; // mach_vm_size_t + ulong purgeable_volatile_pmap; + ulong purgeable_volatile_resident; + ulong purgeable_volatile_virtual; + ulong compressed; // mach_vm_size_t + ulong compressed_peak; // mach_vm_size_t + ulong compressed_lifetime; // mach_vm_size_t + ulong phys_footprint; // mach_vm_size_t - This is what we want + ulong min_address; // mach_vm_address_t + ulong max_address; // mach_vm_address_t + } + + enum MACH_TASK_BASIC_INFO_COUNT = mach_task_basic_info.sizeof / uint.sizeof; + enum TASK_VM_INFO_COUNT = task_vm_info.sizeof / uint.sizeof; + + mach_port_t mach_task_self(); + kern_return_t task_info(mach_port_t, int, task_info_t, mach_msg_type_number_t*); + } +} + +version (Windows) { + private extern (Windows) nothrow @nogc { + alias HANDLE = void*; + alias DWORD = uint; + alias BOOL = int; + + struct PROCESS_MEMORY_COUNTERS { + DWORD cb; + DWORD PageFaultCount; + size_t PeakWorkingSetSize; + size_t WorkingSetSize; + size_t QuotaPeakPagedPoolUsage; + size_t QuotaPagedPoolUsage; + size_t QuotaPeakNonPagedPoolUsage; + size_t QuotaNonPagedPoolUsage; + size_t PagefileUsage; + size_t PeakPagefileUsage; + } + + HANDLE GetCurrentProcess(); + BOOL GetProcessMemoryInfo(HANDLE, PROCESS_MEMORY_COUNTERS*, DWORD); + } +} + +/// Returns the total resident memory used by the current process in bytes. +/// Uses platform-specific APIs: /proc/self/status on Linux, task_info on macOS, +/// GetProcessMemoryInfo on Windows. +/// Returns: Process resident memory in bytes, or 0 if unavailable. +size_t getProcessMemory() @trusted nothrow { + version (linux) { + import std.stdio : File; + import std.conv : to; + import std.algorithm : startsWith; + import std.array : split; + + try { + auto f = File("/proc/self/status", "r"); + foreach (line; f.byLine) { + if (line.startsWith("VmRSS:")) { + auto parts = line.split(); + if (parts.length >= 2) { + return parts[1].to!size_t * 1024; + } + } + } + } catch (Exception) {} + return 0; + } + else version (OSX) { + mach_task_basic_info info; + mach_msg_type_number_t count = MACH_TASK_BASIC_INFO_COUNT; + if (task_info(mach_task_self(), MACH_TASK_BASIC_INFO, cast(task_info_t)&info, &count) == KERN_SUCCESS) { + return info.resident_size; + } + return 0; + } + else version (Windows) { + PROCESS_MEMORY_COUNTERS pmc; + pmc.cb = PROCESS_MEMORY_COUNTERS.sizeof; + if (GetProcessMemoryInfo(GetCurrentProcess(), &pmc, pmc.cb)) { + return pmc.WorkingSetSize; + } + return 0; + } + else { + return 0; + } +} + +/// Returns the C heap (malloc) memory currently in use. +/// Uses platform-specific APIs for accurate measurement: +/// - Linux: mallinfo() for malloc arena statistics +/// - macOS: malloc_zone_statistics() for zone-based allocation stats +/// - Windows: Falls back to process memory estimation +/// Returns: Malloc heap usage in bytes. +size_t getNonGCMemory() @trusted nothrow { + version (linux) { + auto info = mallinfo(); + // uordblks = total allocated space, hblkhd = mmap'd space + return cast(size_t)(info.uordblks + info.hblkhd); + } + else version (OSX) { + // Use phys_footprint from TASK_VM_INFO - this is what top/Xcode use. + // It tracks dirty (written to) memory, which captures malloc allocations. + // We return raw phys_footprint since evaluation.d takes a delta. + task_vm_info info; + mach_msg_type_number_t count = TASK_VM_INFO_COUNT; + if (task_info(mach_task_self(), TASK_VM_INFO, cast(task_info_t)&info, &count) == KERN_SUCCESS) { + return cast(size_t)info.phys_footprint; + } + return 0; + } + else version (Windows) { + // Windows: fall back to process memory estimation + auto total = getProcessMemory(); + auto gcStats = GC.stats(); + auto gcTotal = gcStats.usedSize + gcStats.freeSize; + return total > gcTotal ? total - gcTotal : 0; + } + else { + return 0; + } +} + +/// Returns the current GC heap usage. +/// Returns: GC used memory in bytes. +size_t getGCMemory() @trusted nothrow @nogc { + return GC.stats().usedSize; +} diff --git a/source/fluentasserts/core/memory/typenamelist.d b/source/fluentasserts/core/memory/typenamelist.d new file mode 100644 index 00000000..a1ba518b --- /dev/null +++ b/source/fluentasserts/core/memory/typenamelist.d @@ -0,0 +1,174 @@ +/// Fixed-size list of type names for @nogc contexts. +/// Stores type names as HeapStrings with a maximum capacity. +module fluentasserts.core.memory.typenamelist; + +import fluentasserts.core.memory.heapstring; + +@safe: + +/// Fixed-size list of type names using HeapStrings. +/// Designed to store type hierarchy information without GC allocation. +/// Maximum capacity is 8, which is sufficient for most type hierarchies. +struct TypeNameList { + private enum MAX_SIZE = 8; + + private { + HeapString[MAX_SIZE] _names; + size_t _length; + } + + /// Adds a type name to the list. + void put(string name) @trusted nothrow @nogc { + if (_length >= MAX_SIZE) { + return; + } + + _names[_length] = toHeapString(name); + _length++; + } + + /// Adds a type name from a const(char)[] slice. + void put(const(char)[] name) @trusted nothrow @nogc { + if (_length >= MAX_SIZE) { + return; + } + + _names[_length] = toHeapString(name); + _length++; + } + + /// Returns the number of type names stored. + size_t length() @nogc nothrow const { + return _length; + } + + /// Returns true if the list is empty. + bool empty() @nogc nothrow const { + return _length == 0; + } + + /// Increment ref counts for all contained HeapStrings. + /// Used when this TypeNameList is copied via blit (memcpy). + void incrementRefCount() @trusted @nogc nothrow { + foreach (i; 0 .. _length) { + _names[i].incrementRefCount(); + } + } + + /// Returns the type name at the given index. + ref inout(HeapString) opIndex(size_t i) @nogc nothrow inout return { + return _names[i]; + } + + /// Iteration support (@nogc version). + int opApply(scope int delegate(ref HeapString) @safe nothrow @nogc dg) @trusted nothrow @nogc { + foreach (i; 0 .. _length) { + if (auto result = dg(_names[i])) { + return result; + } + } + return 0; + } + + /// Iteration support (non-@nogc version for compatibility). + int opApply(scope int delegate(ref HeapString) @safe nothrow dg) @trusted nothrow { + foreach (i; 0 .. _length) { + if (auto result = dg(_names[i])) { + return result; + } + } + return 0; + } + + /// Const iteration support. + int opApply(scope int delegate(ref const HeapString) @safe nothrow @nogc dg) @trusted nothrow @nogc const { + foreach (i; 0 .. _length) { + if (auto result = dg(_names[i])) { + return result; + } + } + return 0; + } + + /// Clears all type names. + void clear() @nogc nothrow { + _length = 0; + } + + /// Postblit - HeapStrings handle their own ref counting. + this(this) @trusted @nogc nothrow { + // HeapStrings use postblit internally for ref counting + } + + /// Copy constructor - creates a deep copy. + this(ref return scope inout TypeNameList rhs) @trusted nothrow { + _length = rhs._length; + foreach (i; 0 .. _length) { + _names[i] = rhs._names[i]; + } + } + + /// Assignment operator (ref). + void opAssign(ref const TypeNameList rhs) @trusted nothrow { + _length = rhs._length; + foreach (i; 0 .. _length) { + _names[i] = rhs._names[i]; + } + } + + /// Assignment operator (rvalue). + void opAssign(TypeNameList rhs) @trusted nothrow { + _length = rhs._length; + foreach (i; 0 .. _length) { + _names[i] = rhs._names[i]; + } + } +} + +version (unittest) { + @("TypeNameList stores and retrieves type names") + unittest { + TypeNameList list; + list.put("int"); + list.put("Object"); + + assert(list.length == 2); + assert(list[0][] == "int"); + assert(list[1][] == "Object"); + } + + @("TypeNameList iteration works") + unittest { + TypeNameList list; + list.put("A"); + list.put("B"); + list.put("C"); + + size_t count = 0; + foreach (ref name; list) { + count++; + } + assert(count == 3); + } + + @("TypeNameList copy creates independent copy") + unittest { + TypeNameList list1; + list1.put("type1"); + + auto list2 = list1; + list2.put("type2"); + + assert(list1.length == 1); + assert(list2.length == 2); + } + + @("TypeNameList respects maximum capacity") + unittest { + TypeNameList list; + foreach (i; 0 .. 10) { + list.put("type"); + } + assert(list.length == 8); + } +} diff --git a/source/fluentasserts/core/message.d b/source/fluentasserts/core/message.d deleted file mode 100644 index 07cf18c9..00000000 --- a/source/fluentasserts/core/message.d +++ /dev/null @@ -1,198 +0,0 @@ -module fluentasserts.core.message; - -import std.string; -import ddmp.diff; -import fluentasserts.core.results; -import std.algorithm; -import std.conv; - -@safe: - -/// Glyphs used to display special chars in the results -struct ResultGlyphs { - static { - /// Glyph for the tab char - string tab; - - /// Glyph for the \r char - string carriageReturn; - - /// Glyph for the \n char - string newline; - - /// Glyph for the space char - string space; - - /// Glyph for the \0 char - string nullChar; - - /// Glyph that indicates the error line - string sourceIndicator; - - /// Glyph that sepparates the line number - string sourceLineSeparator; - - /// Glyph for the diff begin indicator - string diffBegin; - - /// Glyph for the diff end indicator - string diffEnd; - - /// Glyph that marks an inserted text in diff - string diffInsert; - - /// Glyph that marks deleted text in diff - string diffDelete; - } - - /// Set the default values. The values are - static resetDefaults() { - version(windows) { - ResultGlyphs.tab = `\t`; - ResultGlyphs.carriageReturn = `\r`; - ResultGlyphs.newline = `\n`; - ResultGlyphs.space = ` `; - ResultGlyphs.nullChar = `␀`; - } else { - ResultGlyphs.tab = `¤`; - ResultGlyphs.carriageReturn = `←`; - ResultGlyphs.newline = `↲`; - ResultGlyphs.space = `᛫`; - ResultGlyphs.nullChar = `\0`; - } - - ResultGlyphs.sourceIndicator = ">"; - ResultGlyphs.sourceLineSeparator = ":"; - - ResultGlyphs.diffBegin = "["; - ResultGlyphs.diffEnd = "]"; - ResultGlyphs.diffInsert = "+"; - ResultGlyphs.diffDelete = "-"; - } -} - -struct Message { - enum Type { - info, - value, - title, - category, - insert, - delete_ - } - - Type type; - string text; - - this(Type type, string text) nothrow { - this.type = type; - - if(type == Type.value || type == Type.insert || type == Type.delete_) { - this.text = text - .replace("\r", ResultGlyphs.carriageReturn) - .replace("\n", ResultGlyphs.newline) - .replace("\0", ResultGlyphs.nullChar) - .replace("\t", ResultGlyphs.tab); - } else { - this.text = text; - } - } - - string toString() nothrow inout { - switch(type) { - case Type.title: - return "\n\n" ~ text ~ "\n"; - case Type.insert: - return "[-" ~ text ~ "]"; - case Type.delete_: - return "[+" ~ text ~ "]"; - case Type.category: - return "\n" ~ text ~ ""; - default: - return text; - } - } -} - -IResult[] toException(ref EvaluationResult result) nothrow { - if(result.messages.length == 0) { - return []; - } - - return [ new EvaluationResultInstance(result) ]; -} - -struct EvaluationResult { - private { - immutable(Message)[] messages; - } - - void add(immutable(Message) message) nothrow { - messages ~= message; - } - - string toString() nothrow { - string result; - - foreach (message; messages) { - result ~= message.toString; - } - - return result; - } - - void print(ResultPrinter printer) nothrow { - foreach (message; messages) { - printer.print(message); - } - } -} - -static immutable actualTitle = Message(Message.Type.category, "Actual:"); - -void addResult(ref EvaluationResult result, string value) nothrow @trusted { - result.add(actualTitle); - - result.add(Message(Message.Type.value, value)); -} - - -static immutable expectedTitle = Message(Message.Type.category, "Expected:"); -static immutable expectedNot = Message(Message.Type.info, "not "); - -void addExpected(ref EvaluationResult result, bool isNegated, string value) nothrow @trusted { - result.add(expectedTitle); - - if(isNegated) { - result.add(expectedNot); - } - - result.add(Message(Message.Type.value, value)); -} - - -static immutable diffTitle = Message(Message.Type.title, "Diff:"); - -void addDiff(ref EvaluationResult result, string actual, string expected) nothrow @trusted { - result.add(diffTitle); - - try { - auto diffResult = diff_main(expected, actual); - - foreach(diff; diffResult) { - if(diff.operation == Operation.EQUAL) { - result.add(Message(Message.Type.info, diff.text.to!string)); - } - - if(diff.operation == Operation.INSERT) { - result.add(Message(Message.Type.insert, diff.text.to!string)); - } - - if(diff.operation == Operation.DELETE) { - result.add(Message(Message.Type.delete_, diff.text.to!string)); - } - } - } catch(Exception e) { - return; - } -} diff --git a/source/fluentasserts/core/nogcexpect.d b/source/fluentasserts/core/nogcexpect.d new file mode 100644 index 00000000..ccfbe52b --- /dev/null +++ b/source/fluentasserts/core/nogcexpect.d @@ -0,0 +1,289 @@ +/// Nothrow fluent API for assertions on primitive types with minimal GC usage. +/// Note: Not fully @nogc (numeric serialization allocates), but nothrow and GC-light. +/// Integrates with fluent-asserts infrastructure using HeapString and HeapEquableValue. +module fluentasserts.core.nogcexpect; + +import fluentasserts.core.evaluation.constraints : isPrimitiveType; +import fluentasserts.core.evaluation.equable : equableValue; +import fluentasserts.core.memory.heapstring : HeapString; +import fluentasserts.core.memory.heapequable : HeapEquableValue; +import fluentasserts.results.serializers.heap_registry : HeapSerializerRegistry; + +import std.traits; + +/// Nothrow assertion result with minimal GC usage. +/// Can be checked inline or enforced later (throws exception). +struct NoGCAssertResult { + HeapEquableValue actual; + HeapEquableValue expected; + HeapString operation; + HeapString fileName; + size_t line; + bool isNegated; + bool passed; + + @disable this(this); + + /// Throws an exception if the assertion failed (non-@nogc). + void enforce() @safe { + if (!passed) { + throw new Exception("Assertion failed"); + } + } +} + +/// A lightweight nothrow assertion struct for primitive types with minimal GC. +/// Provides fluent API for assertions on numbers, strings, and chars. +/// Note: Not @nogc for numerics (serialization allocates), but nothrow and GC-light. +@safe struct NoGCExpect(T) if(isPrimitiveType!T) { + + private { + HeapEquableValue _actualValue; + HeapString _fileName; + size_t _line; + bool _isNegated; + } + + @disable this(this); + + /// Constructor - nothrow but not @nogc for numeric types (serialization allocates). + this(T value, string file, size_t line) nothrow { + _actualValue = equableValue(value); + _fileName = HeapString.create(file.length); + _fileName.put(file); + _line = line; + _isNegated = false; + } + + /// Syntactic sugar - returns self for chaining. + ref NoGCExpect to() return @nogc nothrow { + return this; + } + + /// Syntactic sugar - returns self for chaining. + ref NoGCExpect be() return @nogc nothrow { + return this; + } + + /// Negates the assertion condition. + ref NoGCExpect not() return @nogc nothrow { + _isNegated = !_isNegated; + return this; + } + + /// Asserts that the actual value equals the expected value. + /// Note: Not @nogc for numeric types (serialization allocates). + NoGCAssertResult equal(T expected, string file = __FILE__, size_t line = __LINE__) nothrow { + auto expectedValue = equableValue(expected); + + bool isEqual = _actualValue.isEqualTo(expectedValue); + if (_isNegated) { + isEqual = !isEqual; + } + + NoGCAssertResult result; + result.actual = _actualValue; + result.expected = expectedValue; + result.operation = createOperationString("equal"); + result.fileName = _fileName; + result.line = _line; + result.isNegated = _isNegated; + result.passed = isEqual; + + return result; + } + + /// Asserts that the actual value is greater than the expected value. + /// Note: Not @nogc for numeric types (serialization allocates). + NoGCAssertResult greaterThan(T expected, string file = __FILE__, size_t line = __LINE__) nothrow { + static if (isNumeric!T) { + auto expectedValue = equableValue(expected); + + bool isGreater = _actualValue.isLessThan(expectedValue); + isGreater = !isGreater && !_actualValue.isEqualTo(expectedValue); + + if (_isNegated) { + isGreater = !isGreater; + } + + NoGCAssertResult result; + result.actual = _actualValue; + result.expected = expectedValue; + result.operation = createOperationString("greaterThan"); + result.fileName = _fileName; + result.line = _line; + result.isNegated = _isNegated; + result.passed = isGreater; + + return result; + } else { + NoGCAssertResult result; + result.passed = false; + return result; + } + } + + /// Asserts that the actual value is less than the expected value. + /// Note: Not @nogc for numeric types (serialization allocates). + NoGCAssertResult lessThan(T expected, string file = __FILE__, size_t line = __LINE__) nothrow { + static if (isNumeric!T) { + auto expectedValue = equableValue(expected); + + bool isLess = _actualValue.isLessThan(expectedValue); + if (_isNegated) { + isLess = !isLess; + } + + NoGCAssertResult result; + result.actual = _actualValue; + result.expected = expectedValue; + result.operation = createOperationString("lessThan"); + result.fileName = _fileName; + result.line = _line; + result.isNegated = _isNegated; + result.passed = isLess; + + return result; + } else { + NoGCAssertResult result; + result.passed = false; + return result; + } + } + + /// Asserts that the actual value is greater than or equal to the expected value. + /// Note: Not @nogc for numeric types (serialization allocates). + NoGCAssertResult greaterOrEqualTo(T expected, string file = __FILE__, size_t line = __LINE__) nothrow { + static if (isNumeric!T) { + auto expectedValue = equableValue(expected); + + bool isGreaterOrEqual = !_actualValue.isLessThan(expectedValue); + if (_isNegated) { + isGreaterOrEqual = !isGreaterOrEqual; + } + + NoGCAssertResult result; + result.actual = _actualValue; + result.expected = expectedValue; + result.operation = createOperationString("greaterOrEqualTo"); + result.fileName = _fileName; + result.line = _line; + result.isNegated = _isNegated; + result.passed = isGreaterOrEqual; + + return result; + } else { + NoGCAssertResult result; + result.passed = false; + return result; + } + } + + /// Asserts that the actual value is less than or equal to the expected value. + /// Note: Not @nogc for numeric types (serialization allocates). + NoGCAssertResult lessOrEqualTo(T expected, string file = __FILE__, size_t line = __LINE__) nothrow { + static if (isNumeric!T) { + auto expectedValue = equableValue(expected); + + bool isLessOrEqual = _actualValue.isLessThan(expectedValue) || _actualValue.isEqualTo(expectedValue); + if (_isNegated) { + isLessOrEqual = !isLessOrEqual; + } + + NoGCAssertResult result; + result.actual = _actualValue; + result.expected = expectedValue; + result.operation = createOperationString("lessOrEqualTo"); + result.fileName = _fileName; + result.line = _line; + result.isNegated = _isNegated; + result.passed = isLessOrEqual; + + return result; + } else { + NoGCAssertResult result; + result.passed = false; + return result; + } + } + + /// Asserts that the actual value is above (greater than) the expected value. + NoGCAssertResult above(T expected, string file = __FILE__, size_t line = __LINE__) nothrow { + return greaterThan(expected, file, line); + } + + /// Asserts that the actual value is below (less than) the expected value. + NoGCAssertResult below(T expected, string file = __FILE__, size_t line = __LINE__) nothrow { + return lessThan(expected, file, line); + } + + private HeapString createOperationString(string op) @nogc nothrow { + auto result = HeapString.create(op.length + (_isNegated ? 4 : 0)); + if (_isNegated) { + result.put("not "); + } + result.put(op); + return result; + } +} + +/// Creates a NoGCExpect from a primitive value. +/// Only works with primitive types (numbers, strings, chars). +/// Note: This is nothrow but NOT @nogc for numeric types (serialization allocates). +/// Params: +/// value = The primitive value to test +/// file = Source file (auto-filled) +/// line = Source line (auto-filled) +/// Returns: A NoGCExpect struct for fluent assertions with minimal GC usage +auto nogcExpect(T)(T value, const string file = __FILE__, const size_t line = __LINE__) nothrow + if(isPrimitiveType!T) +{ + return NoGCExpect!T(value, file, line); +} + +version(unittest) { + @("nogcExpect supports primitive equality") + nothrow unittest { + auto result = nogcExpect(42).equal(42); + assert(result.passed); + } + + @("nogcExpect detects inequality") + nothrow unittest { + auto result = nogcExpect(42).equal(43); + assert(!result.passed); + } + + @("nogcExpect supports negation") + nothrow unittest { + auto result = nogcExpect(42).not.equal(43); + assert(result.passed); + } + + @("nogcExpect supports greater than") + nothrow unittest { + auto result = nogcExpect(10).greaterThan(5); + assert(result.passed); + } + + @("nogcExpect supports less than") + nothrow unittest { + auto result = nogcExpect(5).lessThan(10); + assert(result.passed); + } + + @("nogcExpect works with strings") + nothrow unittest { + auto result = nogcExpect("hello").equal("hello"); + assert(result.passed); + } + + @("nogcExpect result can be enforced outside @nogc") + unittest { + auto result = ({ + return nogcExpect(42).equal(42); + })(); + + result.enforce(); // Should not throw + } +} diff --git a/source/fluentasserts/core/objects.d b/source/fluentasserts/core/objects.d deleted file mode 100644 index ecd0ae14..00000000 --- a/source/fluentasserts/core/objects.d +++ /dev/null @@ -1,190 +0,0 @@ -module fluentasserts.core.objects; - -public import fluentasserts.core.base; -import fluentasserts.core.results; - -import std.string; -import std.stdio; -import std.traits; -import std.conv; - -@("lazy object that throws propagates the exception") -unittest { - Object someLazyObject() { - throw new Exception("This is it."); - } - - ({ - someLazyObject.should.not.beNull; - }).should.throwAnyException.withMessage("This is it."); - - ({ - someLazyObject.should.be.instanceOf!Object; - }).should.throwAnyException.withMessage("This is it."); - - ({ - someLazyObject.should.equal(new Object); - }).should.throwAnyException.withMessage("This is it."); -} - -@("object beNull") -unittest { - Object o = null; - - ({ - o.should.beNull; - (new Object).should.not.beNull; - }).should.not.throwAnyException; - - auto msg = ({ - o.should.not.beNull; - }).should.throwException!TestException.msg; - - msg.split("\n")[0].should.equal("o should not be null."); - msg.split("\n")[2].strip.should.equal("Expected:not null"); - msg.split("\n")[3].strip.should.equal("Actual:object.Object"); - - msg = ({ - (new Object).should.beNull; - }).should.throwException!TestException.msg; - - msg.split("\n")[0].should.equal("(new Object) should be null."); - msg.split("\n")[2].strip.should.equal("Expected:null"); - msg.split("\n")[3].strip.strip.should.equal("Actual:object.Object"); -} - -@("object instanceOf") -unittest { - class BaseClass { } - class ExtendedClass : BaseClass { } - class SomeClass { } - class OtherClass { } - - auto someObject = new SomeClass; - auto otherObject = new OtherClass; - auto extendedObject = new ExtendedClass; - - someObject.should.be.instanceOf!SomeClass; - extendedObject.should.be.instanceOf!BaseClass; - - someObject.should.not.be.instanceOf!OtherClass; - someObject.should.not.be.instanceOf!BaseClass; - - auto msg = ({ - otherObject.should.be.instanceOf!SomeClass; - }).should.throwException!TestException.msg; - - msg.split("\n")[0].should.startWith(`otherObject should be instance of "fluentasserts.core.objects.__unittest_L57_C1.SomeClass".`); - msg.split("\n")[2].strip.should.equal("Expected:typeof fluentasserts.core.objects.__unittest_L57_C1.SomeClass"); - msg.split("\n")[3].strip.should.equal("Actual:typeof fluentasserts.core.objects.__unittest_L57_C1.OtherClass"); - - msg = ({ - otherObject.should.not.be.instanceOf!OtherClass; - }).should.throwException!TestException.msg; - - msg.split("\n")[0].should.startWith(`otherObject should not be instance of "fluentasserts.core.objects.__unittest_L57_C1.OtherClass"`); - msg.split("\n")[2].strip.should.equal("Expected:not typeof fluentasserts.core.objects.__unittest_L57_C1.OtherClass"); - msg.split("\n")[3].strip.should.equal("Actual:typeof fluentasserts.core.objects.__unittest_L57_C1.OtherClass"); -} - -@("object instanceOf interface") -unittest { - interface MyInterface { } - class BaseClass : MyInterface { } - class OtherClass { } - - auto someObject = new BaseClass; - MyInterface someInterface = new BaseClass; - auto otherObject = new OtherClass; - - someInterface.should.be.instanceOf!MyInterface; - someInterface.should.not.be.instanceOf!BaseClass; - - someObject.should.be.instanceOf!MyInterface; - - auto msg = ({ - otherObject.should.be.instanceOf!MyInterface; - }).should.throwException!TestException.msg; - - msg.split("\n")[0].should.startWith(`otherObject should be instance of "fluentasserts.core.objects.__unittest_L91_C1.MyInterface".`); - msg.split("\n")[2].strip.should.equal("Expected:typeof fluentasserts.core.objects.__unittest_L91_C1.MyInterface"); - msg.split("\n")[3].strip.should.equal("Actual:typeof fluentasserts.core.objects.__unittest_L91_C1.OtherClass"); - - msg = ({ - someObject.should.not.be.instanceOf!MyInterface; - }).should.throwException!TestException.msg; - - msg.split("\n")[0].should.contain(`someObject should not be instance of "fluentasserts.core.objects.__unittest_L91_C1.MyInterface".`); - msg.split("\n")[2].strip.should.equal("Expected:not typeof fluentasserts.core.objects.__unittest_L91_C1.MyInterface"); - msg.split("\n")[3].strip.should.equal("Actual:typeof fluentasserts.core.objects.__unittest_L91_C1.BaseClass"); -} - -@("delegates returning objects that throw propagate the exception") -unittest { - class SomeClass { } - - SomeClass value() { - throw new Exception("not implemented"); - } - - SomeClass noException() { return null; } - - value().should.throwAnyException.withMessage.equal("not implemented"); - - bool thrown; - - try { - noException.should.throwAnyException; - } catch (TestException e) { - e.msg.should.startWith("noException should throw any exception. No exception was thrown."); - thrown = true; - } - - thrown.should.equal(true); -} - -@("object equal") -unittest { - class TestEqual { - private int value; - - this(int value) { - this.value = value; - } - } - - auto instance = new TestEqual(1); - - instance.should.equal(instance); - instance.should.not.equal(new TestEqual(1)); - - auto msg = ({ - instance.should.not.equal(instance); - }).should.throwException!TestException.msg; - - msg.should.startWith("instance should not equal TestEqual"); - - msg = ({ - instance.should.equal(new TestEqual(1)); - }).should.throwException!TestException.msg; - - msg.should.startWith("instance should equal TestEqual"); -} - -@("null object comparison") -unittest -{ - Object nullObject; - - auto msg = ({ - nullObject.should.equal(new Object); - }).should.throwException!TestException.msg; - - msg.should.startWith("nullObject should equal Object("); - - msg = ({ - (new Object).should.equal(null); - }).should.throwException!TestException.msg; - - msg.should.startWith("(new Object) should equal null."); -} diff --git a/source/fluentasserts/core/operations/approximately.d b/source/fluentasserts/core/operations/approximately.d deleted file mode 100644 index 90ca306e..00000000 --- a/source/fluentasserts/core/operations/approximately.d +++ /dev/null @@ -1,137 +0,0 @@ -module fluentasserts.core.operations.approximately; - -import fluentasserts.core.results; -import fluentasserts.core.evaluation; -import fluentasserts.core.array; -import fluentasserts.core.serializers; -import fluentasserts.core.operations.contain; - -import fluentasserts.core.lifecycle; - -import std.algorithm; -import std.array; -import std.conv; -import std.math; - -version(unittest) { - import fluentasserts.core.expect; -} - -static immutable approximatelyDescription = "Asserts that the target is a number that's within a given +/- `delta` range of the given number expected. However, it's often best to assert that the target is equal to its expected value."; - -/// -IResult[] approximately(ref Evaluation evaluation) @trusted nothrow { - IResult[] results = []; - - evaluation.message.addValue("±"); - evaluation.message.addValue(evaluation.expectedValue.meta["1"]); - evaluation.message.addText("."); - - real current; - real expected; - real delta; - - try { - current = evaluation.currentValue.strValue.to!real; - expected = evaluation.expectedValue.strValue.to!real; - delta = evaluation.expectedValue.meta["1"].to!real; - } catch(Exception e) { - results ~= new MessageResult("Can't parse the provided arguments!"); - - return results; - } - - string strExpected = evaluation.expectedValue.strValue ~ "±" ~ evaluation.expectedValue.meta["1"]; - string strCurrent = evaluation.currentValue.strValue; - - auto result = isClose(current, expected, 0, delta); - - if(evaluation.isNegated) { - result = !result; - } - - if(result) { - return []; - } - - if(evaluation.currentValue.typeName != "bool") { - evaluation.message.addText(" "); - evaluation.message.addValue(strCurrent); - - if(evaluation.isNegated) { - evaluation.message.addText(" is approximately "); - } else { - evaluation.message.addText(" is not approximately "); - } - - evaluation.message.addValue(strExpected); - evaluation.message.addText("."); - } - - try results ~= new ExpectedActualResult((evaluation.isNegated ? "not " : "") ~ strExpected, strCurrent); catch(Exception) {} - - return results; -} - -/// -IResult[] approximatelyList(ref Evaluation evaluation) @trusted nothrow { - evaluation.message.addValue("±" ~ evaluation.expectedValue.meta["1"]); - evaluation.message.addText("."); - - double maxRelDiff; - real[] testData; - real[] expectedPieces; - - try { - testData = evaluation.currentValue.strValue.parseList.cleanString.map!(a => a.to!real).array; - expectedPieces = evaluation.expectedValue.strValue.parseList.cleanString.map!(a => a.to!real).array; - maxRelDiff = evaluation.expectedValue.meta["1"].to!double; - } catch(Exception e) { - return [ new MessageResult("Can not perform the assert.") ]; - } - - auto comparison = ListComparison!real(testData, expectedPieces, maxRelDiff); - - auto missing = comparison.missing; - auto extra = comparison.extra; - auto common = comparison.common; - - IResult[] results = []; - - bool allEqual = testData.length == expectedPieces.length; - - if(allEqual) { - foreach(i; 0..testData.length) { - allEqual = allEqual && isClose(testData[i], expectedPieces[i], 0, maxRelDiff) && true; - } - } - - string strExpected; - string strMissing; - - if(maxRelDiff == 0) { - strExpected = evaluation.expectedValue.strValue; - try strMissing = missing.length == 0 ? "" : missing.to!string; - catch(Exception) {} - } else try { - strMissing = "[" ~ missing.map!(a => a.to!string ~ "±" ~ maxRelDiff.to!string).join(", ") ~ "]"; - strExpected = "[" ~ expectedPieces.map!(a => a.to!string ~ "±" ~ maxRelDiff.to!string).join(", ") ~ "]"; - } catch(Exception) {} - - if(!evaluation.isNegated) { - if(!allEqual) { - try results ~= new ExpectedActualResult(strExpected, evaluation.currentValue.strValue); - catch(Exception) {} - - try results ~= new ExtraMissingResult(extra.length == 0 ? "" : extra.to!string, strMissing); - catch(Exception) {} - } - } else { - if(allEqual) { - try results ~= new ExpectedActualResult("not " ~ strExpected, evaluation.currentValue.strValue); - catch(Exception) {} - } - } - - return results; -} diff --git a/source/fluentasserts/core/operations/arrayEqual.d b/source/fluentasserts/core/operations/arrayEqual.d deleted file mode 100644 index 6ed6e428..00000000 --- a/source/fluentasserts/core/operations/arrayEqual.d +++ /dev/null @@ -1,51 +0,0 @@ -module fluentasserts.core.operations.arrayEqual; - -import fluentasserts.core.results; -import fluentasserts.core.evaluation; - -import fluentasserts.core.lifecycle; - -version(unittest) { - import fluentasserts.core.expect; -} - -static immutable arrayEqualDescription = "Asserts that the target is strictly == equal to the given val."; - -/// -IResult[] arrayEqual(ref Evaluation evaluation) @safe nothrow { - evaluation.message.addText("."); - bool result = true; - - EquableValue[] expectedPieces = evaluation.expectedValue.proxyValue.toArray; - EquableValue[] testData = evaluation.currentValue.proxyValue.toArray; - - if(testData.length == expectedPieces.length) { - foreach(index, testedValue; testData) { - if(testedValue !is null && !testedValue.isEqualTo(expectedPieces[index])) { - result = false; - break; - } - } - } else { - result = false; - } - - if(evaluation.isNegated) { - result = !result; - } - - if(result) { - return []; - } - - IResult[] results = []; - - if(evaluation.isNegated) { - try results ~= new ExpectedActualResult("not " ~ evaluation.expectedValue.strValue, evaluation.currentValue.strValue); catch(Exception) {} - } else { - try results ~= new DiffResult(evaluation.expectedValue.strValue, evaluation.currentValue.strValue); catch(Exception) {} - try results ~= new ExpectedActualResult(evaluation.expectedValue.strValue, evaluation.currentValue.strValue); catch(Exception) {} - } - - return results; -} diff --git a/source/fluentasserts/core/operations/beNull.d b/source/fluentasserts/core/operations/beNull.d deleted file mode 100644 index 8b07ead2..00000000 --- a/source/fluentasserts/core/operations/beNull.d +++ /dev/null @@ -1,33 +0,0 @@ -module fluentasserts.core.operations.beNull; - -import fluentasserts.core.results; -import fluentasserts.core.evaluation; - -import fluentasserts.core.lifecycle; -import std.algorithm; - -static immutable beNullDescription = "Asserts that the value is null."; - -/// -IResult[] beNull(ref Evaluation evaluation) @safe nothrow { - evaluation.message.addText("."); - - auto result = evaluation.currentValue.typeNames.canFind("null") || evaluation.currentValue.strValue == "null"; - - if(evaluation.isNegated) { - result = !result; - } - - if(result) { - return []; - } - - IResult[] results = []; - - try results ~= new ExpectedActualResult( - evaluation.isNegated ? "not null" : "null", - evaluation.currentValue.typeNames.length ? evaluation.currentValue.typeNames[0] : "unknown"); - catch(Exception) {} - - return results; -} diff --git a/source/fluentasserts/core/operations/between.d b/source/fluentasserts/core/operations/between.d deleted file mode 100644 index 76432ce4..00000000 --- a/source/fluentasserts/core/operations/between.d +++ /dev/null @@ -1,129 +0,0 @@ -module fluentasserts.core.operations.between; - -import fluentasserts.core.results; -import fluentasserts.core.evaluation; - -import fluentasserts.core.lifecycle; - -import std.conv; -import std.datetime; - -version(unittest) { - import fluentasserts.core.expect; -} - -static immutable betweenDescription = "Asserts that the target is a number or a date greater than or equal to the given number or date start, " ~ - "and less than or equal to the given number or date finish respectively. However, it's often best to assert that the target is equal to its expected value."; - -/// -IResult[] between(T)(ref Evaluation evaluation) @safe nothrow { - evaluation.message.addText(" and "); - evaluation.message.addValue(evaluation.expectedValue.meta["1"]); - evaluation.message.addText(". "); - - T currentValue; - T limit1; - T limit2; - - try { - currentValue = evaluation.currentValue.strValue.to!T; - limit1 = evaluation.expectedValue.strValue.to!T; - limit2 = evaluation.expectedValue.meta["1"].to!T; - } catch(Exception e) { - return [ new MessageResult("Can't convert the values to " ~ T.stringof) ]; - } - - return betweenResults(currentValue, limit1, limit2, evaluation); -} - - -/// -IResult[] betweenDuration(ref Evaluation evaluation) @safe nothrow { - evaluation.message.addText(" and "); - - Duration currentValue; - Duration limit1; - Duration limit2; - - try { - currentValue = dur!"nsecs"(evaluation.currentValue.strValue.to!size_t); - limit1 = dur!"nsecs"(evaluation.expectedValue.strValue.to!size_t); - limit2 = dur!"nsecs"(evaluation.expectedValue.meta["1"].to!size_t); - - evaluation.message.addValue(limit2.to!string); - } catch(Exception e) { - return [ new MessageResult("Can't convert the values to Duration") ]; - } - - evaluation.message.addText(". "); - - return betweenResults(currentValue, limit1, limit2, evaluation); -} - -/// -IResult[] betweenSysTime(ref Evaluation evaluation) @safe nothrow { - evaluation.message.addText(" and "); - - SysTime currentValue; - SysTime limit1; - SysTime limit2; - - try { - currentValue = SysTime.fromISOExtString(evaluation.currentValue.strValue); - limit1 = SysTime.fromISOExtString(evaluation.expectedValue.strValue); - limit2 = SysTime.fromISOExtString(evaluation.expectedValue.meta["1"]); - - evaluation.message.addValue(limit2.toISOExtString); - } catch(Exception e) { - return [ new MessageResult("Can't convert the values to Duration") ]; - } - - evaluation.message.addText(". "); - - return betweenResults(currentValue, limit1, limit2, evaluation); -} - -private IResult[] betweenResults(T)(T currentValue, T limit1, T limit2, ref Evaluation evaluation) { - T min = limit1 < limit2 ? limit1 : limit2; - T max = limit1 > limit2 ? limit1 : limit2; - - auto isLess = currentValue <= min; - auto isGreater = currentValue >= max; - auto isBetween = !isLess && !isGreater; - - string interval; - - try { - interval = "a value " ~ (evaluation.isNegated ? "outside" : "inside") ~ " (" ~ min.to!string ~ ", " ~ max.to!string ~ ") interval"; - } catch(Exception) { - interval = "a value " ~ (evaluation.isNegated ? "outside" : "inside") ~ " the interval"; - } - - IResult[] results = []; - - if(!evaluation.isNegated) { - if(!isBetween) { - evaluation.message.addValue(evaluation.currentValue.niceValue); - - if(isGreater) { - evaluation.message.addText(" is greater than or equal to "); - try evaluation.message.addValue(max.to!string); - catch(Exception) {} - } - - if(isLess) { - evaluation.message.addText(" is less than or equal to "); - try evaluation.message.addValue(min.to!string); - catch(Exception) {} - } - - evaluation.message.addText("."); - - results ~= new ExpectedActualResult(interval, evaluation.currentValue.niceValue); - } - } else if(isBetween) { - results ~= new ExpectedActualResult(interval, evaluation.currentValue.niceValue); - } - - return results; -} diff --git a/source/fluentasserts/core/operations/contain.d b/source/fluentasserts/core/operations/contain.d deleted file mode 100644 index cb9fc774..00000000 --- a/source/fluentasserts/core/operations/contain.d +++ /dev/null @@ -1,302 +0,0 @@ -module fluentasserts.core.operations.contain; - -import std.algorithm; -import std.array; -import std.conv; - -import fluentasserts.core.array; -import fluentasserts.core.results; -import fluentasserts.core.evaluation; -import fluentasserts.core.serializers; - -import fluentasserts.core.lifecycle; - -version(unittest) { - import fluentasserts.core.expect; -} - -static immutable containDescription = "When the tested value is a string, it asserts that the given string val is a substring of the target. \n\n" ~ - "When the tested value is an array, it asserts that the given val is inside the tested value."; - -/// -IResult[] contain(ref Evaluation evaluation) @safe nothrow { - evaluation.message.addText("."); - - IResult[] results = []; - - auto expectedPieces = evaluation.expectedValue.strValue.parseList.cleanString; - auto testData = evaluation.currentValue.strValue.cleanString; - - if(!evaluation.isNegated) { - auto missingValues = expectedPieces.filter!(a => !testData.canFind(a)).array; - - if(missingValues.length > 0) { - addLifecycleMessage(evaluation, missingValues); - try results ~= new ExpectedActualResult(createResultMessage(evaluation.expectedValue, expectedPieces), testData); - catch(Exception e) { - results ~= e.toResults; - return results; - } - } - } else { - auto presentValues = expectedPieces.filter!(a => testData.canFind(a)).array; - - if(presentValues.length > 0) { - string message = "to not contain "; - - if(presentValues.length > 1) { - message ~= "any "; - } - - message ~= evaluation.expectedValue.strValue; - - evaluation.message.addText(" "); - - if(presentValues.length == 1) { - try evaluation.message.addValue(presentValues[0]); catch(Exception e) { - evaluation.message.addText(" some value "); - } - - evaluation.message.addText(" is present in "); - } else { - try evaluation.message.addValue(presentValues.to!string); catch(Exception e) { - evaluation.message.addText(" some values "); - } - - evaluation.message.addText(" are present in "); - } - - evaluation.message.addValue(evaluation.currentValue.strValue); - evaluation.message.addText("."); - - try results ~= new ExpectedActualResult(message, testData); - catch(Exception e) { - results ~= e.toResults; - return results; - } - } - } - - return results; -} - -/// -IResult[] arrayContain(ref Evaluation evaluation) @trusted nothrow { - evaluation.message.addText("."); - - IResult[] results = []; - - auto expectedPieces = evaluation.expectedValue.proxyValue.toArray; - auto testData = evaluation.currentValue.proxyValue.toArray; - - if(!evaluation.isNegated) { - auto missingValues = expectedPieces.filter!(a => testData.filter!(b => b.isEqualTo(a)).empty).array; - - if(missingValues.length > 0) { - addLifecycleMessage(evaluation, missingValues); - try results ~= new ExpectedActualResult(createResultMessage(evaluation.expectedValue, expectedPieces), evaluation.currentValue.strValue); - catch(Exception e) { - results ~= e.toResults; - return results; - } - } - } else { - auto presentValues = expectedPieces.filter!(a => !testData.filter!(b => b.isEqualTo(a)).empty).array; - - if(presentValues.length > 0) { - addNegatedLifecycleMessage(evaluation, presentValues); - try results ~= new ExpectedActualResult(createNegatedResultMessage(evaluation.expectedValue, expectedPieces), evaluation.currentValue.strValue); - catch(Exception e) { - results ~= e.toResults; - return results; - } - } - } - - return results; -} - -/// -IResult[] arrayContainOnly(ref Evaluation evaluation) @safe nothrow { - evaluation.message.addText("."); - - IResult[] results = []; - - auto expectedPieces = evaluation.expectedValue.proxyValue.toArray; - auto testData = evaluation.currentValue.proxyValue.toArray; - - auto comparison = ListComparison!EquableValue(testData, expectedPieces); - - EquableValue[] missing; - EquableValue[] extra; - EquableValue[] common; - - try { - missing = comparison.missing; - extra = comparison.extra; - common = comparison.common; - } catch(Exception e) { - results ~= e.toResults; - - return results; - } - - string strExtra = ""; - string strMissing = ""; - - if(extra.length > 0) { - strExtra = extra.niceJoin(evaluation.currentValue.typeName); - } - - if(missing.length > 0) { - strMissing = missing.niceJoin(evaluation.currentValue.typeName); - } - - if(!evaluation.isNegated) { - auto isSuccess = missing.length == 0 && extra.length == 0 && common.length == testData.length; - - if(!isSuccess) { - try results ~= new ExpectedActualResult("", testData.niceJoin(evaluation.currentValue.typeName)); - catch(Exception e) { - results ~= e.toResults; - return results; - } - - try results ~= new ExtraMissingResult(strExtra, strMissing); - catch(Exception e) { - results ~= e.toResults; - return results; - } - } - } else { - auto isSuccess = (missing.length != 0 || extra.length != 0) || common.length != testData.length; - - if(!isSuccess) { - try results ~= new ExpectedActualResult("to not contain " ~ expectedPieces.niceJoin(evaluation.currentValue.typeName), testData.niceJoin(evaluation.currentValue.typeName)); - catch(Exception e) { - results ~= e.toResults; - return results; - } - } - } - - return results; -} - -/// -void addLifecycleMessage(ref Evaluation evaluation, string[] missingValues) @safe nothrow { - evaluation.message.addText(" "); - - if(missingValues.length == 1) { - try evaluation.message.addValue(missingValues[0]); catch(Exception) { - evaluation.message.addText(" some value "); - } - - evaluation.message.addText(" is missing from "); - } else { - try { - evaluation.message.addValue(missingValues.niceJoin(evaluation.currentValue.typeName)); - } catch(Exception) { - evaluation.message.addText(" some values "); - } - - evaluation.message.addText(" are missing from "); - } - - evaluation.message.addValue(evaluation.currentValue.strValue); - evaluation.message.addText("."); -} - -/// -void addLifecycleMessage(ref Evaluation evaluation, EquableValue[] missingValues) @safe nothrow { - auto missing = missingValues.map!(a => a.getSerialized.cleanString).array; - - addLifecycleMessage(evaluation, missing); -} - -/// -void addNegatedLifecycleMessage(ref Evaluation evaluation, string[] presentValues) @safe nothrow { - evaluation.message.addText(" "); - - if(presentValues.length == 1) { - try evaluation.message.addValue(presentValues[0]); catch(Exception e) { - evaluation.message.addText(" some value "); - } - - evaluation.message.addText(" is present in "); - } else { - try evaluation.message.addValue(presentValues.niceJoin(evaluation.currentValue.typeName)); - catch(Exception e) { - evaluation.message.addText(" some values "); - } - - evaluation.message.addText(" are present in "); - } - - evaluation.message.addValue(evaluation.currentValue.strValue); - evaluation.message.addText("."); -} - -/// -void addNegatedLifecycleMessage(ref Evaluation evaluation, EquableValue[] missingValues) @safe nothrow { - auto missing = missingValues.map!(a => a.getSerialized).array; - - addNegatedLifecycleMessage(evaluation, missing); -} - -string createResultMessage(ValueEvaluation expectedValue, string[] expectedPieces) @safe nothrow { - string message = "to contain "; - - if(expectedPieces.length > 1) { - message ~= "all "; - } - - message ~= expectedValue.strValue; - - return message; -} - -/// -string createResultMessage(ValueEvaluation expectedValue, EquableValue[] missingValues) @safe nothrow { - auto missing = missingValues.map!(a => a.getSerialized).array; - - return createResultMessage(expectedValue, missing); -} - -string createNegatedResultMessage(ValueEvaluation expectedValue, string[] expectedPieces) @safe nothrow { - string message = "to not contain "; - - if(expectedPieces.length > 1) { - message ~= "any "; - } - - message ~= expectedValue.strValue; - - return message; -} - -/// -string createNegatedResultMessage(ValueEvaluation expectedValue, EquableValue[] missingValues) @safe nothrow { - auto missing = missingValues.map!(a => a.getSerialized).array; - - return createNegatedResultMessage(expectedValue, missing); -} - -string niceJoin(string[] values, string typeName = "") @safe nothrow { - string result = ""; - - try { - result = values.to!string; - - if(!typeName.canFind("string")) { - result = result.replace(`"`, ""); - } - } catch(Exception) {} - - return result; -} - -string niceJoin(EquableValue[] values, string typeName = "") @safe nothrow { - return values.map!(a => a.getSerialized.cleanString).array.niceJoin(typeName); -} - diff --git a/source/fluentasserts/core/operations/endWith.d b/source/fluentasserts/core/operations/endWith.d deleted file mode 100644 index bb31f05e..00000000 --- a/source/fluentasserts/core/operations/endWith.d +++ /dev/null @@ -1,58 +0,0 @@ -module fluentasserts.core.operations.endWith; - -import std.string; - -import fluentasserts.core.results; -import fluentasserts.core.evaluation; -import fluentasserts.core.serializers; - -import fluentasserts.core.lifecycle; - -version(unittest) { - import fluentasserts.core.expect; -} - -static immutable endWithDescription = "Tests that the tested string ends with the expected value."; - -/// -IResult[] endWith(ref Evaluation evaluation) @safe nothrow { - evaluation.message.addText("."); - - IResult[] results = []; - auto current = evaluation.currentValue.strValue.cleanString; - auto expected = evaluation.expectedValue.strValue.cleanString; - - long index = -1; - - try { - index = current.lastIndexOf(expected); - } catch(Exception) { } - - auto doesEndWith = index >= 0 && index == current.length - expected.length; - - if(evaluation.isNegated) { - if(doesEndWith) { - evaluation.message.addText(" "); - evaluation.message.addValue(evaluation.currentValue.strValue); - evaluation.message.addText(" ends with "); - evaluation.message.addValue(evaluation.expectedValue.strValue); - evaluation.message.addText("."); - - try results ~= new ExpectedActualResult("to not end with " ~ evaluation.expectedValue.strValue, evaluation.currentValue.strValue); - catch(Exception e) {} - } - } else { - if(!doesEndWith) { - evaluation.message.addText(" "); - evaluation.message.addValue(evaluation.currentValue.strValue); - evaluation.message.addText(" does not end with "); - evaluation.message.addValue(evaluation.expectedValue.strValue); - evaluation.message.addText("."); - - try results ~= new ExpectedActualResult("to end with " ~ evaluation.expectedValue.strValue, evaluation.currentValue.strValue); - catch(Exception e) {} - } - } - - return results; -} diff --git a/source/fluentasserts/core/operations/equal.d b/source/fluentasserts/core/operations/equal.d deleted file mode 100644 index 979092e9..00000000 --- a/source/fluentasserts/core/operations/equal.d +++ /dev/null @@ -1,61 +0,0 @@ -module fluentasserts.core.operations.equal; - -import fluentasserts.core.results; -import fluentasserts.core.evaluation; - -import fluentasserts.core.lifecycle; -import fluentasserts.core.message; - -version(unittest) { - import fluentasserts.core.expect; -} - -static immutable equalDescription = "Asserts that the target is strictly == equal to the given val."; - -static immutable isEqualTo = Message(Message.Type.info, " is equal to "); -static immutable isNotEqualTo = Message(Message.Type.info, " is not equal to "); -static immutable endSentence = Message(Message.Type.info, ". "); - -/// -IResult[] equal(ref Evaluation evaluation) @safe nothrow { - EvaluationResult evaluationResult; - - evaluation.message.add(endSentence); - - bool result = evaluation.currentValue.strValue == evaluation.expectedValue.strValue; - - if(!result && evaluation.currentValue.proxyValue !is null && evaluation.expectedValue.proxyValue !is null) { - result = evaluation.currentValue.proxyValue.isEqualTo(evaluation.expectedValue.proxyValue); - } - - if(evaluation.isNegated) { - result = !result; - } - - if(result) { - return []; - } - - IResult[] results = []; - - if(evaluation.currentValue.typeName != "bool") { - evaluation.message.add(Message(Message.Type.value, evaluation.currentValue.strValue)); - - if(evaluation.isNegated) { - evaluation.message.add(isEqualTo); - } else { - evaluation.message.add(isNotEqualTo); - } - - evaluation.message.add(Message(Message.Type.value, evaluation.expectedValue.strValue)); - evaluation.message.add(endSentence); - - evaluationResult.addDiff(evaluation.expectedValue.strValue, evaluation.currentValue.strValue); - try results ~= new DiffResult(evaluation.expectedValue.strValue, evaluation.currentValue.strValue); catch(Exception) {} - } - - evaluationResult.addExpected(evaluation.isNegated, evaluation.expectedValue.strValue); - evaluationResult.addResult(evaluation.currentValue.strValue); - - return evaluationResult.toException; -} diff --git a/source/fluentasserts/core/operations/greaterOrEqualTo.d b/source/fluentasserts/core/operations/greaterOrEqualTo.d deleted file mode 100644 index dfbff1f2..00000000 --- a/source/fluentasserts/core/operations/greaterOrEqualTo.d +++ /dev/null @@ -1,105 +0,0 @@ -module fluentasserts.core.operations.greaterOrEqualTo; - -import fluentasserts.core.results; -import fluentasserts.core.evaluation; - -import fluentasserts.core.lifecycle; - -import std.conv; -import std.datetime; - -version(unittest) { - import fluentasserts.core.expect; -} - -static immutable greaterOrEqualToDescription = "Asserts that the tested value is greater or equal than the tested value. However, it's often best to assert that the target is equal to its expected value."; - -/// -IResult[] greaterOrEqualTo(T)(ref Evaluation evaluation) @safe nothrow { - evaluation.message.addText("."); - - T expectedValue; - T currentValue; - - try { - expectedValue = evaluation.expectedValue.strValue.to!T; - currentValue = evaluation.currentValue.strValue.to!T; - } catch(Exception e) { - return [ new MessageResult("Can't convert the values to " ~ T.stringof) ]; - } - - auto result = currentValue >= expectedValue; - - return greaterOrEqualToResults(result, evaluation.expectedValue.strValue, evaluation.currentValue.strValue, evaluation); -} - -IResult[] greaterOrEqualToDuration(ref Evaluation evaluation) @safe nothrow { - evaluation.message.addText("."); - - Duration expectedValue; - Duration currentValue; - string niceExpectedValue; - string niceCurrentValue; - - try { - expectedValue = dur!"nsecs"(evaluation.expectedValue.strValue.to!size_t); - currentValue = dur!"nsecs"(evaluation.currentValue.strValue.to!size_t); - - niceExpectedValue = expectedValue.to!string; - niceCurrentValue = currentValue.to!string; - } catch(Exception e) { - return [ new MessageResult("Can't convert the values to Duration") ]; - } - - auto result = currentValue >= expectedValue; - - return greaterOrEqualToResults(result, niceExpectedValue, niceCurrentValue, evaluation); -} - -IResult[] greaterOrEqualToSysTime(ref Evaluation evaluation) @safe nothrow { - evaluation.message.addText("."); - - SysTime expectedValue; - SysTime currentValue; - string niceExpectedValue; - string niceCurrentValue; - - try { - expectedValue = SysTime.fromISOExtString(evaluation.expectedValue.strValue); - currentValue = SysTime.fromISOExtString(evaluation.currentValue.strValue); - } catch(Exception e) { - return [ new MessageResult("Can't convert the values to SysTime") ]; - } - - auto result = currentValue >= expectedValue; - - return greaterOrEqualToResults(result, evaluation.expectedValue.strValue, evaluation.currentValue.strValue, evaluation); -} - -private IResult[] greaterOrEqualToResults(bool result, string niceExpectedValue, string niceCurrentValue, ref Evaluation evaluation) @safe nothrow { - if(evaluation.isNegated) { - result = !result; - } - - if(result) { - return []; - } - - evaluation.message.addText(" "); - evaluation.message.addValue(evaluation.currentValue.niceValue); - - IResult[] results = []; - - if(evaluation.isNegated) { - evaluation.message.addText(" is greater or equal than "); - results ~= new ExpectedActualResult("less than " ~ niceExpectedValue, niceCurrentValue); - } else { - evaluation.message.addText(" is less than "); - results ~= new ExpectedActualResult("greater or equal than " ~ niceExpectedValue, niceCurrentValue); - } - - evaluation.message.addValue(niceExpectedValue); - evaluation.message.addText("."); - - return results; -} diff --git a/source/fluentasserts/core/operations/greaterThan.d b/source/fluentasserts/core/operations/greaterThan.d deleted file mode 100644 index 1fb035a6..00000000 --- a/source/fluentasserts/core/operations/greaterThan.d +++ /dev/null @@ -1,107 +0,0 @@ -module fluentasserts.core.operations.greaterThan; - -import fluentasserts.core.results; -import fluentasserts.core.evaluation; - -import fluentasserts.core.lifecycle; - -import std.conv; -import std.datetime; - -version(unittest) { - import fluentasserts.core.expect; -} - -static immutable greaterThanDescription = "Asserts that the tested value is greater than the tested value. However, it's often best to assert that the target is equal to its expected value."; - -/// -IResult[] greaterThan(T)(ref Evaluation evaluation) @safe nothrow { - evaluation.message.addText("."); - - T expectedValue; - T currentValue; - - try { - expectedValue = evaluation.expectedValue.strValue.to!T; - currentValue = evaluation.currentValue.strValue.to!T; - } catch(Exception e) { - return [ new MessageResult("Can't convert the values to " ~ T.stringof) ]; - } - - auto result = currentValue > expectedValue; - - return greaterThanResults(result, evaluation.expectedValue.strValue, evaluation.currentValue.strValue, evaluation); -} - -/// -IResult[] greaterThanDuration(ref Evaluation evaluation) @safe nothrow { - evaluation.message.addText("."); - - Duration expectedValue; - Duration currentValue; - string niceExpectedValue; - string niceCurrentValue; - - try { - expectedValue = dur!"nsecs"(evaluation.expectedValue.strValue.to!size_t); - currentValue = dur!"nsecs"(evaluation.currentValue.strValue.to!size_t); - - niceExpectedValue = expectedValue.to!string; - niceCurrentValue = currentValue.to!string; - } catch(Exception e) { - return [ new MessageResult("Can't convert the values to Duration") ]; - } - - auto result = currentValue > expectedValue; - - return greaterThanResults(result, niceExpectedValue, niceCurrentValue, evaluation); -} - -/// -IResult[] greaterThanSysTime(ref Evaluation evaluation) @safe nothrow { - evaluation.message.addText("."); - - SysTime expectedValue; - SysTime currentValue; - string niceExpectedValue; - string niceCurrentValue; - - try { - expectedValue = SysTime.fromISOExtString(evaluation.expectedValue.strValue); - currentValue = SysTime.fromISOExtString(evaluation.currentValue.strValue); - } catch(Exception e) { - return [ new MessageResult("Can't convert the values to SysTime") ]; - } - - auto result = currentValue > expectedValue; - - return greaterThanResults(result, evaluation.expectedValue.strValue, evaluation.currentValue.strValue, evaluation); -} - -private IResult[] greaterThanResults(bool result, string niceExpectedValue, string niceCurrentValue, ref Evaluation evaluation) @safe nothrow { - if(evaluation.isNegated) { - result = !result; - } - - if(result) { - return []; - } - - evaluation.message.addText(" "); - evaluation.message.addValue(evaluation.currentValue.niceValue); - - IResult[] results = []; - - if(evaluation.isNegated) { - evaluation.message.addText(" is greater than "); - results ~= new ExpectedActualResult("less than or equal to " ~ niceExpectedValue, niceCurrentValue); - } else { - evaluation.message.addText(" is less than or equal to "); - results ~= new ExpectedActualResult("greater than " ~ niceExpectedValue, niceCurrentValue); - } - - evaluation.message.addValue(niceExpectedValue); - evaluation.message.addText("."); - - return results; -} diff --git a/source/fluentasserts/core/operations/instanceOf.d b/source/fluentasserts/core/operations/instanceOf.d deleted file mode 100644 index 58f27e66..00000000 --- a/source/fluentasserts/core/operations/instanceOf.d +++ /dev/null @@ -1,53 +0,0 @@ -module fluentasserts.core.operations.instanceOf; - -import fluentasserts.core.results; -import fluentasserts.core.evaluation; - -import fluentasserts.core.lifecycle; - -import std.conv; -import std.datetime; -import std.algorithm; - -version(unittest) { - import fluentasserts.core.expect; -} - -static immutable instanceOfDescription = "Asserts that the tested value is related to a type."; - -/// -IResult[] instanceOf(ref Evaluation evaluation) @safe nothrow { - string expectedType = evaluation.expectedValue.strValue[1 .. $-1]; - string currentType = evaluation.currentValue.typeNames[0]; - - evaluation.message.addText(". "); - - auto existingTypes = findAmong(evaluation.currentValue.typeNames, [expectedType]); - - import std.stdio; - - auto isExpected = existingTypes.length > 0; - - if(evaluation.isNegated) { - isExpected = !isExpected; - } - - IResult[] results = []; - - if(!isExpected) { - evaluation.message.addValue(evaluation.currentValue.strValue); - evaluation.message.addText(" is instance of "); - evaluation.message.addValue(currentType); - evaluation.message.addText("."); - } - - if(!isExpected && !evaluation.isNegated) { - try results ~= new ExpectedActualResult("typeof " ~ expectedType, "typeof " ~ currentType); catch(Exception) {} - } - - if(!isExpected && evaluation.isNegated) { - try results ~= new ExpectedActualResult("not typeof " ~ expectedType, "typeof " ~ currentType); catch(Exception) {} - } - - return results; -} \ No newline at end of file diff --git a/source/fluentasserts/core/operations/lessOrEqualTo.d b/source/fluentasserts/core/operations/lessOrEqualTo.d deleted file mode 100644 index daecca0c..00000000 --- a/source/fluentasserts/core/operations/lessOrEqualTo.d +++ /dev/null @@ -1,58 +0,0 @@ -module fluentasserts.core.operations.lessOrEqualTo; - -import fluentasserts.core.results; -import fluentasserts.core.evaluation; - -import fluentasserts.core.lifecycle; - -import std.conv; -import std.datetime; - -version(unittest) { - import fluentasserts.core.expect; -} - -static immutable lessOrEqualToDescription = "Asserts that the tested value is less or equal than the tested value. However, it's often best to assert that the target is equal to its expected value."; - -/// -IResult[] lessOrEqualTo(T)(ref Evaluation evaluation) @safe nothrow { - evaluation.message.addText("."); - - T expectedValue; - T currentValue; - - try { - expectedValue = evaluation.expectedValue.strValue.to!T; - currentValue = evaluation.currentValue.strValue.to!T; - } catch(Exception e) { - return [ new MessageResult("Can't convert the values to " ~ T.stringof) ]; - } - - auto result = currentValue <= expectedValue; - - if(evaluation.isNegated) { - result = !result; - } - - if(result) { - return []; - } - - evaluation.message.addText(" "); - evaluation.message.addValue(evaluation.currentValue.niceValue); - - IResult[] results = []; - - if(evaluation.isNegated) { - evaluation.message.addText(" is less or equal to "); - results ~= new ExpectedActualResult("greater than " ~ evaluation.expectedValue.niceValue, evaluation.currentValue.niceValue); - } else { - evaluation.message.addText(" is greater than "); - results ~= new ExpectedActualResult("less or equal to " ~ evaluation.expectedValue.niceValue, evaluation.currentValue.niceValue); - } - - evaluation.message.addValue(evaluation.expectedValue.niceValue); - evaluation.message.addText("."); - - return results; -} diff --git a/source/fluentasserts/core/operations/lessThan.d b/source/fluentasserts/core/operations/lessThan.d deleted file mode 100644 index 5a2fe56d..00000000 --- a/source/fluentasserts/core/operations/lessThan.d +++ /dev/null @@ -1,173 +0,0 @@ -module fluentasserts.core.operations.lessThan; - -import fluentasserts.core.results; -import fluentasserts.core.evaluation; - -import fluentasserts.core.lifecycle; - -import std.conv; -import std.datetime; - -version(unittest) { - import fluentasserts.core.expect; - import fluentasserts.core.base : should, TestException; -} - -static immutable lessThanDescription = "Asserts that the tested value is less than the tested value. However, it's often best to assert that the target is equal to its expected value."; - -/// -IResult[] lessThan(T)(ref Evaluation evaluation) @safe nothrow { - evaluation.message.addText("."); - - T expectedValue; - T currentValue; - - try { - expectedValue = evaluation.expectedValue.strValue.to!T; - currentValue = evaluation.currentValue.strValue.to!T; - } catch(Exception e) { - return [ new MessageResult("Can't convert the values to " ~ T.stringof) ]; - } - - auto result = currentValue < expectedValue; - - return lessThanResults(result, evaluation.expectedValue.strValue, evaluation.currentValue.strValue, evaluation); -} - -/// -IResult[] lessThanDuration(ref Evaluation evaluation) @safe nothrow { - evaluation.message.addText("."); - - Duration expectedValue; - Duration currentValue; - string niceExpectedValue; - string niceCurrentValue; - - try { - expectedValue = dur!"nsecs"(evaluation.expectedValue.strValue.to!size_t); - currentValue = dur!"nsecs"(evaluation.currentValue.strValue.to!size_t); - - niceExpectedValue = expectedValue.to!string; - niceCurrentValue = currentValue.to!string; - } catch(Exception e) { - return [ new MessageResult("Can't convert the values to Duration") ]; - } - - auto result = currentValue < expectedValue; - - return lessThanResults(result, niceExpectedValue, niceCurrentValue, evaluation); -} - -/// -IResult[] lessThanSysTime(ref Evaluation evaluation) @safe nothrow { - evaluation.message.addText("."); - - SysTime expectedValue; - SysTime currentValue; - string niceExpectedValue; - string niceCurrentValue; - - try { - expectedValue = SysTime.fromISOExtString(evaluation.expectedValue.strValue); - currentValue = SysTime.fromISOExtString(evaluation.currentValue.strValue); - } catch(Exception e) { - return [ new MessageResult("Can't convert the values to SysTime") ]; - } - - auto result = currentValue < expectedValue; - - return lessThanResults(result, evaluation.expectedValue.strValue, evaluation.currentValue.strValue, evaluation); -} - -/// Generic lessThan using proxy values - works for any comparable type -IResult[] lessThanGeneric(ref Evaluation evaluation) @safe nothrow { - evaluation.message.addText("."); - - bool result = false; - - if (evaluation.currentValue.proxyValue !is null && evaluation.expectedValue.proxyValue !is null) { - result = evaluation.currentValue.proxyValue.isLessThan(evaluation.expectedValue.proxyValue); - } - - return lessThanResults(result, evaluation.expectedValue.strValue, evaluation.currentValue.strValue, evaluation); -} - -private IResult[] lessThanResults(bool result, string niceExpectedValue, string niceCurrentValue, ref Evaluation evaluation) @safe nothrow { - if(evaluation.isNegated) { - result = !result; - } - - if(result) { - return []; - } - - evaluation.message.addText(" "); - evaluation.message.addValue(evaluation.currentValue.niceValue); - - IResult[] results = []; - - if(evaluation.isNegated) { - evaluation.message.addText(" is less than "); - results ~= new ExpectedActualResult("greater than or equal to " ~ niceExpectedValue, niceCurrentValue); - } else { - evaluation.message.addText(" is greater than or equal to "); - results ~= new ExpectedActualResult("less than " ~ niceExpectedValue, niceCurrentValue); - } - - evaluation.message.addValue(niceExpectedValue); - evaluation.message.addText("."); - - return results; -} - -@("lessThan passes when current value is less than expected") -unittest { - 5.should.be.lessThan(6); -} - -@("lessThan fails when current value is greater than expected") -unittest { - ({ - 5.should.be.lessThan(4); - }).should.throwException!TestException; -} - -@("lessThan fails when values are equal") -unittest { - ({ - 5.should.be.lessThan(5); - }).should.throwException!TestException; -} - -@("lessThan works with negation") -unittest { - 5.should.not.be.lessThan(4); - 5.should.not.be.lessThan(5); -} - -@("lessThan works with floating point") -unittest { - 3.14.should.be.lessThan(3.15); - 3.15.should.not.be.lessThan(3.14); -} - -@("lessThan works with custom comparable struct") -unittest { - static struct Money { - int cents; - int opCmp(Money other) const @safe nothrow { - return cents - other.cents; - } - } - - Money(100).should.be.lessThan(Money(200)); - Money(200).should.not.be.lessThan(Money(100)); - Money(100).should.not.be.lessThan(Money(100)); -} - -@("below is alias for lessThan") -unittest { - 5.should.be.below(6); - 5.should.not.be.below(4); -} - diff --git a/source/fluentasserts/core/operations/startWith.d b/source/fluentasserts/core/operations/startWith.d deleted file mode 100644 index 58108657..00000000 --- a/source/fluentasserts/core/operations/startWith.d +++ /dev/null @@ -1,51 +0,0 @@ -module fluentasserts.core.operations.startWith; - -import std.string; - -import fluentasserts.core.results; -import fluentasserts.core.evaluation; -import fluentasserts.core.serializers; - -import fluentasserts.core.lifecycle; - -version(unittest) { - import fluentasserts.core.expect; -} - -static immutable startWithDescription = "Tests that the tested string starts with the expected value."; - -/// -IResult[] startWith(ref Evaluation evaluation) @safe nothrow { - evaluation.message.addText("."); - - IResult[] results = []; - - auto index = evaluation.currentValue.strValue.cleanString.indexOf(evaluation.expectedValue.strValue.cleanString); - auto doesStartWith = index == 0; - - if(evaluation.isNegated) { - if(doesStartWith) { - evaluation.message.addText(" "); - evaluation.message.addValue(evaluation.currentValue.strValue); - evaluation.message.addText(" starts with "); - evaluation.message.addValue(evaluation.expectedValue.strValue); - evaluation.message.addText("."); - - try results ~= new ExpectedActualResult("to not start with " ~ evaluation.expectedValue.strValue, evaluation.currentValue.strValue); - catch(Exception e) {} - } - } else { - if(!doesStartWith) { - evaluation.message.addText(" "); - evaluation.message.addValue(evaluation.currentValue.strValue); - evaluation.message.addText(" does not start with "); - evaluation.message.addValue(evaluation.expectedValue.strValue); - evaluation.message.addText("."); - - try results ~= new ExpectedActualResult("to start with " ~ evaluation.expectedValue.strValue, evaluation.currentValue.strValue); - catch(Exception e) {} - } - } - - return results; -} diff --git a/source/fluentasserts/core/operations/throwable.d b/source/fluentasserts/core/operations/throwable.d deleted file mode 100644 index 8bb12277..00000000 --- a/source/fluentasserts/core/operations/throwable.d +++ /dev/null @@ -1,492 +0,0 @@ -module fluentasserts.core.operations.throwable; - -public import fluentasserts.core.base; -import fluentasserts.core.results; -import fluentasserts.core.lifecycle; -import fluentasserts.core.expect; -import fluentasserts.core.serializers; - -import std.string; -import std.conv; -import std.algorithm; -import std.array; - -static immutable throwAnyDescription = "Tests that the tested callable throws an exception."; - -version(unittest) { - class CustomException : Exception { - this(string msg, string fileName = "", size_t line = 0, Throwable next = null) { - super(msg, fileName, line, next); - } - } -} - -/// -IResult[] throwAnyException(ref Evaluation evaluation) @trusted nothrow { - IResult[] results; - - evaluation.message.addText(". "); - auto thrown = evaluation.currentValue.throwable; - - if(evaluation.currentValue.throwable && evaluation.isNegated) { - string message; - try message = thrown.message.to!string; catch(Exception) {} - - evaluation.message.addText("`"); - evaluation.message.addValue(thrown.classinfo.name); - evaluation.message.addText("` saying `"); - evaluation.message.addValue(message); - evaluation.message.addText("` was thrown."); - - try results ~= new ExpectedActualResult("No exception to be thrown", "`" ~ thrown.classinfo.name ~ "` saying `" ~ message ~ "`"); catch(Exception) {} - } - - if(!thrown && !evaluation.isNegated) { - evaluation.message.addText("No exception was thrown."); - - try results ~= new ExpectedActualResult("Any exception to be thrown", "Nothing was thrown"); catch(Exception) {} - } - - if(thrown && !evaluation.isNegated && "Throwable" in evaluation.currentValue.meta) { - string message; - try message = thrown.message.to!string; catch(Exception) {} - - evaluation.message.addText("A `Throwable` saying `" ~ message ~ "` was thrown."); - - try results ~= new ExpectedActualResult("Any exception to be thrown", "A `Throwable` with message `" ~ message ~ "` was thrown"); catch(Exception) {} - } - - evaluation.throwable = thrown; - evaluation.currentValue.throwable = null; - - return results; -} - -@("it is successful when the function does not throw") -unittest { - void test() {} - expect({ test(); }).to.not.throwAnyException(); -} - -@("it fails when an exception is thrown and none is expected") -unittest { - void test() { throw new Exception("Test exception"); } - - bool thrown; - - try { - expect({ test(); }).to.not.throwAnyException(); - } catch(TestException e) { - thrown = true; - - assert(e.message.indexOf("should not throw any exception. `object.Exception` saying `Test exception` was thrown.") != -1); - assert(e.message.indexOf("\n Expected:No exception to be thrown\n") != -1); - assert(e.message.indexOf("\n Actual:`object.Exception` saying `Test exception`\n") != -1); - } - - assert(thrown, "The exception was not thrown"); -} - -@("it is successful when the function throws an expected exception") -unittest { - void test() { throw new Exception("test"); } - expect({ test(); }).to.throwAnyException; -} - -@("it fails when the function throws a Throwable and an Exception is expected") -unittest { - void test() { assert(false); } - - bool thrown; - - try { - expect({ test(); }).to.throwAnyException; - } catch(TestException e) { - thrown = true; - - assert(e.message.indexOf("should throw any exception.") != -1, "Message was: " ~ e.message); - assert(e.message.indexOf("A `Throwable` saying `Assertion failure` was thrown.") != -1, "Message was: " ~ e.message); - assert(e.message.indexOf("\n Expected:Any exception to be thrown\n") != -1, "Message was: " ~ e.message); - assert(e.message.indexOf("\n Actual:A `Throwable` with message `Assertion failure` was thrown\n") != -1, "Message was: " ~ e.message); - assert(e.file == "source/fluentasserts/core/operations/throwable.d"); - } - - assert(thrown, "The exception was not thrown"); -} - -@("it is successful when the function throws any exception") -unittest { - void test() { throw new Exception("test"); } - expect({ test(); }).to.throwAnyException; -} - -IResult[] throwAnyExceptionWithMessage(ref Evaluation evaluation) @trusted nothrow { - IResult[] results; - - auto thrown = evaluation.currentValue.throwable; - - - if(thrown !is null && evaluation.isNegated) { - string message; - try message = thrown.message.to!string; catch(Exception) {} - - evaluation.message.addText("`"); - evaluation.message.addValue(thrown.classinfo.name); - evaluation.message.addText("` saying `"); - evaluation.message.addValue(message); - evaluation.message.addText("` was thrown."); - - try results ~= new ExpectedActualResult("No exception to be thrown", "`" ~ thrown.classinfo.name ~ "` saying `" ~ message ~ "`"); catch(Exception) {} - } - - if(thrown is null && !evaluation.isNegated) { - evaluation.message.addText("Nothing was thrown."); - - try results ~= new ExpectedActualResult("Any exception to be thrown", "Nothing was thrown"); catch(Exception) {} - } - - if(thrown && !evaluation.isNegated && "Throwable" in evaluation.currentValue.meta) { - string message; - try message = thrown.message.to!string; catch(Exception) {} - - evaluation.message.addText(". A `Throwable` saying `" ~ message ~ "` was thrown."); - - try results ~= new ExpectedActualResult("Any throwable with the message `" ~ message ~ "` to be thrown", "A `" ~ thrown.classinfo.name ~ "` with message `" ~ message ~ "` was thrown"); catch(Exception) {} - } - - evaluation.throwable = thrown; - evaluation.currentValue.throwable = null; - - return results; -} - -/// throwSomething - accepts any Throwable including Error/AssertError -IResult[] throwSomething(ref Evaluation evaluation) @trusted nothrow { - IResult[] results; - - evaluation.message.addText(". "); - auto thrown = evaluation.currentValue.throwable; - - if (thrown && evaluation.isNegated) { - string message; - try message = thrown.message.to!string; catch (Exception) {} - - evaluation.message.addText("`"); - evaluation.message.addValue(thrown.classinfo.name); - evaluation.message.addText("` saying `"); - evaluation.message.addValue(message); - evaluation.message.addText("` was thrown."); - - try results ~= new ExpectedActualResult("No throwable to be thrown", "`" ~ thrown.classinfo.name ~ "` saying `" ~ message ~ "`"); catch (Exception) {} - } - - if (!thrown && !evaluation.isNegated) { - evaluation.message.addText("Nothing was thrown."); - - try results ~= new ExpectedActualResult("Any throwable to be thrown", "Nothing was thrown"); catch (Exception) {} - } - - evaluation.throwable = thrown; - evaluation.currentValue.throwable = null; - - return results; -} - -/// throwSomethingWithMessage - accepts any Throwable including Error/AssertError -IResult[] throwSomethingWithMessage(ref Evaluation evaluation) @trusted nothrow { - IResult[] results; - - auto thrown = evaluation.currentValue.throwable; - - if (thrown !is null && evaluation.isNegated) { - string message; - try message = thrown.message.to!string; catch (Exception) {} - - evaluation.message.addText("`"); - evaluation.message.addValue(thrown.classinfo.name); - evaluation.message.addText("` saying `"); - evaluation.message.addValue(message); - evaluation.message.addText("` was thrown."); - - try results ~= new ExpectedActualResult("No throwable to be thrown", "`" ~ thrown.classinfo.name ~ "` saying `" ~ message ~ "`"); catch (Exception) {} - } - - if (thrown is null && !evaluation.isNegated) { - evaluation.message.addText("Nothing was thrown."); - - try results ~= new ExpectedActualResult("Any throwable to be thrown", "Nothing was thrown"); catch (Exception) {} - } - - evaluation.throwable = thrown; - evaluation.currentValue.throwable = null; - - return results; -} - -/// -IResult[] throwException(ref Evaluation evaluation) @trusted nothrow { - evaluation.message.addText("."); - - string exceptionType; - - if("exceptionType" in evaluation.expectedValue.meta) { - exceptionType = evaluation.expectedValue.meta["exceptionType"].cleanString; - } - - IResult[] results; - auto thrown = evaluation.currentValue.throwable; - - if(thrown && evaluation.isNegated && thrown.classinfo.name == exceptionType) { - string message; - try message = thrown.message.to!string; catch(Exception) {} - - evaluation.message.addText("`"); - evaluation.message.addValue(thrown.classinfo.name); - evaluation.message.addText("` saying `"); - evaluation.message.addValue(message); - evaluation.message.addText("` was thrown."); - - try results ~= new ExpectedActualResult("no `" ~ exceptionType ~ "` to be thrown", "`" ~ thrown.classinfo.name ~ "` saying `" ~ message ~ "`"); catch(Exception) {} - } - - if(thrown && !evaluation.isNegated && thrown.classinfo.name != exceptionType) { - string message; - try message = thrown.message.to!string; catch(Exception) {} - - evaluation.message.addText("`"); - evaluation.message.addValue(thrown.classinfo.name); - evaluation.message.addText("` saying `"); - evaluation.message.addValue(message); - evaluation.message.addText("` was thrown."); - - try results ~= new ExpectedActualResult(exceptionType, "`" ~ thrown.classinfo.name ~ "` saying `" ~ message ~ "`"); catch(Exception) {} - } - - if(!thrown && !evaluation.isNegated) { - evaluation.message.addText(" No exception was thrown."); - - try results ~= new ExpectedActualResult("`" ~ exceptionType ~ "` to be thrown", "Nothing was thrown"); catch(Exception) {} - } - - evaluation.throwable = thrown; - evaluation.currentValue.throwable = null; - - return results; -} - -@("catches a certain exception type") -unittest { - expect({ - throw new CustomException("test"); - }).to.throwException!CustomException; -} - -@("fails when no exception is thrown but one is expected") -unittest { - bool thrown; - - try { - ({}).should.throwException!Exception; - } catch (TestException e) { - thrown = true; - } - - assert(thrown, "The test should have failed because no exception was thrown"); -} - -@("fails when an unexpected exception is thrown") -unittest { - bool thrown; - - try { - expect({ - throw new Exception("test"); - }).to.throwException!CustomException; - } catch(TestException e) { - thrown = true; - - assert(e.message.indexOf("should throw exception \"fluentasserts.core.operations.throwable.CustomException\".`object.Exception` saying `test` was thrown.") != -1); - assert(e.message.indexOf("\n Expected:fluentasserts.core.operations.throwable.CustomException\n") != -1); - assert(e.message.indexOf("\n Actual:`object.Exception` saying `test`\n") != -1); - assert(e.file == "source/fluentasserts/core/operations/throwable.d"); - } - - assert(thrown, "The exception was not thrown"); -} - -@("does not fail when an exception is thrown and it is not expected") -unittest { - expect({ - throw new Exception("test"); - }).to.not.throwException!CustomException; -} - -@("fails when the checked exception type is thrown but not expected") -unittest { - bool thrown; - - try { - expect({ - throw new CustomException("test"); - }).to.not.throwException!CustomException; - } catch(TestException e) { - thrown = true; - assert(e.message.indexOf("should not throw exception \"fluentasserts.core.operations.throwable.CustomException\".`fluentasserts.core.operations.throwable.CustomException` saying `test` was thrown.") != -1); - assert(e.message.indexOf("\n Expected:no `fluentasserts.core.operations.throwable.CustomException` to be thrown\n") != -1); - assert(e.message.indexOf("\n Actual:`fluentasserts.core.operations.throwable.CustomException` saying `test`\n") != -1); - assert(e.file == "source/fluentasserts/core/operations/throwable.d"); - } - - assert(thrown, "The exception was not thrown"); -} - -IResult[] throwExceptionWithMessage(ref Evaluation evaluation) @trusted nothrow { - import std.stdio; - - - evaluation.message.addText(". "); - - string exceptionType; - string message; - string expectedMessage = evaluation.expectedValue.strValue; - - if(expectedMessage.startsWith(`"`)) { - expectedMessage = expectedMessage[1..$-1]; - } - - if("exceptionType" in evaluation.expectedValue.meta) { - exceptionType = evaluation.expectedValue.meta["exceptionType"].cleanString; - } - - IResult[] results; - auto thrown = evaluation.currentValue.throwable; - evaluation.throwable = thrown; - evaluation.currentValue.throwable = null; - - if(thrown) { - try message = thrown.message.to!string; catch(Exception) {} - } - - if(!thrown && !evaluation.isNegated) { - evaluation.message.addText("No exception was thrown."); - - try results ~= new ExpectedActualResult("`" ~ exceptionType ~ "` with message `" ~ expectedMessage ~ "` to be thrown", "nothing was thrown"); catch(Exception) {} - } - - if(thrown && !evaluation.isNegated && thrown.classinfo.name != exceptionType) { - evaluation.message.addText("`"); - evaluation.message.addValue(thrown.classinfo.name); - evaluation.message.addText("` saying `"); - evaluation.message.addValue(message); - evaluation.message.addText("` was thrown."); - - try results ~= new ExpectedActualResult("`" ~ exceptionType ~ "` to be thrown", "`" ~ thrown.classinfo.name ~ "` saying `" ~ message ~ "`"); catch(Exception) {} - } - - if(thrown && !evaluation.isNegated && thrown.classinfo.name == exceptionType && message != expectedMessage) { - evaluation.message.addText("`"); - evaluation.message.addValue(thrown.classinfo.name); - evaluation.message.addText("` saying `"); - evaluation.message.addValue(message); - evaluation.message.addText("` was thrown."); - - try results ~= new ExpectedActualResult("`" ~ exceptionType ~ "` saying `" ~ message ~ "` to be thrown", "`" ~ thrown.classinfo.name ~ "` saying `" ~ message ~ "`"); catch(Exception) {} - } - - return results; -} - -@("fails when an exception is not caught") -unittest { - Exception exception; - - try { - expect({}).to.throwException!Exception.withMessage.equal("test"); - } catch(Exception e) { - exception = e; - } - - assert(exception !is null); - assert(exception.message.indexOf("should throw exception") != -1); - assert(exception.message.indexOf("with message equal \"test\"") != -1); - assert(exception.message.indexOf("No exception was thrown.") != -1); -} - -@("does not fail when an exception is not expected and none is caught") -unittest { - Exception exception; - - try { - expect({}).not.to.throwException!Exception.withMessage.equal("test"); - } catch(Exception e) { - exception = e; - } - - assert(exception is null); -} - -@("fails when the caught exception has a different type") -unittest { - Exception exception; - - try { - expect({ - throw new CustomException("hello"); - }).to.throwException!Exception.withMessage.equal("test"); - } catch(Exception e) { - exception = e; - } - - assert(exception !is null); - assert(exception.message.indexOf("should throw exception") != -1); - assert(exception.message.indexOf("with message equal \"test\"") != -1); - assert(exception.message.indexOf("`fluentasserts.core.operations.throwable.CustomException` saying `hello` was thrown.") != -1); -} - -@("does not fail when a certain exception type is not caught") -unittest { - Exception exception; - - try { - expect({ - throw new CustomException("hello"); - }).not.to.throwException!Exception.withMessage.equal("test"); - } catch(Exception e) { - exception = e; - } - - assert(exception is null); -} - -@("fails when the caught exception has a different message") -unittest { - Exception exception; - - try { - expect({ - throw new CustomException("hello"); - }).to.throwException!CustomException.withMessage.equal("test"); - } catch(Exception e) { - exception = e; - } - - assert(exception !is null); - assert(exception.message.indexOf("should throw exception") != -1); - assert(exception.message.indexOf("with message equal \"test\"") != -1); - assert(exception.message.indexOf("`fluentasserts.core.operations.throwable.CustomException` saying `hello` was thrown.") != -1); -} - -@("does not fail when the caught exception is expected to have a different message") -unittest { - Exception exception; - - try { - expect({ - throw new CustomException("hello"); - }).not.to.throwException!CustomException.withMessage.equal("test"); - } catch(Exception e) { - exception = e; - } - - assert(exception is null); -} diff --git a/source/fluentasserts/core/results.d b/source/fluentasserts/core/results.d deleted file mode 100644 index ba9a550b..00000000 --- a/source/fluentasserts/core/results.d +++ /dev/null @@ -1,1632 +0,0 @@ -module fluentasserts.core.results; - -import std.stdio; -import std.file; -import std.algorithm; -import std.conv; -import std.range; -import std.string; -import std.exception; -import std.typecons; - -import dparse.lexer; -import dparse.parser; - -public import fluentasserts.core.message; - -@safe: - -/// -interface ResultPrinter { - nothrow: - void print(Message); - void primary(string); - void info(string); - void danger(string); - void success(string); - - void dangerReverse(string); - void successReverse(string); -} - -version(unittest) { - class MockPrinter : ResultPrinter { - string buffer; - - void print(Message message) { - import std.conv : to; - try { - buffer ~= "[" ~ message.type.to!string ~ ":" ~ message.text ~ "]"; - } catch(Exception) { - buffer ~= "ERROR"; - } - } - - void primary(string val) { - buffer ~= "[primary:" ~ val ~ "]"; - } - - void info(string val) { - buffer ~= "[info:" ~ val ~ "]"; - } - - void danger(string val) { - buffer ~= "[danger:" ~ val ~ "]"; - } - - void success(string val) { - buffer ~= "[success:" ~ val ~ "]"; - } - - void dangerReverse(string val) { - buffer ~= "[dangerReverse:" ~ val ~ "]"; - } - - void successReverse(string val) { - buffer ~= "[successReverse:" ~ val ~ "]"; - } - } -} - -struct WhiteIntervals { - size_t left; - size_t right; -} - -WhiteIntervals getWhiteIntervals(string text) { - auto stripText = text.strip; - - if(stripText == "") { - return WhiteIntervals(0, 0); - } - - return WhiteIntervals(text.indexOf(stripText[0]), text.lastIndexOf(stripText[stripText.length - 1])); -} - -void writeNoThrow(T)(T text) nothrow { - try { - write(text); - } catch(Exception e) { - assert(true, "Can't write to stdout!"); - } -} - -/// This is the most simple implementation of a ResultPrinter. -/// All the plain data is printed to stdout -class DefaultResultPrinter : ResultPrinter { - nothrow: - - void print(Message message) { - - } - - void primary(string text) { - writeNoThrow(text); - } - - void info(string text) { - writeNoThrow(text); - } - - void danger(string text) { - writeNoThrow(text); - } - - void success(string text) { - writeNoThrow(text); - } - - void dangerReverse(string text) { - writeNoThrow(text); - } - - void successReverse(string text) { - writeNoThrow(text); - } -} - -interface IResult { - string toString(); - void print(ResultPrinter); -} - -class EvaluationResultInstance : IResult { - - EvaluationResult result; - - this(EvaluationResult result) nothrow { - this.result = result; - } - - override string toString() nothrow { - return result.toString; - } - - void print(ResultPrinter printer) nothrow { - result.print(printer); - } -} - -/// A result that prints a simple message to the user -class MessageResult : IResult { - private { - immutable(Message)[] messages; - } - - this(string message) nothrow - { - add(false, message); - } - - this() nothrow { } - - override string toString() { - return messages.map!"a.text".join.to!string; - } - - void startWith(string message) @safe nothrow { - immutable(Message)[] newMessages; - - newMessages ~= Message(Message.Type.info, message); - newMessages ~= this.messages; - - this.messages = newMessages; - } - - void add(bool isValue, string message) nothrow { - this.messages ~= Message(isValue ? Message.Type.value : Message.Type.info, message - .replace("\r", ResultGlyphs.carriageReturn) - .replace("\n", ResultGlyphs.newline) - .replace("\0", ResultGlyphs.nullChar) - .replace("\t", ResultGlyphs.tab)); - } - - void add(Message message) nothrow { - this.messages ~= message; - } - - void addValue(string text) @safe nothrow { - add(true, text); - } - - void addText(string text) @safe nothrow { - if(text == "throwAnyException") { - text = "throw any exception"; - } - - this.messages ~= Message(Message.Type.info, text); - } - - void prependText(string text) @safe nothrow { - this.messages = Message(Message.Type.info, text) ~ this.messages; - } - - void prependValue(string text) @safe nothrow { - this.messages = Message(Message.Type.value, text) ~ this.messages; - } - - void print(ResultPrinter printer) - { - foreach(message; messages) { - if(message.type == Message.Type.value) { - printer.info(message.text); - } else { - printer.primary(message.text); - } - } - } -} - -version (unittest) { - import fluentasserts.core.base; -} - -@("Message result should return the message") -unittest -{ - auto result = new MessageResult("Message"); - result.toString.should.equal("Message"); -} - -@("Message result should replace the special chars") -unittest -{ - auto result = new MessageResult("\t \r\n"); - result.toString.should.equal(`¤ ←↲`); -} - -@("Message result should replace the special chars with the custom glyphs") -unittest -{ - scope(exit) { - ResultGlyphs.resetDefaults; - } - - ResultGlyphs.tab = `\t`; - ResultGlyphs.carriageReturn = `\r`; - ResultGlyphs.newline = `\n`; - - auto result = new MessageResult("\t \r\n"); - result.toString.should.equal(`\t \r\n`); -} - -@("Message result should return values as string") -unittest -{ - auto result = new MessageResult("text"); - result.addValue("value"); - result.addText("text"); - - result.toString.should.equal(`textvaluetext`); -} - -@("Message result should print a string as primary") -unittest -{ - auto result = new MessageResult("\t \r\n"); - auto printer = new MockPrinter; - result.print(printer); - - printer.buffer.should.equal(`[primary:¤ ←↲]`); -} - -@("Message result should print values as info") -unittest -{ - auto result = new MessageResult("text"); - result.addValue("value"); - result.addText("text"); - - auto printer = new MockPrinter; - result.print(printer); - - printer.buffer.should.equal(`[primary:text][info:value][primary:text]`); -} - -class DiffResult : IResult { - import ddmp.diff; - - protected { - string expected; - string actual; - } - - this(string expected, string actual) - { - this.expected = expected.replace("\0", ResultGlyphs.nullChar); - this.actual = actual.replace("\0", ResultGlyphs.nullChar); - } - - private string getResult(const Diff d) { - final switch(d.operation) { - case Operation.DELETE: - return ResultGlyphs.diffBegin ~ ResultGlyphs.diffDelete ~ d.text.to!string ~ ResultGlyphs.diffEnd; - case Operation.INSERT: - return ResultGlyphs.diffBegin ~ ResultGlyphs.diffInsert ~ d.text.to!string ~ ResultGlyphs.diffEnd; - case Operation.EQUAL: - return d.text.to!string; - } - } - - override string toString() @trusted { - return "Diff:\n" ~ diff_main(expected, actual).map!(a => getResult(a)).join; - } - - void print(ResultPrinter printer) @trusted { - auto result = diff_main(expected, actual); - printer.info("Diff:"); - - foreach(diff; result) { - if(diff.operation == Operation.EQUAL) { - printer.primary(diff.text.to!string); - } - - if(diff.operation == Operation.INSERT) { - printer.successReverse(diff.text.to!string); - } - - if(diff.operation == Operation.DELETE) { - printer.dangerReverse(diff.text.to!string); - } - } - - printer.primary("\n"); - } -} - -@("DiffResult finds the differences") -unittest { - auto diff = new DiffResult("abc", "asc"); - diff.toString.should.equal("Diff:\na[-b][+s]c"); -} - -@("DiffResult uses the custom glyphs") -unittest { - scope(exit) { - ResultGlyphs.resetDefaults; - } - - ResultGlyphs.diffBegin = "{"; - ResultGlyphs.diffEnd = "}"; - ResultGlyphs.diffInsert = "!"; - ResultGlyphs.diffDelete = "?"; - - auto diff = new DiffResult("abc", "asc"); - diff.toString.should.equal("Diff:\na{?b}{!s}c"); -} - -class KeyResult(string key) : IResult { - - private immutable { - string value; - size_t indent; - } - - this(string value, size_t indent = 10) { - this.value = value.replace("\0", ResultGlyphs.nullChar); - this.indent = indent; - } - - bool hasValue() { - return value != ""; - } - - override string toString() - { - if(value == "") { - return ""; - } - - return rightJustify(key ~ ":", indent, ' ') ~ printableValue; - } - - void print(ResultPrinter printer) - { - if(value == "") { - return; - } - - printer.info(rightJustify(key ~ ":", indent, ' ')); - auto lines = value.split("\n"); - - auto spaces = rightJustify(":", indent, ' '); - - int index; - foreach(line; lines) { - if(index > 0) { - printer.info(ResultGlyphs.newline); - printer.primary("\n"); - printer.info(spaces); - } - - printLine(line, printer); - - index++; - } - - } - - private - { - struct Message { - bool isSpecial; - string text; - } - - void printLine(string line, ResultPrinter printer) { - Message[] messages; - - auto whiteIntervals = line.getWhiteIntervals; - - foreach(size_t index, ch; line) { - bool showSpaces = index < whiteIntervals.left || index >= whiteIntervals.right; - - auto special = isSpecial(ch, showSpaces); - - if(messages.length == 0 || messages[messages.length - 1].isSpecial != special) { - messages ~= Message(special, ""); - } - - messages[messages.length - 1].text ~= toVisible(ch, showSpaces); - } - - foreach(message; messages) { - if(message.isSpecial) { - printer.info(message.text); - } else { - printer.primary(message.text); - } - } - } - - bool isSpecial(T)(T ch, bool showSpaces) { - if(ch == ' ' && showSpaces) { - return true; - } - - if(ch == '\r' || ch == '\t') { - return true; - } - - return false; - } - - string toVisible(T)(T ch, bool showSpaces) { - if(ch == ' ' && showSpaces) { - return ResultGlyphs.space; - } - - if(ch == '\r') { - return ResultGlyphs.carriageReturn; - } - - if(ch == '\t') { - return ResultGlyphs.tab; - } - - return ch.to!string; - } - - pure string printableValue() - { - return value.split("\n").join("\\n\n" ~ rightJustify(":", indent, ' ')); - } - } -} - -@("KeyResult does not display spaces between words with special chars") -unittest { - auto result = new KeyResult!"key"(" row1 row2 "); - auto printer = new MockPrinter(); - - result.print(printer); - printer.buffer.should.equal(`[info: key:][info:᛫][primary:row1 row2][info:᛫]`); -} - -@("KeyResult displays spaces with special chars on space lines") -unittest { - auto result = new KeyResult!"key"(" "); - auto printer = new MockPrinter(); - - result.print(printer); - printer.buffer.should.equal(`[info: key:][info:᛫᛫᛫]`); -} - -@("KeyResult displays no char for empty lines") -unittest { - auto result = new KeyResult!"key"(""); - auto printer = new MockPrinter(); - - result.print(printer); - printer.buffer.should.equal(``); -} - -@("KeyResult displays special characters with different contexts") -unittest { - auto result = new KeyResult!"key"("row1\n \trow2"); - auto printer = new MockPrinter(); - - result.print(printer); - - printer.buffer.should.equal(`[info: key:][primary:row1][info:↲][primary:` ~ "\n" ~ `][info: :][info:᛫¤][primary:row2]`); -} - -@("KeyResult displays custom glyphs with different contexts") -unittest { - scope(exit) { - ResultGlyphs.resetDefaults; - } - - ResultGlyphs.newline = `\n`; - ResultGlyphs.tab = `\t`; - ResultGlyphs.space = ` `; - - auto result = new KeyResult!"key"("row1\n \trow2"); - auto printer = new MockPrinter(); - - result.print(printer); - - printer.buffer.should.equal(`[info: key:][primary:row1][info:\n][primary:` ~ "\n" ~ `][info: :][info: \t][primary:row2]`); -} - -/// -class ExpectedActualResult : IResult { - protected { - string title; - KeyResult!"Expected" expected; - KeyResult!"Actual" actual; - } - - this(string title, string expected, string actual) nothrow @safe { - this.title = title; - this(expected, actual); - } - - this(string expected, string actual) nothrow @safe { - this.expected = new KeyResult!"Expected"(expected); - this.actual = new KeyResult!"Actual"(actual); - } - - override string toString() { - auto line1 = expected.toString; - auto line2 = actual.toString; - string glue; - string prefix; - - if(line1 != "" && line2 != "") { - glue = "\n"; - } - - if(line1 != "" || line2 != "") { - prefix = title == "" ? "\n" : ("\n" ~ title ~ "\n"); - } - - return prefix ~ line1 ~ glue ~ line2; - } - - void print(ResultPrinter printer) - { - auto line1 = expected.toString; - auto line2 = actual.toString; - - if(actual.hasValue || expected.hasValue) { - printer.info(title == "" ? "\n" : ("\n" ~ title ~ "\n")); - } - - expected.print(printer); - if(actual.hasValue && expected.hasValue) { - printer.primary("\n"); - } - actual.print(printer); - } -} - -@("ExpectedActual result should be empty when no data is provided") -unittest -{ - auto result = new ExpectedActualResult("", ""); - result.toString.should.equal(""); -} - -@("ExpectedActual result should be empty when null data is provided") -unittest -{ - auto result = new ExpectedActualResult(null, null); - result.toString.should.equal(""); -} - -@("ExpectedActual result should show one line of the expected and actual data") -unittest -{ - auto result = new ExpectedActualResult("data", "data"); - result.toString.should.equal(` - Expected:data - Actual:data`); -} - -@("ExpectedActual result should show one line of the expected and actual data") -unittest -{ - auto result = new ExpectedActualResult("data\ndata", "data\ndata"); - result.toString.should.equal(` - Expected:data\n - :data - Actual:data\n - :data`); -} - -/// A result that displays differences between ranges -class ExtraMissingResult : IResult -{ - protected - { - KeyResult!"Extra" extra; - KeyResult!"Missing" missing; - } - - this(string extra, string missing) - { - this.extra = new KeyResult!"Extra"(extra); - this.missing = new KeyResult!"Missing"(missing); - } - - override string toString() - { - auto line1 = extra.toString; - auto line2 = missing.toString; - string glue; - string prefix; - - if(line1 != "" || line2 != "") { - prefix = "\n"; - } - - if(line1 != "" && line2 != "") { - glue = "\n"; - } - - return prefix ~ line1 ~ glue ~ line2; - } - - void print(ResultPrinter printer) - { - if(extra.hasValue || missing.hasValue) { - printer.primary("\n"); - } - - extra.print(printer); - if(extra.hasValue && missing.hasValue) { - printer.primary("\n"); - } - missing.print(printer); - } -} - - -string toString(const(Token)[] tokens) { - string result; - - foreach(token; tokens.filter!(a => str(a.type) != "comment")) { - if(str(token.type) == "whitespace" && token.text == "") { - result ~= "\n"; - } else { - result ~= token.text == "" ? str(token.type) : token.text; - } - } - - return result; -} - -auto getScope(const(Token)[] tokens, size_t line) nothrow { - bool foundScope; - bool foundAssert; - size_t beginToken; - size_t endToken = tokens.length; - - int paranthesisCount = 0; - int scopeLevel; - size_t[size_t] paranthesisLevels; - - foreach(i, token; tokens) { - string type = str(token.type); - - if(type == "{") { - paranthesisLevels[paranthesisCount] = i; - paranthesisCount++; - } - - if(type == "}") { - paranthesisCount--; - } - - if(line == token.line) { - foundScope = true; - } - - if(foundScope) { - if(token.text == "should" || token.text == "Assert" || type == "assert" || type == ";") { - foundAssert = true; - scopeLevel = paranthesisCount; - } - - if(type == "}" && paranthesisCount <= scopeLevel) { - beginToken = paranthesisLevels[paranthesisCount]; - endToken = i + 1; - - break; - } - } - } - - return const Tuple!(size_t, "begin", size_t, "end")(beginToken, endToken); -} - -@("getScope returns the spec function and scope that contains a lambda") -unittest { - const(Token)[] tokens = []; - splitMultilinetokens(fileToDTokens("test/values.d"), tokens); - - auto result = getScope(tokens, 101); - auto identifierStart = getPreviousIdentifier(tokens, result.begin); - - tokens[identifierStart .. result.end].toString.strip.should.equal("it(\"should throw an exception if we request 2 android devices\", { - ({ - auto result = [ device1.idup, device2.idup ].filterBy(RunOptions(\"\", \"android\", 2)).array; - }).should.throwException!DeviceException.withMessage.equal(\"You requested 2 `androdid` devices, but there is only 1 healthy.\"); - }"); -} - -@("getScope returns a method scope and signature") -unittest { - const(Token)[] tokens = []; - splitMultilinetokens(fileToDTokens("test/class.d"), tokens); - - auto result = getScope(tokens, 10); - auto identifierStart = getPreviousIdentifier(tokens, result.begin); - - tokens[identifierStart .. result.end].toString.strip.should.equal("void bar() { - assert(false); - }"); -} - -@("getScope returns a method scope without assert") -unittest { - const(Token)[] tokens = []; - splitMultilinetokens(fileToDTokens("test/class.d"), tokens); - - auto result = getScope(tokens, 14); - auto identifierStart = getPreviousIdentifier(tokens, result.begin); - - tokens[identifierStart .. result.end].toString.strip.should.equal("void bar2() { - enforce(false); - }"); -} - -size_t getFunctionEnd(const(Token)[] tokens, size_t start) { - int paranthesisCount; - size_t result = start; - - // iterate the parameters - foreach(i, token; tokens[start .. $]) { - string type = str(token.type); - - if(type == "(") { - paranthesisCount++; - } - - if(type == ")") { - paranthesisCount--; - } - - if(type == "{" && paranthesisCount == 0) { - result = start + i; - break; - } - - if(type == ";" && paranthesisCount == 0) { - return start + i; - } - } - - paranthesisCount = 0; - // iterate the scope - foreach(i, token; tokens[result .. $]) { - string type = str(token.type); - - if(type == "{") { - paranthesisCount++; - } - - if(type == "}") { - paranthesisCount--; - - if(paranthesisCount == 0) { - result = result + i; - break; - } - } - } - - return result; -} - -@("getFunctionEnd returns the end of a spec function with a lambda") -unittest { - const(Token)[] tokens = []; - splitMultilinetokens(fileToDTokens("test/values.d"), tokens); - - auto result = getScope(tokens, 101); - auto identifierStart = getPreviousIdentifier(tokens, result.begin); - auto functionEnd = getFunctionEnd(tokens, identifierStart); - - tokens[identifierStart .. functionEnd].toString.strip.should.equal("it(\"should throw an exception if we request 2 android devices\", { - ({ - auto result = [ device1.idup, device2.idup ].filterBy(RunOptions(\"\", \"android\", 2)).array; - }).should.throwException!DeviceException.withMessage.equal(\"You requested 2 `androdid` devices, but there is only 1 healthy.\"); - })"); -} - - -@("getFunctionEnd returns the end of an unittest function with a lambda") -unittest { - const(Token)[] tokens = []; - splitMultilinetokens(fileToDTokens("test/values.d"), tokens); - - auto result = getScope(tokens, 81); - auto identifierStart = getPreviousIdentifier(tokens, result.begin); - auto functionEnd = getFunctionEnd(tokens, identifierStart) + 1; - - tokens[identifierStart .. functionEnd].toString.strip.should.equal("unittest { - ({ - ({ }).should.beNull; - }).should.throwException!TestException.msg; - -}"); -} - -@("getScope returns tokens from a scope that contains a lambda") -unittest { - const(Token)[] tokens = []; - splitMultilinetokens(fileToDTokens("test/values.d"), tokens); - - auto result = getScope(tokens, 81); - - tokens[result.begin .. result.end].toString.strip.should.equal(`{ - ({ - ({ }).should.beNull; - }).should.throwException!TestException.msg; - -}`); -} - -size_t getPreviousIdentifier(const(Token)[] tokens, size_t startIndex) { - enforce(startIndex > 0); - enforce(startIndex < tokens.length); - - int paranthesisCount; - bool foundIdentifier; - - foreach(i; 0..startIndex) { - auto index = startIndex - i - 1; - auto type = str(tokens[index].type); - - if(type == "(") { - paranthesisCount--; - } - - if(type == ")") { - paranthesisCount++; - } - - if(paranthesisCount < 0) { - return getPreviousIdentifier(tokens, index - 1); - } - - if(paranthesisCount != 0) { - continue; - } - - if(type == "unittest") { - return index; - } - - if(type == "{" || type == "}") { - return index + 1; - } - - if(type == ";") { - return index + 1; - } - - if(type == "=") { - return index + 1; - } - - if(type == ".") { - foundIdentifier = false; - } - - if(type == "identifier" && foundIdentifier) { - foundIdentifier = true; - continue; - } - - if(foundIdentifier) { - return index; - } - } - - return 0; -} - -@("getPreviousIdentifier returns the previous unittest identifier from a list of tokens") -unittest { - const(Token)[] tokens = []; - splitMultilinetokens(fileToDTokens("test/values.d"), tokens); - - auto scopeResult = getScope(tokens, 81); - - auto result = getPreviousIdentifier(tokens, scopeResult.begin); - - tokens[result .. scopeResult.begin].toString.strip.should.equal(`unittest`); -} - -@("getPreviousIdentifier returns the previous paranthesis identifier from a list of tokens") -unittest { - const(Token)[] tokens = []; - splitMultilinetokens(fileToDTokens("test/values.d"), tokens); - - auto scopeResult = getScope(tokens, 63); - - auto end = scopeResult.end - 11; - - auto result = getPreviousIdentifier(tokens, end); - - tokens[result .. end].toString.strip.should.equal(`(5, (11))`); -} - -@("getPreviousIdentifier returns the previous function call identifier from a list of tokens") -unittest { - const(Token)[] tokens = []; - splitMultilinetokens(fileToDTokens("test/values.d"), tokens); - - auto scopeResult = getScope(tokens, 75); - - auto end = scopeResult.end - 11; - - auto result = getPreviousIdentifier(tokens, end); - - tokens[result .. end].toString.strip.should.equal(`found(4)`); -} - -@("getPreviousIdentifier returns the previous map identifier from a list of tokens") -unittest { - const(Token)[] tokens = []; - splitMultilinetokens(fileToDTokens("test/values.d"), tokens); - - auto scopeResult = getScope(tokens, 85); - - auto end = scopeResult.end - 12; - auto result = getPreviousIdentifier(tokens, end); - - tokens[result .. end].toString.strip.should.equal(`[1, 2, 3].map!"a"`); -} - -size_t getAssertIndex(const(Token)[] tokens, size_t startLine) { - auto assertTokens = tokens - .enumerate - .filter!(a => a[1].text == "Assert") - .filter!(a => a[1].line <= startLine) - .array; - - if(assertTokens.length == 0) { - return 0; - } - - return assertTokens[assertTokens.length - 1].index; -} - -@("getAssertIndex returns the index of the Assert structure identifier from a list of tokens") -unittest { - const(Token)[] tokens = []; - splitMultilinetokens(fileToDTokens("test/values.d"), tokens); - - auto result = getAssertIndex(tokens, 55); - - tokens[result .. result + 4].toString.strip.should.equal(`Assert.equal(`); -} - -auto getParameter(const(Token)[] tokens, size_t startToken) { - size_t paranthesisCount; - - foreach(i; startToken..tokens.length) { - string type = str(tokens[i].type); - - if(type == "(" || type == "[") { - paranthesisCount++; - } - - if(type == ")" || type == "]") { - if(paranthesisCount == 0) { - return i; - } - - paranthesisCount--; - } - - if(paranthesisCount > 0) { - continue; - } - - if(type == ",") { - return i; - } - } - - - return 0; -} - -@("getParameter returns the first parameter from a list of tokens") -unittest { - const(Token)[] tokens = []; - splitMultilinetokens(fileToDTokens("test/values.d"), tokens); - - auto begin = getAssertIndex(tokens, 57) + 4; - auto end = getParameter(tokens, begin); - tokens[begin .. end].toString.strip.should.equal(`(5, (11))`); -} - -@("getParameter returns the first list parameter from a list of tokens") -unittest { - const(Token)[] tokens = []; - splitMultilinetokens(fileToDTokens("test/values.d"), tokens); - - auto begin = getAssertIndex(tokens, 89) + 4; - auto end = getParameter(tokens, begin); - tokens[begin .. end].toString.strip.should.equal(`[ new Value(1), new Value(2) ]`); -} - -@("getPreviousIdentifier returns the previous array identifier from a list of tokens") -unittest { - const(Token)[] tokens = []; - splitMultilinetokens(fileToDTokens("test/values.d"), tokens); - - auto scopeResult = getScope(tokens, 4); - auto end = scopeResult.end - 13; - - auto result = getPreviousIdentifier(tokens, end); - - tokens[result .. end].toString.strip.should.equal(`[1, 2, 3]`); -} - -@("getPreviousIdentifier returns the previous array of instances identifier from a list of tokens") -unittest { - const(Token)[] tokens = []; - splitMultilinetokens(fileToDTokens("test/values.d"), tokens); - - auto scopeResult = getScope(tokens, 90); - auto end = scopeResult.end - 16; - - auto result = getPreviousIdentifier(tokens, end); - - tokens[result .. end].toString.strip.should.equal(`[ new Value(1), new Value(2) ]`); -} - -size_t getShouldIndex(const(Token)[] tokens, size_t startLine) { - auto shouldTokens = tokens - .enumerate - .filter!(a => a[1].text == "should") - .filter!(a => a[1].line <= startLine) - .array; - - if(shouldTokens.length == 0) { - return 0; - } - - return shouldTokens[shouldTokens.length - 1].index; -} - -@("getShouldIndex returns the index of the should call") -unittest { - const(Token)[] tokens = []; - splitMultilinetokens(fileToDTokens("test/values.d"), tokens); - - auto result = getShouldIndex(tokens, 4); - - auto token = tokens[result]; - token.line.should.equal(3); - token.text.should.equal(`should`); - str(token.type).text.should.equal(`identifier`); -} - -/// Source result data stored as a struct for efficiency -struct SourceResultData { - static private { - const(Token)[][string] fileTokens; - } - - string file; - size_t line; - const(Token)[] tokens; - - static SourceResultData create(string fileName, size_t line) nothrow @trusted { - SourceResultData data; - data.file = fileName; - data.line = line; - - if (!fileName.exists) { - return data; - } - - try { - updateFileTokens(fileName); - auto result = getScope(fileTokens[fileName], line); - - auto begin = getPreviousIdentifier(fileTokens[fileName], result.begin); - auto end = getFunctionEnd(fileTokens[fileName], begin) + 1; - - data.tokens = fileTokens[fileName][begin .. end]; - } catch (Throwable t) { - } - - return data; - } - - static void updateFileTokens(string fileName) { - if(fileName !in fileTokens) { - fileTokens[fileName] = []; - splitMultilinetokens(fileToDTokens(fileName), fileTokens[fileName]); - } - } - - string getValue() { - size_t begin; - size_t end = getShouldIndex(tokens, line); - - if(end != 0) { - begin = tokens.getPreviousIdentifier(end - 1); - return tokens[begin .. end - 1].toString.strip; - } - - auto beginAssert = getAssertIndex(tokens, line); - - if(beginAssert > 0) { - begin = beginAssert + 4; - end = getParameter(tokens, begin); - return tokens[begin .. end].toString.strip; - } - - return ""; - } - - string toString() nothrow { - auto separator = leftJustify("", 20, '-'); - string result = "\n" ~ separator ~ "\n" ~ file ~ ":" ~ line.to!string ~ "\n" ~ separator; - - if(tokens.length == 0) { - return result ~ "\n"; - } - - size_t currentLine = tokens[0].line - 1; - size_t column = 1; - bool afterErrorLine = false; - - foreach(token; tokens.filter!(token => token != tok!"whitespace")) { - string prefix = ""; - - foreach(lineNumber; currentLine..token.line) { - if(lineNumber < line - 1 || afterErrorLine) { - prefix ~= "\n" ~ rightJustify((lineNumber+1).to!string, 6, ' ') ~ ": "; - } else { - prefix ~= "\n>" ~ rightJustify((lineNumber+1).to!string, 5, ' ') ~ ": "; - } - } - - if(token.line != currentLine) { - column = 1; - } - - if(token.column > column) { - prefix ~= ' '.repeat.take(token.column - column).array; - } - - auto stringRepresentation = token.text == "" ? str(token.type) : token.text; - auto lines = stringRepresentation.split("\n"); - - result ~= prefix ~ lines[0]; - currentLine = token.line; - column = token.column + stringRepresentation.length; - - if(token.line >= line && str(token.type) == ";") { - afterErrorLine = true; - } - } - - return result; - } - - void print(ResultPrinter printer) { - if(tokens.length == 0) { - return; - } - - printer.primary("\n"); - printer.info(file ~ ":" ~ line.to!string); - - size_t currentLine = tokens[0].line - 1; - size_t column = 1; - bool afterErrorLine = false; - - foreach(token; tokens.filter!(token => token != tok!"whitespace")) { - foreach(lineNumber; currentLine..token.line) { - printer.primary("\n"); - - if(lineNumber < line - 1 || afterErrorLine) { - printer.primary(rightJustify((lineNumber+1).to!string, 6, ' ') ~ ":"); - } else { - printer.dangerReverse(">" ~ rightJustify((lineNumber+1).to!string, 5, ' ') ~ ":"); - } - } - - if(token.line != currentLine) { - column = 1; - } - - if(token.column > column) { - printer.primary(' '.repeat.take(token.column - column).array); - } - - auto stringRepresentation = token.text == "" ? str(token.type) : token.text; - - if(token.text == "" && str(token.type) != "whitespace") { - printer.info(str(token.type)); - } else if(str(token.type).indexOf("Literal") != -1) { - printer.success(token.text); - } else { - printer.primary(token.text); - } - - currentLine = token.line; - column = token.column + stringRepresentation.length; - - if(token.line >= line && str(token.type) == ";") { - afterErrorLine = true; - } - } - - printer.primary("\n"); - } -} - -/// Wrapper class for SourceResultData to implement IResult interface -class SourceResult : IResult { - private SourceResultData data; - - this(string fileName = __FILE__, size_t line = __LINE__, size_t range = 6) nothrow @trusted { - data = SourceResultData.create(fileName, line); - } - - this(SourceResultData sourceData) nothrow @trusted { - data = sourceData; - } - - @property string file() { return data.file; } - @property size_t line() { return data.line; } - - static void updateFileTokens(string fileName) { - SourceResultData.updateFileTokens(fileName); - } - - string getValue() { - return data.getValue(); - } - - override string toString() nothrow { - return data.toString(); - } - - void print(ResultPrinter printer) { - data.print(printer); - } -} - -@("TestException should read the code from the file") -unittest -{ - auto result = new SourceResult("test/values.d", 26); - auto msg = result.toString; - - msg.should.equal("\n--------------------\ntest/values.d:26\n--------------------\n" ~ - " 23: unittest {\n" ~ - " 24: /++/\n" ~ - " 25: \n" ~ - "> 26: [1, 2, 3]\n" ~ - "> 27: .should\n" ~ - "> 28: .contain(4);\n" ~ - " 29: }"); -} - -@("TestException should print the lines before multiline tokens") -unittest -{ - auto result = new SourceResult("test/values.d", 45); - auto msg = result.toString; - - msg.should.equal("\n--------------------\ntest/values.d:45\n--------------------\n" ~ - " 40: unittest {\n" ~ - " 41: /*\n" ~ - " 42: Multi line comment\n" ~ - " 43: */\n" ~ - " 44: \n" ~ - "> 45: `multi\n" ~ - "> 46: line\n" ~ - "> 47: string`\n" ~ - "> 48: .should\n" ~ - "> 49: .contain(`multi\n" ~ - "> 50: line\n" ~ - "> 51: string`);\n" ~ - " 52: }"); -} - -/// Converts a file to D tokens provided by libDParse. -/// All the whitespaces are ignored -const(Token)[] fileToDTokens(string fileName) nothrow @trusted { - try { - auto f = File(fileName); - immutable auto fileSize = f.size(); - ubyte[] fileBytes = new ubyte[](fileSize.to!size_t); - - if(f.rawRead(fileBytes).length != fileSize) { - return []; - } - - StringCache cache = StringCache(StringCache.defaultBucketCount); - - LexerConfig config; - config.stringBehavior = StringBehavior.source; - config.fileName = fileName; - config.commentBehavior = CommentBehavior.intern; - - auto lexer = DLexer(fileBytes, config, &cache); - const(Token)[] tokens = lexer.array; - - return tokens.map!(token => const Token(token.type, token.text.idup, token.line, token.column, token.index)).array; - } catch(Throwable) { - return []; - } -} - -@("TestException should ignore missing files") -unittest -{ - auto result = new SourceResult("test/missing.txt", 10); - auto msg = result.toString; - - msg.should.equal("\n" ~ `-------------------- -test/missing.txt:10 ---------------------` ~ "\n"); -} - -@("Source reporter should find the tested value on scope start") -unittest -{ - auto result = new SourceResult("test/values.d", 4); - result.getValue.should.equal("[1, 2, 3]"); -} - -@("Source reporter should find the tested value after a statment") -unittest -{ - auto result = new SourceResult("test/values.d", 12); - result.getValue.should.equal("[1, 2, 3]"); -} - -@("Source reporter should find the tested value after a */ comment") -unittest -{ - auto result = new SourceResult("test/values.d", 20); - result.getValue.should.equal("[1, 2, 3]"); -} - -@("Source reporter should find the tested value after a +/ comment") -unittest -{ - auto result = new SourceResult("test/values.d", 28); - result.getValue.should.equal("[1, 2, 3]"); -} - -@("Source reporter should find the tested value after a // comment") -unittest -{ - auto result = new SourceResult("test/values.d", 36); - result.getValue.should.equal("[1, 2, 3]"); -} - -@("Source reporter should find the tested value from an assert utility") -unittest -{ - auto result = new SourceResult("test/values.d", 55); - result.getValue.should.equal("5"); - - result = new SourceResult("test/values.d", 56); - result.getValue.should.equal("(5+1)"); - - result = new SourceResult("test/values.d", 57); - result.getValue.should.equal("(5, (11))"); -} - -@("Source reporter should get the value from multiple should asserts") -unittest -{ - auto result = new SourceResult("test/values.d", 61); - result.getValue.should.equal("5"); - - result = new SourceResult("test/values.d", 62); - result.getValue.should.equal("(5+1)"); - - result = new SourceResult("test/values.d", 63); - result.getValue.should.equal("(5, (11))"); -} - -@("Source reporter should get the value after a scope") -unittest -{ - auto result = new SourceResult("test/values.d", 71); - result.getValue.should.equal("found"); -} - -@("Source reporter should get a function call value") -unittest -{ - auto result = new SourceResult("test/values.d", 75); - result.getValue.should.equal("found(4)"); -} - -@("Source reporter should parse nested lambdas") -unittest -{ - auto result = new SourceResult("test/values.d", 81); - result.getValue.should.equal("({ - ({ }).should.beNull; - })"); -} - -@("Source reporter prints the source code") -unittest -{ - auto result = new SourceResult("test/values.d", 36); - auto printer = new MockPrinter(); - - result.print(printer); - - - auto lines = printer.buffer.split("[primary:\n]"); - - lines[1].should.equal(`[info:test/values.d:36]`); - lines[2].should.equal(`[primary: 31:][info:unittest][primary: ][info:{]`); - lines[7].should.equal(`[dangerReverse:> 36:][primary: ][info:.][primary:contain][info:(][success:4][info:)][info:;]`); -} - -/// split multiline tokens in multiple single line tokens with the same type -void splitMultilinetokens(const(Token)[] tokens, ref const(Token)[] result) nothrow @trusted { - - try { - foreach(token; tokens) { - auto pieces = token.text.idup.split("\n"); - - if(pieces.length <= 1) { - result ~= const Token(token.type, token.text.dup, token.line, token.column, token.index); - } else { - size_t line = token.line; - size_t column = token.column; - - foreach(textPiece; pieces) { - result ~= const Token(token.type, textPiece, line, column, token.index); - line++; - column = 1; - } - } - } - } catch(Throwable) {} -} - -/// A new line sepparator -class SeparatorResult : IResult { - override string toString() { - return "\n"; - } - - void print(ResultPrinter printer) { - printer.primary("\n"); - } -} - -class ListInfoResult : IResult { - private { - struct Item { - string singular; - string plural; - string[] valueList; - - string key() { - return valueList.length > 1 ? plural : singular; - } - - MessageResult toMessage(size_t indentation = 0) { - auto printableKey = rightJustify(key ~ ":", indentation, ' '); - - auto result = new MessageResult(printableKey); - - string glue; - foreach(value; valueList) { - result.addText(glue); - result.addValue(value); - glue = ","; - } - - return result; - } - } - - Item[] items; - } - - void add(string key, string value) { - items ~= Item(key, "", [value]); - } - - void add(string singular, string plural, string[] valueList) { - items ~= Item(singular, plural, valueList); - } - - private size_t indentation() { - auto elements = items.filter!"a.valueList.length > 0"; - - if(elements.empty) { - return 0; - } - - return elements.map!"a.key".map!"a.length".maxElement + 2; - } - - override string toString() { - auto indent = indentation; - auto elements = items.filter!"a.valueList.length > 0"; - - if(elements.empty) { - return ""; - } - - return "\n" ~ elements.map!(a => a.toMessage(indent)).map!"a.toString".join("\n"); - } - - void print(ResultPrinter printer) { - auto indent = indentation; - auto elements = items.filter!"a.valueList.length > 0"; - - if(elements.empty) { - return; - } - - foreach(item; elements) { - printer.primary("\n"); - item.toMessage(indent).print(printer); - } - } -} - -@("convert to string the added data to ListInfoResult") -unittest { - auto result = new ListInfoResult(); - - result.add("a", "1"); - result.add("ab", "2"); - result.add("abc", "3"); - - result.toString.should.equal(` - a:1 - ab:2 - abc:3`); -} - -@("print the added data to ListInfoResult") -unittest { - auto printer = new MockPrinter(); - auto result = new ListInfoResult(); - - result.add("a", "1"); - result.add("ab", "2"); - result.add("abc", "3"); - - result.print(printer); - - printer.buffer.should.equal(`[primary: -][primary: a:][primary:][info:1][primary: -][primary: ab:][primary:][info:2][primary: -][primary: abc:][primary:][info:3]`); -} - - -@("convert to string the added data lists to ListInfoResult") -unittest { - auto result = new ListInfoResult(); - - result.add("a", "as", ["1", "2","3"]); - result.add("ab", "abs", ["2", "3"]); - result.add("abc", "abcs", ["3"]); - result.add("abcd", "abcds", []); - - result.toString.should.equal(` - as:1,2,3 - abs:2,3 - abc:3`); -} - -IResult[] toResults(Exception e) nothrow @trusted { - try { - return [ new MessageResult(e.message.to!string) ]; - } catch(Exception) { - return [ new MessageResult("Unknown error!") ]; - } -} diff --git a/source/fluentasserts/core/serializers.d b/source/fluentasserts/core/serializers.d deleted file mode 100644 index 076e012e..00000000 --- a/source/fluentasserts/core/serializers.d +++ /dev/null @@ -1,659 +0,0 @@ -module fluentasserts.core.serializers; - -import std.array; -import std.string; -import std.algorithm; -import std.traits; -import std.conv; -import std.datetime; -import std.functional; - -version(unittest) import fluent.asserts; -/// Singleton used to serialize to string the tested values -class SerializerRegistry { - static SerializerRegistry instance; - - private { - string delegate(void*)[string] serializers; - string delegate(const void*)[string] constSerializers; - string delegate(immutable void*)[string] immutableSerializers; - } - - /// - void register(T)(string delegate(T) serializer) if(isAggregateType!T) { - enum key = T.stringof; - - static if(is(Unqual!T == T)) { - string wrap(void* val) { - auto value = (cast(T*) val); - return serializer(*value); - } - - serializers[key] = &wrap; - } else static if(is(ConstOf!T == T)) { - string wrap(const void* val) { - auto value = (cast(T*) val); - return serializer(*value); - } - - constSerializers[key] = &wrap; - } else static if(is(ImmutableOf!T == T)) { - string wrap(immutable void* val) { - auto value = (cast(T*) val); - return serializer(*value); - } - - immutableSerializers[key] = &wrap; - } - } - - void register(T)(string function(T) serializer) { - auto serializerDelegate = serializer.toDelegate; - this.register(serializerDelegate); - } - - /// - string serialize(T)(T[] value) if(!isSomeString!(T[])) { - static if(is(Unqual!T == void)) { - return "[]"; - } else { - return "[" ~ value.map!(a => serialize(a)).joiner(", ").array.to!string ~ "]"; - } - } - - /// - string serialize(T: V[K], V, K)(T value) { - auto keys = value.byKey.array.sort; - - return "[" ~ keys.map!(a => serialize(a) ~ ":" ~ serialize(value[a])).joiner(", ").array.to!string ~ "]"; - } - - /// - string serialize(T)(T value) if(isAggregateType!T) { - auto key = T.stringof; - auto tmp = &value; - - static if(is(Unqual!T == T)) { - if(key in serializers) { - return serializers[key](tmp); - } - } - - static if(is(ConstOf!T == T)) { - if(key in constSerializers) { - return constSerializers[key](tmp); - } - } - - static if(is(ImmutableOf!T == T)) { - if(key in immutableSerializers) { - return immutableSerializers[key](tmp); - } - } - - string result; - - static if(is(T == class)) { - if(value is null) { - result = "null"; - } else { - auto v = (cast() value); - result = T.stringof ~ "(" ~ v.toHash.to!string ~ ")"; - } - } else static if(is(Unqual!T == Duration)) { - result = value.total!"nsecs".to!string; - } else static if(is(Unqual!T == SysTime)) { - result = value.toISOExtString; - } else { - result = value.to!string; - } - - if(result.indexOf("const(") == 0) { - result = result[6..$]; - - auto pos = result.indexOf(")"); - result = result[0..pos] ~ result[pos + 1..$]; - } - - if(result.indexOf("immutable(") == 0) { - result = result[10..$]; - auto pos = result.indexOf(")"); - result = result[0..pos] ~ result[pos + 1..$]; - } - - return result; - } - - /// - string serialize(T)(T value) if(!is(T == enum) && (isSomeString!T || (!isArray!T && !isAssociativeArray!T && !isAggregateType!T))) { - static if(isSomeString!T) { - return `"` ~ value.to!string ~ `"`; - } else static if(isSomeChar!T) { - return `'` ~ value.to!string ~ `'`; - } else { - return value.to!string; - } - } - - string serialize(T)(T value) if(is(T == enum)) { - static foreach(member; EnumMembers!T) { - if(member == value) { - return this.serialize(cast(OriginalType!T) member); - } - } - - throw new Exception("The value can not be serialized."); - } - - string niceValue(T)(T value) { - static if(is(Unqual!T == SysTime)) { - return value.toISOExtString; - } else static if(is(Unqual!T == Duration)) { - return value.to!string; - } else { - return serialize(value); - } - } -} - -@("overrides the default struct serializer") -unittest { - struct A {} - - string serializer(A) { - return "custom value"; - } - auto registry = new SerializerRegistry(); - registry.register(&serializer); - - registry.serialize(A()).should.equal("custom value"); - registry.serialize([A()]).should.equal("[custom value]"); - registry.serialize(["key": A()]).should.equal(`["key":custom value]`); -} - -@("overrides the default const struct serializer") -unittest { - struct A {} - - string serializer(const A) { - return "custom value"; - } - auto registry = new SerializerRegistry(); - registry.register(&serializer); - - const A value; - - registry.serialize(value).should.equal("custom value"); - registry.serialize([value]).should.equal("[custom value]"); - registry.serialize(["key": value]).should.equal(`["key":custom value]`); -} - -@("overrides the default immutable struct serializer") -unittest { - struct A {} - - string serializer(immutable A) { - return "value"; - } - auto registry = new SerializerRegistry(); - registry.register(&serializer); - - immutable A ivalue; - const A cvalue; - A value; - - registry.serialize(value).should.equal("A()"); - registry.serialize(cvalue).should.equal("A()"); - registry.serialize(ivalue).should.equal("value"); - registry.serialize(ivalue).should.equal("value"); - registry.serialize([ivalue]).should.equal("[value]"); - registry.serialize(["key": ivalue]).should.equal(`["key":value]`); -} - - -@("overrides the default class serializer") -unittest { - class A {} - - string serializer(A) { - return "custom value"; - } - auto registry = new SerializerRegistry(); - registry.register(&serializer); - - registry.serialize(new A()).should.equal("custom value"); - registry.serialize([new A()]).should.equal("[custom value]"); - registry.serialize(["key": new A()]).should.equal(`["key":custom value]`); -} - -@("overrides the default const class serializer") -unittest { - class A {} - - string serializer(const A) { - return "custom value"; - } - auto registry = new SerializerRegistry(); - registry.register(&serializer); - - const A value = new A; - - registry.serialize(value).should.equal("custom value"); - registry.serialize([value]).should.equal("[custom value]"); - registry.serialize(["key": value]).should.equal(`["key":custom value]`); -} - -@("overrides the default immutable class serializer") -unittest { - class A {} - - string serializer(immutable A) { - return "value"; - } - auto registry = new SerializerRegistry(); - registry.register(&serializer); - - immutable A ivalue; - const A cvalue; - A value; - - registry.serialize(value).should.equal("null"); - registry.serialize(cvalue).should.equal("null"); - registry.serialize(ivalue).should.equal("value"); - registry.serialize(ivalue).should.equal("value"); - registry.serialize([ivalue]).should.equal("[value]"); - registry.serialize(["key": ivalue]).should.equal(`["key":value]`); -} - -@("serializes a char") -unittest { - char ch = 'a'; - const char cch = 'a'; - immutable char ich = 'a'; - - SerializerRegistry.instance.serialize(ch).should.equal("'a'"); - SerializerRegistry.instance.serialize(cch).should.equal("'a'"); - SerializerRegistry.instance.serialize(ich).should.equal("'a'"); -} - -@("serializes a SysTime") -unittest { - SysTime val = SysTime.fromISOExtString("2010-07-04T07:06:12"); - const SysTime cval = SysTime.fromISOExtString("2010-07-04T07:06:12"); - immutable SysTime ival = SysTime.fromISOExtString("2010-07-04T07:06:12"); - - SerializerRegistry.instance.serialize(val).should.equal("2010-07-04T07:06:12"); - SerializerRegistry.instance.serialize(cval).should.equal("2010-07-04T07:06:12"); - SerializerRegistry.instance.serialize(ival).should.equal("2010-07-04T07:06:12"); -} - -@("serializes a string") -unittest { - string str = "aaa"; - const string cstr = "aaa"; - immutable string istr = "aaa"; - - SerializerRegistry.instance.serialize(str).should.equal(`"aaa"`); - SerializerRegistry.instance.serialize(cstr).should.equal(`"aaa"`); - SerializerRegistry.instance.serialize(istr).should.equal(`"aaa"`); -} - -@("serializes an int") -unittest { - int value = 23; - const int cvalue = 23; - immutable int ivalue = 23; - - SerializerRegistry.instance.serialize(value).should.equal(`23`); - SerializerRegistry.instance.serialize(cvalue).should.equal(`23`); - SerializerRegistry.instance.serialize(ivalue).should.equal(`23`); -} - -@("serializes an int list") -unittest { - int[] value = [2,3]; - const int[] cvalue = [2,3]; - immutable int[] ivalue = [2,3]; - - SerializerRegistry.instance.serialize(value).should.equal(`[2, 3]`); - SerializerRegistry.instance.serialize(cvalue).should.equal(`[2, 3]`); - SerializerRegistry.instance.serialize(ivalue).should.equal(`[2, 3]`); -} - -@("serializes a void list") -unittest { - void[] value = []; - const void[] cvalue = []; - immutable void[] ivalue = []; - - SerializerRegistry.instance.serialize(value).should.equal(`[]`); - SerializerRegistry.instance.serialize(cvalue).should.equal(`[]`); - SerializerRegistry.instance.serialize(ivalue).should.equal(`[]`); -} - -@("serializes a nested int list") -unittest { - int[][] value = [[0,1],[2,3]]; - const int[][] cvalue = [[0,1],[2,3]]; - immutable int[][] ivalue = [[0,1],[2,3]]; - - SerializerRegistry.instance.serialize(value).should.equal(`[[0, 1], [2, 3]]`); - SerializerRegistry.instance.serialize(cvalue).should.equal(`[[0, 1], [2, 3]]`); - SerializerRegistry.instance.serialize(ivalue).should.equal(`[[0, 1], [2, 3]]`); -} - -@("serializes an assoc array") -unittest { - int[string] value = ["a": 2,"b": 3, "c": 4]; - const int[string] cvalue = ["a": 2,"b": 3, "c": 4]; - immutable int[string] ivalue = ["a": 2,"b": 3, "c": 4]; - - SerializerRegistry.instance.serialize(value).should.equal(`["a":2, "b":3, "c":4]`); - SerializerRegistry.instance.serialize(cvalue).should.equal(`["a":2, "b":3, "c":4]`); - SerializerRegistry.instance.serialize(ivalue).should.equal(`["a":2, "b":3, "c":4]`); -} - -@("serializes a string enum") -unittest { - enum TestType : string { - a = "a", - b = "b" - } - TestType value = TestType.a; - const TestType cvalue = TestType.a; - immutable TestType ivalue = TestType.a; - - SerializerRegistry.instance.serialize(value).should.equal(`"a"`); - SerializerRegistry.instance.serialize(cvalue).should.equal(`"a"`); - SerializerRegistry.instance.serialize(ivalue).should.equal(`"a"`); -} - -version(unittest) { struct TestStruct { int a; string b; }; } -@("serializes a struct") -unittest { - TestStruct value = TestStruct(1, "2"); - const TestStruct cvalue = TestStruct(1, "2"); - immutable TestStruct ivalue = TestStruct(1, "2"); - - SerializerRegistry.instance.serialize(value).should.equal(`TestStruct(1, "2")`); - SerializerRegistry.instance.serialize(cvalue).should.equal(`TestStruct(1, "2")`); - SerializerRegistry.instance.serialize(ivalue).should.equal(`TestStruct(1, "2")`); -} - -string unqualString(T: U[], U)() if(isArray!T && !isSomeString!T) { - return unqualString!U ~ "[]"; -} - -string unqualString(T: V[K], V, K)() if(isAssociativeArray!T) { - return unqualString!V ~ "[" ~ unqualString!K ~ "]"; -} - -string unqualString(T)() if(isSomeString!T || (!isArray!T && !isAssociativeArray!T)) { - static if(is(T == class) || is(T == struct) || is(T == interface)) { - return fullyQualifiedName!(Unqual!(T)); - } else { - return Unqual!T.stringof; - } - -} - - -string joinClassTypes(T)() { - string result; - - static if(is(T == class)) { - static foreach(Type; BaseClassesTuple!T) { - result ~= Type.stringof; - } - } - - static if(is(T == interface) || is(T == class)) { - static foreach(Type; InterfacesTuple!T) { - if(result.length > 0) result ~= ":"; - result ~= Type.stringof; - } - } - - static if(!is(T == interface) && !is(T == class)) { - result = Unqual!T.stringof; - } - - return result; -} - -/// -string[] parseList(string value) @safe nothrow { - if(value.length == 0) { - return []; - } - - if(value.length == 1) { - return [ value ]; - } - - if(value[0] != '[' || value[value.length - 1] != ']') { - return [ value ]; - } - - string[] result; - string currentValue; - - bool isInsideString; - bool isInsideChar; - bool isInsideArray; - long arrayIndex = 0; - - foreach(index; 1..value.length - 1) { - auto ch = value[index]; - auto canSplit = !isInsideString && !isInsideChar && !isInsideArray; - - if(canSplit && ch == ',' && currentValue.length > 0) { - result ~= currentValue.strip.dup; - currentValue = ""; - continue; - } - - if(!isInsideChar && !isInsideString) { - if(ch == '[') { - arrayIndex++; - isInsideArray = true; - } - - if(ch == ']') { - arrayIndex--; - - if(arrayIndex == 0) { - isInsideArray = false; - } - } - } - - if(!isInsideArray) { - if(!isInsideChar && ch == '"') { - isInsideString = !isInsideString; - } - - if(!isInsideString && ch == '\'') { - isInsideChar = !isInsideChar; - } - } - - currentValue ~= ch; - } - - if(currentValue.length > 0) { - result ~= currentValue.strip; - } - - return result; -} - -@("parseList parses an empty string") -unittest { - auto pieces = "".parseList; - - pieces.should.equal([]); -} - -@("parseList does not parse a string that does not contain []") -unittest { - auto pieces = "test".parseList; - - pieces.should.equal([ "test" ]); -} - - -@("parseList does not parse a char that does not contain []") -unittest { - auto pieces = "t".parseList; - - pieces.should.equal([ "t" ]); -} - -@("parseList parses an empty array") -unittest { - auto pieces = "[]".parseList; - - pieces.should.equal([]); -} - -@("parseList parses a list of one number") -unittest { - auto pieces = "[1]".parseList; - - pieces.should.equal(["1"]); -} - -@("parseList parses a list of two numbers") -unittest { - auto pieces = "[1,2]".parseList; - - pieces.should.equal(["1","2"]); -} - -@("parseList removes the whitespaces from the parsed values") -unittest { - auto pieces = "[ 1, 2 ]".parseList; - - pieces.should.equal(["1","2"]); -} - -@("parseList parses two string values that contain a comma") -unittest { - auto pieces = `[ "a,b", "c,d" ]`.parseList; - - pieces.should.equal([`"a,b"`,`"c,d"`]); -} - -@("parseList parses two string values that contain a single quote") -unittest { - auto pieces = `[ "a'b", "c'd" ]`.parseList; - - pieces.should.equal([`"a'b"`,`"c'd"`]); -} - -@("parseList parses two char values that contain a comma") -unittest { - auto pieces = `[ ',' , ',' ]`.parseList; - - pieces.should.equal([`','`,`','`]); -} - -@("parseList parses two char values that contain brackets") -unittest { - auto pieces = `[ '[' , ']' ]`.parseList; - - pieces.should.equal([`'['`,`']'`]); -} - -@("parseList parses two string values that contain brackets") -unittest { - auto pieces = `[ "[" , "]" ]`.parseList; - - pieces.should.equal([`"["`,`"]"`]); -} - -@("parseList parses two char values that contain a double quote") -unittest { - auto pieces = `[ '"' , '"' ]`.parseList; - - pieces.should.equal([`'"'`,`'"'`]); -} - -@("parseList parses two empty lists") -unittest { - auto pieces = `[ [] , [] ]`.parseList; - pieces.should.equal([`[]`,`[]`]); -} - -@("parseList parses two nested lists") -unittest { - auto pieces = `[ [[],[]] , [[[]],[]] ]`.parseList; - pieces.should.equal([`[[],[]]`,`[[[]],[]]`]); -} - -@("parseList parses two lists with items") -unittest { - auto pieces = `[ [1,2] , [3,4] ]`.parseList; - pieces.should.equal([`[1,2]`,`[3,4]`]); -} - -@("parseList parses two lists with string and char items") -unittest { - auto pieces = `[ ["1", "2"] , ['3', '4'] ]`.parseList; - pieces.should.equal([`["1", "2"]`,`['3', '4']`]); -} - -/// -string cleanString(string value) @safe nothrow { - if(value.length <= 1) { - return value; - } - - char first = value[0]; - char last = value[value.length - 1]; - - if(first == last && (first == '"' || first == '\'')) { - return value[1..$-1]; - } - - - return value; -} - -@("cleanString returns an empty string when the input is an empty string") -unittest { - "".cleanString.should.equal(""); -} - -@("cleanString returns the input value when it has one char") -unittest { - "'".cleanString.should.equal("'"); -} - -@("cleanString removes the double quote from start and end of the string") -unittest { - `""`.cleanString.should.equal(``); -} - -@("cleanString removes the single quote from start and end of the string") -unittest { - `''`.cleanString.should.equal(``); -} - -/// -string[] cleanString(string[] pieces) @safe nothrow { - return pieces.map!(a => a.cleanString).array; -} - -@("cleanString returns an empty array when the input list is empty") -unittest { - string[] empty; - - empty.cleanString.should.equal(empty); -} - -@("cleanString removes the double quote from the begin and end of the string") -unittest { - [`"1"`, `"2"`].cleanString.should.equal([`1`, `2`]); -} diff --git a/source/fluentasserts/core/string.d b/source/fluentasserts/core/string.d deleted file mode 100644 index 7b2c61b3..00000000 --- a/source/fluentasserts/core/string.d +++ /dev/null @@ -1,280 +0,0 @@ -module fluentasserts.core.string; - -public import fluentasserts.core.base; -import fluentasserts.core.results; - -import std.string; -import std.conv; -import std.algorithm; -import std.array; - -@("lazy string that throws propagates the exception") -unittest { - string someLazyString() { - throw new Exception("This is it."); - } - - ({ - someLazyString.should.equal(""); - }).should.throwAnyException.withMessage("This is it."); - - ({ - someLazyString.should.contain(""); - }).should.throwAnyException.withMessage("This is it."); - - ({ - someLazyString.should.contain([""]); - }).should.throwAnyException.withMessage("This is it."); - - ({ - someLazyString.should.contain(' '); - }).should.throwAnyException.withMessage("This is it."); - - ({ - someLazyString.should.startWith(" "); - }).should.throwAnyException.withMessage("This is it."); - - ({ - someLazyString.should.endWith(" "); - }).should.throwAnyException.withMessage("This is it."); -} - -@("string startWith") -unittest { - ({ - "test string".should.startWith("test"); - }).should.not.throwAnyException; - - auto msg = ({ - "test string".should.startWith("other"); - }).should.throwException!TestException.msg; - - msg.split("\n")[0].should.contain(`"test string" does not start with "other"`); - msg.split("\n")[2].strip.should.equal(`Expected:to start with "other"`); - msg.split("\n")[3].strip.should.equal(`Actual:"test string"`); - - ({ - "test string".should.not.startWith("other"); - }).should.not.throwAnyException; - - msg = ({ - "test string".should.not.startWith("test"); - }).should.throwException!TestException.msg; - - msg.split("\n")[0].should.contain(`"test string" starts with "test"`); - msg.split("\n")[2].strip.should.equal(`Expected:to not start with "test"`); - msg.split("\n")[3].strip.should.equal(`Actual:"test string"`); - - ({ - "test string".should.startWith('t'); - }).should.not.throwAnyException; - - msg = ({ - "test string".should.startWith('o'); - }).should.throwException!TestException.msg; - - msg.split("\n")[0].should.contain(`"test string" does not start with 'o'`); - msg.split("\n")[2].strip.should.equal("Expected:to start with 'o'"); - msg.split("\n")[3].strip.should.equal(`Actual:"test string"`); - - ({ - "test string".should.not.startWith('o'); - }).should.not.throwAnyException; - - msg = ({ - "test string".should.not.startWith('t'); - }).should.throwException!TestException.msg; - - msg.split("\n")[0].should.contain(`"test string" starts with 't'`); - msg.split("\n")[2].strip.should.equal(`Expected:to not start with 't'`); - msg.split("\n")[3].strip.should.equal(`Actual:"test string"`); -} - -@("string endWith") -unittest { - ({ - "test string".should.endWith("string"); - }).should.not.throwAnyException; - - auto msg = ({ - "test string".should.endWith("other"); - }).should.throwException!TestException.msg; - - msg.split("\n")[0].should.contain(`"test string" does not end with "other"`); - msg.split("\n")[2].strip.should.equal(`Expected:to end with "other"`); - msg.split("\n")[3].strip.should.equal(`Actual:"test string"`); - - ({ - "test string".should.not.endWith("other"); - }).should.not.throwAnyException; - - msg = ({ - "test string".should.not.endWith("string"); - }).should.throwException!TestException.msg; - - msg.split("\n")[0].should.equal(`"test string" should not end with "string". "test string" ends with "string".`); - msg.split("\n")[2].strip.should.equal(`Expected:to not end with "string"`); - msg.split("\n")[3].strip.should.equal(`Actual:"test string"`); - - ({ - "test string".should.endWith('g'); - }).should.not.throwAnyException; - - msg = ({ - "test string".should.endWith('t'); - }).should.throwException!TestException.msg; - - msg.split("\n")[0].should.contain(`"test string" does not end with 't'`); - msg.split("\n")[2].strip.should.equal("Expected:to end with 't'"); - msg.split("\n")[3].strip.should.equal(`Actual:"test string"`); - - ({ - "test string".should.not.endWith('w'); - }).should.not.throwAnyException; - - msg = ({ - "test string".should.not.endWith('g'); - }).should.throwException!TestException.msg; - - msg.split("\n")[0].should.contain(`"test string" ends with 'g'`); - msg.split("\n")[2].strip.should.equal("Expected:to not end with 'g'"); - msg.split("\n")[3].strip.should.equal(`Actual:"test string"`); -} - -@("string contain") -unittest { - ({ - "test string".should.contain(["string", "test"]); - "test string".should.not.contain(["other", "message"]); - }).should.not.throwAnyException; - - ({ - "test string".should.contain("string"); - "test string".should.not.contain("other"); - }).should.not.throwAnyException; - - ({ - "test string".should.contain('s'); - "test string".should.not.contain('z'); - }).should.not.throwAnyException; - - auto msg = ({ - "test string".should.contain(["other", "message"]); - }).should.throwException!TestException.msg; - - msg.split("\n")[0].should.equal(`"test string" should contain ["other", "message"]. ["other", "message"] are missing from "test string".`); - msg.split("\n")[2].strip.should.equal(`Expected:to contain all ["other", "message"]`); - msg.split("\n")[3].strip.should.equal("Actual:test string"); - - msg = ({ - "test string".should.not.contain(["test", "string"]); - }).should.throwException!TestException.msg; - - msg.split("\n")[0].should.equal(`"test string" should not contain ["test", "string"]. ["test", "string"] are present in "test string".`); - msg.split("\n")[2].strip.should.equal(`Expected:to not contain any ["test", "string"]`); - msg.split("\n")[3].strip.should.equal("Actual:test string"); - - msg = ({ - "test string".should.contain("other"); - }).should.throwException!TestException.msg; - - msg.split("\n")[0].should.equal(`"test string" should contain "other". other is missing from "test string".`); - msg.split("\n")[2].strip.should.equal(`Expected:to contain "other"`); - msg.split("\n")[3].strip.should.equal("Actual:test string"); - - msg = ({ - "test string".should.not.contain("test"); - }).should.throwException!TestException.msg; - - msg.split("\n")[0].should.equal(`"test string" should not contain "test". test is present in "test string".`); - msg.split("\n")[2].strip.should.equal(`Expected:to not contain "test"`); - msg.split("\n")[3].strip.should.equal("Actual:test string"); - - msg = ({ - "test string".should.contain('o'); - }).should.throwException!TestException.msg; - - msg.split("\n")[0].should.contain(`o is missing from "test string"`); - msg.split("\n")[2].strip.should.equal("Expected:to contain 'o'"); - msg.split("\n")[3].strip.should.equal("Actual:test string"); - - msg = ({ - "test string".should.not.contain('t'); - }).should.throwException!TestException.msg; - - msg.split("\n")[0].should.equal(`"test string" should not contain 't'. t is present in "test string".`); - msg.split("\n")[2].strip.should.equal("Expected:to not contain 't'"); - msg.split("\n")[3].strip.should.equal("Actual:test string"); -} - -@("string equal") -unittest { - ({ - "test string".should.equal("test string"); - }).should.not.throwAnyException; - - ({ - "test string".should.not.equal("test"); - }).should.not.throwAnyException; - - auto msg = ({ - "test string".should.equal("test"); - }).should.throwException!TestException.msg; - - msg.split("\n")[0].should.equal(`"test string" should equal "test". "test string" is not equal to "test". `); - - msg = ({ - "test string".should.not.equal("test string"); - }).should.throwException!TestException.msg; - - msg.split("\n")[0].should.equal(`"test string" should not equal "test string". "test string" is equal to "test string". `); -} - -@("shows null chars in the diff") -unittest { - string msg; - - try { - ubyte[] data = [115, 111, 109, 101, 32, 100, 97, 116, 97, 0, 0]; - data.assumeUTF.to!string.should.equal("some data"); - } catch(TestException e) { - msg = e.message.to!string; - } - - msg.should.contain(`Actual:"some data\0\0"`); - msg.should.contain(`data.assumeUTF.to!string should equal "some data". "some data\0\0" is not equal to "some data".`); - msg.should.contain(`some data[+\0\0]`); -} - -@("throws exceptions for delegates that return basic types") -unittest { - string value() { - throw new Exception("not implemented"); - } - - value().should.throwAnyException.withMessage.equal("not implemented"); - - string noException() { return null; } - bool thrown; - - try { - noException.should.throwAnyException; - } catch(TestException e) { - e.msg.should.startWith("noException should throw any exception. No exception was thrown."); - thrown = true; - } - - thrown.should.equal(true); -} - -@("const string equal") -unittest { - const string constValue = "test string"; - immutable string immutableValue = "test string"; - - constValue.should.equal("test string"); - immutableValue.should.equal("test string"); - - "test string".should.equal(constValue); - "test string".should.equal(immutableValue); -} diff --git a/source/fluentasserts/operations/comparison/approximately.d b/source/fluentasserts/operations/comparison/approximately.d new file mode 100644 index 00000000..bf5a8e13 --- /dev/null +++ b/source/fluentasserts/operations/comparison/approximately.d @@ -0,0 +1,338 @@ +module fluentasserts.operations.comparison.approximately; + +import fluentasserts.results.printer; +import fluentasserts.core.evaluation.eval : Evaluation; +import fluentasserts.core.memory.heapequable : HeapEquableValue; +import fluentasserts.core.listcomparison; +import fluentasserts.results.serializers.stringprocessing : parseList, cleanString; +import fluentasserts.operations.string.contain; +import fluentasserts.core.conversion.tonumeric : toNumeric; +import fluentasserts.core.memory.heapstring : HeapString, toHeapString; + +import fluentasserts.core.lifecycle; + +import std.algorithm; +import std.array; +import std.conv; +import std.math; +import std.meta : AliasSeq; + +version (unittest) { + import fluent.asserts; + import fluentasserts.core.base; + import fluentasserts.core.expect; + import fluentasserts.core.lifecycle; + import std.meta; + import std.string; +} + +static immutable approximatelyDescription = "Asserts that the target is a number that's within a given +/- `delta` range of the given number expected. However, it's often best to assert that the target is equal to its expected value."; + +/// Asserts that a numeric value is within a given delta range of the expected value. +void approximately(ref Evaluation evaluation) @trusted nothrow { + evaluation.result.addValue("±"); + evaluation.result.addValue(evaluation.expectedValue.meta["1"]); + + auto currentParsed = toNumeric!real(evaluation.currentValue.strValue); + auto expectedParsed = toNumeric!real(evaluation.expectedValue.strValue); + auto deltaParsed = toNumeric!real(toHeapString(evaluation.expectedValue.meta["1"])); + + if (!currentParsed.success || !expectedParsed.success || !deltaParsed.success) { + evaluation.conversionError("numeric"); + return; + } + + real current = currentParsed.value; + real expected = expectedParsed.value; + real delta = deltaParsed.value; + + string strExpected = evaluation.expectedValue.strValue[].idup ~ "±" ~ evaluation.expectedValue.meta["1"].idup; + string strCurrent = evaluation.currentValue.strValue[].idup; + + auto result = isClose(current, expected, 0, delta); + + if(evaluation.isNegated) { + result = !result; + } + + if(result) { + return; + } + + if(evaluation.currentValue.typeName != "bool") { + evaluation.result.addText(" "); + evaluation.result.addValue(strCurrent); + + if(evaluation.isNegated) { + evaluation.result.addText(" is approximately "); + } else { + evaluation.result.addText(" is not approximately "); + } + + evaluation.result.addValue(strExpected); + } + + evaluation.result.expected = strExpected; + evaluation.result.actual = strCurrent; + evaluation.result.negated = evaluation.isNegated; +} + +/// Asserts that each element in a numeric list is within a given delta range of its expected value. +void approximatelyList(ref Evaluation evaluation) @trusted nothrow { + evaluation.result.addValue("±" ~ evaluation.expectedValue.meta["1"].idup); + + double maxRelDiff; + real[] testData; + real[] expectedPieces; + + try { + auto currentParsed = evaluation.currentValue.strValue[].parseList; + cleanString(currentParsed); + auto expectedParsed = evaluation.expectedValue.strValue[].parseList; + cleanString(expectedParsed); + + testData = new real[currentParsed.length]; + foreach (i; 0 .. currentParsed.length) { + testData[i] = currentParsed[i][].to!real; + } + + expectedPieces = new real[expectedParsed.length]; + foreach (i; 0 .. expectedParsed.length) { + expectedPieces[i] = expectedParsed[i][].to!real; + } + + maxRelDiff = evaluation.expectedValue.meta["1"].idup.to!double; + } catch (Exception e) { + evaluation.conversionError("numeric list"); + return; + } + + auto comparison = ListComparison!real(testData, expectedPieces, maxRelDiff); + + auto missing = comparison.missing; + auto extra = comparison.extra; + auto common = comparison.common; + + bool allEqual = testData.length == expectedPieces.length; + + if(allEqual) { + foreach(i; 0..testData.length) { + allEqual = allEqual && isClose(testData[i], expectedPieces[i], 0, maxRelDiff) && true; + } + } + + import std.exception : assumeWontThrow; + + string strExpected; + string strMissing; + + if(maxRelDiff == 0) { + strExpected = evaluation.expectedValue.strValue[].idup; + strMissing = missing.length == 0 ? "" : assumeWontThrow(missing.to!string); + } else { + strMissing = "[" ~ assumeWontThrow(missing.map!(a => a.to!string ~ "±" ~ maxRelDiff.to!string).join(", ")) ~ "]"; + strExpected = "[" ~ assumeWontThrow(expectedPieces.map!(a => a.to!string ~ "±" ~ maxRelDiff.to!string).join(", ")) ~ "]"; + } + + if(!evaluation.isNegated) { + if(!allEqual) { + evaluation.result.expected = strExpected; + evaluation.result.actual = evaluation.currentValue.strValue[]; + + foreach(e; extra) { + evaluation.result.extra ~= assumeWontThrow(e.to!string ~ "±" ~ maxRelDiff.to!string); + } + + foreach(m; missing) { + evaluation.result.missing ~= assumeWontThrow(m.to!string ~ "±" ~ maxRelDiff.to!string); + } + } + } else { + if(allEqual) { + evaluation.result.expected = strExpected; + evaluation.result.actual = evaluation.currentValue.strValue[]; + evaluation.result.negated = true; + } + } +} + +// --------------------------------------------------------------------------- +// Unit tests +// --------------------------------------------------------------------------- + +alias FPTypes = AliasSeq!(float, double, real); + +static foreach (Type; FPTypes) { + @("floats casted to " ~ Type.stringof ~ " checks valid values") + unittest { + Type testValue = cast(Type) 10f / 3f; + testValue.should.be.approximately(3, 0.34); + [testValue].should.be.approximately([3], 0.34); + } + + @("floats casted to " ~ Type.stringof ~ " checks invalid values") + unittest { + Type testValue = cast(Type) 10f / 3f; + testValue.should.not.be.approximately(3, 0.24); + [testValue].should.not.be.approximately([3], 0.24); + } + + @("floats casted to " ~ Type.stringof ~ " empty string approximately 3 reports error with expected and actual") + unittest { + auto evaluation = ({ + "".should.be.approximately(3, 0.34); + }).recordEvaluation; + + expect(evaluation.result.expected[]).to.equal("valid numeric values"); + expect(evaluation.result.actual[]).to.equal("conversion error"); + } + + @(Type.stringof ~ " values approximately compares two numbers") + unittest { + Type testValue = cast(Type) 0.351; + expect(testValue).to.be.approximately(0.35, 0.01); + } + + @(Type.stringof ~ " values checks approximately with delta 0.00001") + unittest { + Type testValue = cast(Type) 0.351; + expect(testValue).to.not.be.approximately(0.35, 0.00001); + } + + @(Type.stringof ~ " values checks approximately with delta 0.0005") + unittest { + Type testValue = cast(Type) 0.351; + expect(testValue).to.not.be.approximately(0.35, 0.0005); + } + + @(Type.stringof ~ " 0.351 approximately 0.35 with delta 0.0001 reports error with expected and actual") + unittest { + Type testValue = cast(Type) 0.351; + + auto evaluation = ({ + expect(testValue).to.be.approximately(0.35, 0.0001); + }).recordEvaluation; + + expect(evaluation.result.expected[]).to.equal("0.35±0.0001"); + expect(evaluation.result.actual[]).to.equal("0.351"); + } + + @(Type.stringof ~ " 0.351 not approximately 0.351 with delta 0.0001 reports error with expected and actual") + unittest { + Type testValue = cast(Type) 0.351; + + auto evaluation = ({ + expect(testValue).to.not.be.approximately(testValue, 0.0001); + }).recordEvaluation; + + expect(evaluation.result.expected[]).to.equal(testValue.to!string ~ "±0.0001"); + expect(evaluation.result.negated).to.equal(true); + } + + @(Type.stringof ~ " lists approximately compares two lists") + unittest { + Type[] testValues = [cast(Type) 0.350, cast(Type) 0.501, cast(Type) 0.341]; + expect(testValues).to.be.approximately([0.35, 0.50, 0.34], 0.01); + } + + @(Type.stringof ~ " lists with range 0.00001 compares two lists that are not equal") + unittest { + Type[] testValues = [cast(Type) 0.350, cast(Type) 0.501, cast(Type) 0.341]; + expect(testValues).to.not.be.approximately([0.35, 0.50, 0.34], 0.00001); + } + + @(Type.stringof ~ " lists with range 0.0001 compares two lists that are not equal") + unittest { + Type[] testValues = [cast(Type) 0.350, cast(Type) 0.501, cast(Type) 0.341]; + expect(testValues).to.not.be.approximately([0.35, 0.50, 0.34], 0.0001); + } + + @(Type.stringof ~ " lists with range 0.001 compares two lists with different lengths") + unittest { + Type[] testValues = [cast(Type) 0.350, cast(Type) 0.501, cast(Type) 0.341]; + expect(testValues).to.not.be.approximately([0.35, 0.50], 0.001); + } + + @(Type.stringof ~ " list approximately with delta 0.0001 reports error with expected and missing") + unittest { + Type[] testValues = [cast(Type) 0.350, cast(Type) 0.501, cast(Type) 0.341]; + + auto evaluation = ({ + expect(testValues).to.be.approximately([0.35, 0.50, 0.34], 0.0001); + }).recordEvaluation; + + expect(evaluation.result.expected[]).to.equal("[0.35±0.0001, 0.5±0.0001, 0.34±0.0001]"); + expect(evaluation.result.missing.length).to.equal(2); + } + + @(Type.stringof ~ " list not approximately with delta 0.0001 reports error with expected and negated") + unittest { + Type[] testValues = [cast(Type) 0.350, cast(Type) 0.501, cast(Type) 0.341]; + + auto evaluation = ({ + expect(testValues).to.not.be.approximately(testValues, 0.0001); + }).recordEvaluation; + + expect(evaluation.result.expected[]).to.equal("[0.35±0.0001, 0.501±0.0001, 0.341±0.0001]"); + expect(evaluation.result.negated).to.equal(true); + } +} + +@("lazy array throwing in approximately propagates the exception") +unittest { + Lifecycle.instance.disableFailureHandling = false; + int[] someLazyArray() { + throw new Exception("This is it."); + } + + ({ + someLazyArray.should.approximately([], 3); + }).should.throwAnyException.withMessage("This is it."); +} + +@("float array approximately equal within tolerance succeeds") +unittest { + [0.350, 0.501, 0.341].should.be.approximately([0.35, 0.50, 0.34], 0.01); +} + +@("float array not approximately equal outside tolerance succeeds") +unittest { + [0.350, 0.501, 0.341].should.not.be.approximately([0.35, 0.50, 0.34], 0.00001); +} + +@("float array not approximately equal reordered succeeds") +unittest { + [0.350, 0.501, 0.341].should.not.be.approximately([0.501, 0.350, 0.341], 0.001); +} + +@("float array not approximately equal shorter expected succeeds") +unittest { + [0.350, 0.501, 0.341].should.not.be.approximately([0.350, 0.501], 0.001); +} + +@("float array not approximately equal longer expected succeeds") +unittest { + [0.350, 0.501].should.not.be.approximately([0.350, 0.501, 0.341], 0.001); +} + +@("float array approximately equal outside tolerance reports expected with tolerance") +unittest { + auto evaluation = ({ + [0.350, 0.501, 0.341].should.be.approximately([0.35, 0.50, 0.34], 0.0001); + }).recordEvaluation; + + evaluation.result.expected[].should.equal("[0.35±0.0001, 0.5±0.0001, 0.34±0.0001]"); + evaluation.result.missing.length.should.equal(2); +} + +@("Assert.approximately array succeeds") +unittest { + Lifecycle.instance.disableFailureHandling = false; + Assert.approximately([0.350, 0.501, 0.341], [0.35, 0.50, 0.34], 0.01); +} + +@("Assert.notApproximately array succeeds") +unittest { + Lifecycle.instance.disableFailureHandling = false; + Assert.notApproximately([0.350, 0.501, 0.341], [0.350, 0.501], 0.0001); +} diff --git a/source/fluentasserts/operations/comparison/between.d b/source/fluentasserts/operations/comparison/between.d new file mode 100644 index 00000000..734ae737 --- /dev/null +++ b/source/fluentasserts/operations/comparison/between.d @@ -0,0 +1,374 @@ +module fluentasserts.operations.comparison.between; + +import fluentasserts.results.printer; +import fluentasserts.core.evaluation.eval : Evaluation; +import fluentasserts.core.conversion.tonumeric : toNumeric; +import fluentasserts.core.memory.heapstring : toHeapString; + +import fluentasserts.core.lifecycle; + +import std.conv; +import std.datetime; +import std.meta : AliasSeq; + +version (unittest) { + import fluent.asserts; + import fluentasserts.core.expect; + import fluentasserts.core.lifecycle; + import std.meta; + import std.string; +} + +static immutable betweenDescription = "Asserts that the target is a number or a date greater than or equal to the given number or date start, " ~ + "and less than or equal to the given number or date finish respectively. However, it's often best to assert that the target is equal to its expected value."; + +/// Asserts that a value is strictly between two bounds (exclusive). +void between(T)(ref Evaluation evaluation) @safe nothrow { + evaluation.result.addText(" and "); + evaluation.result.addValue(evaluation.expectedValue.meta["1"]); + + auto currentParsed = toNumeric!T(evaluation.currentValue.strValue); + auto limit1Parsed = toNumeric!T(evaluation.expectedValue.strValue); + auto limit2Parsed = toNumeric!T(toHeapString(evaluation.expectedValue.meta["1"])); + + if (!currentParsed.success || !limit1Parsed.success || !limit2Parsed.success) { + evaluation.conversionError(T.stringof); + return; + } + + betweenResults(currentParsed.value, limit1Parsed.value, limit2Parsed.value, + evaluation.expectedValue.strValue[], evaluation.expectedValue.meta["1"], evaluation); +} + +/// Asserts that a Duration value is strictly between two bounds (exclusive). +void betweenDuration(ref Evaluation evaluation) @safe nothrow { + evaluation.result.addText(" and "); + + auto currentParsed = toNumeric!ulong(evaluation.currentValue.strValue); + auto limit1Parsed = toNumeric!ulong(evaluation.expectedValue.strValue); + auto limit2Parsed = toNumeric!ulong(toHeapString(evaluation.expectedValue.meta["1"])); + + if (!currentParsed.success || !limit1Parsed.success || !limit2Parsed.success) { + evaluation.conversionError("Duration"); + return; + } + + Duration currentValue = dur!"nsecs"(currentParsed.value); + Duration limit1 = dur!"nsecs"(limit1Parsed.value); + Duration limit2 = dur!"nsecs"(limit2Parsed.value); + + // Format Duration values nicely (requires allocation, can't be @nogc) + string strLimit1, strLimit2; + try { + strLimit1 = limit1.to!string; + strLimit2 = limit2.to!string; + } catch (Exception) { + evaluation.conversionError("Duration"); + return; + } + + evaluation.result.addValue(strLimit2); + + betweenResultsDuration(currentValue, limit1, limit2, strLimit1, strLimit2, evaluation); +} + +/// Asserts that a SysTime value is strictly between two bounds (exclusive). +void betweenSysTime(ref Evaluation evaluation) @safe nothrow { + evaluation.result.addText(" and "); + + SysTime currentValue; + SysTime limit1; + SysTime limit2; + + try { + currentValue = SysTime.fromISOExtString(evaluation.currentValue.strValue[]); + limit1 = SysTime.fromISOExtString(evaluation.expectedValue.strValue[]); + limit2 = SysTime.fromISOExtString(evaluation.expectedValue.meta["1"]); + + evaluation.result.addValue(limit2.toISOExtString); + } catch (Exception e) { + evaluation.conversionError("SysTime"); + return; + } + + betweenResults(currentValue, limit1, limit2, + evaluation.expectedValue.strValue[], evaluation.expectedValue.meta["1"], evaluation); +} + +/// Helper for Duration between - separate because Duration formatting can't be @nogc +private void betweenResultsDuration(Duration currentValue, Duration limit1, Duration limit2, + string strLimit1, string strLimit2, ref Evaluation evaluation) @safe nothrow { + Duration min = limit1 < limit2 ? limit1 : limit2; + Duration max = limit1 > limit2 ? limit1 : limit2; + + auto isLess = currentValue <= min; + auto isGreater = currentValue >= max; + auto isBetween = !isLess && !isGreater; + + string minStr = limit1 < limit2 ? strLimit1 : strLimit2; + string maxStr = limit1 > limit2 ? strLimit1 : strLimit2; + + if (!evaluation.isNegated) { + if (!isBetween) { + evaluation.result.addValue(evaluation.currentValue.niceValue[]); + + if (isGreater) { + evaluation.result.addText(" is greater than or equal to "); + evaluation.result.addValue(maxStr); + } + + if (isLess) { + evaluation.result.addText(" is less than or equal to "); + evaluation.result.addValue(minStr); + } + + evaluation.result.expected.put("a value inside ("); + evaluation.result.expected.put(minStr); + evaluation.result.expected.put(", "); + evaluation.result.expected.put(maxStr); + evaluation.result.expected.put(") interval"); + evaluation.result.actual.put(evaluation.currentValue.niceValue[]); + } + } else if (isBetween) { + evaluation.result.expected.put("a value outside ("); + evaluation.result.expected.put(minStr); + evaluation.result.expected.put(", "); + evaluation.result.expected.put(maxStr); + evaluation.result.expected.put(") interval"); + evaluation.result.actual.put(evaluation.currentValue.niceValue[]); + evaluation.result.negated = true; + } +} + +private void betweenResults(T)(T currentValue, T limit1, T limit2, + const(char)[] strMin, const(char)[] strMax, ref Evaluation evaluation) @safe nothrow @nogc { + T min = limit1 < limit2 ? limit1 : limit2; + T max = limit1 > limit2 ? limit1 : limit2; + + auto isLess = currentValue <= min; + auto isGreater = currentValue >= max; + auto isBetween = !isLess && !isGreater; + + // Determine which string is min/max based on value comparison + const(char)[] minStr = limit1 < limit2 ? strMin : strMax; + const(char)[] maxStr = limit1 > limit2 ? strMin : strMax; + + if (!evaluation.isNegated) { + if (!isBetween) { + evaluation.result.addValue(evaluation.currentValue.niceValue[]); + + if (isGreater) { + evaluation.result.addText(" is greater than or equal to "); + evaluation.result.addValue(maxStr); + } + + if (isLess) { + evaluation.result.addText(" is less than or equal to "); + evaluation.result.addValue(minStr); + } + + evaluation.result.expected.put("a value inside ("); + evaluation.result.expected.put(minStr); + evaluation.result.expected.put(", "); + evaluation.result.expected.put(maxStr); + evaluation.result.expected.put(") interval"); + evaluation.result.actual.put(evaluation.currentValue.niceValue[]); + } + } else if (isBetween) { + evaluation.result.expected.put("a value outside ("); + evaluation.result.expected.put(minStr); + evaluation.result.expected.put(", "); + evaluation.result.expected.put(maxStr); + evaluation.result.expected.put(") interval"); + evaluation.result.actual.put(evaluation.currentValue.niceValue[]); + evaluation.result.negated = true; + } +} + +// --------------------------------------------------------------------------- +// Unit tests +// --------------------------------------------------------------------------- + +alias NumericTypes = AliasSeq!(byte, ubyte, short, ushort, int, uint, long, ulong, float, double, real); + +static foreach (Type; NumericTypes) { + @(Type.stringof ~ " value is inside an interval") + unittest { + Type smallValue = cast(Type) 40; + Type largeValue = cast(Type) 50; + Type middleValue = cast(Type) 45; + expect(middleValue).to.be.between(smallValue, largeValue); + expect(middleValue).to.be.between(largeValue, smallValue); + expect(middleValue).to.be.within(smallValue, largeValue); + } + + @(Type.stringof ~ " value is outside an interval") + unittest { + Type smallValue = cast(Type) 40; + Type largeValue = cast(Type) 50; + expect(largeValue).to.not.be.between(smallValue, largeValue); + expect(largeValue).to.not.be.between(largeValue, smallValue); + expect(largeValue).to.not.be.within(smallValue, largeValue); + } + + @(Type.stringof ~ " 50 between 40 and 50 reports error with expected and actual") + unittest { + Type smallValue = cast(Type) 40; + Type largeValue = cast(Type) 50; + + auto evaluation = ({ + expect(largeValue).to.be.between(smallValue, largeValue); + }).recordEvaluation; + + expect(evaluation.result.expected[]).to.equal("a value inside (" ~ smallValue.to!string ~ ", " ~ largeValue.to!string ~ ") interval"); + expect(evaluation.result.actual[]).to.equal(largeValue.to!string); + } + + @(Type.stringof ~ " 40 between 40 and 50 reports error with expected and actual") + unittest { + Type smallValue = cast(Type) 40; + Type largeValue = cast(Type) 50; + + auto evaluation = ({ + expect(smallValue).to.be.between(smallValue, largeValue); + }).recordEvaluation; + + expect(evaluation.result.expected[]).to.equal("a value inside (" ~ smallValue.to!string ~ ", " ~ largeValue.to!string ~ ") interval"); + expect(evaluation.result.actual[]).to.equal(smallValue.to!string); + } + + @(Type.stringof ~ " 45 not between 40 and 50 reports error with expected and actual") + unittest { + Type smallValue = cast(Type) 40; + Type largeValue = cast(Type) 50; + Type middleValue = cast(Type) 45; + + auto evaluation = ({ + expect(middleValue).to.not.be.between(smallValue, largeValue); + }).recordEvaluation; + + expect(evaluation.result.expected[]).to.equal("a value outside (" ~ smallValue.to!string ~ ", " ~ largeValue.to!string ~ ") interval"); + expect(evaluation.result.actual[]).to.equal(middleValue.to!string); + expect(evaluation.result.negated).to.equal(true); + } +} + +@("Duration value is inside an interval") +unittest { + Duration smallValue = 40.seconds; + Duration largeValue = 50.seconds; + Duration middleValue = 45.seconds; + expect(middleValue).to.be.between(smallValue, largeValue); + expect(middleValue).to.be.between(largeValue, smallValue); + expect(middleValue).to.be.within(smallValue, largeValue); +} + +@("Duration value is outside an interval") +unittest { + Duration smallValue = 40.seconds; + Duration largeValue = 50.seconds; + expect(largeValue).to.not.be.between(smallValue, largeValue); + expect(largeValue).to.not.be.between(largeValue, smallValue); + expect(largeValue).to.not.be.within(smallValue, largeValue); +} + +@("Duration 50s between 40s and 50s reports error with expected and actual") +unittest { + Duration smallValue = 40.seconds; + Duration largeValue = 50.seconds; + + auto evaluation = ({ + expect(largeValue).to.be.between(smallValue, largeValue); + }).recordEvaluation; + + expect(evaluation.result.expected[]).to.equal("a value inside (" ~ smallValue.to!string ~ ", " ~ largeValue.to!string ~ ") interval"); + expect(evaluation.result.actual[]).to.equal(largeValue.to!string); +} + +@("Duration 40s between 40s and 50s reports error with expected and actual") +unittest { + Duration smallValue = 40.seconds; + Duration largeValue = 50.seconds; + + auto evaluation = ({ + expect(smallValue).to.be.between(smallValue, largeValue); + }).recordEvaluation; + + expect(evaluation.result.expected[]).to.equal("a value inside (" ~ smallValue.to!string ~ ", " ~ largeValue.to!string ~ ") interval"); + expect(evaluation.result.actual[]).to.equal(smallValue.to!string); +} + +@("Duration 45s not between 40s and 50s reports error with expected and actual") +unittest { + Duration smallValue = 40.seconds; + Duration largeValue = 50.seconds; + Duration middleValue = 45.seconds; + + auto evaluation = ({ + expect(middleValue).to.not.be.between(smallValue, largeValue); + }).recordEvaluation; + + expect(evaluation.result.expected[]).to.equal("a value outside (" ~ smallValue.to!string ~ ", " ~ largeValue.to!string ~ ") interval"); + expect(evaluation.result.actual[]).to.equal(middleValue.to!string); + expect(evaluation.result.negated).to.equal(true); +} + +@("SysTime value is inside an interval") +unittest { + SysTime smallValue = Clock.currTime; + SysTime largeValue = Clock.currTime + 40.seconds; + SysTime middleValue = Clock.currTime + 35.seconds; + expect(middleValue).to.be.between(smallValue, largeValue); + expect(middleValue).to.be.between(largeValue, smallValue); + expect(middleValue).to.be.within(smallValue, largeValue); +} + +@("SysTime value is outside an interval") +unittest { + SysTime smallValue = Clock.currTime; + SysTime largeValue = Clock.currTime + 40.seconds; + expect(largeValue).to.not.be.between(smallValue, largeValue); + expect(largeValue).to.not.be.between(largeValue, smallValue); + expect(largeValue).to.not.be.within(smallValue, largeValue); +} + +@("SysTime larger between smaller and larger reports error with expected and actual") +unittest { + SysTime smallValue = Clock.currTime; + SysTime largeValue = Clock.currTime + 40.seconds; + + auto evaluation = ({ + expect(largeValue).to.be.between(smallValue, largeValue); + }).recordEvaluation; + + expect(evaluation.result.expected[]).to.equal("a value inside (" ~ smallValue.toISOExtString ~ ", " ~ largeValue.toISOExtString ~ ") interval"); + expect(evaluation.result.actual[]).to.equal(largeValue.toISOExtString); +} + +@("SysTime smaller between smaller and larger reports error with expected and actual") +unittest { + SysTime smallValue = Clock.currTime; + SysTime largeValue = Clock.currTime + 40.seconds; + + auto evaluation = ({ + expect(smallValue).to.be.between(smallValue, largeValue); + }).recordEvaluation; + + expect(evaluation.result.expected[]).to.equal("a value inside (" ~ smallValue.toISOExtString ~ ", " ~ largeValue.toISOExtString ~ ") interval"); + expect(evaluation.result.actual[]).to.equal(smallValue.toISOExtString); +} + +@("SysTime middle not between smaller and larger reports error with expected and actual") +unittest { + SysTime smallValue = Clock.currTime; + SysTime largeValue = Clock.currTime + 40.seconds; + SysTime middleValue = Clock.currTime + 35.seconds; + + auto evaluation = ({ + expect(middleValue).to.not.be.between(smallValue, largeValue); + }).recordEvaluation; + + expect(evaluation.result.expected[]).to.equal("a value outside (" ~ smallValue.toISOExtString ~ ", " ~ largeValue.toISOExtString ~ ") interval"); + expect(evaluation.result.actual[]).to.equal(middleValue.toISOExtString); + expect(evaluation.result.negated).to.equal(true); +} diff --git a/source/fluentasserts/operations/comparison/greaterOrEqualTo.d b/source/fluentasserts/operations/comparison/greaterOrEqualTo.d new file mode 100644 index 00000000..71dbe1cc --- /dev/null +++ b/source/fluentasserts/operations/comparison/greaterOrEqualTo.d @@ -0,0 +1,184 @@ +module fluentasserts.operations.comparison.greaterOrEqualTo; + +import fluentasserts.results.printer; +import fluentasserts.core.evaluation.eval : Evaluation; +import fluentasserts.core.conversion.tonumeric : toNumeric; + +import fluentasserts.core.lifecycle; + +import std.datetime; +import std.meta : AliasSeq; + +version (unittest) { + import fluent.asserts; + import fluentasserts.core.expect; + import fluentasserts.core.lifecycle; + import std.conv : to; + import std.meta; + import std.string; +} + +static immutable greaterOrEqualToDescription = "Asserts that the tested value is greater or equal than the tested value. However, it's often best to assert that the target is equal to its expected value."; + +void greaterOrEqualTo(T)(ref Evaluation evaluation) @safe nothrow @nogc { + auto expected = toNumeric!T(evaluation.expectedValue.strValue); + auto current = toNumeric!T(evaluation.currentValue.strValue); + + if (!expected.success || !current.success) { + evaluation.conversionError(T.stringof); + return; + } + + evaluation.check( + current.value >= expected.value, + "greater or equal than ", + evaluation.expectedValue.strValue[], + "less than " + ); +} + +void greaterOrEqualToDuration(ref Evaluation evaluation) @safe nothrow @nogc { + Duration currentDur, expectedDur; + if (!evaluation.parseDurations(currentDur, expectedDur)) { + return; + } + + evaluation.check( + currentDur >= expectedDur, + "greater or equal than ", + evaluation.expectedValue.niceValue[], + "less than " + ); +} + +void greaterOrEqualToSysTime(ref Evaluation evaluation) @safe nothrow { + SysTime currentTime, expectedTime; + if (!evaluation.parseSysTimes(currentTime, expectedTime)) { + return; + } + + evaluation.check( + currentTime >= expectedTime, + "greater or equal than ", + evaluation.expectedValue.strValue[], + "less than " + ); +} + +// --------------------------------------------------------------------------- +// Unit tests +// Issue #93: greaterOrEqualTo operation for numeric types +// --------------------------------------------------------------------------- + +alias NumericTypes = AliasSeq!(byte, ubyte, short, ushort, int, uint, long, ulong, float, double, real); + +static foreach (Type; NumericTypes) { + @(Type.stringof ~ " compares two values") + unittest { + Type smallValue = cast(Type) 40; + Type largeValue = cast(Type) 50; + expect(largeValue).to.be.greaterOrEqualTo(smallValue); + expect(largeValue).to.be.greaterOrEqualTo(largeValue); + } + + @(Type.stringof ~ " compares two values using negation") + unittest { + Type smallValue = cast(Type) 40; + Type largeValue = cast(Type) 50; + expect(smallValue).not.to.be.greaterOrEqualTo(largeValue); + } + + @(Type.stringof ~ " 40 greaterOrEqualTo 50 reports error with expected and actual") + unittest { + Type smallValue = cast(Type) 40; + Type largeValue = cast(Type) 50; + + auto evaluation = ({ + expect(smallValue).to.be.greaterOrEqualTo(largeValue); + }).recordEvaluation; + + expect(evaluation.result.expected[]).to.equal("greater or equal than " ~ largeValue.to!string); + expect(evaluation.result.actual[]).to.equal(smallValue.to!string); + } + + @(Type.stringof ~ " 50 not greaterOrEqualTo 40 reports error with expected and actual") + unittest { + Type smallValue = cast(Type) 40; + Type largeValue = cast(Type) 50; + + auto evaluation = ({ + expect(largeValue).not.to.be.greaterOrEqualTo(smallValue); + }).recordEvaluation; + + expect(evaluation.result.expected[]).to.equal("less than " ~ smallValue.to!string); + expect(evaluation.result.actual[]).to.equal(largeValue.to!string); + } +} + +@("Duration compares two values") +unittest { + Duration smallValue = 40.seconds; + Duration largeValue = 41.seconds; + expect(largeValue).to.be.greaterOrEqualTo(smallValue); +} + +@("Duration compares two values using negation") +unittest { + Duration smallValue = 40.seconds; + Duration largeValue = 41.seconds; + expect(smallValue).not.to.be.greaterOrEqualTo(largeValue); +} + +@("Duration compares equal values") +unittest { + Duration smallValue = 40.seconds; + expect(smallValue).to.be.greaterOrEqualTo(smallValue); +} + +@("Duration 41s not greaterOrEqualTo 40s reports error with expected and actual") +unittest { + Duration smallValue = 40.seconds; + Duration largeValue = 41.seconds; + + auto evaluation = ({ + expect(largeValue).not.to.be.greaterOrEqualTo(smallValue); + }).recordEvaluation; + + expect(evaluation.result.expected[]).to.equal("less than " ~ smallValue.to!string); + expect(evaluation.result.actual[]).to.equal(largeValue.to!string); +} + +@("SysTime compares two values") +unittest { + SysTime smallValue = Clock.currTime; + SysTime largeValue = smallValue + 4.seconds; + expect(largeValue).to.be.greaterOrEqualTo(smallValue); + expect(largeValue).to.be.above(smallValue); +} + +@("SysTime compares two values using negation") +unittest { + SysTime smallValue = Clock.currTime; + SysTime largeValue = smallValue + 4.seconds; + expect(smallValue).not.to.be.greaterOrEqualTo(largeValue); + expect(smallValue).not.to.be.above(largeValue); +} + +@("SysTime compares equal values") +unittest { + SysTime smallValue = Clock.currTime; + expect(smallValue).to.be.greaterOrEqualTo(smallValue); +} + +@("SysTime larger not greaterOrEqualTo smaller reports error with expected and actual") +unittest { + SysTime smallValue = Clock.currTime; + SysTime largeValue = smallValue + 4.seconds; + + auto evaluation = ({ + expect(largeValue).not.to.be.greaterOrEqualTo(smallValue); + }).recordEvaluation; + + expect(evaluation.result.expected[]).to.equal("less than " ~ smallValue.toISOExtString); + expect(evaluation.result.actual[]).to.equal(largeValue.toISOExtString); +} diff --git a/source/fluentasserts/operations/comparison/greaterThan.d b/source/fluentasserts/operations/comparison/greaterThan.d new file mode 100644 index 00000000..e36c80e1 --- /dev/null +++ b/source/fluentasserts/operations/comparison/greaterThan.d @@ -0,0 +1,210 @@ +module fluentasserts.operations.comparison.greaterThan; + +import fluentasserts.results.printer; +import fluentasserts.core.evaluation.eval : Evaluation; +import fluentasserts.core.conversion.tonumeric : toNumeric; + +import fluentasserts.core.lifecycle; + +import std.datetime; +import std.meta : AliasSeq; + +version (unittest) { + import fluent.asserts; + import fluentasserts.core.expect; + import fluentasserts.core.lifecycle; + import std.conv : to; + import std.meta; + import std.string; +} + +static immutable greaterThanDescription = "Asserts that the tested value is greater than the tested value. However, it's often best to assert that the target is equal to its expected value."; + +void greaterThan(T)(ref Evaluation evaluation) @safe nothrow @nogc { + auto expected = toNumeric!T(evaluation.expectedValue.strValue); + auto current = toNumeric!T(evaluation.currentValue.strValue); + + if (!expected.success || !current.success) { + evaluation.conversionError(T.stringof); + return; + } + + evaluation.check( + current.value > expected.value, + "greater than ", + evaluation.expectedValue.strValue[], + "less than or equal to " + ); +} + +void greaterThanDuration(ref Evaluation evaluation) @safe nothrow @nogc { + Duration currentDur, expectedDur; + if (!evaluation.parseDurations(currentDur, expectedDur)) { + return; + } + + evaluation.check( + currentDur > expectedDur, + "greater than ", + evaluation.expectedValue.niceValue[], + "less than or equal to " + ); +} + +void greaterThanSysTime(ref Evaluation evaluation) @safe nothrow { + SysTime currentTime, expectedTime; + if (!evaluation.parseSysTimes(currentTime, expectedTime)) { + return; + } + + evaluation.check( + currentTime > expectedTime, + "greater than ", + evaluation.expectedValue.strValue[], + "less than or equal to " + ); +} + +// --------------------------------------------------------------------------- +// Unit tests +// --------------------------------------------------------------------------- + +alias NumericTypes = AliasSeq!(byte, ubyte, short, ushort, int, uint, long, ulong, float, double, real); + +static foreach (Type; NumericTypes) { + @(Type.stringof ~ " compares two values") + unittest { + Type smallValue = cast(Type) 40; + Type largeValue = cast(Type) 50; + expect(largeValue).to.be.greaterThan(smallValue); + expect(largeValue).to.be.above(smallValue); + } + + @(Type.stringof ~ " compares two values using negation") + unittest { + Type smallValue = cast(Type) 40; + Type largeValue = cast(Type) 50; + expect(smallValue).not.to.be.greaterThan(largeValue); + expect(smallValue).not.to.be.above(largeValue); + } + + @(Type.stringof ~ " 40 greaterThan 40 reports error with expected and actual") + unittest { + Type smallValue = cast(Type) 40; + + auto evaluation = ({ + expect(smallValue).to.be.greaterThan(smallValue); + }).recordEvaluation; + + expect(evaluation.result.expected[]).to.equal("greater than " ~ smallValue.to!string); + expect(evaluation.result.actual[]).to.equal(smallValue.to!string); + } + + @(Type.stringof ~ " 40 greaterThan 50 reports error with expected and actual") + unittest { + Type smallValue = cast(Type) 40; + Type largeValue = cast(Type) 50; + + auto evaluation = ({ + expect(smallValue).to.be.greaterThan(largeValue); + }).recordEvaluation; + + expect(evaluation.result.expected[]).to.equal("greater than " ~ largeValue.to!string); + expect(evaluation.result.actual[]).to.equal(smallValue.to!string); + } + + @(Type.stringof ~ " 50 not greaterThan 40 reports error with expected and actual") + unittest { + Type smallValue = cast(Type) 40; + Type largeValue = cast(Type) 50; + + auto evaluation = ({ + expect(largeValue).not.to.be.greaterThan(smallValue); + }).recordEvaluation; + + expect(evaluation.result.expected[]).to.equal("less than or equal to " ~ smallValue.to!string); + expect(evaluation.result.actual[]).to.equal(largeValue.to!string); + } +} + +@("Duration compares two values") +unittest { + Duration smallValue = 40.seconds; + Duration largeValue = 41.seconds; + expect(largeValue).to.be.greaterThan(smallValue); + expect(largeValue).to.be.above(smallValue); +} + +@("Duration compares two values using negation") +unittest { + Duration smallValue = 40.seconds; + Duration largeValue = 41.seconds; + expect(smallValue).not.to.be.greaterThan(largeValue); + expect(smallValue).not.to.be.above(largeValue); +} + +@("Duration 40s greaterThan 40s reports error with expected and actual") +unittest { + Duration smallValue = 40.seconds; + + auto evaluation = ({ + expect(smallValue).to.be.greaterThan(smallValue); + }).recordEvaluation; + + expect(evaluation.result.expected[]).to.equal("greater than " ~ smallValue.to!string); + expect(evaluation.result.actual[]).to.equal(smallValue.to!string); +} + +@("Duration 41s not greaterThan 40s reports error with expected and actual") +unittest { + Duration smallValue = 40.seconds; + Duration largeValue = 41.seconds; + + auto evaluation = ({ + expect(largeValue).not.to.be.greaterThan(smallValue); + }).recordEvaluation; + + expect(evaluation.result.expected[]).to.equal("less than or equal to " ~ smallValue.to!string); + expect(evaluation.result.actual[]).to.equal(largeValue.to!string); +} + +@("SysTime compares two values") +unittest { + SysTime smallValue = Clock.currTime; + SysTime largeValue = smallValue + 4.seconds; + expect(largeValue).to.be.greaterThan(smallValue); + expect(largeValue).to.be.above(smallValue); +} + +@("SysTime compares two values using negation") +unittest { + SysTime smallValue = Clock.currTime; + SysTime largeValue = smallValue + 4.seconds; + expect(smallValue).not.to.be.greaterThan(largeValue); + expect(smallValue).not.to.be.above(largeValue); +} + +@("SysTime greaterThan itself reports error with expected and actual") +unittest { + SysTime smallValue = Clock.currTime; + + auto evaluation = ({ + expect(smallValue).to.be.greaterThan(smallValue); + }).recordEvaluation; + + expect(evaluation.result.expected[]).to.equal("greater than " ~ smallValue.toISOExtString); + expect(evaluation.result.actual[]).to.equal(smallValue.toISOExtString); +} + +@("SysTime larger not greaterThan smaller reports error with expected and actual") +unittest { + SysTime smallValue = Clock.currTime; + SysTime largeValue = smallValue + 4.seconds; + + auto evaluation = ({ + expect(largeValue).not.to.be.greaterThan(smallValue); + }).recordEvaluation; + + expect(evaluation.result.expected[]).to.equal("less than or equal to " ~ smallValue.toISOExtString); + expect(evaluation.result.actual[]).to.equal(largeValue.toISOExtString); +} diff --git a/source/fluentasserts/operations/comparison/lessOrEqualTo.d b/source/fluentasserts/operations/comparison/lessOrEqualTo.d new file mode 100644 index 00000000..486c175b --- /dev/null +++ b/source/fluentasserts/operations/comparison/lessOrEqualTo.d @@ -0,0 +1,198 @@ +module fluentasserts.operations.comparison.lessOrEqualTo; + +import fluentasserts.results.printer; +import fluentasserts.core.evaluation.eval : Evaluation; +import fluentasserts.core.conversion.tonumeric : toNumeric; + +import fluentasserts.core.lifecycle; + +import std.datetime; +import std.meta : AliasSeq; + +version (unittest) { + import fluent.asserts; + import fluentasserts.core.expect; + import fluentasserts.core.lifecycle; + import std.conv : to; + import std.meta; + import std.string; +} + +static immutable lessOrEqualToDescription = "Asserts that the tested value is less or equal than the tested value. However, it's often best to assert that the target is equal to its expected value."; + +void lessOrEqualTo(T)(ref Evaluation evaluation) @safe nothrow @nogc { + auto expected = toNumeric!T(evaluation.expectedValue.strValue); + auto current = toNumeric!T(evaluation.currentValue.strValue); + + if (!expected.success || !current.success) { + evaluation.conversionError(T.stringof); + return; + } + + evaluation.check( + current.value <= expected.value, + "less or equal to ", + evaluation.expectedValue.strValue[], + "greater than " + ); +} + +void lessOrEqualToDuration(ref Evaluation evaluation) @safe nothrow @nogc { + Duration currentDur, expectedDur; + if (!evaluation.parseDurations(currentDur, expectedDur)) { + return; + } + + evaluation.check( + currentDur <= expectedDur, + "less or equal to ", + evaluation.expectedValue.niceValue[], + "greater than " + ); +} + +void lessOrEqualToSysTime(ref Evaluation evaluation) @safe nothrow { + SysTime currentTime, expectedTime; + if (!evaluation.parseSysTimes(currentTime, expectedTime)) { + return; + } + + evaluation.check( + currentTime <= expectedTime, + "less or equal to ", + evaluation.expectedValue.strValue[], + "greater than " + ); +} + +// --------------------------------------------------------------------------- +// Unit tests +// Issue #93: lessOrEqualTo operation for numeric types +// --------------------------------------------------------------------------- + +alias NumericTypes = AliasSeq!(byte, ubyte, short, ushort, int, uint, long, ulong, float, double, real); + +static foreach (Type; NumericTypes) { + @(Type.stringof ~ " compares two values") + unittest { + Type smallValue = cast(Type) 40; + Type largeValue = cast(Type) 50; + expect(smallValue).to.be.lessOrEqualTo(largeValue); + expect(smallValue).to.be.lessOrEqualTo(smallValue); + } + + @(Type.stringof ~ " compares two values using negation") + unittest { + Type smallValue = cast(Type) 40; + Type largeValue = cast(Type) 50; + expect(largeValue).not.to.be.lessOrEqualTo(smallValue); + } + + @(Type.stringof ~ " 50 lessOrEqualTo 40 reports error with expected and actual") + unittest { + Type smallValue = cast(Type) 40; + Type largeValue = cast(Type) 50; + + auto evaluation = ({ + expect(largeValue).to.be.lessOrEqualTo(smallValue); + }).recordEvaluation; + + expect(evaluation.result.expected[]).to.equal("less or equal to " ~ smallValue.to!string); + expect(evaluation.result.actual[]).to.equal(largeValue.to!string); + } + + @(Type.stringof ~ " 40 not lessOrEqualTo 50 reports error with expected and actual") + unittest { + Type smallValue = cast(Type) 40; + Type largeValue = cast(Type) 50; + + auto evaluation = ({ + expect(smallValue).not.to.be.lessOrEqualTo(largeValue); + }).recordEvaluation; + + expect(evaluation.result.expected[]).to.equal("greater than " ~ largeValue.to!string); + expect(evaluation.result.actual[]).to.equal(smallValue.to!string); + } +} + +@("Duration compares two values") +unittest { + Duration smallValue = 40.seconds; + Duration largeValue = 50.seconds; + expect(smallValue).to.be.lessOrEqualTo(largeValue); + expect(smallValue).to.be.lessOrEqualTo(smallValue); +} + +@("Duration compares two values using negation") +unittest { + Duration smallValue = 40.seconds; + Duration largeValue = 50.seconds; + expect(largeValue).not.to.be.lessOrEqualTo(smallValue); +} + +@("Duration 50s lessOrEqualTo 40s reports error with expected and actual") +unittest { + Duration smallValue = 40.seconds; + Duration largeValue = 50.seconds; + + auto evaluation = ({ + expect(largeValue).to.be.lessOrEqualTo(smallValue); + }).recordEvaluation; + + expect(evaluation.result.expected[]).to.equal("less or equal to " ~ smallValue.to!string); + expect(evaluation.result.actual[]).to.equal(largeValue.to!string); +} + +@("Duration 40s not lessOrEqualTo 50s reports error with expected and actual") +unittest { + Duration smallValue = 40.seconds; + Duration largeValue = 50.seconds; + + auto evaluation = ({ + expect(smallValue).not.to.be.lessOrEqualTo(largeValue); + }).recordEvaluation; + + expect(evaluation.result.expected[]).to.equal("greater than " ~ largeValue.to!string); + expect(evaluation.result.actual[]).to.equal(smallValue.to!string); +} + +@("SysTime compares two values") +unittest { + SysTime smallValue = Clock.currTime; + SysTime largeValue = smallValue + 4.seconds; + expect(smallValue).to.be.lessOrEqualTo(largeValue); + expect(smallValue).to.be.lessOrEqualTo(smallValue); +} + +@("SysTime compares two values using negation") +unittest { + SysTime smallValue = Clock.currTime; + SysTime largeValue = smallValue + 4.seconds; + expect(largeValue).not.to.be.lessOrEqualTo(smallValue); +} + +@("SysTime larger lessOrEqualTo smaller reports error with expected and actual") +unittest { + SysTime smallValue = Clock.currTime; + SysTime largeValue = smallValue + 4.seconds; + + auto evaluation = ({ + expect(largeValue).to.be.lessOrEqualTo(smallValue); + }).recordEvaluation; + + expect(evaluation.result.expected[]).to.equal("less or equal to " ~ smallValue.toISOExtString); + expect(evaluation.result.actual[]).to.equal(largeValue.toISOExtString); +} + +@("SysTime smaller not lessOrEqualTo larger reports error with expected and actual") +unittest { + SysTime smallValue = Clock.currTime; + SysTime largeValue = smallValue + 4.seconds; + + auto evaluation = ({ + expect(smallValue).not.to.be.lessOrEqualTo(largeValue); + }).recordEvaluation; + + expect(evaluation.result.expected[]).to.equal("greater than " ~ largeValue.toISOExtString); + expect(evaluation.result.actual[]).to.equal(smallValue.toISOExtString); +} diff --git a/source/fluentasserts/operations/comparison/lessThan.d b/source/fluentasserts/operations/comparison/lessThan.d new file mode 100644 index 00000000..d0896e1d --- /dev/null +++ b/source/fluentasserts/operations/comparison/lessThan.d @@ -0,0 +1,168 @@ +module fluentasserts.operations.comparison.lessThan; + +import fluentasserts.results.printer; +import fluentasserts.core.evaluation.eval : Evaluation; +import fluentasserts.core.conversion.tonumeric : toNumeric; + +import fluentasserts.core.lifecycle; + +import std.datetime; + +version(unittest) { + import fluent.asserts; + import fluentasserts.core.expect; + import fluentasserts.core.base : should, TestException; + import fluentasserts.core.lifecycle; + import std.conv : to; +} + +static immutable lessThanDescription = "Asserts that the tested value is less than the tested value. However, it's often best to assert that the target is equal to its expected value."; + +void lessThan(T)(ref Evaluation evaluation) @safe nothrow @nogc { + auto expected = toNumeric!T(evaluation.expectedValue.strValue); + auto current = toNumeric!T(evaluation.currentValue.strValue); + + if (!expected.success || !current.success) { + evaluation.conversionError(T.stringof); + return; + } + + evaluation.check( + current.value < expected.value, + "less than ", + evaluation.expectedValue.strValue[], + "greater than or equal to " + ); +} + +void lessThanDuration(ref Evaluation evaluation) @safe nothrow @nogc { + Duration currentDur, expectedDur; + if (!evaluation.parseDurations(currentDur, expectedDur)) { + return; + } + + evaluation.check( + currentDur < expectedDur, + "less than ", + evaluation.expectedValue.niceValue[], + "greater than or equal to " + ); +} + +void lessThanSysTime(ref Evaluation evaluation) @safe nothrow { + SysTime currentTime, expectedTime; + if (!evaluation.parseSysTimes(currentTime, expectedTime)) { + return; + } + + evaluation.check( + currentTime < expectedTime, + "less than ", + evaluation.expectedValue.strValue[], + "greater than or equal to " + ); +} + +void lessThanGeneric(ref Evaluation evaluation) @safe nothrow @nogc { + bool result = false; + + if (!evaluation.currentValue.proxyValue.isNull() && !evaluation.expectedValue.proxyValue.isNull()) { + result = evaluation.currentValue.proxyValue.isLessThan(evaluation.expectedValue.proxyValue); + } + + evaluation.check( + result, + "less than ", + evaluation.expectedValue.strValue[], + "greater than or equal to " + ); +} + +@("lessThan passes when current value is less than expected") +unittest { + 5.should.be.lessThan(6); +} + +@("5 lessThan 4 reports error with expected and actual") +unittest { + auto evaluation = ({ + 5.should.be.lessThan(4); + }).recordEvaluation; + + expect(evaluation.result.expected[]).to.equal("less than 4"); + expect(evaluation.result.actual[]).to.equal("5"); +} + +@("5 lessThan 5 reports error with expected and actual") +unittest { + auto evaluation = ({ + 5.should.be.lessThan(5); + }).recordEvaluation; + + expect(evaluation.result.expected[]).to.equal("less than 5"); + expect(evaluation.result.actual[]).to.equal("5"); +} + +@("lessThan works with negation") +unittest { + 5.should.not.be.lessThan(4); + 5.should.not.be.lessThan(5); +} + +@("lessThan works with floating point") +unittest { + 3.14.should.be.lessThan(3.15); + 3.15.should.not.be.lessThan(3.14); +} + +@("lessThan works with custom comparable struct") +unittest { + static struct Money { + int cents; + int opCmp(Money other) const @safe nothrow @nogc { + return cents - other.cents; + } + } + + Money(100).should.be.lessThan(Money(200)); + Money(200).should.not.be.lessThan(Money(100)); + Money(100).should.not.be.lessThan(Money(100)); +} + +@("below is alias for lessThan") +unittest { + 5.should.be.below(6); + 5.should.not.be.below(4); +} + +@("haveExecutionTime passes for fast code") +unittest { + ({ + + }).should.haveExecutionTime.lessThan(1.seconds); +} + +@("haveExecutionTime reports error when code takes too long") +unittest { + import core.thread; + + auto evaluation = ({ + ({ + Thread.sleep(2.msecs); + }).should.haveExecutionTime.lessThan(1.msecs); + }).recordEvaluation; + + expect(evaluation.result.hasContent()).to.equal(true); +} + +// Issue #101: lessThan works with std.checkedint.Checked +@("lessThan works with std.checkedint.Checked") +unittest { + import std.checkedint : Checked, Abort; + + alias SafeLong = Checked!(long, Abort); + + SafeLong(5).should.be.lessThan(SafeLong(10)); + SafeLong(10).should.not.be.lessThan(SafeLong(5)); + SafeLong(5).should.not.be.lessThan(SafeLong(5)); +} diff --git a/source/fluentasserts/operations/equality/arrayEqual.d b/source/fluentasserts/operations/equality/arrayEqual.d new file mode 100644 index 00000000..59d176c0 --- /dev/null +++ b/source/fluentasserts/operations/equality/arrayEqual.d @@ -0,0 +1,416 @@ +module fluentasserts.operations.equality.arrayEqual; + +import fluentasserts.results.printer; +import fluentasserts.core.evaluation.eval : Evaluation; + +import fluentasserts.core.lifecycle; + +version(unittest) { + import fluent.asserts; + import fluentasserts.core.base; + import fluentasserts.core.expect; + import fluentasserts.core.lifecycle; + import std.algorithm : map; + import std.string; +} + +static immutable arrayEqualDescription = "Asserts that the target is strictly == equal to the given val."; + +/// Asserts that two arrays are strictly equal element by element. +/// Uses proxyValue which now supports both string comparison and opEquals. +void arrayEqual(ref Evaluation evaluation) @safe nothrow { + bool isEqual; + + if (!evaluation.currentValue.proxyValue.isNull() && !evaluation.expectedValue.proxyValue.isNull()) { + isEqual = evaluation.currentValue.proxyValue.isEqualTo(evaluation.expectedValue.proxyValue); + } else { + isEqual = evaluation.currentValue.strValue == evaluation.expectedValue.strValue; + } + + bool passed = evaluation.isNegated ? !isEqual : isEqual; + if (passed) { + return; + } + + if (evaluation.isNegated) { + evaluation.result.expected.put("not "); + } + evaluation.result.expected.put(evaluation.expectedValue.strValue[]); + evaluation.result.actual.put(evaluation.currentValue.strValue[]); + evaluation.result.negated = evaluation.isNegated; +} + +// --------------------------------------------------------------------------- +// Unit tests +// --------------------------------------------------------------------------- + +@("int array compares two equal arrays") +unittest { + expect([1, 2, 3]).to.equal([1, 2, 3]); +} + +@("int array compares two different arrays") +unittest { + expect([1, 2, 3]).to.not.equal([1, 2, 4]); +} + +@("[1,2,3] equal [1,2,4] reports error with expected and actual") +unittest { + auto evaluation = ({ + expect([1, 2, 3]).to.equal([1, 2, 4]); + }).recordEvaluation; + + expect(evaluation.result.expected[]).to.equal("[1, 2, 4]"); + expect(evaluation.result.actual[]).to.equal("[1, 2, 3]"); +} + +@("[1,2,3] not equal [1,2,3] reports error with expected and actual") +unittest { + auto evaluation = ({ + expect([1, 2, 3]).to.not.equal([1, 2, 3]); + }).recordEvaluation; + + expect(evaluation.result.expected[]).to.equal("not [1, 2, 3]"); + expect(evaluation.result.actual[]).to.equal("[1, 2, 3]"); + expect(evaluation.result.negated).to.equal(true); +} + +@("[1,2,3] equal [1,2] reports error with expected and actual") +unittest { + auto evaluation = ({ + expect([1, 2, 3]).to.equal([1, 2]); + }).recordEvaluation; + + expect(evaluation.result.expected[]).to.equal("[1, 2]"); + expect(evaluation.result.actual[]).to.equal("[1, 2, 3]"); +} + +@("string array compares two equal arrays") +unittest { + expect(["a", "b", "c"]).to.equal(["a", "b", "c"]); +} + +@("string array compares two different arrays") +unittest { + expect(["a", "b", "c"]).to.not.equal(["a", "b", "d"]); +} + +@("string array [a,b,c] equal [a,b,d] reports error with expected and actual") +unittest { + auto evaluation = ({ + expect(["a", "b", "c"]).to.equal(["a", "b", "d"]); + }).recordEvaluation; + + expect(evaluation.result.expected[]).to.equal(`[a, b, d]`); + expect(evaluation.result.actual[]).to.equal(`[a, b, c]`); +} + +@("empty arrays are equal") +unittest { + int[] empty1; + int[] empty2; + expect(empty1).to.equal(empty2); +} + +@("empty array differs from non-empty array") +unittest { + int[] empty; + expect(empty).to.not.equal([1, 2, 3]); +} + +@("object array with null elements compares equal") +unittest { + Object[] arr1 = [null, null]; + Object[] arr2 = [null, null]; + expect(arr1).to.equal(arr2); +} + +@("object array with null element differs from non-null") +unittest { + Object obj = new Object(); + Object[] arr1 = [null]; + Object[] arr2 = [obj]; + expect(arr1).to.not.equal(arr2); +} + +@("lazy array throwing in equal propagates the exception") +unittest { + Lifecycle.instance.disableFailureHandling = false; + int[] someLazyArray() { + throw new Exception("This is it."); + } + + ({ + someLazyArray.should.equal([]); + }).should.throwAnyException.withMessage("This is it."); +} + +version(unittest) { + struct ArrayTestStruct { + int value; + void f() {} + } +} + +@("array of structs equal same array succeeds") +unittest { + [ArrayTestStruct(1)].should.equal([ArrayTestStruct(1)]); +} + +@("array of structs equal different array reports not equal") +unittest { + auto evaluation = ({ + [ArrayTestStruct(2)].should.equal([ArrayTestStruct(1)]); + }).recordEvaluation; + + evaluation.result.messageString.should.equal("[ArrayTestStruct(2)] should equal [ArrayTestStruct(1)]."); +} + +@("const string array equal string array succeeds") +unittest { + Lifecycle.instance.disableFailureHandling = false; + const(string)[] constValue = ["test", "string"]; + constValue.should.equal(["test", "string"]); +} + +@("immutable string array equal string array succeeds") +unittest { + Lifecycle.instance.disableFailureHandling = false; + immutable(string)[] immutableValue = ["test", "string"]; + immutableValue.should.equal(["test", "string"]); +} + +@("string array equal const string array succeeds") +unittest { + Lifecycle.instance.disableFailureHandling = false; + const(string)[] constValue = ["test", "string"]; + ["test", "string"].should.equal(constValue); +} + +@("string array equal immutable string array succeeds") +unittest { + Lifecycle.instance.disableFailureHandling = false; + immutable(string)[] immutableValue = ["test", "string"]; + ["test", "string"].should.equal(immutableValue); +} + +version(unittest) { + class ArrayTestEqualsClass { + int value; + + this(int value) { this.value = value; } + void f() {} + } +} + +@("array of class instances equal same instance succeeds") +unittest { + auto instance = new ArrayTestEqualsClass(1); + [instance].should.equal([instance]); +} + +@("array of class instances equal different instances reports not equal") +unittest { + auto evaluation = ({ + [new ArrayTestEqualsClass(2)].should.equal([new ArrayTestEqualsClass(1)]); + }).recordEvaluation; + + evaluation.result.hasContent.should.equal(true); +} + +@("range equal same array succeeds") +unittest { + [1, 2, 3].map!"a".should.equal([1, 2, 3]); +} + +@("range not equal reordered array succeeds") +unittest { + [1, 2, 3].map!"a".should.not.equal([2, 1, 3]); +} + +@("range not equal subset succeeds") +unittest { + [1, 2, 3].map!"a".should.not.equal([2, 3]); +} + +@("subset range not equal array succeeds") +unittest { + [2, 3].map!"a".should.not.equal([1, 2, 3]); +} + +@("range equal different array reports not equal") +unittest { + auto evaluation = ({ + [1, 2, 3].map!"a".should.equal([4, 5]); + }).recordEvaluation; + + evaluation.result.messageString.should.equal(`[1, 2, 3] should equal [4, 5].`); +} + +@("range equal different same-length array reports not equal") +unittest { + auto evaluation = ({ + [1, 2].map!"a".should.equal([4, 5]); + }).recordEvaluation; + + evaluation.result.messageString.should.equal(`[1, 2] should equal [4, 5].`); +} + +@("range equal reordered array reports not equal") +unittest { + auto evaluation = ({ + [1, 2, 3].map!"a".should.equal([2, 3, 1]); + }).recordEvaluation; + + evaluation.result.messageString.should.equal(`[1, 2, 3] should equal [2, 3, 1].`); +} + +@("range not equal same array reports is equal") +unittest { + auto evaluation = ({ + [1, 2, 3].map!"a".should.not.equal([1, 2, 3]); + }).recordEvaluation; + + evaluation.result.messageString.should.equal(`[1, 2, 3] should not equal [1, 2, 3].`); +} + +@("custom range equal array succeeds") +unittest { + struct Range { + int n; + int front() { + return n; + } + void popFront() { + ++n; + } + bool empty() { + return n == 3; + } + } + + Range().should.equal([0,1,2]); +} + +@("custom range equal shorter array reports not equal") +unittest { + struct Range { + int n; + int front() { + return n; + } + void popFront() { + ++n; + } + bool empty() { + return n == 3; + } + } + + auto evaluation = ({ + Range().should.equal([0,1]); + }).recordEvaluation; + + evaluation.result.messageString.should.equal("[0, 1, 2] should equal [0, 1]."); +} + +@("custom const range equal array succeeds") +unittest { + Lifecycle.instance.disableFailureHandling = false; + struct ConstRange { + int n; + const(int) front() { + return n; + } + + void popFront() { + ++n; + } + + bool empty() { + return n == 3; + } + } + + [0,1,2].should.equal(ConstRange()); +} + +@("array equal custom const range succeeds") +unittest { + Lifecycle.instance.disableFailureHandling = false; + struct ConstRange { + int n; + const(int) front() { + return n; + } + + void popFront() { + ++n; + } + + bool empty() { + return n == 3; + } + } + + ConstRange().should.equal([0,1,2]); +} + +@("custom immutable range equal array succeeds") +unittest { + Lifecycle.instance.disableFailureHandling = false; + struct ImmutableRange { + int n; + immutable(int) front() { + return n; + } + + void popFront() { + ++n; + } + + bool empty() { + return n == 3; + } + } + + [0,1,2].should.equal(ImmutableRange()); +} + +@("array equal custom immutable range succeeds") +unittest { + Lifecycle.instance.disableFailureHandling = false; + struct ImmutableRange { + int n; + immutable(int) front() { + return n; + } + + void popFront() { + ++n; + } + + bool empty() { + return n == 3; + } + } + + ImmutableRange().should.equal([0,1,2]); +} + +@("immutable string array equal empty array succeeds") +unittest { + Lifecycle.instance.disableFailureHandling = false; + immutable string[] someList; + + someList.should.equal([]); +} + +@("const object array equal array with same object succeeds") +unittest { + Lifecycle.instance.disableFailureHandling = false; + class A {} + A a = new A(); + const(A)[] arr = [a]; + arr.should.equal([a]); +} diff --git a/source/fluentasserts/operations/equality/equal.d b/source/fluentasserts/operations/equality/equal.d new file mode 100644 index 00000000..39dea85a --- /dev/null +++ b/source/fluentasserts/operations/equality/equal.d @@ -0,0 +1,1050 @@ +module fluentasserts.operations.equality.equal; + +import fluentasserts.results.printer; +import fluentasserts.core.evaluation.eval : Evaluation; + +import fluentasserts.core.lifecycle; +import fluentasserts.core.diff.diff : computeDiff; +import fluentasserts.core.diff.types : EditOp; +import fluentasserts.core.memory.heapstring : HeapString, toHeapString; +import fluentasserts.core.config : config = FluentAssertsConfig; +import fluentasserts.results.message : Message; +import fluentasserts.results.serializers.heap_registry : HeapSerializerRegistry; +import std.meta : AliasSeq; + +version (unittest) { + import fluent.asserts; + import fluentasserts.core.base; + import fluentasserts.core.expect; + import fluentasserts.core.lifecycle; + import std.conv; + import std.datetime; + import std.meta; + import std.string; +} + +static immutable equalDescription = "Asserts that the target is strictly == equal to the given val."; + +/// Formats a line number with right-aligned padding. +/// Returns a HeapString containing the padded number followed by ": ". +HeapString formatLineNumber(size_t lineNum, size_t width = config.display.defaultLineNumberWidth) @trusted nothrow { + import fluentasserts.core.conversion.toheapstring : toHeapString; + + auto numStr = toHeapString(lineNum); + auto result = HeapString.create(width + 2); // width + ": " + + // Add leading spaces for right-alignment + size_t numLen = numStr.value.length; + if (numLen < width) { + foreach (_; 0 .. width - numLen) { + result.put(' '); + } + } + + result.put(numStr.value[]); + result.put(": "); + return result; +} + +static immutable isEqualTo = Message(Message.Type.info, " is equal to "); +static immutable isNotEqualTo = Message(Message.Type.info, " is not equal to "); +static immutable endSentence = Message(Message.Type.info, "."); + +/// Asserts that the current value is strictly equal to the expected value. +/// Note: This function is not @nogc because it may use opEquals for object comparison. +void equal(ref Evaluation evaluation) @safe nothrow { + auto hasCurrentProxy = !evaluation.currentValue.proxyValue.isNull(); + auto hasExpectedProxy = !evaluation.expectedValue.proxyValue.isNull(); + + bool isEqual; + if (hasCurrentProxy && hasExpectedProxy) { + isEqual = evaluation.currentValue.proxyValue.isEqualTo(evaluation.expectedValue.proxyValue); + } else { + isEqual = evaluation.currentValue.strValue == evaluation.expectedValue.strValue; + } + + bool passed = evaluation.isNegated ? !isEqual : isEqual; + if (passed) { + return; + } + + evaluation.result.negated = evaluation.isNegated; + + bool isMultilineComparison = isMultilineString(evaluation.currentValue.strValue) || + isMultilineString(evaluation.expectedValue.strValue); + + if (isMultilineComparison) { + setMultilineResult(evaluation); + } else { + if (evaluation.isNegated) { + evaluation.result.expected.put("not "); + } + evaluation.result.expected.put(evaluation.expectedValue.strValue[]); + evaluation.result.actual.put(evaluation.currentValue.strValue[]); + } +} + +/// Sets the result for multiline string comparisons. +/// Shows the actual multiline values formatted with line prefixes for readability. +void setMultilineResult(ref Evaluation evaluation) @trusted nothrow { + auto actualUnescaped = unescapeString(evaluation.currentValue.strValue); + auto expectedUnescaped = unescapeString(evaluation.expectedValue.strValue); + + if (evaluation.isNegated) { + evaluation.result.expected.put("not\n"); + formatMultilineValue(evaluation.result.expected, expectedUnescaped); + } else { + formatMultilineValue(evaluation.result.expected, expectedUnescaped); + } + + formatMultilineValue(evaluation.result.actual, actualUnescaped); + + if (!evaluation.isNegated) { + setMultilineDiff(evaluation); + } +} + +/// Formats a multiline string value with line prefixes for display. +/// Uses right-aligned line numbers to align with source code display format. +void formatMultilineValue(T)(ref T output, ref const HeapString str) @trusted nothrow { + auto slice = str[]; + size_t lineStart = 0; + size_t lineNum = 1; + + foreach (i; 0 .. str.length) { + if (str[i] == '\n') { + auto numStr = formatLineNumber(lineNum); + output.put(numStr[]); + output.put(slice[lineStart .. i]); + output.put("\n"); + lineStart = i + 1; + lineNum++; + } + } + + if (lineStart < str.length) { + auto numStr = formatLineNumber(lineNum); + output.put(numStr[]); + output.put(slice[lineStart .. str.length]); + } +} + +/// Checks if a HeapString contains multiple lines. +/// Detects both raw newlines and escaped newlines (\n as two characters). +bool isMultilineString(ref const HeapString str) @safe @nogc nothrow { + if (str.length < 2) { + return false; + } + + foreach (i; 0 .. str.length) { + // Check for raw newline + if (str[i] == '\n') { + return true; + } + + // Check for escaped newline (\n as two chars) + if (str[i] == '\\' && i + 1 < str.length && str[i + 1] == 'n') { + return true; + } + } + + return false; +} + +/// Unescapes a HeapString by converting escaped sequences back to actual characters. +/// Handles \n, \t, \r, \0. +HeapString unescapeString(ref const HeapString str) @safe @nogc nothrow { + auto result = HeapString.create(str.length); + size_t i = 0; + + while (i < str.length) { + if (str[i] == '\\' && i + 1 < str.length) { + char next = str[i + 1]; + + switch (next) { + case 'n': + result.put('\n'); + i += 2; + continue; + + case 't': + result.put('\t'); + i += 2; + continue; + + case 'r': + result.put('\r'); + i += 2; + continue; + + case '0': + result.put('\0'); + i += 2; + continue; + + case '\\': + result.put('\\'); + i += 2; + continue; + + default: + break; + } + } + + result.put(str[i]); + i++; + } + + return result; +} + +/// Tracks state while rendering diff output. +struct DiffRenderState { + size_t currentLine = size_t.max; + size_t lastShownLine = size_t.max; + bool[size_t] visibleLines; +} + +/// Sets a user-friendly line-by-line diff on the evaluation result. +/// Shows lines that differ between expected and actual values. +void setMultilineDiff(ref Evaluation evaluation) @trusted nothrow { + // Unescape the serialized strings before diffing + auto expectedUnescaped = unescapeString(evaluation.expectedValue.strValue); + auto actualUnescaped = unescapeString(evaluation.currentValue.strValue); + + // Split into lines + auto expectedLines = splitLines(expectedUnescaped); + auto actualLines = splitLines(actualUnescaped); + + if (expectedLines.length == 0 && actualLines.length == 0) { + return; + } + + // Build the diff output + auto diffBuffer = HeapString.create(4096); + diffBuffer.put("\n\nDiff:\n"); + + size_t maxLines = expectedLines.length > actualLines.length ? expectedLines.length : actualLines.length; + bool hasChanges = false; + + foreach (i; 0 .. maxLines) { + bool hasExpected = i < expectedLines.length; + bool hasActual = i < actualLines.length; + + if (hasExpected && hasActual) { + // Both have this line - check if different + if (!linesEqual(expectedLines[i], actualLines[i])) { + hasChanges = true; + auto lineNum = formatLineNumber(i + 1); + diffBuffer.put(lineNum[]); + diffBuffer.put("[-"); + diffBuffer.put(expectedLines[i][]); + diffBuffer.put("-]\n"); + diffBuffer.put(lineNum[]); + diffBuffer.put("[+"); + diffBuffer.put(actualLines[i][]); + diffBuffer.put("+]\n"); + } + } else if (hasExpected) { + // Line only in expected (removed) + hasChanges = true; + auto lineNum = formatLineNumber(i + 1); + diffBuffer.put(lineNum[]); + diffBuffer.put("[-"); + diffBuffer.put(expectedLines[i][]); + diffBuffer.put("-]\n"); + } else if (hasActual) { + // Line only in actual (added) + hasChanges = true; + auto lineNum = formatLineNumber(i + 1); + diffBuffer.put(lineNum[]); + diffBuffer.put("[+"); + diffBuffer.put(actualLines[i][]); + diffBuffer.put("+]\n"); + } + } + + if (hasChanges) { + diffBuffer.put("\n"); + evaluation.result.addText(diffBuffer[]); + } +} + +/// Splits a HeapString into lines. +HeapString[] splitLines(ref const HeapString str) @trusted nothrow { + HeapString[] lines; + size_t lineStart = 0; + + foreach (i; 0 .. str.length) { + if (str[i] == '\n') { + auto line = HeapString.create(i - lineStart); + foreach (j; lineStart .. i) { + line.put(str[j]); + } + lines ~= line; + lineStart = i + 1; + } + } + + // Add last line if there's remaining content + if (lineStart < str.length) { + auto line = HeapString.create(str.length - lineStart); + foreach (j; lineStart .. str.length) { + line.put(str[j]); + } + lines ~= line; + } + + return lines; +} + +/// Compares two HeapStrings for equality. +bool linesEqual(ref const HeapString a, ref const HeapString b) @trusted nothrow { + if (a.length != b.length) { + return false; + } + + foreach (i; 0 .. a.length) { + if (a[i] != b[i]) { + return false; + } + } + + return true; +} + +/// Renders a single diff segment to a buffer, handling line transitions. +void renderSegmentToBuffer(T, B)(ref B buffer, ref T seg, ref DiffRenderState state) @trusted nothrow { + if ((seg.line in state.visibleLines) is null) { + return; + } + + if (seg.line != state.currentLine) { + handleLineTransitionToBuffer(buffer, seg.line, state); + } + + addSegmentTextToBuffer(buffer, seg); +} + +/// Handles the transition to a new line in diff output (buffer version). +void handleLineTransitionToBuffer(B)(ref B buffer, size_t newLine, ref DiffRenderState state) @trusted nothrow { + bool isFirstLine = state.currentLine == size_t.max; + bool hasGap = !isFirstLine && newLine > state.lastShownLine + 1; + + if (!isFirstLine) { + buffer.put("\n"); + } + + if (hasGap) { + buffer.put(" ...\n"); + } + + state.currentLine = newLine; + state.lastShownLine = newLine; + + // Add line number with proper padding + auto lineNum = formatLineNumber(newLine + 1); + buffer.put(lineNum[]); +} + +/// Adds segment text with diff markers to a buffer. +void addSegmentTextToBuffer(T, B)(ref B buffer, ref T seg) @trusted nothrow { + auto text = formatDiffText(seg.text); + + final switch (seg.op) { + case EditOp.equal: + buffer.put(text); + break; + + case EditOp.remove: + buffer.put("[-"); + buffer.put(text); + buffer.put("-]"); + break; + + case EditOp.insert: + buffer.put("[+"); + buffer.put(text); + buffer.put("+]"); + break; + } +} + +/// Finds all line numbers that contain changes (insert or remove). +size_t[] findChangedLines(T)(ref T diffResult) @trusted nothrow { + size_t[] changedLines; + size_t lastLine = size_t.max; + + foreach (i; 0 .. diffResult.length) { + if (diffResult[i].op != EditOp.equal && diffResult[i].line != lastLine) { + changedLines ~= diffResult[i].line; + lastLine = diffResult[i].line; + } + } + + return changedLines; +} + +/// Expands changed lines with context lines before and after. +bool[size_t] expandWithContext(size_t[] changedLines, size_t context) @trusted nothrow { + bool[size_t] visibleLines; + + foreach (i; 0 .. changedLines.length) { + addLineRange(visibleLines, changedLines[i], context); + } + + return visibleLines; +} + +/// Adds a range of lines centered on the given line to the visible set. +void addLineRange(ref bool[size_t] visibleLines, size_t centerLine, size_t context) @trusted nothrow { + size_t start = centerLine > context ? centerLine - context : 0; + size_t end = centerLine + context + 1; + + foreach (line; start .. end) { + visibleLines[line] = true; + } +} + +/// Adds a formatted line number prefix to the result. +void addLineNumber(ref Evaluation evaluation, size_t line) @trusted nothrow { + auto lineNum = formatLineNumber(line + 1); + evaluation.result.addText(lineNum[]); +} + +/// Adds segment text with diff markers. +/// Uses [-text-] for removals and [+text+] for insertions. +void addSegmentText(T)(ref Evaluation evaluation, ref T seg) @trusted nothrow { + auto text = formatDiffText(seg.text); + + final switch (seg.op) { + case EditOp.equal: + evaluation.result.addText(text); + break; + + case EditOp.remove: + evaluation.result.addText("[-"); + evaluation.result.add(Message(Message.Type.delete_, text)); + evaluation.result.addText("-]"); + break; + + case EditOp.insert: + evaluation.result.addText("[+"); + evaluation.result.add(Message(Message.Type.insert, text)); + evaluation.result.addText("+]"); + break; + } +} + +/// Formats diff text by replacing special characters with visible representations. +string formatDiffText(ref const HeapString text) @trusted nothrow { + HeapString result; + + foreach (i; 0 .. text.length) { + char c = text[i]; + + if (c == '\n') { + result.put('\\'); + result.put('n'); + } else if (c == '\t') { + result.put('\\'); + result.put('t'); + } else if (c == '\r') { + result.put('\\'); + result.put('r'); + } else { + result.put(c); + } + } + + return result[].idup; +} + +// --------------------------------------------------------------------------- +// Unit tests +// --------------------------------------------------------------------------- + +alias StringTypes = AliasSeq!(string, wstring, dstring); + +static foreach (Type; StringTypes) { + @(Type.stringof ~ " compares two exact strings") + unittest { + auto evaluation = ({ + expect("test string").to.equal("test string"); + }).recordEvaluation; + + assert(evaluation.result.expected.length == 0, "equal operation should pass for identical strings"); + } + + @(Type.stringof ~ " checks if two strings are not equal") + unittest { + auto evaluation = ({ + expect("test string").to.not.equal("test"); + }).recordEvaluation; + + assert(evaluation.result.expected.length == 0, "not equal operation should pass for different strings"); + } + + @(Type.stringof ~ " test string equal test reports error with expected and actual") + unittest { + auto evaluation = ({ + expect("test string").to.equal("test"); + }).recordEvaluation; + + assert(evaluation.result.expected[] == `test`, "expected 'test' but got: " ~ evaluation.result.expected[]); + assert(evaluation.result.actual[] == `test string`, "expected 'test string' but got: " ~ evaluation.result.actual[]); + } + + @(Type.stringof ~ " test string not equal test string reports error with expected and negated") + unittest { + auto evaluation = ({ + expect("test string").to.not.equal("test string"); + }).recordEvaluation; + + assert(evaluation.result.expected[] == `not test string`, "expected 'not test string' but got: " ~ evaluation.result.expected[]); + assert(evaluation.result.actual[] == `test string`, "expected 'test string' but got: " ~ evaluation.result.actual[]); + assert(evaluation.result.negated == true, "expected negated to be true"); + } + + @(Type.stringof ~ " string with null chars equal string without null chars reports error with actual containing null chars") + unittest { + ubyte[] data = [115, 111, 109, 101, 32, 100, 97, 116, 97, 0, 0]; + + auto evaluation = ({ + expect(data.assumeUTF.to!Type).to.equal("some data"); + }).recordEvaluation; + + assert(evaluation.result.expected[] == `some data`, "expected 'some data' but got: " ~ evaluation.result.expected[]); + assert(evaluation.result.actual[] == `some data\0\0`, "expected 'some data\\0\\0' but got: " ~ evaluation.result.actual[]); + } +} + +alias NumericTypes = AliasSeq!(byte, ubyte, short, ushort, int, uint, long, ulong, float, double, real); + +static foreach (Type; NumericTypes) { + @(Type.stringof ~ " compares two exact values") + unittest { + Type testValue = cast(Type) 40; + + auto evaluation = ({ + expect(testValue).to.equal(testValue); + }).recordEvaluation; + + assert(evaluation.result.expected.length == 0, "equal operation should pass for identical values"); + } + + @(Type.stringof ~ " checks if two values are not equal") + unittest { + Type testValue = cast(Type) 40; + Type otherTestValue = cast(Type) 50; + + auto evaluation = ({ + expect(testValue).to.not.equal(otherTestValue); + }).recordEvaluation; + + assert(evaluation.result.expected.length == 0, "not equal operation should pass for different values"); + } + + @(Type.stringof ~ " 40 equal 50 reports error with expected and actual") + unittest { + Type testValue = cast(Type) 40; + Type otherTestValue = cast(Type) 50; + + auto evaluation = ({ + expect(testValue).to.equal(otherTestValue); + }).recordEvaluation; + + assert(evaluation.result.expected[] == otherTestValue.to!string, "expected '" ~ otherTestValue.to!string ~ "' but got: " ~ evaluation.result.expected[]); + assert(evaluation.result.actual[] == testValue.to!string, "expected '" ~ testValue.to!string ~ "' but got: " ~ evaluation.result.actual[]); + } + + @(Type.stringof ~ " 40 not equal 40 reports error with expected and negated") + unittest { + Type testValue = cast(Type) 40; + + auto evaluation = ({ + expect(testValue).to.not.equal(testValue); + }).recordEvaluation; + + assert(evaluation.result.expected[] == "not " ~ testValue.to!string, "expected 'not " ~ testValue.to!string ~ "' but got: " ~ evaluation.result.expected[]); + assert(evaluation.result.actual[] == testValue.to!string, "expected '" ~ testValue.to!string ~ "' but got: " ~ evaluation.result.actual[]); + assert(evaluation.result.negated == true, "expected negated to be true"); + } +} + +@("booleans compares two true values") +unittest { + auto evaluation = ({ + expect(true).to.equal(true); + }).recordEvaluation; + + assert(evaluation.result.expected.length == 0, "equal operation should pass for true == true"); +} + +@("booleans compares two false values") +unittest { + auto evaluation = ({ + expect(false).to.equal(false); + }).recordEvaluation; + + assert(evaluation.result.expected.length == 0, "equal operation should pass for false == false"); +} + +@("booleans true not equal false passes") +unittest { + auto evaluation = ({ + expect(true).to.not.equal(false); + }).recordEvaluation; + + assert(evaluation.result.expected.length == 0, "not equal operation should pass for true != false"); +} + +@("booleans false not equal true passes") +unittest { + auto evaluation = ({ + expect(false).to.not.equal(true); + }).recordEvaluation; + + assert(evaluation.result.expected.length == 0, "not equal operation should pass for false != true"); +} + +@("true equal false reports error with expected false and actual true") +unittest { + auto evaluation = ({ + expect(true).to.equal(false); + }).recordEvaluation; + + assert(evaluation.result.expected[] == "false", "expected 'false' but got: " ~ evaluation.result.expected[]); + assert(evaluation.result.actual[] == "true", "expected 'true' but got: " ~ evaluation.result.actual[]); +} + +@("durations compares two equal values") +unittest { + auto evaluation = ({ + expect(2.seconds).to.equal(2.seconds); + }).recordEvaluation; + + assert(evaluation.result.expected.length == 0, "equal operation should pass for identical durations"); +} + +@("durations 2 seconds not equal 3 seconds passes") +unittest { + auto evaluation = ({ + expect(2.seconds).to.not.equal(3.seconds); + }).recordEvaluation; + + assert(evaluation.result.expected.length == 0, "not equal operation should pass for 2s != 3s"); +} + +@("durations 3 seconds not equal 2 seconds passes") +unittest { + auto evaluation = ({ + expect(3.seconds).to.not.equal(2.seconds); + }).recordEvaluation; + + assert(evaluation.result.expected.length == 0, "not equal operation should pass for 3s != 2s"); +} + +@("3 seconds equal 2 seconds reports error with expected and actual") +unittest { + auto evaluation = ({ + expect(3.seconds).to.equal(2.seconds); + }).recordEvaluation; + + assert(evaluation.result.expected[] == "2000000000", "expected '2000000000' but got: " ~ evaluation.result.expected[]); + assert(evaluation.result.actual[] == "3000000000", "expected '3000000000' but got: " ~ evaluation.result.actual[]); +} + +@("objects without custom opEquals compares two exact values") +unittest { + Object testValue = new Object(); + + auto evaluation = ({ + expect(testValue).to.equal(testValue); + }).recordEvaluation; + + assert(evaluation.result.expected.length == 0, "equal operation should pass for same object reference"); +} + +@("objects without custom opEquals checks if two values are not equal") +unittest { + Object testValue = new Object(); + Object otherTestValue = new Object(); + + auto evaluation = ({ + expect(testValue).to.not.equal(otherTestValue); + }).recordEvaluation; + + assert(evaluation.result.expected.length == 0, "not equal operation should pass for different objects"); +} + +@("object equal different object reports error with expected and actual") +unittest { + Object testValue = new Object(); + Object otherTestValue = new Object(); + string niceTestValue = HeapSerializerRegistry.instance.niceValue(testValue)[].idup; + string niceOtherTestValue = HeapSerializerRegistry.instance.niceValue(otherTestValue)[].idup; + + auto evaluation = ({ + expect(testValue).to.equal(otherTestValue); + }).recordEvaluation; + + assert(evaluation.result.expected[] == niceOtherTestValue, "expected '" ~ niceOtherTestValue ~ "' but got: " ~ evaluation.result.expected[]); + assert(evaluation.result.actual[] == niceTestValue, "expected '" ~ niceTestValue ~ "' but got: " ~ evaluation.result.actual[]); +} + +@("object not equal itself reports error with expected and negated") +unittest { + Object testValue = new Object(); + string niceTestValue = HeapSerializerRegistry.instance.niceValue(testValue)[].idup; + + auto evaluation = ({ + expect(testValue).to.not.equal(testValue); + }).recordEvaluation; + + assert(evaluation.result.expected[] == "not " ~ niceTestValue, "expected 'not " ~ niceTestValue ~ "' but got: " ~ evaluation.result.expected[]); + assert(evaluation.result.actual[] == niceTestValue, "expected '" ~ niceTestValue ~ "' but got: " ~ evaluation.result.actual[]); + assert(evaluation.result.negated == true, "expected negated to be true"); +} + +// Issue #98: opEquals should be honored when asserting equality +@("objects with custom opEquals compares two exact values") +unittest { + auto testValue = new EqualThing(1); + + auto evaluation = ({ + expect(testValue).to.equal(testValue); + }).recordEvaluation; + + assert(evaluation.result.expected.length == 0, "equal operation should pass for same object reference"); +} + +// Issue #98: opEquals should be honored when asserting equality +@("objects with custom opEquals compares two objects with same fields") +unittest { + auto testValue = new EqualThing(1); + auto sameTestValue = new EqualThing(1); + + auto evaluation = ({ + expect(testValue).to.equal(sameTestValue); + }).recordEvaluation; + + assert(evaluation.result.expected.length == 0, "equal operation should pass for objects with same fields"); +} + +// Issue #98: opEquals should be honored when asserting equality +@("objects with custom opEquals compares object cast to Object with same fields") +unittest { + auto testValue = new EqualThing(1); + auto sameTestValue = new EqualThing(1); + + auto evaluation = ({ + expect(testValue).to.equal(cast(Object) sameTestValue); + }).recordEvaluation; + + assert(evaluation.result.expected.length == 0, "equal operation should pass for objects with same fields cast to Object"); +} + +// Issue #98: opEquals should be honored when asserting equality +@("objects with custom opEquals checks if two values are not equal") +unittest { + auto testValue = new EqualThing(1); + auto otherTestValue = new EqualThing(2); + + auto evaluation = ({ + expect(testValue).to.not.equal(otherTestValue); + }).recordEvaluation; + + assert(evaluation.result.expected.length == 0, "not equal operation should pass for objects with different fields"); +} + +@("EqualThing(1) equal EqualThing(2) reports error with expected and actual") +unittest { + auto testValue = new EqualThing(1); + auto otherTestValue = new EqualThing(2); + string niceTestValue = HeapSerializerRegistry.instance.niceValue(testValue)[].idup; + string niceOtherTestValue = HeapSerializerRegistry.instance.niceValue(otherTestValue)[].idup; + + auto evaluation = ({ + expect(testValue).to.equal(otherTestValue); + }).recordEvaluation; + + assert(evaluation.result.expected[] == niceOtherTestValue, "expected '" ~ niceOtherTestValue ~ "' but got: " ~ evaluation.result.expected[]); + assert(evaluation.result.actual[] == niceTestValue, "expected '" ~ niceTestValue ~ "' but got: " ~ evaluation.result.actual[]); +} + +@("EqualThing(1) not equal itself reports error with expected and negated") +unittest { + auto testValue = new EqualThing(1); + string niceTestValue = HeapSerializerRegistry.instance.niceValue(testValue)[].idup[].idup; + + auto evaluation = ({ + expect(testValue).to.not.equal(testValue); + }).recordEvaluation; + + assert(evaluation.result.expected[] == "not " ~ niceTestValue, "expected 'not " ~ niceTestValue ~ "' but got: " ~ evaluation.result.expected[]); + assert(evaluation.result.actual[] == niceTestValue, "expected '" ~ niceTestValue ~ "' but got: " ~ evaluation.result.actual[]); + assert(evaluation.result.negated == true, "expected negated to be true"); +} + +@("assoc arrays compares two exact values") +unittest { + string[string] testValue = ["b": "2", "a": "1", "c": "3"]; + + auto evaluation = ({ + expect(testValue).to.equal(testValue); + }).recordEvaluation; + + assert(evaluation.result.expected.length == 0, "equal operation should pass for same assoc array reference"); +} + +@("assoc arrays compares two objects with same fields") +unittest { + string[string] testValue = ["b": "2", "a": "1", "c": "3"]; + string[string] sameTestValue = ["a": "1", "b": "2", "c": "3"]; + + auto evaluation = ({ + expect(testValue).to.equal(sameTestValue); + }).recordEvaluation; + + assert(evaluation.result.expected.length == 0, "equal operation should pass for assoc arrays with same content"); +} + +@("assoc arrays checks if two values are not equal") +unittest { + string[string] testValue = ["b": "2", "a": "1", "c": "3"]; + string[string] otherTestValue = ["a": "3", "b": "2", "c": "1"]; + + auto evaluation = ({ + expect(testValue).to.not.equal(otherTestValue); + }).recordEvaluation; + + assert(evaluation.result.expected.length == 0, "not equal operation should pass for assoc arrays with different content"); +} + +@("assoc array equal different assoc array reports error with expected and actual") +unittest { + string[string] testValue = ["b": "2", "a": "1", "c": "3"]; + string[string] otherTestValue = ["a": "3", "b": "2", "c": "1"]; + string niceTestValue = HeapSerializerRegistry.instance.niceValue(testValue)[].idup; + string niceOtherTestValue = HeapSerializerRegistry.instance.niceValue(otherTestValue)[].idup; + + auto evaluation = ({ + expect(testValue).to.equal(otherTestValue); + }).recordEvaluation; + + assert(evaluation.result.expected[] == niceOtherTestValue, "expected '" ~ niceOtherTestValue ~ "' but got: " ~ evaluation.result.expected[]); + assert(evaluation.result.actual[] == niceTestValue, "expected '" ~ niceTestValue ~ "' but got: " ~ evaluation.result.actual[]); +} + +@("assoc array not equal itself reports error with expected and negated") +unittest { + string[string] testValue = ["b": "2", "a": "1", "c": "3"]; + string niceTestValue = HeapSerializerRegistry.instance.niceValue(testValue)[].idup; + + auto evaluation = ({ + expect(testValue).to.not.equal(testValue); + }).recordEvaluation; + + assert(evaluation.result.expected[] == "not " ~ niceTestValue, "expected 'not " ~ niceTestValue ~ "' but got: " ~ evaluation.result.expected[]); + assert(evaluation.result.actual[] == niceTestValue, "expected '" ~ niceTestValue ~ "' but got: " ~ evaluation.result.actual[]); + assert(evaluation.result.negated == true, "expected negated to be true"); +} + +@("lazy number throwing in equal propagates the exception") +unittest { + Lifecycle.instance.disableFailureHandling = false; + int someLazyInt() { + throw new Exception("This is it."); + } + + ({ + someLazyInt.should.equal(3); + }).should.throwAnyException.withMessage("This is it."); +} + +@("const int equal int succeeds") +unittest { + const actual = 42; + actual.should.equal(42); +} + +@("lazy string throwing in equal propagates the exception") +unittest { + Lifecycle.instance.disableFailureHandling = false; + string someLazyString() { + throw new Exception("This is it."); + } + + ({ + someLazyString.should.equal(""); + }).should.throwAnyException.withMessage("This is it."); +} + +@("const string equal string succeeds") +unittest { + Lifecycle.instance.disableFailureHandling = false; + const string constValue = "test string"; + constValue.should.equal("test string"); +} + +@("immutable string equal string succeeds") +unittest { + Lifecycle.instance.disableFailureHandling = false; + immutable string immutableValue = "test string"; + immutableValue.should.equal("test string"); +} + +@("string equal const string succeeds") +unittest { + Lifecycle.instance.disableFailureHandling = false; + const string constValue = "test string"; + "test string".should.equal(constValue); +} + +@("string equal immutable string succeeds") +unittest { + Lifecycle.instance.disableFailureHandling = false; + immutable string immutableValue = "test string"; + "test string".should.equal(immutableValue); +} + +@("lazy object throwing in equal propagates the exception") +unittest { + Lifecycle.instance.disableFailureHandling = false; + Object someLazyObject() { + throw new Exception("This is it."); + } + + ({ + someLazyObject.should.equal(new Object); + }).should.throwAnyException.withMessage("This is it."); +} + +@("null object equals new object reports message starts with equal") +unittest { + Object nullObject; + + auto evaluation = ({ + nullObject.should.equal(new Object); + }).recordEvaluation; + + evaluation.result.messageString.should.startWith("null should equal Object("); +} + +@("new object equals null reports message starts with equal null") +unittest { + auto evaluation = ({ + (new Object).should.equal(null); + }).recordEvaluation; + + evaluation.result.messageString.should.contain("should equal null."); +} + +// Issue #100: double serialized as scientific notation should equal integer +@("double equals int with same value passes") +unittest { + // 1003200.0 serializes as "1.0032e+06" and 1003200 as "1003200" + // Numeric comparison should still work + (1003200.0).should.equal(1003200); + (1003200).should.equal(1003200.0); +} + +// Issue #100: double serialized as scientific notation should equal integer +@("double equals int with different value fails") +unittest { + auto evaluation = ({ + (1003200.0).should.equal(1003201); + }).recordEvaluation; + + evaluation.result.hasContent().should.equal(true); +} + +version (unittest): +class EqualThing { + int x; + this(int x) { + this.x = x; + } + + override bool opEquals(Object o) @trusted nothrow @nogc { + auto b = cast(typeof(this)) o; + if (b is null) return false; + return this.x == b.x; + } +} + +class Thing { + int x; + this(int x) { + this.x = x; + } + + override bool opEquals(Object o) { + if (typeid(this) != typeid(o)) { + return false; + } + auto b = cast(typeof(this)) o; + return this.x == b.x; + } +} + +// Issue #98: opEquals should be honored when asserting equality +@("opEquals honored for class objects with same field value") +unittest { + auto a1 = new Thing(1); + auto b1 = new Thing(1); + + assert(a1 == b1, "D's == operator should use opEquals"); + + auto evaluation = ({ + a1.should.equal(b1); + }).recordEvaluation; + + assert(evaluation.result.expected.length == 0, "opEquals should return true for objects with same x value, but got expected: " ~ evaluation.result.expected[]); +} + +// Issue #98: opEquals should be honored when asserting equality +@("opEquals honored for class objects with different field values") +unittest { + auto a1 = new Thing(1); + auto a2 = new Thing(2); + + assert(a1 != a2, "D's != operator should use opEquals"); + a1.should.not.equal(a2); +} + +// Issue #96: Object[] and nested arrays should work with equal +@("Object array equal itself passes") +unittest { + Object[] l = [new Object(), new Object()]; + l.should.equal(l); +} + +@("associative array equal itself passes") +unittest { + string[string] al = ["k1": "v1", "k2": "v2"]; + al.should.equal(al); +} + +// Issue #96: Object[] and nested arrays should work with equal +@("nested int array equal passes") +unittest { + import std.range : iota; + import std.algorithm : map; + import std.array : array; + + auto ll = iota(1, 4).map!iota; + ll.map!array.array.should.equal([[0], [0, 1], [0, 1, 2]]); +} + +// Issue #85: range of ranges should work with equal without memory exhaustion +@("issue #85: range of ranges equal passes") +unittest { + import std.range : iota; + import std.algorithm : map; + + auto ror = iota(1, 4).map!iota; + ror.should.equal([[0], [0, 1], [0, 1, 2]]); +} diff --git a/source/fluentasserts/operations/exception/throwable.d b/source/fluentasserts/operations/exception/throwable.d new file mode 100644 index 00000000..56dbda13 --- /dev/null +++ b/source/fluentasserts/operations/exception/throwable.d @@ -0,0 +1,467 @@ +module fluentasserts.operations.exception.throwable; + +public import fluentasserts.core.base; +import fluentasserts.results.printer; +import fluentasserts.core.lifecycle; +import fluentasserts.core.expect; +import fluentasserts.results.serializers.stringprocessing : cleanString; + +import std.string; +import std.conv; + +static immutable throwAnyDescription = "Tests that the tested callable throws an exception."; + +private void addThrownMessage(ref Evaluation evaluation, Throwable thrown, string message) @trusted nothrow { + evaluation.result.addText(". `"); + evaluation.result.addValue(thrown.classinfo.name); + evaluation.result.addText("` saying `"); + evaluation.result.addValue(message); + evaluation.result.addText("` was thrown."); +} + +private void setThrownActual(ref Evaluation evaluation, Throwable thrown, string message) @trusted nothrow { + evaluation.result.actual.put("`"); + evaluation.result.actual.put(thrown.classinfo.name); + evaluation.result.actual.put("` saying `"); + evaluation.result.actual.put(message); + evaluation.result.actual.put("`"); +} + +private string getThrowableMessage(Throwable thrown) @trusted nothrow { + string message; + try { + message = thrown.message.to!string; + } catch (Exception) {} + return message; +} + +version(unittest) { + import fluentasserts.core.lifecycle; + + class CustomException : Exception { + this(string msg, string fileName = "", size_t line = 0, Throwable next = null) { + super(msg, fileName, line, next); + } + } +} + +/// +void throwAnyException(ref Evaluation evaluation) @trusted nothrow { + auto thrown = evaluation.currentValue.throwable; + + if (thrown && evaluation.isNegated) { + string message = getThrowableMessage(thrown); + addThrownMessage(evaluation, thrown, message); + evaluation.result.expected.put("No exception to be thrown"); + setThrownActual(evaluation, thrown, message); + } + + if (!thrown && !evaluation.isNegated) { + evaluation.result.addText(". No exception was thrown."); + evaluation.result.expected.put("Any exception to be thrown"); + evaluation.result.actual.put("Nothing was thrown"); + } + + if (thrown && !evaluation.isNegated && "Throwable" in evaluation.currentValue.meta) { + string message = getThrowableMessage(thrown); + evaluation.result.addText(". A `Throwable` saying `"); + evaluation.result.addValue(message); + evaluation.result.addText("` was thrown."); + evaluation.result.expected.put("Any exception to be thrown"); + evaluation.result.actual.put("A `Throwable` with message `"); + evaluation.result.actual.put(message); + evaluation.result.actual.put("` was thrown"); + } + + evaluation.throwable = thrown; + evaluation.currentValue.throwable = null; +} + +@("non-throwing function not throwAnyException succeeds") +unittest { + Lifecycle.instance.disableFailureHandling = false; + void test() {} + expect({ test(); }).to.not.throwAnyException(); +} + +@("throwing function not throwAnyException reports error with expected and actual") +unittest { + void test() { throw new Exception("Test exception"); } + + auto evaluation = ({ + expect({ test(); }).to.not.throwAnyException(); + }).recordEvaluation; + + expect(evaluation.result.messageString).to.contain("should not throw any exception. `object.Exception` saying `Test exception` was thrown."); + expect(evaluation.result.expected[]).to.equal("No exception to be thrown"); + expect(evaluation.result.actual[]).to.equal("`object.Exception` saying `Test exception`"); +} + +@("throwing function throwAnyException succeeds") +unittest { + Lifecycle.instance.disableFailureHandling = false; + void test() { throw new Exception("test"); } + expect({ test(); }).to.throwAnyException; +} + +@("function throwing Throwable throwAnyException reports error with expected and actual") +unittest { + void test() { assert(false); } + + auto evaluation = ({ + expect({ test(); }).to.throwAnyException; + }).recordEvaluation; + + expect(evaluation.result.messageString).to.contain("should throw any exception."); + expect(evaluation.result.messageString).to.contain("Throwable"); + expect(evaluation.result.expected[]).to.equal("Any exception to be thrown"); + // The actual message contains verbose assertion output from the fluentHandler + expect(evaluation.result.actual[].length > 0).to.equal(true); +} + +@("function throwing any exception throwAnyException succeeds") +unittest { + Lifecycle.instance.disableFailureHandling = false; + void test() { throw new Exception("test"); } + expect({ test(); }).to.throwAnyException; +} + +void throwAnyExceptionWithMessage(ref Evaluation evaluation) @trusted nothrow { + auto thrown = evaluation.currentValue.throwable; + + if (thrown && evaluation.isNegated) { + string message = getThrowableMessage(thrown); + addThrownMessage(evaluation, thrown, message); + evaluation.result.expected.put("No exception to be thrown"); + setThrownActual(evaluation, thrown, message); + } + + if (!thrown && !evaluation.isNegated) { + evaluation.result.addText(". Nothing was thrown."); + evaluation.result.expected.put("Any exception to be thrown"); + evaluation.result.actual.put("Nothing was thrown"); + } + + if (thrown && !evaluation.isNegated && "Throwable" in evaluation.currentValue.meta) { + string message = getThrowableMessage(thrown); + evaluation.result.addText(". A `Throwable` saying `"); + evaluation.result.addValue(message); + evaluation.result.addText("` was thrown."); + evaluation.result.expected.put("Any throwable with the message `"); + evaluation.result.expected.put(message); + evaluation.result.expected.put("` to be thrown"); + evaluation.result.actual.put("A `"); + evaluation.result.actual.put(thrown.classinfo.name); + evaluation.result.actual.put("` with message `"); + evaluation.result.actual.put(message); + evaluation.result.actual.put("` was thrown"); + } + + evaluation.throwable = thrown; + evaluation.currentValue.throwable = null; +} + +/// throwSomething - accepts any Throwable including Error/AssertError +void throwSomething(ref Evaluation evaluation) @trusted nothrow { + auto thrown = evaluation.currentValue.throwable; + + if (thrown && evaluation.isNegated) { + string message = getThrowableMessage(thrown); + addThrownMessage(evaluation, thrown, message); + evaluation.result.expected.put("No throwable to be thrown"); + setThrownActual(evaluation, thrown, message); + } + + if (!thrown && !evaluation.isNegated) { + evaluation.result.addText(". Nothing was thrown."); + evaluation.result.expected.put("Any throwable to be thrown"); + evaluation.result.actual.put("Nothing was thrown"); + } + + evaluation.throwable = thrown; + evaluation.currentValue.throwable = null; +} + +/// throwSomethingWithMessage - accepts any Throwable including Error/AssertError +void throwSomethingWithMessage(ref Evaluation evaluation) @trusted nothrow { + auto thrown = evaluation.currentValue.throwable; + + if (thrown && evaluation.isNegated) { + string message = getThrowableMessage(thrown); + addThrownMessage(evaluation, thrown, message); + evaluation.result.expected.put("No throwable to be thrown"); + setThrownActual(evaluation, thrown, message); + } + + if (!thrown && !evaluation.isNegated) { + evaluation.result.addText(". Nothing was thrown."); + evaluation.result.expected.put("Any throwable to be thrown"); + evaluation.result.actual.put("Nothing was thrown"); + } + + evaluation.throwable = thrown; + evaluation.currentValue.throwable = null; +} + +@("throwSomething catches assert failures") +unittest { + Lifecycle.instance.disableFailureHandling = false; + ({ + assert(false, "test"); + }).should.throwSomething.withMessage.equal("test"); +} + +@("throwSomething works with withMessage directly") +unittest { + Lifecycle.instance.disableFailureHandling = false; + ({ + assert(false, "test"); + }).should.throwSomething.withMessage("test"); +} + +/// +void throwException(ref Evaluation evaluation) @trusted nothrow { + string exceptionType; + + if ("exceptionType" in evaluation.expectedValue.meta) { + exceptionType = cleanString(evaluation.expectedValue.meta["exceptionType"].idup); + } + + auto thrown = evaluation.currentValue.throwable; + + if (thrown && evaluation.isNegated && thrown.classinfo.name == exceptionType) { + string message = getThrowableMessage(thrown); + addThrownMessage(evaluation, thrown, message); + evaluation.result.expected.put("no `"); + evaluation.result.expected.put(exceptionType); + evaluation.result.expected.put("` to be thrown"); + setThrownActual(evaluation, thrown, message); + } + + if (thrown && !evaluation.isNegated && thrown.classinfo.name != exceptionType) { + string message = getThrowableMessage(thrown); + addThrownMessage(evaluation, thrown, message); + evaluation.result.expected.put(exceptionType); + setThrownActual(evaluation, thrown, message); + } + + if (!thrown && !evaluation.isNegated) { + evaluation.result.addText(". No exception was thrown."); + evaluation.result.expected.put("`"); + evaluation.result.expected.put(exceptionType); + evaluation.result.expected.put("` to be thrown"); + evaluation.result.actual.put("Nothing was thrown"); + } + + evaluation.throwable = thrown; + evaluation.currentValue.throwable = null; +} + +@("CustomException throwException CustomException succeeds") +unittest { + Lifecycle.instance.disableFailureHandling = false; + expect({ + throw new CustomException("test"); + }).to.throwException!CustomException; +} + +@("non-throwing throwException Exception reports error with expected and actual") +unittest { + auto evaluation = ({ + ({}).should.throwException!Exception; + }).recordEvaluation; + + expect(evaluation.result.messageString).to.contain("should throw exception"); + expect(evaluation.result.messageString).to.contain("No exception was thrown."); + expect(evaluation.result.expected[]).to.equal("`object.Exception` to be thrown"); + expect(evaluation.result.actual[]).to.equal("Nothing was thrown"); +} + +@("Exception throwException CustomException reports error with expected and actual") +unittest { + auto evaluation = ({ + expect({ + throw new Exception("test"); + }).to.throwException!CustomException; + }).recordEvaluation; + + expect(evaluation.result.messageString).to.contain("should throw exception"); + expect(evaluation.result.messageString).to.contain("`object.Exception` saying `test` was thrown."); + expect(evaluation.result.expected[]).to.equal("fluentasserts.operations.exception.throwable.CustomException"); + expect(evaluation.result.actual[]).to.equal("`object.Exception` saying `test`"); +} + +@("Exception not throwException CustomException succeeds") +unittest { + Lifecycle.instance.disableFailureHandling = false; + expect({ + throw new Exception("test"); + }).to.not.throwException!CustomException; +} + +@("CustomException not throwException CustomException reports error with expected and actual") +unittest { + auto evaluation = ({ + expect({ + throw new CustomException("test"); + }).to.not.throwException!CustomException; + }).recordEvaluation; + + expect(evaluation.result.messageString).to.contain("should not throw exception"); + expect(evaluation.result.messageString).to.contain("`fluentasserts.operations.exception.throwable.CustomException` saying `test` was thrown."); + expect(evaluation.result.expected[]).to.equal("no `fluentasserts.operations.exception.throwable.CustomException` to be thrown"); + expect(evaluation.result.actual[]).to.equal("`fluentasserts.operations.exception.throwable.CustomException` saying `test`"); +} + +void throwExceptionWithMessage(ref Evaluation evaluation) @trusted nothrow { + string exceptionType; + string message; + string expectedMessage = evaluation.expectedValue.strValue[].idup; + + if(expectedMessage.startsWith(`"`)) { + expectedMessage = expectedMessage[1..$-1]; + } + + if ("exceptionType" in evaluation.expectedValue.meta) { + exceptionType = cleanString(evaluation.expectedValue.meta["exceptionType"].idup); + } + + auto thrown = evaluation.currentValue.throwable; + evaluation.throwable = thrown; + evaluation.currentValue.throwable = null; + + if (thrown) { + message = getThrowableMessage(thrown); + } + + if (!thrown && !evaluation.isNegated) { + evaluation.result.addText(". No exception was thrown."); + evaluation.result.expected.put("`"); + evaluation.result.expected.put(exceptionType); + evaluation.result.expected.put("` with message `"); + evaluation.result.expected.put(expectedMessage); + evaluation.result.expected.put("` to be thrown"); + evaluation.result.actual.put("nothing was thrown"); + } + + if (thrown && !evaluation.isNegated && thrown.classinfo.name != exceptionType) { + addThrownMessage(evaluation, thrown, message); + evaluation.result.expected.put("`"); + evaluation.result.expected.put(exceptionType); + evaluation.result.expected.put("` to be thrown"); + setThrownActual(evaluation, thrown, message); + } + + if (thrown && !evaluation.isNegated && thrown.classinfo.name == exceptionType && message != expectedMessage) { + addThrownMessage(evaluation, thrown, message); + evaluation.result.expected.put("`"); + evaluation.result.expected.put(exceptionType); + evaluation.result.expected.put("` saying `"); + evaluation.result.expected.put(message); + evaluation.result.expected.put("` to be thrown"); + setThrownActual(evaluation, thrown, message); + } +} + +@("non-throwing throwException Exception withMessage reports error with expected and actual") +unittest { + auto evaluation = ({ + expect({}).to.throwException!Exception.withMessage.equal("test"); + }).recordEvaluation; + + expect(evaluation.result.messageString).to.contain("should throw exception"); + expect(evaluation.result.messageString).to.contain("with message equal test"); + expect(evaluation.result.messageString).to.contain("No exception was thrown."); +} + +@("non-throwing not throwException Exception withMessage succeeds") +unittest { + Lifecycle.instance.disableFailureHandling = false; + expect({}).not.to.throwException!Exception.withMessage.equal("test"); +} + +@("CustomException throwException Exception withMessage reports error with expected and actual") +unittest { + auto evaluation = ({ + expect({ + throw new CustomException("hello"); + }).to.throwException!Exception.withMessage.equal("test"); + }).recordEvaluation; + + expect(evaluation.result.messageString).to.contain("should throw exception"); + expect(evaluation.result.messageString).to.contain("with message equal test"); + expect(evaluation.result.messageString).to.contain("`fluentasserts.operations.exception.throwable.CustomException` saying `hello` was thrown."); +} + +@("CustomException not throwException Exception withMessage succeeds") +unittest { + Lifecycle.instance.disableFailureHandling = false; + expect({ + throw new CustomException("hello"); + }).not.to.throwException!Exception.withMessage.equal("test"); +} + +@("CustomException hello throwException CustomException withMessage test reports error with expected and actual") +unittest { + auto evaluation = ({ + expect({ + throw new CustomException("hello"); + }).to.throwException!CustomException.withMessage.equal("test"); + }).recordEvaluation; + + expect(evaluation.result.messageString).to.contain("should throw exception"); + expect(evaluation.result.messageString).to.contain("with message equal test"); + expect(evaluation.result.messageString).to.contain("`fluentasserts.operations.exception.throwable.CustomException` saying `hello` was thrown."); +} + +@("CustomException hello not throwException CustomException withMessage test succeeds") +unittest { + Lifecycle.instance.disableFailureHandling = false; + expect({ + throw new CustomException("hello"); + }).not.to.throwException!CustomException.withMessage.equal("test"); +} + +@("throwException allows access to thrown exception via .thrown") +unittest { + Lifecycle.instance.disableFailureHandling = false; + class DataException : Exception { + int data; + this(int data, string msg, string fileName = "", size_t line = 0, Throwable next = null) { + super(msg, fileName, line, next); + this.data = data; + } + } + + auto thrown = ({ + throw new DataException(2, "test"); + }).should.throwException!DataException.thrown; + + thrown.should.not.beNull; + thrown.msg.should.equal("test"); + (cast(DataException) thrown).data.should.equal(2); +} + +@("throwAnyException returns message for chaining") +unittest { + Lifecycle.instance.disableFailureHandling = false; + ({ + throw new Exception("test"); + }).should.throwAnyException.msg.should.equal("test"); +} + +// Issue #81: withMessage.equal should show user's source code, not library internals +@("issue #81: throwException withMessage equal shows correct source location") +unittest { + auto evaluation = ({ + expect({ + throw new CustomException("actual message"); + }).to.throwException!CustomException.withMessage.equal("expected message"); + }).recordEvaluation; + + // The source location should point to this test file, not library internals + expect(evaluation.source.file).to.contain("throwable.d"); + // Should NOT point to base.d or evaluator.d (library internals) + expect(evaluation.source.file).to.not.contain("base.d"); + expect(evaluation.source.file).to.not.contain("evaluator.d"); +} diff --git a/source/fluentasserts/operations/memory/gcMemory.d b/source/fluentasserts/operations/memory/gcMemory.d new file mode 100644 index 00000000..75485f02 --- /dev/null +++ b/source/fluentasserts/operations/memory/gcMemory.d @@ -0,0 +1,109 @@ +module fluentasserts.operations.memory.gcMemory; + +import fluentasserts.core.evaluation.eval : Evaluation; +import fluentasserts.core.config : config = FluentAssertsConfig; +import std.conv; + +version(unittest) { + import fluent.asserts; +} + +string formatBytes(size_t bytes) @safe nothrow { + static immutable string[] units = ["bytes", "KB", "MB", "GB", "TB"]; + + if (bytes == 0) return "0 bytes"; + if (bytes == 1) return "1 byte"; + + double size = bytes; + size_t unitIndex = 0; + + while (size >= config.numeric.bytesPerKilobyte && unitIndex < units.length - 1) { + size /= config.numeric.bytesPerKilobyte; + unitIndex++; + } + + try { + if (unitIndex == 0) { + return bytes.to!string ~ " bytes"; + } + return format!"%.2f %s"(size, units[unitIndex]); + } catch (Exception) { + return "? bytes"; + } +} + +private string format(string fmt, Args...)(Args args) @safe nothrow { + import std.format : format; + try { + return format!fmt(args); + } catch (Exception) { + return ""; + } +} + +void allocateGCMemory(ref Evaluation evaluation) @safe nothrow { + evaluation.result.addText(". "); + evaluation.currentValue.typeNames.put("event"); + evaluation.expectedValue.typeNames.put("event"); + + auto didAllocate = evaluation.currentValue.gcMemoryUsed > 0; + auto passed = evaluation.isNegated ? !didAllocate : didAllocate; + + if (passed) { + return; + } + + evaluation.result.addValue(evaluation.currentValue.strValue[]); + evaluation.result.addText(evaluation.isNegated ? " did not allocate GC memory." : " allocated GC memory."); + + evaluation.result.expected.put(evaluation.isNegated ? "not to allocate GC memory" : "to allocate GC memory"); + evaluation.result.actual.put("allocated "); + evaluation.result.actual.put(evaluation.currentValue.gcMemoryUsed.formatBytes); +} + +@("it does not fail when a callable allocates memory and it is expected to") +unittest { + ({ + auto heapArray = new int[1000]; + return heapArray.length; + }).should.allocateGCMemory(); +} + +@("updateDocs it fails when a callable does not allocate memory and it is expected to") +unittest { + auto evaluation = ({ + ({ + int[4] stackArray = [1,2,3,4]; + return stackArray.length; + }).should.allocateGCMemory(); + }).recordEvaluation; + + expect(evaluation.result.expected[]).to.equal(`to allocate GC memory`); + expect(evaluation.result.actual[]).to.equal("allocated 0 bytes"); +} + +@("it fails when a callable allocates memory and it is not expected to") +unittest { + auto evaluation = ({ + ({ + auto heapArray = new int[1000]; + return heapArray.length; + }).should.not.allocateGCMemory(); + }).recordEvaluation; + + expect(evaluation.result.expected[]).to.equal(`not to allocate GC memory`); + expect(evaluation.result.actual[].idup).to.startWith("allocated "); + expect(evaluation.result.actual[].idup).to.contain("KB"); +} + +@("it does not fail when a callable does not allocate memory and it is not expected to") +unittest { + auto evaluation = ({ + ({ + int[4] stackArray = [1,2,3,4]; + return stackArray.length; + }).should.not.allocateGCMemory(); + }).recordEvaluation; + + expect(evaluation.result.hasContent()).to.equal(false); +} \ No newline at end of file diff --git a/source/fluentasserts/operations/memory/nonGcMemory.d b/source/fluentasserts/operations/memory/nonGcMemory.d new file mode 100644 index 00000000..73f843f6 --- /dev/null +++ b/source/fluentasserts/operations/memory/nonGcMemory.d @@ -0,0 +1,102 @@ +module fluentasserts.operations.memory.nonGcMemory; + +import fluentasserts.core.evaluation.eval : Evaluation; +import fluentasserts.operations.memory.gcMemory : formatBytes; + +version(unittest) { + import fluent.asserts; + import core.stdc.stdlib : malloc, free; +} + +void allocateNonGCMemory(ref Evaluation evaluation) @safe nothrow { + evaluation.result.addText(". "); + evaluation.currentValue.typeNames.put("event"); + evaluation.expectedValue.typeNames.put("event"); + + auto didAllocate = evaluation.currentValue.nonGCMemoryUsed > 0; + auto passed = evaluation.isNegated ? !didAllocate : didAllocate; + + if (passed) { + return; + } + + evaluation.result.addValue(evaluation.currentValue.strValue[]); + evaluation.result.addText(evaluation.isNegated ? " did not allocate non-GC memory." : " allocated non-GC memory."); + + evaluation.result.expected.put(evaluation.isNegated ? "not to allocate non-GC memory" : "to allocate non-GC memory"); + evaluation.result.actual.put("allocated "); + evaluation.result.actual.put(evaluation.currentValue.nonGCMemoryUsed.formatBytes); +} + +// Non-GC memory tracking for large allocations works on Linux (using mallinfo). +// Note: mallinfo() reports total heap state, so small runtime allocations may be detected +// even when the tested code doesn't allocate. This is a platform limitation. +// macOS and Windows don't have reliable non-GC memory delta tracking. +version (linux) { + @("it does not fail when a callable allocates non-GC memory and it is expected to") + unittest { + void* leaked; + ({ + auto p = (() @trusted => malloc(10 * 1024 * 1024))(); + if (p !is null) { + (() @trusted => (cast(ubyte*)p)[0] = 1)(); + } + leaked = p; + return p !is null; + }).should.allocateNonGCMemory(); + (() @trusted => free(leaked))(); + } +} + +// This test only runs on non-Linux platforms because mallinfo() picks up runtime noise. +// On Linux, even code that doesn't allocate may show allocations due to runtime activity. +version (linux) {} else { + @("it fails when a callable does not allocate non-GC memory and it is expected to") + unittest { + auto evaluation = ({ + ({ + int[4] stackArray = [1,2,3,4]; + return stackArray.length; + }).should.allocateNonGCMemory(); + }).recordEvaluation; + + expect(evaluation.result.expected[]).to.equal(`to allocate non-GC memory`); + expect(evaluation.result.actual[]).to.startWith("allocated "); + } +} + +version (linux) { + @("it fails when a callable allocates non-GC memory and it is not expected to") + unittest { + void* leaked; + auto evaluation = ({ + ({ + auto p = (() @trusted => malloc(10 * 1024 * 1024))(); + if (p !is null) { + (() @trusted => (cast(ubyte*)p)[0] = 1)(); + } + leaked = p; + return p !is null; + }).should.not.allocateNonGCMemory(); + }).recordEvaluation; + (() @trusted => free(leaked))(); + + expect(evaluation.result.expected[]).to.equal(`not to allocate non-GC memory`); + expect(evaluation.result.actual[].idup).to.startWith("allocated "); + expect(evaluation.result.actual[].idup).to.endWith("MB"); + } +} + +// Non-GC memory tracking uses process-wide metrics (phys_footprint on macOS). +// This test is disabled because parallel test execution causes false positives - +// other threads' allocations are included in the measurement. +// To run this test accurately, use: dub test -- -j1 (single-threaded) +version (none) { + @("it does not fail when a callable does not allocate non-GC memory and it is not expected to") + unittest { + ({ + int[4] stackArray = [1,2,3,4]; + return stackArray.length; + }).should.not.allocateNonGCMemory(); + } +} diff --git a/source/fluentasserts/core/operations/registry.d b/source/fluentasserts/operations/registry.d similarity index 74% rename from source/fluentasserts/core/operations/registry.d rename to source/fluentasserts/operations/registry.d index 4da26ad0..4d40f446 100644 --- a/source/fluentasserts/core/operations/registry.d +++ b/source/fluentasserts/operations/registry.d @@ -1,7 +1,8 @@ -module fluentasserts.core.operations.registry; +module fluentasserts.operations.registry; -import fluentasserts.core.results; -import fluentasserts.core.evaluation; +import fluentasserts.results.printer; +import fluentasserts.core.evaluation.eval : Evaluation; +import fluentasserts.core.evaluation.types : extractTypes; import std.functional; import std.string; @@ -9,10 +10,10 @@ import std.array; import std.algorithm; /// Delegate type that can handle asserts -alias Operation = IResult[] delegate(ref Evaluation) @safe nothrow; +alias Operation = void delegate(ref Evaluation) @safe nothrow; /// ditto -alias OperationFunc = IResult[] delegate(ref Evaluation) @safe nothrow; +alias OperationFunc = void delegate(ref Evaluation) @safe nothrow; struct OperationPair { @@ -20,7 +21,8 @@ struct OperationPair { string expectedValueType; } -/// +/// Central registry for assertion operations. +/// Maintains a mapping of type pairs to operation handlers. class Registry { /// Global instance for the assert operations static Registry instance; @@ -33,9 +35,12 @@ class Registry { /// Register a new assert operation Registry register(T, U)(string name, Operation operation) { - foreach(valueType; extractTypes!T) { - foreach(expectedValueType; extractTypes!U) { - register(valueType, expectedValueType, name, operation); + auto valueTypes = extractTypes!T; + auto expectedValueTypes = extractTypes!U; + + foreach (i; 0 .. valueTypes.length) { + foreach (j; 0 .. expectedValueTypes.length) { + register(valueTypes[i][].idup, expectedValueTypes[j][].idup, name, operation); } } @@ -43,7 +48,7 @@ class Registry { } /// ditto - Registry register(T, U)(string name, IResult[] function(ref Evaluation) @safe nothrow operation) { + Registry register(T, U)(string name, void function(ref Evaluation) @safe nothrow operation) { const operationDelegate = operation.toDelegate; return this.register!(T, U)(name, operationDelegate); } @@ -59,7 +64,7 @@ class Registry { } /// ditto - Registry register(string valueType, string expectedValueType, string name, IResult[] function(ref Evaluation) @safe nothrow operation) { + Registry register(string valueType, string expectedValueType, string name, void function(ref Evaluation) @safe nothrow operation) { return this.register(valueType, expectedValueType, name, operation.toDelegate); } @@ -84,17 +89,17 @@ class Registry { } /// - IResult[] handle(ref Evaluation evaluation) @safe nothrow { + void handle(ref Evaluation evaluation) @safe nothrow { if(evaluation.operationName == "" || evaluation.operationName == "to" || evaluation.operationName == "should") { - return []; + return; } auto operation = this.get( - evaluation.currentValue.typeName, - evaluation.expectedValue.typeName, + evaluation.currentValue.typeName.idup, + evaluation.expectedValue.typeName.idup, evaluation.operationName); - return operation(evaluation); + operation(evaluation); } /// @@ -144,16 +149,17 @@ class Registry { @("generates a list of md links for docs") unittest { + Lifecycle.instance.disableFailureHandling = false; import std.datetime; - import fluentasserts.core.operations.equal; - import fluentasserts.core.operations.lessThan; + import fluentasserts.operations.comparison.lessThan; + import fluentasserts.operations.type.beNull; auto instance = new Registry(); - instance.register("*", "*", "equal", &equal); + instance.register("*", "*", "beNull", &beNull); instance.register!(Duration, Duration)("lessThan", &lessThanDuration); - instance.docs.should.equal("- [equal](api/equal.md)\n" ~ "- [lessThan](api/lessThan.md)"); + instance.docs.should.equal("- [beNull](api/beNull.md)\n" ~ "- [lessThan](api/lessThan.md)"); } string[] generalizeKey(string valueType, string expectedValueType, string name) @safe nothrow { @@ -219,34 +225,41 @@ string[] generalizeType(string typeName) @safe nothrow { version(unittest) { import fluentasserts.core.base; -} + + import fluentasserts.core.lifecycle;} @("generalizeType returns [*] for int") unittest { + Lifecycle.instance.disableFailureHandling = false; generalizeType("int").should.equal(["*"]); } @("generalizeType returns [*[]] for int[]") unittest { + Lifecycle.instance.disableFailureHandling = false; generalizeType("int[]").should.equal(["*[]"]); } @("generalizeType returns [*[][]] for int[][]") unittest { + Lifecycle.instance.disableFailureHandling = false; generalizeType("int[][]").should.equal(["*[][]"]); } @("generalizeType returns generalized forms for int[int]") unittest { + Lifecycle.instance.disableFailureHandling = false; generalizeType("int[int]").should.equal(["*[int]", "int[*]", "*[*]"]); } @("generalizeType returns generalized forms for int[int][][string][]") unittest { + Lifecycle.instance.disableFailureHandling = false; generalizeType("int[int][][string][]").should.equal(["*[int][][string][]", "int[*][][*][]", "*[*][][*][]"]); } @("generalizeType returns generalized forms for int[int[]]") unittest { + Lifecycle.instance.disableFailureHandling = false; generalizeType("int[int[]]").should.equal(["*[int[]]", "int[*]", "*[*]"]); } diff --git a/source/fluentasserts/operations/snapshot.d b/source/fluentasserts/operations/snapshot.d new file mode 100644 index 00000000..46a0c264 --- /dev/null +++ b/source/fluentasserts/operations/snapshot.d @@ -0,0 +1,312 @@ +module fluentasserts.operations.snapshot; + +version (unittest) { + import fluent.asserts; + import fluentasserts.core.base; + import fluentasserts.core.expect; + import fluentasserts.core.lifecycle; + import fluentasserts.core.evaluation.eval : Evaluation; + import fluentasserts.core.config : config = FluentAssertsConfig, OutputFormat; + import std.stdio; + import std.file; + import std.array; + import std.algorithm : canFind; + import std.regex; +} + +/// Normalizes snapshot output by removing unstable elements like line numbers and object addresses. +string normalizeSnapshot(string input) { + auto lineNormalized = replaceAll(input, regex(r"\.d:\d+"), ".d:XXX"); + auto addressNormalized = replaceAll(lineNormalized, regex(r"\(\d{7,}\)"), "(XXX)"); + return addressNormalized; +} + +/// Snapshot test case definition. +struct SnapshotTest { + string name; + string posCode; + string negCode; + string expectedPos; + string expectedNeg; + string actualPos; + string actualNeg; +} + +/// All snapshot test definitions. +immutable snapshotTests = [ + SnapshotTest("equal scalar", + "expect(5).to.equal(3)", "expect(5).to.not.equal(5)", + "3", "not 5", "5", "5"), + SnapshotTest("equal string", + `expect("hello").to.equal("world")`, `expect("hello").to.not.equal("hello")`, + "world", "not hello", "hello", "hello"), + SnapshotTest("equal array", + "expect([1,2,3]).to.equal([1,2,4])", "expect([1,2,3]).to.not.equal([1,2,3])", + "[1, 2, 4]", "not [1, 2, 3]", "[1, 2, 3]", "[1, 2, 3]"), + SnapshotTest("contain string", + `expect("hello").to.contain("xyz")`, `expect("hello").to.not.contain("ell")`, + "to contain xyz", "not to contain ell", "hello", "hello"), + SnapshotTest("contain array", + "expect([1,2,3]).to.contain(5)", "expect([1,2,3]).to.not.contain(2)", + "to contain 5", "not to contain 2", "[1, 2, 3]", "[1, 2, 3]"), + SnapshotTest("containOnly", + "expect([1,2,3]).to.containOnly([1,2])", "expect([1,2,3]).to.not.containOnly([1,2,3])", + "to contain only [1, 2]", "not to contain only [1, 2, 3]", "[1, 2, 3]", "[1, 2, 3]"), + SnapshotTest("startWith", + `expect("hello").to.startWith("xyz")`, `expect("hello").to.not.startWith("hel")`, + "to start with xyz", "not to start with hel", "hello", "hello"), + SnapshotTest("endWith", + `expect("hello").to.endWith("xyz")`, `expect("hello").to.not.endWith("llo")`, + "to end with xyz", "not to end with llo", "hello", "hello"), + SnapshotTest("approximately scalar", + "expect(0.5).to.be.approximately(0.3, 0.1)", "expect(0.351).to.not.be.approximately(0.35, 0.01)", + "0.3±0.1", "0.35±0.01", "0.5", "0.351"), + SnapshotTest("approximately array", + "expect([0.5]).to.be.approximately([0.3], 0.1)", "expect([0.35]).to.not.be.approximately([0.35], 0.01)", + "[0.3±0.1]", "[0.35±0.01]", "[0.5]", "[0.35]"), + SnapshotTest("greaterThan", + "expect(3).to.be.greaterThan(5)", "expect(5).to.not.be.greaterThan(3)", + "greater than 5", "less than or equal to 3", "3", "5"), + SnapshotTest("lessThan", + "expect(5).to.be.lessThan(3)", "expect(3).to.not.be.lessThan(5)", + "less than 3", "greater than or equal to 5", "5", "3"), + SnapshotTest("between", + "expect(10).to.be.between(1, 5)", "expect(3).to.not.be.between(1, 5)", + "a value inside (1, 5) interval", "a value outside (1, 5) interval", "10", "3"), + SnapshotTest("greaterOrEqualTo", + "expect(3).to.be.greaterOrEqualTo(5)", "expect(5).to.not.be.greaterOrEqualTo(3)", + "greater or equal than 5", "less than 3", "3", "5"), + SnapshotTest("lessOrEqualTo", + "expect(5).to.be.lessOrEqualTo(3)", "expect(3).to.not.be.lessOrEqualTo(5)", + "less or equal to 3", "greater than 5", "5", "3"), + SnapshotTest("instanceOf", + "expect(new Object()).to.be.instanceOf!Exception", + `expect(new Exception("test")).to.not.be.instanceOf!Object`, + "typeof object.Exception", "not typeof object.Object", + "typeof object.Object", "typeof object.Exception"), + SnapshotTest("beNull", + "expect(new Object()).to.beNull", "expect(null).to.not.beNull", + "null", "not null", "object.Object", "null"), +]; + +/// Runs a positive snapshot test in its own stack frame. +void runPositiveTest(string code, string expectedPos, string actualPos)() { + import std.conv : to; + + mixin("auto eval = recordEvaluation({ " ~ code ~ "; });"); + assert(eval.result.expected[] == expectedPos, + "Expected '" ~ expectedPos ~ "' but got '" ~ eval.result.expected[].to!string ~ "'"); + assert(eval.result.actual[] == actualPos, + "Actual expected '" ~ actualPos ~ "' but got '" ~ eval.result.actual[].to!string ~ "'"); + assert(eval.result.negated == false); +} + +/// Runs a negated snapshot test in its own stack frame. +void runNegatedTest(string code, string expectedNeg, string actualNeg)() { + import std.conv : to; + + mixin("auto eval = recordEvaluation({ " ~ code ~ "; });"); + assert(eval.result.expected[] == expectedNeg, + "Neg expected '" ~ expectedNeg ~ "' but got '" ~ eval.result.expected[].to!string ~ "'"); + assert(eval.result.actual[] == actualNeg, + "Neg actual expected '" ~ actualNeg ~ "' but got '" ~ eval.result.actual[].to!string ~ "'"); + assert(eval.result.negated == true); +} + +/// Generates a snapshot test for a given test case. +mixin template GenerateSnapshotTest(size_t idx) { + enum test = snapshotTests[idx]; + + @("snapshot: " ~ test.name) + unittest { + runPositiveTest!(test.posCode, test.expectedPos, test.actualPos)(); + runNegatedTest!(test.negCode, test.expectedNeg, test.actualNeg)(); + } +} + +// Generate all snapshot tests +static foreach (i; 0 .. snapshotTests.length) { + mixin GenerateSnapshotTest!i; +} + +// Special tests for multiline strings (require custom assertions) +@("snapshot: equal multiline string with line change") +unittest { + string actual = "line1\nline2\nline3\nline4"; + string expected = "line1\nchanged\nline3\nline4"; + + auto posEval = recordEvaluation({ expect(actual).to.equal(expected); }); + assert(posEval.result.expected[].canFind("1: line1")); + assert(posEval.result.expected[].canFind("2: changed")); + assert(posEval.result.actual[].canFind("1: line1")); + assert(posEval.result.actual[].canFind("2: line2")); + assert(posEval.result.negated == false); + assert(posEval.toString().canFind("Diff:")); +} + +@("snapshot: equal multiline string with char change") +unittest { + string actual = "function test() {\n return value;\n}"; + string expected = "function test() {\n return values;\n}"; + + auto posEval = recordEvaluation({ expect(actual).to.equal(expected); }); + assert(posEval.result.expected[].canFind("1: function test()")); + assert(posEval.result.expected[].canFind("3: }")); + assert(posEval.result.actual[].canFind("1: function test()")); + assert(posEval.result.negated == false); + assert(posEval.toString().canFind("Diff:")); +} + +@("snapshot: compact format output") +unittest { + auto previousFormat = config.output.format; + scope(exit) config.output.setFormat(previousFormat); + + config.output.setFormat(OutputFormat.compact); + + auto eval = recordEvaluation({ expect(5).to.equal(3); }); + auto output = eval.toString(); + + assert(output.canFind("FAIL:"), "Compact format should start with FAIL:"); + assert(output.canFind("actual=5"), "Compact format should contain actual=5"); + assert(output.canFind("expected=3"), "Compact format should contain expected=3"); + assert(output.canFind("|"), "Compact format should use | as separator"); + assert(!output.canFind("ASSERTION FAILED:"), "Compact format should not contain ASSERTION FAILED:"); + assert(!output.canFind("OPERATION:"), "Compact format should not contain OPERATION:"); +} + +@("snapshot: tap format output") +unittest { + auto previousFormat = config.output.format; + scope(exit) config.output.setFormat(previousFormat); + + config.output.setFormat(OutputFormat.tap); + + auto eval = recordEvaluation({ expect(5).to.equal(3); }); + auto output = eval.toString(); + + assert(output.canFind("not ok"), "TAP format should start with 'not ok'"); + assert(output.canFind("---"), "TAP format should contain YAML block start '---'"); + assert(output.canFind("actual:"), "TAP format should contain 'actual:'"); + assert(output.canFind("expected:"), "TAP format should contain 'expected:'"); + assert(output.canFind("at:"), "TAP format should contain 'at:'"); + assert(output.canFind("..."), "TAP format should contain YAML block end '...'"); + assert(!output.canFind("ASSERTION FAILED:"), "TAP format should not contain ASSERTION FAILED:"); +} + +@("snapshot: verbose format output (default)") +unittest { + auto previousFormat = config.output.format; + scope(exit) config.output.setFormat(previousFormat); + + config.output.setFormat(OutputFormat.verbose); + + auto eval = recordEvaluation({ expect(5).to.equal(3); }); + auto output = eval.toString(); + + assert(output.canFind("ASSERTION FAILED:"), "Verbose format should contain ASSERTION FAILED:"); + assert(output.canFind("OPERATION:"), "Verbose format should contain OPERATION:"); + assert(output.canFind("ACTUAL:"), "Verbose format should contain ACTUAL:"); + assert(output.canFind("EXPECTED:"), "Verbose format should contain EXPECTED:"); +} + +/// Helper to run a positive test and return output string. +string runPosAndGetOutput(string code)() { + mixin("auto eval = recordEvaluation({ " ~ code ~ "; });"); + return normalizeSnapshot(eval.toString()); +} + +/// Helper to run a negated test and return output string. +string runNegAndGetOutput(string code)() { + mixin("auto eval = recordEvaluation({ " ~ code ~ "; });"); + return normalizeSnapshot(eval.toString()); +} + +/// Generates snapshot content for a single test at compile time. +mixin template GenerateSnapshotContent(size_t idx, Appender) { + enum test = snapshotTests[idx]; + + static void appendContent(ref Appender output) { + output.put("\n## "); + output.put(test.name); + output.put("\n\n### Positive fail\n\n```d\n"); + output.put(test.posCode); + output.put(";\n```\n\n```\n"); + output.put(runPosAndGetOutput!(test.posCode)()); + output.put("```\n\n### Negated fail\n\n```d\n"); + output.put(test.negCode); + output.put(";\n```\n\n```\n"); + output.put(runNegAndGetOutput!(test.negCode)()); + output.put("```\n"); + } +} + +/// Generates snapshot markdown files for all output formats. +void generateSnapshotFiles() { + import std.array : Appender; + + auto previousFormat = config.output.format; + scope(exit) config.output.setFormat(previousFormat); + + foreach (format; [OutputFormat.verbose, OutputFormat.compact, OutputFormat.tap]) { + config.output.setFormat(format); + + Appender!string output; + string formatName; + string description; + + final switch (format) { + case OutputFormat.verbose: + formatName = "verbose"; + description = "This file contains snapshots of all assertion operations with both positive and negated failure variants."; + break; + case OutputFormat.compact: + formatName = "compact"; + description = "This file contains snapshots in compact format (default when CLAUDECODE=1)."; + break; + case OutputFormat.tap: + formatName = "tap"; + description = "This file contains snapshots in TAP (Test Anything Protocol) format."; + break; + } + + output.put("# Operation Snapshots"); + if (format != OutputFormat.verbose) { + output.put(" ("); + output.put(formatName); + output.put(")"); + } + output.put("\n\n"); + output.put(description); + output.put("\n"); + + static foreach (i; 0 .. snapshotTests.length) { + { + enum test = snapshotTests[i]; + output.put("\n## "); + output.put(test.name); + output.put("\n\n### Positive fail\n\n```d\n"); + output.put(test.posCode); + output.put(";\n```\n\n```\n"); + output.put(runPosAndGetOutput!(test.posCode)()); + output.put("```\n\n### Negated fail\n\n```d\n"); + output.put(test.negCode); + output.put(";\n```\n\n```\n"); + output.put(runNegAndGetOutput!(test.negCode)()); + output.put("```\n"); + } + } + + string filename = format == OutputFormat.verbose + ? "operation-snapshots.md" + : "operation-snapshots-" ~ formatName ~ ".md"; + + std.file.write(filename, output[]); + } +} + +@("generate snapshot markdown files") +unittest { + generateSnapshotFiles(); +} + diff --git a/source/fluentasserts/operations/string/arraycontain.d b/source/fluentasserts/operations/string/arraycontain.d new file mode 100644 index 00000000..35a11604 --- /dev/null +++ b/source/fluentasserts/operations/string/arraycontain.d @@ -0,0 +1,100 @@ +module fluentasserts.operations.string.arraycontain; + +import fluentasserts.core.evaluation.eval : Evaluation; +import fluentasserts.core.memory.heapequable : HeapEquableValue; +import fluentasserts.operations.string.containmessages; + +version(unittest) { + import fluent.asserts; + import fluentasserts.core.base; + import fluentasserts.core.expect; + import fluentasserts.core.lifecycle; +} + +/// Asserts that an array contains specified elements. +/// Sets evaluation.result with missing values if the assertion fails. +void arrayContain(ref Evaluation evaluation) @trusted nothrow { + auto expectedPieces = evaluation.expectedValue.proxyValue.toArray; + auto testData = evaluation.currentValue.proxyValue.toArray; + + if (!evaluation.isNegated) { + auto missingValues = filterHeapEquableValues(expectedPieces, testData, false); + + if (missingValues.length > 0) { + addLifecycleMessage(evaluation, missingValues); + evaluation.result.expected = createResultMessage(evaluation.expectedValue, expectedPieces); + evaluation.result.actual = evaluation.currentValue.strValue[]; + } + } else { + auto presentValues = filterHeapEquableValues(expectedPieces, testData, true); + + if (presentValues.length > 0) { + addNegatedLifecycleMessage(evaluation, presentValues); + evaluation.result.expected = createNegatedResultMessage(evaluation.expectedValue, expectedPieces); + evaluation.result.actual = evaluation.currentValue.strValue[]; + evaluation.result.negated = true; + } + } +} + +/// Filters elements from `source` based on whether they exist in `searchIn`. +/// When `keepFound` is true, returns elements that ARE in searchIn. +/// When `keepFound` is false, returns elements that are NOT in searchIn. +HeapEquableValue[] filterHeapEquableValues( + HeapEquableValue[] source, + HeapEquableValue[] searchIn, + bool keepFound +) @trusted nothrow { + HeapEquableValue[] result; + + foreach (ref a; source) { + bool found = false; + foreach (ref b; searchIn) { + if (b.isEqualTo(a)) { + found = true; + break; + } + } + + if (found == keepFound) { + result ~= a; + } + } + + return result; +} + +@("array contains a value") +unittest { + expect([1, 2, 3]).to.contain(2); +} + +@("array contains multiple values") +unittest { + expect([1, 2, 3, 4, 5]).to.contain([2, 4]); +} + +@("array does not contain a value") +unittest { + expect([1, 2, 3]).to.not.contain(5); +} + +@("array [1,2,3] contain 5 reports error with expected and actual") +unittest { + auto evaluation = ({ + expect([1, 2, 3]).to.contain(5); + }).recordEvaluation; + + expect(evaluation.result.expected[]).to.equal("to contain 5"); + expect(evaluation.result.actual[]).to.equal("[1, 2, 3]"); +} + +@("array [1,2,3] not contain 2 reports error with expected and actual") +unittest { + auto evaluation = ({ + expect([1, 2, 3]).to.not.contain(2); + }).recordEvaluation; + + expect(evaluation.result.expected[]).to.equal("not to contain 2"); + expect(evaluation.result.negated).to.equal(true); +} diff --git a/source/fluentasserts/operations/string/arraycontainonly.d b/source/fluentasserts/operations/string/arraycontainonly.d new file mode 100644 index 00000000..9a2bece9 --- /dev/null +++ b/source/fluentasserts/operations/string/arraycontainonly.d @@ -0,0 +1,112 @@ +module fluentasserts.operations.string.arraycontainonly; + +import fluentasserts.core.listcomparison; +import fluentasserts.core.evaluation.eval : Evaluation; +import fluentasserts.core.memory.heapequable : HeapEquableValue; +import fluentasserts.results.serializers.stringprocessing : cleanString; +import fluentasserts.operations.string.containmessages : niceJoin; + +version(unittest) { + import fluent.asserts; + import fluentasserts.core.base; + import fluentasserts.core.expect; + import fluentasserts.core.lifecycle; +} + +/// Asserts that an array contains only the specified elements (no extras, no missing). +/// Sets evaluation.result with extra/missing arrays if the assertion fails. +void arrayContainOnly(ref Evaluation evaluation) @safe nothrow { + auto expectedPieces = evaluation.expectedValue.proxyValue.toArray; + auto testData = evaluation.currentValue.proxyValue.toArray; + + auto comparison = ListComparison!HeapEquableValue(testData, expectedPieces); + + auto missing = comparison.missing; + auto extra = comparison.extra; + auto common = comparison.common; + + if(!evaluation.isNegated) { + auto isSuccess = missing.length == 0 && extra.length == 0 && common.length == testData.length; + + if(!isSuccess) { + evaluation.result.expected.put("to contain only "); + evaluation.result.expected.put(expectedPieces.niceJoin(evaluation.currentValue.typeName.idup)); + evaluation.result.actual.put(testData.niceJoin(evaluation.currentValue.typeName.idup)); + + foreach(e; extra) { + evaluation.result.extra ~= e.getSerialized.idup.cleanString; + } + + foreach(m; missing) { + evaluation.result.missing ~= m.getSerialized.idup.cleanString; + } + } + } else { + auto isSuccess = (missing.length != 0 || extra.length != 0) || common.length != testData.length; + + if(!isSuccess) { + evaluation.result.expected.put("not to contain only "); + evaluation.result.expected.put(expectedPieces.niceJoin(evaluation.currentValue.typeName.idup)); + evaluation.result.actual.put(testData.niceJoin(evaluation.currentValue.typeName.idup)); + evaluation.result.negated = true; + } + } +} + +@("array containOnly passes when elements match exactly") +unittest { + expect([1, 2, 3]).to.containOnly([1, 2, 3]); + expect([1, 2, 3]).to.containOnly([3, 2, 1]); +} + +@("array [1,2,3,4] containOnly [1,2,3] reports error with actual") +unittest { + auto evaluation = ({ + expect([1, 2, 3, 4]).to.containOnly([1, 2, 3]); + }).recordEvaluation; + + expect(evaluation.result.actual[]).to.equal("[1, 2, 3, 4]"); +} + +@("array [1,2] containOnly [1,2,3] reports error with extra") +unittest { + auto evaluation = ({ + expect([1, 2]).to.containOnly([1, 2, 3]); + }).recordEvaluation; + + expect(evaluation.result.extra.length).to.equal(1); + expect(evaluation.result.extra[0]).to.equal("3"); +} + +@("array containOnly negated passes when elements differ") +unittest { + expect([1, 2, 3, 4]).to.not.containOnly([1, 2, 3]); +} + +// Issue #96: Object[] and nested arrays should work with containOnly +@("Object array containOnly itself passes") +unittest { + Object[] l = [new Object(), new Object()]; + l.should.containOnly(l); +} + +// Issue #96: Object[] and nested arrays should work with containOnly +@("nested int array containOnly passes") +unittest { + import std.range : iota; + import std.algorithm : map; + import std.array : array; + + auto ll = iota(1, 4).map!iota; + ll.map!array.array.should.containOnly([[0], [0, 1], [0, 1, 2]]); +} + +// Issue #85: range of ranges should work with containOnly without memory exhaustion +@("issue #85: range of ranges containOnly passes") +unittest { + import std.range : iota; + import std.algorithm : map; + + auto ror = iota(1, 4).map!iota; + ror.should.containOnly([[0], [0, 1], [0, 1, 2]]); +} diff --git a/source/fluentasserts/operations/string/contain.d b/source/fluentasserts/operations/string/contain.d new file mode 100644 index 00000000..86e39e6c --- /dev/null +++ b/source/fluentasserts/operations/string/contain.d @@ -0,0 +1,411 @@ +module fluentasserts.operations.string.contain; + +import std.algorithm; +import std.array; + +import fluentasserts.results.printer; +import fluentasserts.results.asserts : AssertResult; +import fluentasserts.core.evaluation.eval : Evaluation; +import fluentasserts.results.serializers.stringprocessing : parseList, cleanString; +import fluentasserts.core.memory.heapstring : HeapString, HeapStringList; + +// Re-export array operations +public import fluentasserts.operations.string.arraycontain : arrayContain; +public import fluentasserts.operations.string.arraycontainonly : arrayContainOnly; + +version(unittest) { + import fluent.asserts; + import fluentasserts.core.base; + import fluentasserts.core.expect; + import fluentasserts.core.lifecycle; + import std.algorithm : map; + import std.string; +} + +static immutable containDescription = "When the tested value is a string, it asserts that the given string val is a substring of the target. \n\n" ~ + "When the tested value is an array, it asserts that the given val is inside the tested value."; + +/// Asserts that a string contains specified substrings. +void contain(ref Evaluation evaluation) @trusted nothrow @nogc { + auto expectedPieces = evaluation.expectedValue.strValue[].parseList; + cleanString(expectedPieces); + auto testData = evaluation.currentValue.strValue[].cleanString; + bool negated = evaluation.isNegated; + + auto result = negated + ? countMatches!true(expectedPieces, testData) + : countMatches!false(expectedPieces, testData); + + if (result.count == 0) { + return; + } + + evaluation.result.addText(" "); + appendValueList(evaluation.result, expectedPieces, testData, result, negated); + evaluation.result.addText(negated + ? (result.count == 1 ? " is present in " : " are present in ") + : (result.count == 1 ? " is missing from " : " are missing from ")); + evaluation.result.addValue(evaluation.currentValue.strValue[]); + + if (negated) { + evaluation.result.expected.put("not "); + } + evaluation.result.expected.put("to contain "); + if (negated ? result.count > 1 : expectedPieces.length > 1) { + evaluation.result.expected.put(negated ? "any " : "all "); + } + evaluation.result.expected.put(evaluation.expectedValue.strValue[]); + evaluation.result.actual.put(testData); + evaluation.result.negated = negated; +} + +private struct MatchResult { + size_t count; + const(char)[] first; +} + +private MatchResult countMatches(bool findPresent)(ref HeapStringList pieces, const(char)[] testData) @nogc nothrow { + MatchResult result; + foreach (i; 0 .. pieces.length) { + auto piece = pieces[i][]; + if (canFind(testData, piece) != findPresent) { + continue; + } + if (result.count == 0) { + result.first = piece; + } + result.count++; + } + return result; +} + +private void appendValueList(ref AssertResult result, ref HeapStringList pieces, const(char)[] testData, + MatchResult matchResult, bool findPresent) @nogc nothrow { + if (matchResult.count == 1) { + result.addValue(matchResult.first); + return; + } + + result.addText("["); + bool first = true; + foreach (i; 0 .. pieces.length) { + auto piece = pieces[i][]; + if (canFind(testData, piece) != findPresent) { + continue; + } + if (!first) { + result.addText(", "); + } + result.addValue(piece); + first = false; + } + result.addText("]"); +} + +@("string contains a substring") +unittest { + expect("hello world").to.contain("world"); +} + +@("string contains multiple substrings") +unittest { + expect("hello world").to.contain("hello"); + expect("hello world").to.contain("world"); +} + +@("string does not contain a substring") +unittest { + expect("hello world").to.not.contain("foo"); +} + +@("string hello world contain foo reports error with expected and actual") +unittest { + auto evaluation = ({ + expect("hello world").to.contain("foo"); + }).recordEvaluation; + + expect(evaluation.result.expected[]).to.equal(`to contain foo`); + expect(evaluation.result.actual[]).to.equal("hello world"); +} + +@("string hello world not contain world reports error with expected and actual") +unittest { + auto evaluation = ({ + expect("hello world").to.not.contain("world"); + }).recordEvaluation; + + expect(evaluation.result.expected[]).to.equal(`not to contain world`); + expect(evaluation.result.actual[]).to.equal("hello world"); + expect(evaluation.result.negated).to.equal(true); +} + +// Re-export range/immutable tests from backup +@("range contain array succeeds") +unittest { + [1, 2, 3].map!"a".should.contain([2, 1]); +} + +@("range not contain missing array succeeds") +unittest { + [1, 2, 3].map!"a".should.not.contain([4, 5, 6, 7]); +} + +@("range contain element succeeds") +unittest { + [1, 2, 3].map!"a".should.contain(1); +} + +@("range contain missing array reports missing elements") +unittest { + auto evaluation = ({ + [1, 2, 3].map!"a".should.contain([4, 5]); + }).recordEvaluation; + + evaluation.result.messageString.should.equal(`[1, 2, 3] should contain [4, 5]. [4, 5] are missing from [1, 2, 3].`); +} + +@("range not contain present array reports present elements") +unittest { + auto evaluation = ({ + [1, 2, 3].map!"a".should.not.contain([1, 2]); + }).recordEvaluation; + + evaluation.result.messageString.should.equal(`[1, 2, 3] should not contain [1, 2]. [1, 2] are present in [1, 2, 3].`); +} + +@("range contain missing element reports missing element") +unittest { + auto evaluation = ({ + [1, 2, 3].map!"a".should.contain(4); + }).recordEvaluation; + + evaluation.result.messageString.should.equal(`[1, 2, 3] should contain 4. 4 is missing from [1, 2, 3].`); +} + +@("const range contain array succeeds") +unittest { + import fluentasserts.core.lifecycle : Lifecycle; + Lifecycle.instance.disableFailureHandling = false; + const(int)[] data = [1, 2, 3]; + data.map!"a".should.contain([2, 1]); +} + +@("const range contain const range succeeds") +unittest { + import fluentasserts.core.lifecycle : Lifecycle; + Lifecycle.instance.disableFailureHandling = false; + const(int)[] data = [1, 2, 3]; + data.map!"a".should.contain(data); +} + +@("array contain const array succeeds") +unittest { + import fluentasserts.core.lifecycle : Lifecycle; + Lifecycle.instance.disableFailureHandling = false; + const(int)[] data = [1, 2, 3]; + [1, 2, 3].should.contain(data); +} + +@("const range not contain transformed data succeeds") +unittest { + import fluentasserts.core.lifecycle : Lifecycle; + Lifecycle.instance.disableFailureHandling = false; + const(int)[] data = [1, 2, 3]; + + ({ + data.map!"a * 4".should.not.contain(data); + }).should.not.throwAnyException; +} + +@("immutable range contain array succeeds") +unittest { + import fluentasserts.core.lifecycle : Lifecycle; + Lifecycle.instance.disableFailureHandling = false; + immutable(int)[] data = [1, 2, 3]; + data.map!"a".should.contain([2, 1]); +} + +@("immutable range contain immutable range succeeds") +unittest { + import fluentasserts.core.lifecycle : Lifecycle; + Lifecycle.instance.disableFailureHandling = false; + immutable(int)[] data = [1, 2, 3]; + data.map!"a".should.contain(data); +} + +@("array contain immutable array succeeds") +unittest { + import fluentasserts.core.lifecycle : Lifecycle; + Lifecycle.instance.disableFailureHandling = false; + immutable(int)[] data = [1, 2, 3]; + [1, 2, 3].should.contain(data); +} + +@("immutable range not contain transformed data succeeds") +unittest { + import fluentasserts.core.lifecycle : Lifecycle; + Lifecycle.instance.disableFailureHandling = false; + immutable(int)[] data = [1, 2, 3]; + + ({ + data.map!"a * 4".should.not.contain(data); + }).should.not.throwAnyException; +} + +@("empty array containOnly empty array succeeds") +unittest { + import fluentasserts.core.lifecycle : Lifecycle; + Lifecycle.instance.disableFailureHandling = false; + int[] list; + list.should.containOnly([]); +} + +@("const range containOnly reordered array succeeds") +unittest { + import fluentasserts.core.lifecycle : Lifecycle; + Lifecycle.instance.disableFailureHandling = false; + const(int)[] data = [1, 2, 3]; + data.map!"a".should.containOnly([3, 2, 1]); +} + +@("const range containOnly const range succeeds") +unittest { + import fluentasserts.core.lifecycle : Lifecycle; + Lifecycle.instance.disableFailureHandling = false; + const(int)[] data = [1, 2, 3]; + data.map!"a".should.containOnly(data); +} + +@("array containOnly const array succeeds") +unittest { + import fluentasserts.core.lifecycle : Lifecycle; + Lifecycle.instance.disableFailureHandling = false; + const(int)[] data = [1, 2, 3]; + [1, 2, 3].should.containOnly(data); +} + +@("const range not containOnly transformed data succeeds") +unittest { + import fluentasserts.core.lifecycle : Lifecycle; + Lifecycle.instance.disableFailureHandling = false; + const(int)[] data = [1, 2, 3]; + + ({ + data.map!"a * 4".should.not.containOnly(data); + }).should.not.throwAnyException; +} + +@("immutable range containOnly reordered array succeeds") +unittest { + import fluentasserts.core.lifecycle : Lifecycle; + Lifecycle.instance.disableFailureHandling = false; + immutable(int)[] data = [1, 2, 3]; + data.map!"a".should.containOnly([2, 1, 3]); +} + +@("immutable range containOnly immutable range succeeds") +unittest { + import fluentasserts.core.lifecycle : Lifecycle; + Lifecycle.instance.disableFailureHandling = false; + immutable(int)[] data = [1, 2, 3]; + data.map!"a".should.containOnly(data); +} + +@("array containOnly immutable array succeeds") +unittest { + import fluentasserts.core.lifecycle : Lifecycle; + Lifecycle.instance.disableFailureHandling = false; + immutable(int)[] data = [1, 2, 3]; + [1, 2, 3].should.containOnly(data); +} + +@("immutable range not containOnly transformed data succeeds") +unittest { + import fluentasserts.core.lifecycle : Lifecycle; + Lifecycle.instance.disableFailureHandling = false; + immutable(int)[] data = [1, 2, 3]; + + ({ + data.map!"a * 4".should.not.containOnly(data); + }).should.not.throwAnyException; +} + +@("custom range contain array succeeds") +unittest { + struct Range { + int n; + int front() { + return n; + } + void popFront() { + ++n; + } + bool empty() { + return n == 3; + } + } + + Range().should.contain([0,1]); +} + +@("custom range contain element succeeds") +unittest { + struct Range { + int n; + int front() { + return n; + } + void popFront() { + ++n; + } + bool empty() { + return n == 3; + } + } + + Range().should.contain(0); +} + +@("custom range contain missing element reports missing") +unittest { + struct Range { + int n; + int front() { + return n; + } + void popFront() { + ++n; + } + bool empty() { + return n == 3; + } + } + + auto evaluation = ({ + Range().should.contain([2, 3]); + }).recordEvaluation; + + evaluation.result.messageString.should.equal("[0, 1, 2] should contain [2, 3]. 3 is missing from [0, 1, 2]."); +} + +@("custom range contain missing single element reports missing") +unittest { + struct Range { + int n; + int front() { + return n; + } + void popFront() { + ++n; + } + bool empty() { + return n == 3; + } + } + + auto evaluation = ({ + Range().should.contain(3); + }).recordEvaluation; + + evaluation.result.messageString.should.equal("[0, 1, 2] should contain 3. 3 is missing from [0, 1, 2]."); +} diff --git a/source/fluentasserts/operations/string/containmessages.d b/source/fluentasserts/operations/string/containmessages.d new file mode 100644 index 00000000..94087754 --- /dev/null +++ b/source/fluentasserts/operations/string/containmessages.d @@ -0,0 +1,150 @@ +module fluentasserts.operations.string.containmessages; + +import std.algorithm; +import std.array; +import std.exception : assumeWontThrow; +import std.conv; + +import fluentasserts.core.evaluation.eval : Evaluation; +import fluentasserts.core.evaluation.value : ValueEvaluation; +import fluentasserts.core.memory.heapequable : HeapEquableValue; +import fluentasserts.results.serializers.stringprocessing : cleanString; + +@safe: + +/// Adds a failure message to evaluation.result describing missing string values. +void addLifecycleMessage(ref Evaluation evaluation, string[] missingValues) nothrow { + evaluation.result.addText(". "); + + if(missingValues.length == 1) { + evaluation.result.addValue(missingValues[0]); + evaluation.result.addText(" is missing from "); + } else { + evaluation.result.addValue(missingValues.niceJoin(evaluation.currentValue.typeName.idup)); + evaluation.result.addText(" are missing from "); + } + + evaluation.result.addValue(evaluation.currentValue.strValue[]); +} + +/// Adds a failure message to evaluation.result describing missing HeapEquableValue elements. +void addLifecycleMessage(ref Evaluation evaluation, HeapEquableValue[] missingValues) nothrow { + string[] missing; + try { + missing = new string[missingValues.length]; + foreach (i, ref val; missingValues) { + missing[i] = val.getSerialized.idup.cleanString; + } + } catch (Exception) { + return; + } + + addLifecycleMessage(evaluation, missing); +} + +/// Adds a negated failure message to evaluation.result describing unexpectedly present string values. +void addNegatedLifecycleMessage(ref Evaluation evaluation, string[] presentValues) nothrow { + evaluation.result.addText(". "); + + if(presentValues.length == 1) { + evaluation.result.addValue(presentValues[0]); + evaluation.result.addText(" is present in "); + } else { + evaluation.result.addValue(presentValues.niceJoin(evaluation.currentValue.typeName.idup)); + evaluation.result.addText(" are present in "); + } + + evaluation.result.addValue(evaluation.currentValue.strValue[]); +} + +/// Adds a negated failure message to evaluation.result describing unexpectedly present HeapEquableValue elements. +void addNegatedLifecycleMessage(ref Evaluation evaluation, HeapEquableValue[] missingValues) nothrow { + string[] missing; + try { + missing = new string[missingValues.length]; + foreach (i, ref val; missingValues) { + missing[i] = val.getSerialized.idup; + } + } catch (Exception) { + return; + } + + addNegatedLifecycleMessage(evaluation, missing); +} + +string createResultMessage(ValueEvaluation expectedValue, string[] expectedPieces) nothrow { + string message = "to contain "; + + if(expectedPieces.length > 1) { + message ~= "all "; + } + + message ~= expectedValue.strValue[].idup; + + return message; +} + +/// Creates an expected result message from HeapEquableValue array. +string createResultMessage(ValueEvaluation expectedValue, HeapEquableValue[] missingValues) nothrow { + string[] missing; + try { + missing = new string[missingValues.length]; + foreach (i, ref val; missingValues) { + missing[i] = val.getSerialized.idup; + } + } catch (Exception) { + return ""; + } + + return createResultMessage(expectedValue, missing); +} + +string createNegatedResultMessage(ValueEvaluation expectedValue, string[] expectedPieces) nothrow { + string message = "not to contain "; + + if(expectedPieces.length > 1) { + message ~= "any "; + } + + message ~= expectedValue.strValue[].idup; + + return message; +} + +/// Creates a negated expected result message from HeapEquableValue array. +string createNegatedResultMessage(ValueEvaluation expectedValue, HeapEquableValue[] missingValues) nothrow { + string[] missing; + try { + missing = new string[missingValues.length]; + foreach (i, ref val; missingValues) { + missing[i] = val.getSerialized.idup; + } + } catch (Exception) { + return ""; + } + + return createNegatedResultMessage(expectedValue, missing); +} + +string niceJoin(string[] values, string typeName = "") @trusted nothrow { + string result = values.to!string.assumeWontThrow; + + if(!typeName.canFind("string")) { + result = result.replace(`"`, ""); + } + + return result; +} + +string niceJoin(HeapEquableValue[] values, string typeName = "") @trusted nothrow { + string[] strValues; + try { + strValues = new string[values.length]; + foreach (i, ref val; values) { + strValues[i] = val.getSerialized.idup.cleanString; + } + } catch (Exception) { + return ""; + } + return strValues.niceJoin(typeName); +} diff --git a/source/fluentasserts/operations/string/endWith.d b/source/fluentasserts/operations/string/endWith.d new file mode 100644 index 00000000..3f17b57a --- /dev/null +++ b/source/fluentasserts/operations/string/endWith.d @@ -0,0 +1,130 @@ +module fluentasserts.operations.string.endWith; + +import std.meta : AliasSeq; +import std.string; + +import fluentasserts.results.printer; +import fluentasserts.core.evaluation.eval : Evaluation; +import fluentasserts.results.serializers.stringprocessing : cleanString; + +import fluentasserts.core.lifecycle; + +version (unittest) { + import fluent.asserts; + import fluentasserts.core.base; + import fluentasserts.core.expect; + import fluentasserts.core.lifecycle; + import std.conv; + import std.meta; +} + +static immutable endWithDescription = "Tests that the tested string ends with the expected value."; + +/// Asserts that a string ends with the expected suffix. +void endWith(ref Evaluation evaluation) @safe nothrow @nogc { + auto current = evaluation.currentValue.strValue[].cleanString; + auto expected = evaluation.expectedValue.strValue[].cleanString; + + bool doesEndWith = current.length >= expected.length && current[$ - expected.length .. $] == expected; + + evaluation.reportStringCheck(doesEndWith, "end with", "ends with"); +} + +// --------------------------------------------------------------------------- +// Unit tests +// --------------------------------------------------------------------------- + +@("multiline string ends with a certain substring") +unittest { + expect("str\ning").to.endWith("ing"); +} + +alias StringTypes = AliasSeq!(string, wstring, dstring); + +static foreach (Type; StringTypes) { + @(Type.stringof ~ " checks that a string ends with a certain substring") + unittest { + Type testValue = "test string".to!Type; + expect(testValue).to.endWith("string"); + } + + @(Type.stringof ~ " checks that a string ends with a certain char") + unittest { + Type testValue = "test string".to!Type; + expect(testValue).to.endWith('g'); + } + + @(Type.stringof ~ " checks that a string does not end with a certain substring") + unittest { + Type testValue = "test string".to!Type; + expect(testValue).to.not.endWith("other"); + } + + @(Type.stringof ~ " checks that a string does not end with a certain char") + unittest { + Type testValue = "test string".to!Type; + expect(testValue).to.not.endWith('o'); + } + + @(Type.stringof ~ " test string endWith other reports error with expected and actual") + unittest { + Type testValue = "test string".to!Type; + + auto evaluation = ({ + expect(testValue).to.endWith("other"); + }).recordEvaluation; + + expect(evaluation.result.expected[]).to.equal(`to end with other`); + expect(evaluation.result.actual[]).to.equal(`test string`); + } + + @(Type.stringof ~ " test string endWith char o reports error with expected and actual") + unittest { + Type testValue = "test string".to!Type; + + auto evaluation = ({ + expect(testValue).to.endWith('o'); + }).recordEvaluation; + + expect(evaluation.result.expected[]).to.equal(`to end with o`); + expect(evaluation.result.actual[]).to.equal(`test string`); + } + + @(Type.stringof ~ " test string not endWith string reports error with expected and negated") + unittest { + Type testValue = "test string".to!Type; + + auto evaluation = ({ + expect(testValue).to.not.endWith("string"); + }).recordEvaluation; + + expect(evaluation.result.expected[]).to.equal(`not to end with string`); + expect(evaluation.result.actual[]).to.equal(`test string`); + expect(evaluation.result.negated).to.equal(true); + } + + @(Type.stringof ~ " test string not endWith char g reports error with expected and negated") + unittest { + Type testValue = "test string".to!Type; + + auto evaluation = ({ + expect(testValue).to.not.endWith('g'); + }).recordEvaluation; + + expect(evaluation.result.expected[]).to.equal(`not to end with g`); + expect(evaluation.result.actual[]).to.equal(`test string`); + expect(evaluation.result.negated).to.equal(true); + } +} + +@("lazy string throwing in endWith propagates the exception") +unittest { + Lifecycle.instance.disableFailureHandling = false; + string someLazyString() { + throw new Exception("This is it."); + } + + ({ + someLazyString.should.endWith(" "); + }).should.throwAnyException.withMessage("This is it."); +} diff --git a/source/fluentasserts/operations/string/startWith.d b/source/fluentasserts/operations/string/startWith.d new file mode 100644 index 00000000..707c6457 --- /dev/null +++ b/source/fluentasserts/operations/string/startWith.d @@ -0,0 +1,127 @@ +module fluentasserts.operations.string.startWith; + +import std.meta : AliasSeq; +import std.string; + +import fluentasserts.results.printer; +import fluentasserts.core.evaluation.eval : Evaluation; +import fluentasserts.results.serializers.stringprocessing : cleanString; + +import fluentasserts.core.lifecycle; + +version (unittest) { + import fluent.asserts; + import fluentasserts.core.base; + import fluentasserts.core.expect; + import fluentasserts.core.lifecycle; + import std.conv; + import std.meta; +} + +static immutable startWithDescription = "Tests that the tested string starts with the expected value."; + +/// Asserts that a string starts with the expected prefix. +void startWith(ref Evaluation evaluation) @safe nothrow @nogc { + auto current = evaluation.currentValue.strValue[].cleanString; + auto expected = evaluation.expectedValue.strValue[].cleanString; + + bool doesStartWith = current.length >= expected.length && current[0 .. expected.length] == expected; + + evaluation.reportStringCheck(doesStartWith, "start with", "starts with"); +} + +// --------------------------------------------------------------------------- +// Unit tests +// --------------------------------------------------------------------------- + +version(unittest) { + alias StringTypes = AliasSeq!(string, wstring, dstring); + + static foreach (Type; StringTypes) { + @(Type.stringof ~ " checks that a string starts with a certain substring") + unittest { + Type testValue = "test string".to!Type; + expect(testValue).to.startWith("test"); + } + + @(Type.stringof ~ " checks that a string starts with a certain char") + unittest { + Type testValue = "test string".to!Type; + expect(testValue).to.startWith('t'); + } + + @(Type.stringof ~ " checks that a string does not start with a certain substring") + unittest { + Type testValue = "test string".to!Type; + expect(testValue).to.not.startWith("other"); + } + + @(Type.stringof ~ " checks that a string does not start with a certain char") + unittest { + Type testValue = "test string".to!Type; + expect(testValue).to.not.startWith('o'); + } + + @(Type.stringof ~ " test string startWith other reports error with expected and actual") + unittest { + Type testValue = "test string".to!Type; + + auto evaluation = ({ + expect(testValue).to.startWith("other"); + }).recordEvaluation; + + expect(evaluation.result.expected[]).to.equal(`to start with other`); + expect(evaluation.result.actual[]).to.equal(`test string`); + } + + @(Type.stringof ~ " test string startWith char o reports error with expected and actual") + unittest { + Type testValue = "test string".to!Type; + + auto evaluation = ({ + expect(testValue).to.startWith('o'); + }).recordEvaluation; + + expect(evaluation.result.expected[]).to.equal(`to start with o`); + expect(evaluation.result.actual[]).to.equal(`test string`); + } + + @(Type.stringof ~ " test string not startWith test reports error with expected and negated") + unittest { + Type testValue = "test string".to!Type; + + auto evaluation = ({ + expect(testValue).to.not.startWith("test"); + }).recordEvaluation; + + expect(evaluation.result.expected[]).to.equal(`not to start with test`); + expect(evaluation.result.actual[]).to.equal(`test string`); + expect(evaluation.result.negated).to.equal(true); + } + + @(Type.stringof ~ " test string not startWith char t reports error with expected and negated") + unittest { + Type testValue = "test string".to!Type; + + auto evaluation = ({ + expect(testValue).to.not.startWith('t'); + }).recordEvaluation; + + expect(evaluation.result.expected[]).to.equal(`not to start with t`); + expect(evaluation.result.actual[]).to.equal(`test string`); + expect(evaluation.result.negated).to.equal(true); + } +} + +@("lazy string throwing in startWith propagates the exception") +unittest { + Lifecycle.instance.disableFailureHandling = false; + string someLazyString() { + throw new Exception("This is it."); + } + + ({ + someLazyString.should.startWith(" "); + }).should.throwAnyException.withMessage("This is it."); +} +} diff --git a/source/fluentasserts/operations/type/beNull.d b/source/fluentasserts/operations/type/beNull.d new file mode 100644 index 00000000..bbbd5fe0 --- /dev/null +++ b/source/fluentasserts/operations/type/beNull.d @@ -0,0 +1,116 @@ +module fluentasserts.operations.type.beNull; + +import fluentasserts.results.printer; +import fluentasserts.core.evaluation.eval : Evaluation; + +import fluentasserts.core.lifecycle; + +version(unittest) { + import fluent.asserts; + import fluentasserts.core.base; + import fluentasserts.core.expect; + import fluentasserts.core.lifecycle; +} + +static immutable beNullDescription = "Asserts that the value is null."; + +/// Asserts that a value is null (for nullable types like pointers, delegates, classes). +void beNull(ref Evaluation evaluation) @safe nothrow @nogc { + // Check if "null" is in typeNames (replaces canFind for @nogc) + bool hasNullType = false; + foreach (ref typeName; evaluation.currentValue.typeNames) { + if (typeName[] == "null") { + hasNullType = true; + break; + } + } + + auto isNull = hasNullType || evaluation.currentValue.strValue[] == "null"; + + if (evaluation.checkCustomActual(isNull, "null", "not null")) { + return; + } + + evaluation.result.actual.put(evaluation.currentValue.typeNames.length ? evaluation.currentValue.typeNames[0][] : "unknown"); +} + +@("beNull passes for null delegate") +unittest { + Lifecycle.instance.disableFailureHandling = false; + void delegate() action; + action.should.beNull; +} + +@("non-null delegate beNull reports error with expected null") +unittest { + auto evaluation = ({ + ({ }).should.beNull; + }).recordEvaluation; + + expect(evaluation.result.expected[]).to.equal("null"); + expect(evaluation.result.actual[]).to.not.equal("null"); +} + +@("beNull negated passes for non-null delegate") +unittest { + ({ }).should.not.beNull; +} + +@("null delegate not beNull reports error with expected and actual") +unittest { + void delegate() action; + + auto evaluation = ({ + action.should.not.beNull; + }).recordEvaluation; + + expect(evaluation.result.expected[]).to.equal("not null"); + expect(evaluation.result.negated).to.equal(true); +} + +@("lazy object throwing in beNull propagates the exception") +unittest { + Lifecycle.instance.disableFailureHandling = false; + Object someLazyObject() { + throw new Exception("This is it."); + } + + ({ + someLazyObject.should.not.beNull; + }).should.throwAnyException.withMessage("This is it."); +} + +@("null object beNull succeeds") +unittest { + Object o = null; + o.should.beNull; +} + +@("new object not beNull succeeds") +unittest { + (new Object).should.not.beNull; +} + +@("null object not beNull reports expected not null") +unittest { + Object o = null; + + auto evaluation = ({ + o.should.not.beNull; + }).recordEvaluation; + + evaluation.result.messageString.should.equal("null should not be null."); + evaluation.result.expected[].should.equal("not null"); + evaluation.result.actual[].should.equal("object.Object"); +} + +@("new object beNull reports expected null") +unittest { + auto evaluation = ({ + (new Object).should.beNull; + }).recordEvaluation; + + evaluation.result.messageString.should.contain("should be null."); + evaluation.result.expected[].should.equal("null"); + evaluation.result.actual[].should.equal("object.Object"); +} diff --git a/source/fluentasserts/operations/type/instanceOf.d b/source/fluentasserts/operations/type/instanceOf.d new file mode 100644 index 00000000..fcfa45d2 --- /dev/null +++ b/source/fluentasserts/operations/type/instanceOf.d @@ -0,0 +1,244 @@ +module fluentasserts.operations.type.instanceOf; + +import fluentasserts.results.printer; +import fluentasserts.core.evaluation.eval : Evaluation; + +import fluentasserts.core.lifecycle; + + +version (unittest) { + import fluent.asserts; + import fluentasserts.core.base; + import fluentasserts.core.expect; + import fluentasserts.core.lifecycle; + import std.meta; + import std.string; +} + +static immutable instanceOfDescription = "Asserts that the tested value is related to a type."; + +/// Asserts that a value is an instance of a specific type or inherits from it. +void instanceOf(ref Evaluation evaluation) @safe nothrow @nogc { + const(char)[] expectedType = evaluation.expectedValue.strValue[][1 .. $-1]; + const(char)[] currentType = evaluation.currentValue.typeNames[0][]; + + // Check if expectedType is in typeNames (replaces findAmong for @nogc) + bool found = false; + foreach (ref typeName; evaluation.currentValue.typeNames) { + if (typeName[] == expectedType) { + found = true; + break; + } + } + + auto isExpected = found; + + if(evaluation.isNegated) { + isExpected = !isExpected; + } + + if(isExpected) { + return; + } + + evaluation.result.addText(". "); + evaluation.result.addValue(evaluation.currentValue.strValue[]); + evaluation.result.addText(" is instance of "); + evaluation.result.addValue(currentType); + + if (evaluation.isNegated) { + evaluation.result.expected.put("not typeof "); + } else { + evaluation.result.expected.put("typeof "); + } + evaluation.result.expected.put(expectedType); + evaluation.result.actual.put("typeof "); + evaluation.result.actual.put(currentType); + evaluation.result.negated = evaluation.isNegated; +} + +// --------------------------------------------------------------------------- +// Unit tests +// --------------------------------------------------------------------------- + +version(unittest) { + alias NumericTypes = AliasSeq!(byte, ubyte, short, ushort, int, uint, long, ulong, float, double, real); +} + +@("does not throw when comparing an object") +unittest { + Lifecycle.instance.disableFailureHandling = false; + auto value = new Object(); + + expect(value).to.be.instanceOf!Object; + expect(value).to.not.be.instanceOf!string; +} + +@("does not throw when comparing an Exception with an Object") +unittest { + Lifecycle.instance.disableFailureHandling = false; + auto value = new Exception("some test"); + + expect(value).to.be.instanceOf!Exception; + expect(value).to.be.instanceOf!Object; + expect(value).to.not.be.instanceOf!string; +} + +version(unittest) { + static foreach (Type; NumericTypes) { + @(Type.stringof ~ " can compare two types") + unittest { + Lifecycle.instance.disableFailureHandling = false; + Type value = cast(Type) 40; + expect(value).to.be.instanceOf!Type; + expect(value).to.not.be.instanceOf!string; + } + + @(Type.stringof ~ " instanceOf string reports error with expected and actual") + unittest { + Type value = cast(Type) 40; + + auto evaluation = ({ + expect(value).to.be.instanceOf!string; + }).recordEvaluation; + + expect(evaluation.result.expected[]).to.equal("typeof string"); + expect(evaluation.result.actual[]).to.equal("typeof " ~ Type.stringof); + } + + @(Type.stringof ~ " not instanceOf itself reports error with expected and negated") + unittest { + Type value = cast(Type) 40; + + auto evaluation = ({ + expect(value).to.not.be.instanceOf!Type; + }).recordEvaluation; + + expect(evaluation.result.expected[]).to.equal("not typeof " ~ Type.stringof); + expect(evaluation.result.actual[]).to.equal("typeof " ~ Type.stringof); + expect(evaluation.result.negated).to.equal(true); + } + } +} + +@("lazy object throwing in instanceOf propagates the exception") +unittest { + Lifecycle.instance.disableFailureHandling = false; + Object someLazyObject() { + throw new Exception("This is it."); + } + + ({ + someLazyObject.should.be.instanceOf!Object; + }).should.throwAnyException.withMessage("This is it."); +} + +@("object instanceOf same class succeeds") +unittest { + class SomeClass { } + auto someObject = new SomeClass; + someObject.should.be.instanceOf!SomeClass; +} + +@("extended object instanceOf base class succeeds") +unittest { + class BaseClass { } + class ExtendedClass : BaseClass { } + auto extendedObject = new ExtendedClass; + extendedObject.should.be.instanceOf!BaseClass; +} + +@("object not instanceOf different class succeeds") +unittest { + class SomeClass { } + class OtherClass { } + auto someObject = new SomeClass; + someObject.should.not.be.instanceOf!OtherClass; +} + +@("object not instanceOf unrelated base class succeeds") +unittest { + class BaseClass { } + class SomeClass { } + auto someObject = new SomeClass; + someObject.should.not.be.instanceOf!BaseClass; +} + +version(unittest) { + interface InstanceOfTestInterface { } + class InstanceOfBaseClass : InstanceOfTestInterface { } + class InstanceOfOtherClass { } +} + +@("object instanceOf wrong class reports expected class name") +unittest { + auto otherObject = new InstanceOfOtherClass; + + auto evaluation = ({ + otherObject.should.be.instanceOf!InstanceOfBaseClass; + }).recordEvaluation; + + evaluation.result.messageString.should.contain(`should be instance of`); + evaluation.result.expected[].should.equal("typeof fluentasserts.operations.type.instanceOf.InstanceOfBaseClass"); + evaluation.result.actual[].should.equal("typeof fluentasserts.operations.type.instanceOf.InstanceOfOtherClass"); +} + +@("object not instanceOf own class reports expected not typeof") +unittest { + auto otherObject = new InstanceOfOtherClass; + + auto evaluation = ({ + otherObject.should.not.be.instanceOf!InstanceOfOtherClass; + }).recordEvaluation; + + evaluation.result.messageString.should.contain(`should not be instance of`); + evaluation.result.messageString.should.endWith(`is instance of fluentasserts.operations.type.instanceOf.InstanceOfOtherClass.`); + evaluation.result.actual[].should.equal("typeof fluentasserts.operations.type.instanceOf.InstanceOfOtherClass"); + evaluation.result.expected[].should.equal("not typeof fluentasserts.operations.type.instanceOf.InstanceOfOtherClass"); +} + +@("interface instanceOf same interface succeeds") +unittest { + InstanceOfTestInterface someInterface = new InstanceOfBaseClass; + someInterface.should.be.instanceOf!InstanceOfTestInterface; +} + +@("interface not instanceOf implementing class succeeds") +unittest { + InstanceOfTestInterface someInterface = new InstanceOfBaseClass; + someInterface.should.not.be.instanceOf!InstanceOfBaseClass; +} + +@("class instanceOf implemented interface succeeds") +unittest { + auto someObject = new InstanceOfBaseClass; + someObject.should.be.instanceOf!InstanceOfTestInterface; +} + +@("object instanceOf unimplemented interface reports expected interface name") +unittest { + auto otherObject = new InstanceOfOtherClass; + + auto evaluation = ({ + otherObject.should.be.instanceOf!InstanceOfTestInterface; + }).recordEvaluation; + + evaluation.result.messageString.should.contain(`should be instance of`); + evaluation.result.messageString.should.contain(`InstanceOfTestInterface`); + evaluation.result.expected[].should.equal("typeof fluentasserts.operations.type.instanceOf.InstanceOfTestInterface"); + evaluation.result.actual[].should.equal("typeof fluentasserts.operations.type.instanceOf.InstanceOfOtherClass"); +} + +@("object not instanceOf implemented interface reports expected not typeof") +unittest { + auto someObject = new InstanceOfBaseClass; + + auto evaluation = ({ + someObject.should.not.be.instanceOf!InstanceOfTestInterface; + }).recordEvaluation; + + evaluation.result.messageString.should.contain(`should not be instance of`); + evaluation.result.messageString.should.endWith(`is instance of fluentasserts.operations.type.instanceOf.InstanceOfBaseClass.`); + evaluation.result.expected[].should.equal("not typeof fluentasserts.operations.type.instanceOf.InstanceOfTestInterface"); + evaluation.result.actual[].should.equal("typeof fluentasserts.operations.type.instanceOf.InstanceOfBaseClass"); +} \ No newline at end of file diff --git a/source/fluentasserts/results/asserts.d b/source/fluentasserts/results/asserts.d new file mode 100644 index 00000000..e61a3409 --- /dev/null +++ b/source/fluentasserts/results/asserts.d @@ -0,0 +1,279 @@ +/// Assertion result types for fluent-asserts. +/// Provides structures for representing assertion outcomes with diff support. +module fluentasserts.results.asserts; + +import std.string; + +import fluentasserts.core.diff.diff : computeDiff; +import fluentasserts.core.diff.types : EditOp; +import fluentasserts.core.config : config = FluentAssertsConfig; +import fluentasserts.results.message : Message, ResultGlyphs; +import fluentasserts.core.memory.heapstring : HeapString; +public import fluentasserts.core.array : FixedArray, FixedAppender, FixedStringArray; + +@safe: + +/// Represents a segment of a diff between expected and actual values. +struct DiffSegment { + /// The type of diff operation + enum Operation { + /// Text is the same in both values + equal, + /// Text was inserted (present in actual but not expected) + insert, + /// Text was deleted (present in expected but not actual) + delete_ + } + + /// The operation type for this segment + Operation operation; + + /// The text content of this segment + string text; + + /// Converts the segment to a displayable string with markers for inserts/deletes. + string toString() nothrow inout { + auto displayText = text + .replace("\r", ResultGlyphs.carriageReturn) + .replace("\n", ResultGlyphs.newline) + .replace("\0", ResultGlyphs.nullChar) + .replace("\t", ResultGlyphs.tab); + + final switch (operation) { + case Operation.equal: + return displayText; + case Operation.insert: + return "[+" ~ displayText ~ "]"; + case Operation.delete_: + return "[-" ~ displayText ~ "]"; + } + } +} + +/// Holds the result of an assertion including expected/actual values and diff. +struct AssertResult { + /// The message segments (stored as fixed array, accessed via messages()) + private { + Message[config.buffers.maxMessageSegments] _messages; + size_t _messageCount; + } + + /// Maximum number of context entries per assertion + enum MAX_CONTEXT_ENTRIES = 8; + + /// Context data for debugging (Issue #79) + private { + HeapString[MAX_CONTEXT_ENTRIES] _contextKeys; + HeapString[MAX_CONTEXT_ENTRIES] _contextValues; + size_t _contextCount; + bool _contextOverflow; + } + + /// Returns the active message segments as a slice + inout(Message)[] messages() return inout nothrow @safe @nogc { + return _messages[0 .. _messageCount]; + } + + /// The expected value as a fixed-size buffer + FixedAppender!(config.buffers.expectedActualBufferSize) expected; + + /// The actual value as a fixed-size buffer + FixedAppender!(config.buffers.expectedActualBufferSize) actual; + + /// Whether the assertion was negated + bool negated; + + /// Diff segments between expected and actual + immutable(DiffSegment)[] diff; + + /// Extra items found (for collection assertions) + FixedStringArray!(config.buffers.defaultStringArraySize) extra; + + /// Missing items (for collection assertions) + FixedStringArray!(config.buffers.defaultStringArraySize) missing; + + /// Returns true if the result has any content indicating a failure. + bool hasContent() nothrow @safe @nogc const { + return !expected.empty || !actual.empty + || diff.length > 0 || extra.length > 0 || missing.length > 0; + } + + /// Formats a value for display, replacing special characters with glyphs. + string formatValue(string value) nothrow inout { + return value + .replace("\r", ResultGlyphs.carriageReturn) + .replace("\n", ResultGlyphs.newline) + .replace("\0", ResultGlyphs.nullChar) + .replace("\t", ResultGlyphs.tab); + } + + /// Returns the message as a HeapString. + HeapString messageString() nothrow @trusted @nogc inout { + // Calculate total size needed + size_t totalSize = 0; + foreach (ref m; messages) { + totalSize += m.text.length; + } + + // Preallocate and copy + HeapString result = HeapString.create(totalSize); + foreach (ref m; messages) { + result.put(m.text[]); + } + return result; + } + + /// Converts the entire result to a displayable string. + string toString() nothrow @trusted inout { + return messageString()[].idup; + } + + /// Adds a message to the result. + void add(Message msg) nothrow @safe @nogc { + if (_messageCount < _messages.length) { + _messages[_messageCount++] = msg; + } + } + + /// Removes the last message (if any). + void popMessage() nothrow @safe @nogc { + if (_messageCount > 0) { + _messageCount--; + } + } + + /// Adds text to the result, optionally as a value type. + void add(bool isValue, string text) nothrow { + add(Message(isValue ? Message.Type.value : Message.Type.info, text)); + } + + /// Adds a value to the result. + void addValue(string text) nothrow @safe @nogc { + add(Message(Message.Type.value, text)); + } + + /// Adds a value to the result (const(char)[] overload). + void addValue(const(char)[] text) nothrow @trusted @nogc { + add(Message(Message.Type.value, cast(string) text)); + } + + /// Adds informational text to the result. + void addText(string text) nothrow @safe @nogc { + if (text == "throwAnyException") { + text = "throw any exception"; + } + add(Message(Message.Type.info, text)); + } + + /// Adds informational text to the result (const(char)[] overload). + void addText(const(char)[] text) nothrow @trusted @nogc { + add(Message(Message.Type.info, cast(string) text)); + } + + /// Prepends a message to the result (shifts existing messages). + private void prepend(Message msg) nothrow @safe @nogc { + if (_messageCount < _messages.length) { + // Shift all existing messages to the right + for (size_t i = _messageCount; i > 0; i--) { + _messages[i] = _messages[i - 1]; + } + _messages[0] = msg; + _messageCount++; + } + } + + /// Prepends informational text to the result. + void prependText(string text) nothrow @safe { + prepend(Message(Message.Type.info, text)); + } + + /// Prepends a value to the result. + void prependValue(string text) nothrow @safe { + prepend(Message(Message.Type.value, text)); + } + + /// Starts the message with the given text. + void startWith(string text) nothrow @safe { + prepend(Message(Message.Type.info, text)); + } + + /// Replaces the first message (the subject) with new text. + /// Used to update the message with source expression on failure. + void replaceFirst(string text) nothrow @safe @nogc { + if (_messageCount > 0) { + _messages[0] = Message(Message.Type.info, text); + } + } + + /// Computes the diff between expected and actual values. + void setDiff(string expectedVal, string actualVal) nothrow @trusted { + import fluentasserts.core.memory.heapstring : toHeapString; + + auto a = toHeapString(expectedVal); + auto b = toHeapString(actualVal); + auto diffResult = computeDiff(a, b); + + DiffSegment[] segments; + + foreach (i; 0 .. diffResult.length) { + auto d = diffResult[i]; + DiffSegment.Operation op; + + final switch (d.op) { + case EditOp.equal: op = DiffSegment.Operation.equal; break; + case EditOp.insert: op = DiffSegment.Operation.insert; break; + case EditOp.remove: op = DiffSegment.Operation.delete_; break; + } + + segments ~= DiffSegment(op, d.text[].idup); + } + + diff = cast(immutable(DiffSegment)[]) segments; + } + + /// Adds context data for debugging (Issue #79). + /// Context is displayed alongside the assertion failure message. + /// Limited to MAX_CONTEXT_ENTRIES entries; additional entries are dropped with a warning. + void addContext(string key, string value) @trusted nothrow { + import fluentasserts.core.memory.heapstring : toHeapString; + + if (_contextCount < MAX_CONTEXT_ENTRIES) { + _contextKeys[_contextCount] = toHeapString(key); + _contextValues[_contextCount] = toHeapString(value); + _contextCount++; + } else { + _contextOverflow = true; + } + } + + /// Returns true if context data has been added. + bool hasContext() const @safe nothrow @nogc { + return _contextCount > 0; + } + + /// Returns true if context entries were dropped due to overflow. + bool hasContextOverflow() const @safe nothrow @nogc { + return _contextOverflow; + } + + /// Returns the number of context entries. + size_t contextCount() const @safe nothrow @nogc { + return _contextCount; + } + + /// Returns context key at index. + const(char)[] contextKey(size_t index) const @safe nothrow @nogc { + if (index < _contextCount) { + return _contextKeys[index][]; + } + return ""; + } + + /// Returns context value at index. + const(char)[] contextValue(size_t index) const @safe nothrow @nogc { + if (index < _contextCount) { + return _contextValues[index][]; + } + return ""; + } +} diff --git a/source/fluentasserts/results/formatting.d b/source/fluentasserts/results/formatting.d new file mode 100644 index 00000000..03409ead --- /dev/null +++ b/source/fluentasserts/results/formatting.d @@ -0,0 +1,71 @@ +/// Formatting utilities for fluent-asserts. +/// Provides helper functions for converting operation names to readable strings. +module fluentasserts.results.formatting; + +import std.uni : toLower, isUpper, isLower; + +version (unittest) { + import fluentasserts.core.lifecycle; +} + +@safe: + +/// Converts an operation name to a nice, human-readable string. +/// Replaces dots with spaces and adds spaces before uppercase letters. +/// Params: +/// value = The operation name (e.g., "throwException.withMessage") +/// Returns: A readable string (e.g., "throw exception with message") +string toNiceOperation(string value) @safe nothrow { + string newValue; + + foreach (index, ch; value) { + if (index == 0) { + newValue ~= ch.toLower; + continue; + } + + if (ch == '.') { + newValue ~= ' '; + continue; + } + + if (ch.isUpper && value[index - 1].isLower) { + newValue ~= ' '; + newValue ~= ch.toLower; + continue; + } + + newValue ~= ch; + } + + return newValue; +} + +version (unittest) { + import fluentasserts.core.expect; +} + +@("toNiceOperation converts empty string") +unittest { + Lifecycle.instance.disableFailureHandling = false; + expect("".toNiceOperation).to.equal(""); +} + +@("toNiceOperation converts dots to spaces") +unittest { + Lifecycle.instance.disableFailureHandling = false; + expect("a.b".toNiceOperation).to.equal("a b"); +} + +@("toNiceOperation converts camelCase to spaced words") +unittest { + Lifecycle.instance.disableFailureHandling = false; + expect("aB".toNiceOperation).to.equal("a b"); +} + +@("toNiceOperation converts complex operation names") +unittest { + Lifecycle.instance.disableFailureHandling = false; + expect("throwException".toNiceOperation).to.equal("throw exception"); + expect("throwException.withMessage".toNiceOperation).to.equal("throw exception with message"); +} diff --git a/source/fluentasserts/results/message.d b/source/fluentasserts/results/message.d new file mode 100644 index 00000000..50dbb473 --- /dev/null +++ b/source/fluentasserts/results/message.d @@ -0,0 +1,163 @@ +/// Message types and display formatting for fluent-asserts. +/// Provides structures for representing and formatting assertion messages. +module fluentasserts.results.message; + +import std.string; + +import fluentasserts.core.memory.heapstring : HeapString, toHeapString; + +@safe: + +/// Glyphs used to display special characters in the results. +/// These can be customized for different terminal environments. +struct ResultGlyphs { + static { + /// Glyph for the tab character + string tab; + + /// Glyph for the carriage return character + string carriageReturn; + + /// Glyph for the newline character + string newline; + + /// Glyph for the space character + string space; + + /// Glyph for the null character + string nullChar; + + /// Glyph for the bell character + string bell; + + /// Glyph for the backspace character + string backspace; + + /// Glyph for the vertical tab character + string verticalTab; + + /// Glyph for the form feed character + string formFeed; + + /// Glyph for the escape character + string escape; + + /// Glyph that indicates the error line in source display + string sourceIndicator; + + /// Glyph that separates the line number from source code + string sourceLineSeparator; + + /// Glyph for the diff begin indicator + string diffBegin; + + /// Glyph for the diff end indicator + string diffEnd; + + /// Glyph that marks inserted text in diff + string diffInsert; + + /// Glyph that marks deleted text in diff + string diffDelete; + } + + /// Resets all glyphs to their default values. + /// Windows uses ASCII-compatible glyphs, other platforms use Unicode. + static resetDefaults() { + version (windows) { + ResultGlyphs.tab = `\t`; + ResultGlyphs.carriageReturn = `\r`; + ResultGlyphs.newline = `\n`; + ResultGlyphs.space = ` `; + ResultGlyphs.nullChar = `␀`; + ResultGlyphs.bell = `\a`; + ResultGlyphs.backspace = `\b`; + ResultGlyphs.verticalTab = `\v`; + ResultGlyphs.formFeed = `\f`; + ResultGlyphs.escape = `\e`; + } else { + ResultGlyphs.tab = `\t`; + ResultGlyphs.carriageReturn = `\r`; + ResultGlyphs.newline = `\n`; + ResultGlyphs.space = ` `; + ResultGlyphs.nullChar = `\0`; + ResultGlyphs.bell = `\a`; + ResultGlyphs.backspace = `\b`; + ResultGlyphs.verticalTab = `\v`; + ResultGlyphs.formFeed = `\f`; + ResultGlyphs.escape = `\e`; + } + + ResultGlyphs.sourceIndicator = ">"; + ResultGlyphs.sourceLineSeparator = ":"; + + ResultGlyphs.diffBegin = "["; + ResultGlyphs.diffEnd = "]"; + ResultGlyphs.diffInsert = "+"; + ResultGlyphs.diffDelete = "-"; + } +} + +/// Represents a single message segment with a type and text content. +/// Messages are used to build up assertion failure descriptions. +struct Message { + /// The type of message content + enum Type { + /// Informational text + info, + /// A value being displayed + value, + /// A section title + title, + /// A category label + category, + /// Inserted text in a diff + insert, + /// Deleted text in a diff + delete_ + } + + /// The type of this message + Type type; + + /// The text content of this message + HeapString text; + + /// Constructs a message with the given type and text. + this(Type type, string text) nothrow @trusted @nogc { + this.type = type; + this.text = toHeapString(text); + } + + /// Returns the raw text content. Use formattedText() for display with special formatting. + const(char)[] toString() nothrow @nogc inout { + return text[]; + } + + /// Returns the text with special character replacements and type-specific formatting. + /// This allocates memory and should be used only for display purposes. + string formattedText() nothrow inout { + string content = text[].idup; + + if (type == Type.value || type == Type.insert || type == Type.delete_) { + content = content + .replace("\r", ResultGlyphs.carriageReturn) + .replace("\n", ResultGlyphs.newline) + .replace("\0", ResultGlyphs.nullChar) + .replace("\t", ResultGlyphs.tab); + } + + switch (type) { + case Type.title: + return "\n\n" ~ text[].idup ~ "\n"; + case Type.insert: + return "[-" ~ content ~ "]"; + case Type.delete_: + return "[+" ~ content ~ "]"; + case Type.category: + return "\n" ~ text[].idup ~ ""; + default: + return content; + } + } +} diff --git a/source/fluentasserts/results/printer.d b/source/fluentasserts/results/printer.d new file mode 100644 index 00000000..710fd3df --- /dev/null +++ b/source/fluentasserts/results/printer.d @@ -0,0 +1,201 @@ +/// Result printing infrastructure for fluent-asserts. +/// Provides interfaces and implementations for formatting and displaying assertion results. +module fluentasserts.results.printer; + +import std.stdio; +import std.algorithm; +import std.conv; +import std.range; +import std.string; + +public import fluentasserts.results.message; +public import fluentasserts.results.source.result : SourceResult; + +@safe: + +/// Interface for printing assertion results. +/// Implementations can customize how different message types are displayed. +interface ResultPrinter { + nothrow: + /// Prints a structured message + void print(Message); + + /// Prints primary/default text + void primary(string); + + /// Prints informational text + void info(string); + + /// Prints error/danger text + void danger(string); + + /// Prints success text + void success(string); + + /// Prints error text with reversed colors + void dangerReverse(string); + + /// Prints success text with reversed colors + void successReverse(string); + + void newLine(); +} + +version (unittest) { + /// Mock printer for testing purposes + class MockPrinter : ResultPrinter { + string buffer; + + void print(Message message) { + import std.conv : to; + + try { + buffer ~= "[" ~ message.type.to!string ~ ":" ~ message.text[].idup ~ "]"; + } catch (Exception) { + buffer ~= "ERROR"; + } + } + + void primary(string val) { + buffer ~= "[primary:" ~ val ~ "]"; + } + + void info(string val) { + buffer ~= "[info:" ~ val ~ "]"; + } + + void danger(string val) { + buffer ~= "[danger:" ~ val ~ "]"; + } + + void success(string val) { + buffer ~= "[success:" ~ val ~ "]"; + } + + void dangerReverse(string val) { + buffer ~= "[dangerReverse:" ~ val ~ "]"; + } + + void successReverse(string val) { + buffer ~= "[successReverse:" ~ val ~ "]"; + } + + void newLine() { + buffer ~= "\n"; + } + } +} + +/// Represents whitespace intervals in a string. +struct WhiteIntervals { + /// Left whitespace count + size_t left; + + /// Right whitespace count + size_t right; +} + +/// Gets the whitespace intervals (leading and trailing) in a string. +/// Params: +/// text = The text to analyze +/// Returns: WhiteIntervals with left and right whitespace positions +WhiteIntervals getWhiteIntervals(string text) { + auto stripText = text.strip; + + if (stripText == "") { + return WhiteIntervals(0, 0); + } + + return WhiteIntervals(text.indexOf(stripText[0]), text.lastIndexOf(stripText[stripText.length - 1])); +} + +/// Writes text to stdout without throwing exceptions. +void writeNoThrow(T)(T text) nothrow { + try { + write(text); + } catch (Exception e) { + assert(true, "Can't write to stdout!"); + } +} + +/// Default implementation of ResultPrinter. +/// Prints all text types to stdout without formatting. +class DefaultResultPrinter : ResultPrinter { + nothrow: + + void print(Message message) { + } + + void primary(string text) { + writeNoThrow(text); + } + + void info(string text) { + writeNoThrow(text); + } + + void danger(string text) { + writeNoThrow(text); + } + + void success(string text) { + writeNoThrow(text); + } + + void dangerReverse(string text) { + writeNoThrow(text); + } + + void successReverse(string text) { + writeNoThrow(text); + } + + void newLine() { + writeNoThrow("\n"); + } +} + +/// ResultPrinter that stores output in memory using Appender. +class StringResultPrinter : ResultPrinter { + import std.array : Appender; + + private Appender!string buffer; + + nothrow: + + void print(Message message) { + buffer.put(message.text[]); + } + + void primary(string text) { + buffer.put(text); + } + + void info(string text) { + buffer.put(text); + } + + void danger(string text) { + buffer.put(text); + } + + void success(string text) { + buffer.put(text); + } + + void dangerReverse(string text) { + buffer.put(text); + } + + void successReverse(string text) { + buffer.put(text); + } + + void newLine() { + buffer.put("\n"); + } + + override string toString() { + return buffer.data; + } +} diff --git a/source/fluentasserts/results/serializers/heap_registry.d b/source/fluentasserts/results/serializers/heap_registry.d new file mode 100644 index 00000000..b2c02f24 --- /dev/null +++ b/source/fluentasserts/results/serializers/heap_registry.d @@ -0,0 +1,395 @@ +/// HeapSerializerRegistry for @nogc HeapString serialization. +module fluentasserts.results.serializers.heap_registry; + +import std.array; +import std.string; +import std.algorithm; +import std.traits; +import std.conv; +import std.datetime; +import std.functional; + +import fluentasserts.core.memory.heapstring : HeapString, HeapStringList, toHeapString; +import fluentasserts.core.evaluation.constraints : isPrimitiveType; +import fluentasserts.core.conversion.toheapstring : StringResult, toHeapString; +import fluentasserts.results.serializers.stringprocessing : replaceSpecialChars; + +version(unittest) { + import fluent.asserts; + import fluentasserts.core.lifecycle; +} + +/// Registry for value serializers that returns HeapString. +/// Converts values to HeapString representations for assertion output in @nogc contexts. +/// Custom serializers can be registered for specific types. +class HeapSerializerRegistry { + /// Global singleton instance. + static HeapSerializerRegistry instance; + + private { + HeapString delegate(void*)[string] serializers; + HeapString delegate(const void*)[string] constSerializers; + HeapString delegate(immutable void*)[string] immutableSerializers; + } + + /// Registers a custom serializer delegate for an aggregate type. + /// The serializer will be used when serializing values of that type. + void register(T)(HeapString delegate(T) serializer) @trusted if(isAggregateType!T) { + enum key = T.stringof; + + static if(is(Unqual!T == T)) { + HeapString wrap(void* val) @trusted { + auto value = (cast(T*) val); + return serializer(*value); + } + + serializers[key] = &wrap; + } else static if(is(ConstOf!T == T)) { + HeapString wrap(const void* val) @trusted { + auto value = (cast(T*) val); + return serializer(*value); + } + + constSerializers[key] = &wrap; + } else static if(is(ImmutableOf!T == T)) { + HeapString wrap(immutable void* val) @trusted { + auto value = (cast(T*) val); + return serializer(*value); + } + + immutableSerializers[key] = &wrap; + } + } + + /// Registers a custom serializer function for a type. + /// Converts the function to a delegate and registers it. + void register(T)(HeapString function(T) serializer) @trusted { + auto serializerDelegate = serializer.toDelegate; + this.register(serializerDelegate); + } + + /// Serializes an array to a HeapString representation. + /// Each element is serialized and joined with commas. + HeapString serialize(T)(T[] value) @trusted if(!isSomeString!(T[])) { + static if(is(Unqual!T == void)) { + auto result = HeapString.create(2); + result.put("[]"); + return result; + } else { + auto result = HeapString.create(); + result.put("["); + bool first = true; + foreach(elem; value) { + if(!first) result.put(", "); + first = false; + auto serialized = serialize(elem); + result.put(serialized[]); + } + result.put("]"); + return result; + } + } + + /// Serializes an associative array to a HeapString representation. + /// Keys are sorted for consistent output. + HeapString serialize(T: V[K], V, K)(T value) @trusted { + auto result = HeapString.create(); + result.put("["); + auto keys = value.byKey.array.sort; + bool first = true; + foreach(k; keys) { + if(!first) result.put(", "); + first = false; + result.put(`"`); + auto serializedKey = serialize(k); + result.put(serializedKey[]); + result.put(`":`); + auto serializedValue = serialize(value[k]); + result.put(serializedValue[]); + } + result.put("]"); + return result; + } + + /// Serializes a HeapString (HeapData!char) to itself. + /// This avoids calling .to!string which is not nothrow. + HeapString serialize(T)(T value) @trusted nothrow @nogc if(is(T == HeapString)) { + return value; + } + + /// Serializes an aggregate type (class, struct, interface) to a HeapString. + /// Uses a registered custom serializer if available. + HeapString serialize(T)(T value) @trusted if(isAggregateType!T && !is(T == HeapString)) { + auto key = T.stringof; + auto tmp = &value; + + static if(is(Unqual!T == T)) { + if(key in serializers) { + return serializers[key](tmp); + } + } + + static if(is(ConstOf!T == T)) { + if(key in constSerializers) { + return constSerializers[key](tmp); + } + } + + static if(is(ImmutableOf!T == T)) { + if(key in immutableSerializers) { + return immutableSerializers[key](tmp); + } + } + + auto result = HeapString.create(); + + static if(is(T == class)) { + if(value is null) { + result.put("null"); + } else { + auto v = (cast() value); + result.put(T.stringof); + result.put("("); + auto hashResult = toHeapString(v.toHash); + if (hashResult.success) { + result.put(hashResult.value[]); + } + result.put(")"); + } + } else static if(is(Unqual!T == Duration)) { + // Serialize as nanoseconds for parsing compatibility with toNumeric + auto strResult = toHeapString(value.total!"nsecs"); + if (strResult.success) { + result.put(strResult.value[]); + } + } else static if(is(Unqual!T == SysTime)) { + auto str = value.toISOExtString; + result.put(str); + } else { + auto str = value.to!string; + result.put(str); + } + + // Remove const() wrapper if present + auto resultSlice = result[]; + if(resultSlice.length >= 6 && resultSlice[0..6] == "const(") { + auto temp = HeapString.create(); + size_t pos = 6; + while(pos < resultSlice.length && resultSlice[pos] != ')') { + pos++; + } + temp.put(resultSlice[6..pos]); + if(pos + 1 < resultSlice.length) { + temp.put(resultSlice[pos + 1..$]); + } + return temp; + } + + // Remove immutable() wrapper if present + if(resultSlice.length >= 10 && resultSlice[0..10] == "immutable(") { + auto temp = HeapString.create(); + size_t pos = 10; + while(pos < resultSlice.length && resultSlice[pos] != ')') { + pos++; + } + temp.put(resultSlice[10..pos]); + if(pos + 1 < resultSlice.length) { + temp.put(resultSlice[pos + 1..$]); + } + return temp; + } + + return result; + } + + /// Serializes a primitive type (string, char, number) to a HeapString. + /// Strings are quoted with double quotes, chars with single quotes. + /// Special characters are replaced with their visual representations. + /// Note: Only string types are @nogc. Numeric types use .to!string which allocates. + HeapString serialize(T)(T value) @trusted if(!is(T == enum) && isPrimitiveType!T) { + static if(isSomeString!T) { + static if (is(T == string) || is(T == const(char)[])) { + return replaceSpecialChars(value); + } else { + // For wstring/dstring, convert to string first + auto str = value.to!string; + return replaceSpecialChars(str); + } + } else static if(isSomeChar!T) { + char[1] buf = [cast(char) value]; + return replaceSpecialChars(buf[]); + } else static if(__traits(isIntegral, T)) { + // Use toHeapString for integral types (better for @nogc contexts) + auto strResult = toHeapString(value); + if (strResult.success) { + return strResult.value; + } + // Fallback to empty string on failure + return HeapString.create(); + } else { + // For floating point, delegates, function pointers, etc., use .to!string + // This ensures better precision for floats and compatibility with existing behavior + auto result = HeapString.create(); + auto str = value.to!string; + result.put(str); + return result; + } + } + + /// Serializes an enum value to its underlying type representation. + HeapString serialize(T)(T value) @trusted nothrow if(is(T == enum)) { + static foreach(member; EnumMembers!T) { + if(member == value) { + return this.serialize(cast(OriginalType!T) member); + } + } + + auto result = HeapString.create(); + result.put("unknown enum value"); + return result; + } + + /// Returns a human-readable representation of a value. + /// Uses specialized formatting for SysTime and Duration. + HeapString niceValue(T)(T value) @trusted { + static if(is(Unqual!T == SysTime)) { + auto result = HeapString.create(); + auto str = value.toISOExtString; + result.put(str); + return result; + } else static if(is(Unqual!T == Duration)) { + auto result = HeapString.create(); + auto str = value.to!string; + result.put(str); + return result; + } else { + return serialize(value); + } + } +} + +// Unit tests +@("serializes a char") +unittest { + Lifecycle.instance.disableFailureHandling = false; + char ch = 'a'; + const char cch = 'a'; + immutable char ich = 'a'; + + HeapSerializerRegistry.instance.serialize(ch).should.equal("a"); + HeapSerializerRegistry.instance.serialize(cch).should.equal("a"); + HeapSerializerRegistry.instance.serialize(ich).should.equal("a"); +} + +@("serializes a SysTime") +unittest { + Lifecycle.instance.disableFailureHandling = false; + SysTime val = SysTime.fromISOExtString("2010-07-04T07:06:12"); + const SysTime cval = SysTime.fromISOExtString("2010-07-04T07:06:12"); + immutable SysTime ival = SysTime.fromISOExtString("2010-07-04T07:06:12"); + + HeapSerializerRegistry.instance.serialize(val).should.equal("2010-07-04T07:06:12"); + HeapSerializerRegistry.instance.serialize(cval).should.equal("2010-07-04T07:06:12"); + HeapSerializerRegistry.instance.serialize(ival).should.equal("2010-07-04T07:06:12"); +} + +@("serializes a string") +unittest { + Lifecycle.instance.disableFailureHandling = false; + string str = "aaa"; + const string cstr = "aaa"; + immutable string istr = "aaa"; + + HeapSerializerRegistry.instance.serialize(str).should.equal(`aaa`); + HeapSerializerRegistry.instance.serialize(cstr).should.equal(`aaa`); + HeapSerializerRegistry.instance.serialize(istr).should.equal(`aaa`); +} + +@("serializes an int") +unittest { + Lifecycle.instance.disableFailureHandling = false; + int value = 23; + const int cvalue = 23; + immutable int ivalue = 23; + + HeapSerializerRegistry.instance.serialize(value).should.equal(`23`); + HeapSerializerRegistry.instance.serialize(cvalue).should.equal(`23`); + HeapSerializerRegistry.instance.serialize(ivalue).should.equal(`23`); +} + +@("serializes an int list") +unittest { + Lifecycle.instance.disableFailureHandling = false; + int[] value = [2,3]; + const int[] cvalue = [2,3]; + immutable int[] ivalue = [2,3]; + + HeapSerializerRegistry.instance.serialize(value).should.equal(`[2, 3]`); + HeapSerializerRegistry.instance.serialize(cvalue).should.equal(`[2, 3]`); + HeapSerializerRegistry.instance.serialize(ivalue).should.equal(`[2, 3]`); +} + +@("serializes a void list") +unittest { + Lifecycle.instance.disableFailureHandling = false; + void[] value = []; + const void[] cvalue = []; + immutable void[] ivalue = []; + + HeapSerializerRegistry.instance.serialize(value).should.equal(`[]`); + HeapSerializerRegistry.instance.serialize(cvalue).should.equal(`[]`); + HeapSerializerRegistry.instance.serialize(ivalue).should.equal(`[]`); +} + +@("serializes a nested int list") +unittest { + Lifecycle.instance.disableFailureHandling = false; + int[][] value = [[0,1],[2,3]]; + const int[][] cvalue = [[0,1],[2,3]]; + immutable int[][] ivalue = [[0,1],[2,3]]; + + HeapSerializerRegistry.instance.serialize(value).should.equal(`[[0, 1], [2, 3]]`); + HeapSerializerRegistry.instance.serialize(cvalue).should.equal(`[[0, 1], [2, 3]]`); + HeapSerializerRegistry.instance.serialize(ivalue).should.equal(`[[0, 1], [2, 3]]`); +} + +@("serializes an assoc array") +unittest { + Lifecycle.instance.disableFailureHandling = false; + int[string] value = ["a": 2,"b": 3, "c": 4]; + const int[string] cvalue = ["a": 2,"b": 3, "c": 4]; + immutable int[string] ivalue = ["a": 2,"b": 3, "c": 4]; + + HeapSerializerRegistry.instance.serialize(value).should.equal(`["a":2, "b":3, "c":4]`); + HeapSerializerRegistry.instance.serialize(cvalue).should.equal(`["a":2, "b":3, "c":4]`); + HeapSerializerRegistry.instance.serialize(ivalue).should.equal(`["a":2, "b":3, "c":4]`); +} + +@("serializes a string enum") +unittest { + Lifecycle.instance.disableFailureHandling = false; + enum TestType : string { + a = "a", + b = "b" + } + TestType value = TestType.a; + const TestType cvalue = TestType.a; + immutable TestType ivalue = TestType.a; + + HeapSerializerRegistry.instance.serialize(value).should.equal(`a`); + HeapSerializerRegistry.instance.serialize(cvalue).should.equal(`a`); + HeapSerializerRegistry.instance.serialize(ivalue).should.equal(`a`); +} + +version(unittest) { struct TestStruct { int a; string b; }; } +@("serializes a struct") +unittest { + Lifecycle.instance.disableFailureHandling = false; + TestStruct value = TestStruct(1, "2"); + const TestStruct cvalue = TestStruct(1, "2"); + immutable TestStruct ivalue = TestStruct(1, "2"); + + HeapSerializerRegistry.instance.serialize(value).should.equal(`TestStruct(1, "2")`); + HeapSerializerRegistry.instance.serialize(cvalue).should.equal(`TestStruct(1, "2")`); + HeapSerializerRegistry.instance.serialize(ivalue).should.equal(`TestStruct(1, "2")`); +} diff --git a/source/fluentasserts/results/serializers/stringprocessing.d b/source/fluentasserts/results/serializers/stringprocessing.d new file mode 100644 index 00000000..d116c1cd --- /dev/null +++ b/source/fluentasserts/results/serializers/stringprocessing.d @@ -0,0 +1,497 @@ +/// String processing and list parsing functions for serializers. +module fluentasserts.results.serializers.stringprocessing; + +import std.array; +import std.string; +import std.algorithm; +import std.traits; +import std.conv; +import std.datetime; + +import fluentasserts.core.memory.heapstring : HeapString, HeapStringList; + +version(unittest) { + import fluent.asserts; + import fluentasserts.core.lifecycle; +} + +/// Replaces ASCII control characters and trailing spaces with visual representations from ResultGlyphs. +/// Params: +/// value = The string to process +/// Returns: A HeapString with control characters and trailing spaces replaced by glyphs. +HeapString replaceSpecialChars(const(char)[] value) @trusted nothrow @nogc { + import fluentasserts.results.message : ResultGlyphs; + + size_t trailingSpaceStart = value.length; + foreach_reverse (i, c; value) { + if (c != ' ') { + trailingSpaceStart = i + 1; + break; + } + } + if (value.length > 0 && value[0] == ' ' && trailingSpaceStart == value.length) { + trailingSpaceStart = 0; + } + + auto result = HeapString.create(value.length); + + foreach (i, c; value) { + if (c < 32 || c == 127) { + switch (c) { + case '\0': result.put(ResultGlyphs.nullChar); break; + case '\a': result.put(ResultGlyphs.bell); break; + case '\b': result.put(ResultGlyphs.backspace); break; + case '\t': result.put(ResultGlyphs.tab); break; + case '\n': result.put(ResultGlyphs.newline); break; + case '\v': result.put(ResultGlyphs.verticalTab); break; + case '\f': result.put(ResultGlyphs.formFeed); break; + case '\r': result.put(ResultGlyphs.carriageReturn); break; + case 27: result.put(ResultGlyphs.escape); break; + default: putHex(result, cast(ubyte) c); break; + } + } else if (c == ' ' && i >= trailingSpaceStart) { + result.put(ResultGlyphs.space); + } else { + result.put(c); + } + } + + return result; +} + +/// Appends a hex escape sequence like `\x1F` to the buffer. +private void putHex(ref HeapString buf, ubyte b) @safe nothrow @nogc { + static immutable hexDigits = "0123456789ABCDEF"; + buf.put('\\'); + buf.put('x'); + buf.put(hexDigits[b >> 4]); + buf.put(hexDigits[b & 0xF]); +} + +/// Parses a serialized list string into individual elements. +/// Handles nested arrays, quoted strings, and char literals. +/// Params: +/// value = The serialized list string (e.g., "[1, 2, 3]") +/// Returns: A HeapStringList containing individual element strings. +HeapStringList parseList(HeapString value) @trusted nothrow @nogc { + return parseList(value[]); +} + +/// ditto +HeapStringList parseList(const(char)[] value) @trusted nothrow @nogc { + HeapStringList result; + + if (value.length == 0) { + return result; + } + + if (value.length == 1) { + auto item = HeapString.create(1); + item.put(value[0]); + result.put(item); + return result; + } + + if (value[0] != '[' || value[value.length - 1] != ']') { + auto item = HeapString.create(value.length); + item.put(value); + result.put(item); + return result; + } + + HeapString currentValue; + bool isInsideString; + bool isInsideChar; + bool isInsideArray; + long arrayIndex = 0; + + foreach (index; 1 .. value.length - 1) { + auto ch = value[index]; + auto canSplit = !isInsideString && !isInsideChar && !isInsideArray; + + if (canSplit && ch == ',' && currentValue.length > 0) { + auto stripped = stripHeapString(currentValue); + result.put(stripped); + currentValue = HeapString.init; + continue; + } + + if (!isInsideChar && !isInsideString) { + if (ch == '[') { + arrayIndex++; + isInsideArray = true; + } + + if (ch == ']') { + arrayIndex--; + + if (arrayIndex == 0) { + isInsideArray = false; + } + } + } + + if (!isInsideArray) { + if (!isInsideChar && ch == '"') { + isInsideString = !isInsideString; + } + + if (!isInsideString && ch == '\'') { + isInsideChar = !isInsideChar; + } + } + + currentValue.put(ch); + } + + if (currentValue.length > 0) { + auto stripped = stripHeapString(currentValue); + result.put(stripped); + } + + return result; +} + +/// Strips leading and trailing whitespace from a HeapString. +private HeapString stripHeapString(ref HeapString input) @trusted nothrow @nogc { + if (input.length == 0) { + return HeapString.init; + } + + auto data = input[]; + size_t start = 0; + size_t end = data.length; + + while (start < end && (data[start] == ' ' || data[start] == '\t')) { + start++; + } + + while (end > start && (data[end - 1] == ' ' || data[end - 1] == '\t')) { + end--; + } + + auto result = HeapString.create(end - start); + result.put(data[start .. end]); + return result; +} + +/// Removes surrounding quotes from a string value. +/// Handles both double quotes and single quotes. +/// Params: +/// value = The potentially quoted string +/// Returns: The string with surrounding quotes removed. +const(char)[] cleanString(HeapString value) @safe nothrow @nogc { + return cleanString(value[]); +} + +/// ditto +const(char)[] cleanString(const(char)[] value) @safe nothrow @nogc { + if (value.length <= 1) { + return value; + } + + char first = value[0]; + char last = value[value.length - 1]; + + if (first == last && (first == '"' || first == '\'')) { + return value[1 .. $ - 1]; + } + + return value; +} + +/// Overload for immutable strings that returns string for backward compatibility. +string cleanString(string value) @safe nothrow @nogc { + if (value.length <= 1) { + return value; + } + + char first = value[0]; + char last = value[value.length - 1]; + + if (first == last && (first == '"' || first == '\'')) { + return value[1 .. $ - 1]; + } + + return value; +} + +/// Removes surrounding quotes from each HeapString in a HeapStringList. +/// Modifies the list in place. +/// Params: +/// pieces = The HeapStringList of potentially quoted strings +void cleanString(ref HeapStringList pieces) @trusted nothrow @nogc { + foreach (i; 0 .. pieces.length) { + auto cleaned = cleanString(pieces[i][]); + if (cleaned.length != pieces[i].length) { + auto newItem = HeapString.create(cleaned.length); + newItem.put(cleaned); + pieces[i] = newItem; + } + } +} + +/// Helper function for testing: checks if HeapStringList matches expected strings. +version(unittest) { + private void assertHeapStringListEquals(ref HeapStringList list, string[] expected) { + import std.conv : to; + assert(list.length == expected.length, + "Length mismatch: got " ~ list.length.to!string ~ ", expected " ~ expected.length.to!string); + foreach (i, exp; expected) { + assert(list[i][] == exp, + "Element " ~ i.to!string ~ " mismatch: got '" ~ list[i][].idup ~ "', expected '" ~ exp ~ "'"); + } + } +} + +// Unit tests for replaceSpecialChars +@("replaceSpecialChars replaces null character") +unittest { + Lifecycle.instance.disableFailureHandling = false; + auto result = replaceSpecialChars("hello\0world"); + result[].should.equal("hello\\0world"); +} + +@("replaceSpecialChars replaces tab character") +unittest { + Lifecycle.instance.disableFailureHandling = false; + auto result = replaceSpecialChars("hello\tworld"); + result[].should.equal("hello\\tworld"); +} + +@("replaceSpecialChars replaces newline character") +unittest { + Lifecycle.instance.disableFailureHandling = false; + auto result = replaceSpecialChars("hello\nworld"); + result[].should.equal("hello\\nworld"); +} + +@("replaceSpecialChars replaces carriage return character") +unittest { + Lifecycle.instance.disableFailureHandling = false; + auto result = replaceSpecialChars("hello\rworld"); + result[].should.equal("hello\\rworld"); +} + +@("replaceSpecialChars replaces trailing spaces") +unittest { + import fluentasserts.results.message : ResultGlyphs; + + Lifecycle.instance.disableFailureHandling = false; + auto savedSpace = ResultGlyphs.space; + scope(exit) ResultGlyphs.space = savedSpace; + ResultGlyphs.space = "\u00B7"; + + auto result = replaceSpecialChars("hello "); + result[].should.equal("hello\u00B7\u00B7\u00B7"); +} + +@("replaceSpecialChars preserves internal spaces") +unittest { + import fluentasserts.results.message : ResultGlyphs; + + Lifecycle.instance.disableFailureHandling = false; + auto savedSpace = ResultGlyphs.space; + scope(exit) ResultGlyphs.space = savedSpace; + ResultGlyphs.space = "\u00B7"; + + auto result = replaceSpecialChars("hello world"); + result[].should.equal("hello world"); +} + +@("replaceSpecialChars replaces all spaces when string is only spaces") +unittest { + import fluentasserts.results.message : ResultGlyphs; + + Lifecycle.instance.disableFailureHandling = false; + auto savedSpace = ResultGlyphs.space; + scope(exit) ResultGlyphs.space = savedSpace; + ResultGlyphs.space = "\u00B7"; + + auto result = replaceSpecialChars(" "); + result[].should.equal("\u00B7\u00B7\u00B7"); +} + +@("replaceSpecialChars handles empty string") +unittest { + Lifecycle.instance.disableFailureHandling = false; + auto result = replaceSpecialChars(""); + result[].should.equal(""); +} + +@("replaceSpecialChars replaces unknown control character with hex") +unittest { + Lifecycle.instance.disableFailureHandling = false; + auto result = replaceSpecialChars("hello\x01world"); + result[].should.equal("hello\\x01world"); +} + +@("replaceSpecialChars replaces DEL character with hex") +unittest { + Lifecycle.instance.disableFailureHandling = false; + auto result = replaceSpecialChars("hello\x7Fworld"); + result[].should.equal("hello\\x7Fworld"); +} + +// Unit tests for parseList +@("parseList parses an empty string") +unittest { + Lifecycle.instance.disableFailureHandling = false; + auto pieces = "".parseList; + assertHeapStringListEquals(pieces, []); +} + +@("parseList does not parse a string that does not contain []") +unittest { + Lifecycle.instance.disableFailureHandling = false; + auto pieces = "test".parseList; + assertHeapStringListEquals(pieces, ["test"]); +} + +@("parseList does not parse a char that does not contain []") +unittest { + Lifecycle.instance.disableFailureHandling = false; + auto pieces = "t".parseList; + assertHeapStringListEquals(pieces, ["t"]); +} + +@("parseList parses an empty array") +unittest { + Lifecycle.instance.disableFailureHandling = false; + auto pieces = "[]".parseList; + assertHeapStringListEquals(pieces, []); +} + +@("parseList parses a list of one number") +unittest { + Lifecycle.instance.disableFailureHandling = false; + auto pieces = "[1]".parseList; + assertHeapStringListEquals(pieces, ["1"]); +} + +@("parseList parses a list of two numbers") +unittest { + Lifecycle.instance.disableFailureHandling = false; + auto pieces = "[1,2]".parseList; + assertHeapStringListEquals(pieces, ["1", "2"]); +} + +@("parseList removes the whitespaces from the parsed values") +unittest { + Lifecycle.instance.disableFailureHandling = false; + auto pieces = "[ 1, 2 ]".parseList; + assertHeapStringListEquals(pieces, ["1", "2"]); +} + +@("parseList parses two string values that contain a comma") +unittest { + Lifecycle.instance.disableFailureHandling = false; + auto pieces = `[ "a,b", "c,d" ]`.parseList; + assertHeapStringListEquals(pieces, [`"a,b"`, `"c,d"`]); +} + +@("parseList parses two string values that contain a single quote") +unittest { + Lifecycle.instance.disableFailureHandling = false; + auto pieces = `[ "a'b", "c'd" ]`.parseList; + assertHeapStringListEquals(pieces, [`"a'b"`, `"c'd"`]); +} + +@("parseList parses two char values that contain a comma") +unittest { + Lifecycle.instance.disableFailureHandling = false; + auto pieces = `[ ',' , ',' ]`.parseList; + assertHeapStringListEquals(pieces, [`','`, `','`]); +} + +@("parseList parses two char values that contain brackets") +unittest { + Lifecycle.instance.disableFailureHandling = false; + auto pieces = `[ '[' , ']' ]`.parseList; + assertHeapStringListEquals(pieces, [`'['`, `']'`]); +} + +@("parseList parses two string values that contain brackets") +unittest { + Lifecycle.instance.disableFailureHandling = false; + auto pieces = `[ "[" , "]" ]`.parseList; + assertHeapStringListEquals(pieces, [`"["`, `"]"`]); +} + +@("parseList parses two char values that contain a double quote") +unittest { + Lifecycle.instance.disableFailureHandling = false; + auto pieces = `[ '"' , '"' ]`.parseList; + assertHeapStringListEquals(pieces, [`'"'`, `'"'`]); +} + +@("parseList parses two empty lists") +unittest { + Lifecycle.instance.disableFailureHandling = false; + auto pieces = `[ [] , [] ]`.parseList; + assertHeapStringListEquals(pieces, [`[]`, `[]`]); +} + +@("parseList parses two nested lists") +unittest { + Lifecycle.instance.disableFailureHandling = false; + auto pieces = `[ [[],[]] , [[[]],[]] ]`.parseList; + assertHeapStringListEquals(pieces, [`[[],[]]`, `[[[]],[]]`]); +} + +@("parseList parses two lists with items") +unittest { + Lifecycle.instance.disableFailureHandling = false; + auto pieces = `[ [1,2] , [3,4] ]`.parseList; + assertHeapStringListEquals(pieces, [`[1,2]`, `[3,4]`]); +} + +@("parseList parses two lists with string and char items") +unittest { + Lifecycle.instance.disableFailureHandling = false; + auto pieces = `[ ["1", "2"] , ['3', '4'] ]`.parseList; + assertHeapStringListEquals(pieces, [`["1", "2"]`, `['3', '4']`]); +} + +// Unit tests for cleanString +@("cleanString returns an empty string when the input is an empty string") +unittest { + Lifecycle.instance.disableFailureHandling = false; + "".cleanString.should.equal(""); +} + +@("cleanString returns the input value when it has one char") +unittest { + Lifecycle.instance.disableFailureHandling = false; + "'".cleanString.should.equal("'"); +} + +@("cleanString removes the double quote from start and end of the string") +unittest { + Lifecycle.instance.disableFailureHandling = false; + `""`.cleanString.should.equal(``); +} + +@("cleanString removes the single quote from start and end of the string") +unittest { + Lifecycle.instance.disableFailureHandling = false; + `''`.cleanString.should.equal(``); +} + +@("cleanString modifies empty HeapStringList without error") +unittest { + Lifecycle.instance.disableFailureHandling = false; + HeapStringList empty; + cleanString(empty); + assert(empty.length == 0, "empty list should remain empty"); +} + +@("cleanString removes double quotes from HeapStringList elements") +unittest { + Lifecycle.instance.disableFailureHandling = false; + auto pieces = parseList(`["1", "2"]`); + cleanString(pieces); + assert(pieces.length == 2, "should have 2 elements"); + assert(pieces[0][] == "1", "first element should be '1' without quotes"); + assert(pieces[1][] == "2", "second element should be '2' without quotes"); +} diff --git a/source/fluentasserts/results/serializers/typenames.d b/source/fluentasserts/results/serializers/typenames.d new file mode 100644 index 00000000..09c60d5b --- /dev/null +++ b/source/fluentasserts/results/serializers/typenames.d @@ -0,0 +1,66 @@ +/// Type name extraction and formatting functions. +module fluentasserts.results.serializers.typenames; + +import std.array; +import std.traits; + +/// Returns the unqualified type name for an array type. +/// Appends "[]" to the element type name. +string unqualString(T: U[], U)() pure @safe if(isArray!T && !isSomeString!T) { + Appender!string result; + result.put(unqualString!U); + result.put("[]"); + return result[]; +} + +/// Returns the unqualified type name for an associative array type. +/// Formats as "ValueType[KeyType]". +string unqualString(T: V[K], V, K)() pure @safe if(isAssociativeArray!T) { + Appender!string result; + result.put(unqualString!V); + result.put("["); + result.put(unqualString!K); + result.put("]"); + return result[]; +} + +/// Returns the unqualified type name for a non-array type. +/// Uses fully qualified names for classes, structs, and interfaces. +string unqualString(T)() pure @safe if(isScalarOrStringType!T) { + static if(is(T == class) || is(T == struct) || is(T == interface)) { + return fullyQualifiedName!(Unqual!(T)); + } else { + return Unqual!T.stringof; + } +} + +/// Joins the type names of a class hierarchy. +/// Includes base classes and implemented interfaces. +string joinClassTypes(T)() pure @safe { + Appender!string result; + + static if(is(T == class)) { + static foreach(Type; BaseClassesTuple!T) { + result.put(Type.stringof); + } + } + + static if(is(T == interface) || is(T == class)) { + static foreach(Type; InterfacesTuple!T) { + if(result[].length > 0) result.put(":"); + result.put(Type.stringof); + } + } + + static if(!is(T == interface) && !is(T == class)) { + result.put(Unqual!T.stringof); + } + + return result[]; +} + +// Helper template to check if a type is scalar or string +private template isScalarOrStringType(T) { + import fluentasserts.core.evaluation.constraints : isScalarOrString; + enum bool isScalarOrStringType = isScalarOrString!T; +} diff --git a/source/fluentasserts/results/source/package.d b/source/fluentasserts/results/source/package.d new file mode 100644 index 00000000..868904e7 --- /dev/null +++ b/source/fluentasserts/results/source/package.d @@ -0,0 +1,225 @@ +/// Source code analysis and token parsing for fluent-asserts. +/// Provides functionality to extract and display source code context for assertion failures. +module fluentasserts.results.source; + +import std.stdio; +import std.file; +import std.algorithm; +import std.conv; +import std.range; +import std.string; + +import dparse.lexer; + +import fluentasserts.results.message; +import fluentasserts.results.printer : ResultPrinter; + +// Re-export submodule functionality +public import fluentasserts.results.source.pathcleaner; +public import fluentasserts.results.source.tokens; +public import fluentasserts.results.source.scopes; + +@safe: + +// Thread-local cache to avoid races when running tests in parallel. +// Module-level static variables in D are TLS by default. +private const(Token)[][string] fileTokensCache; + +/// Source code location and token-based source retrieval. +/// Provides methods to extract and format source code context for assertion failures. +/// Uses lazy initialization to avoid expensive source parsing until actually needed. +struct SourceResult { + /// The source file path + string file; + + /// The line number in the source file + size_t line; + + /// Internal storage for tokens (lazy-loaded) + private const(Token)[] _tokens; + private bool _tokensLoaded; + + /// Tokens representing the relevant source code (lazy-loaded) + const(Token)[] tokens() nothrow @trusted { + ensureTokensLoaded(); + return _tokens; + } + + /// Creates a SourceResult with lazy token loading. + /// Parsing is deferred until tokens are actually accessed. + static SourceResult create(string fileName, size_t line) nothrow @trusted { + SourceResult data; + auto cleanedPath = fileName.cleanMixinPath; + data.file = cleanedPath; + data.line = line; + data._tokensLoaded = false; + return data; + } + + /// Loads tokens if not already loaded (lazy initialization) + private void ensureTokensLoaded() nothrow @trusted { + if (_tokensLoaded) { + return; + } + + _tokensLoaded = true; + + string pathToUse = file.exists ? file : file; + + if (!pathToUse.exists) { + return; + } + + try { + updateFileTokens(pathToUse); + auto result = getScope(fileTokensCache[pathToUse], line); + + auto begin = getPreviousIdentifier(fileTokensCache[pathToUse], result.begin); + begin = extendToLineStart(fileTokensCache[pathToUse], begin); + auto end = getFunctionEnd(fileTokensCache[pathToUse], begin) + 1; + + _tokens = fileTokensCache[pathToUse][begin .. end]; + } catch (Throwable t) { + } + } + + /// Updates the token cache for a file if not already cached. + static void updateFileTokens(string fileName) { + if (fileName !in fileTokensCache) { + fileTokensCache[fileName] = []; + splitMultilinetokens(fileToDTokens(fileName), fileTokensCache[fileName]); + } + } + + /// Extracts the value expression from the source tokens. + /// Returns: The value expression as a string + string getValue() { + auto toks = tokens; + size_t begin; + size_t end = getShouldIndex(toks, line); + + if (end != 0) { + begin = toks.getPreviousIdentifier(end - 1); + return toks[begin .. end - 1].tokensToString.strip; + } + + auto beginAssert = getAssertIndex(toks, line); + + if (beginAssert > 0) { + begin = beginAssert + 4; + end = getParameter(toks, begin); + return toks[begin .. end].tokensToString.strip; + } + + return ""; + } + + /// Converts the source result to a string representation. + string toString() nothrow { + auto separator = leftJustify("", 20, '-'); + string result = "\n" ~ separator ~ "\n" ~ file ~ ":" ~ line.to!string ~ "\n" ~ separator; + + auto toks = tokens; + + if (toks.length == 0) { + return result ~ "\n"; + } + + size_t currentLine = toks[0].line - 1; + size_t column = 1; + bool afterErrorLine = false; + + foreach (token; toks.filter!(token => token != tok!"whitespace")) { + string prefix = ""; + + foreach (lineNumber; currentLine .. token.line) { + if (lineNumber < line - 1 || afterErrorLine) { + prefix ~= "\n" ~ rightJustify((lineNumber + 1).to!string, 6, ' ') ~ ": "; + } else { + prefix ~= "\n>" ~ rightJustify((lineNumber + 1).to!string, 5, ' ') ~ ": "; + } + } + + if (token.line != currentLine) { + column = 1; + } + + if (token.column > column) { + prefix ~= ' '.repeat.take(token.column - column).array; + } + + auto stringRepresentation = token.text == "" ? str(token.type) : token.text; + auto lines = stringRepresentation.split("\n"); + + result ~= prefix ~ lines[0]; + currentLine = token.line; + column = token.column + stringRepresentation.length; + + if (token.line >= line && str(token.type) == ";") { + afterErrorLine = true; + } + } + + return result; + } + + /// Converts the source result to an array of messages. + immutable(Message)[] toMessages() nothrow { + return [Message(Message.Type.info, toString())]; + } + + /// Prints the source result using the provided printer. + void print(ResultPrinter printer) @safe nothrow { + auto toks = tokens; + + if (toks.length == 0) { + return; + } + + printer.primary("\n"); + printer.info(file ~ ":" ~ line.to!string); + + size_t currentLine = toks[0].line - 1; + size_t column = 1; + bool afterErrorLine = false; + + foreach (token; toks.filter!(token => token != tok!"whitespace")) { + foreach (lineNumber; currentLine .. token.line) { + printer.primary("\n"); + + if (lineNumber < line - 1 || afterErrorLine) { + printer.primary(rightJustify((lineNumber + 1).to!string, 6, ' ') ~ ":"); + } else { + printer.dangerReverse(">" ~ rightJustify((lineNumber + 1).to!string, 5, ' ') ~ ":"); + } + } + + if (token.line != currentLine) { + column = 1; + } + + if (token.column > column) { + printer.primary(' '.repeat.take(token.column - column).array); + } + + auto stringRepresentation = token.text == "" ? str(token.type) : token.text; + + if (token.text == "" && str(token.type) != "whitespace") { + printer.info(str(token.type)); + } else if (str(token.type).indexOf("Literal") != -1) { + printer.success(token.text); + } else { + printer.primary(token.text); + } + + currentLine = token.line; + column = token.column + stringRepresentation.length; + + if (token.line >= line && str(token.type) == ";") { + afterErrorLine = true; + } + } + + printer.primary("\n"); + } +} diff --git a/source/fluentasserts/results/source/pathcleaner.d b/source/fluentasserts/results/source/pathcleaner.d new file mode 100644 index 00000000..1b639c3f --- /dev/null +++ b/source/fluentasserts/results/source/pathcleaner.d @@ -0,0 +1,82 @@ +/// Path cleaning for mixin-generated files. +module fluentasserts.results.source.pathcleaner; + +@safe: + +/// Cleans up mixin paths by removing the `-mixin-N` suffix. +/// When D uses string mixins, __FILE__ produces paths like `file.d-mixin-113` +/// instead of `file.d`. This function returns the actual file path. +/// Params: +/// path = The file path, possibly with mixin suffix +/// Returns: The cleaned path with `.d` extension, or original path if not a mixin path +string cleanMixinPath(string path) pure nothrow @nogc { + // Look for pattern: .d-mixin-N at the end + enum suffix = ".d-mixin-"; + + // Find the last occurrence of ".d-mixin-" + size_t suffixPos = size_t.max; + if (path.length > suffix.length) { + foreach_reverse (i; 0 .. path.length - suffix.length + 1) { + bool match = true; + foreach (j; 0 .. suffix.length) { + if (path[i + j] != suffix[j]) { + match = false; + break; + } + } + if (match) { + suffixPos = i; + break; + } + } + } + + if (suffixPos == size_t.max) { + return path; + } + + // Verify the rest is digits (valid line number) + size_t numStart = suffixPos + suffix.length; + foreach (i; numStart .. path.length) { + char c = path[i]; + if (c < '0' || c > '9') { + return path; + } + } + + if (numStart >= path.length) { + return path; + } + + // Return cleaned path (up to and including .d) + return path[0 .. suffixPos + 2]; +} + +version(unittest) { + import fluent.asserts; +} + +@("cleanMixinPath returns original path for regular .d file") +unittest { + cleanMixinPath("source/test.d").should.equal("source/test.d"); +} + +@("cleanMixinPath removes mixin suffix from path") +unittest { + cleanMixinPath("source/test.d-mixin-113").should.equal("source/test.d"); +} + +@("cleanMixinPath handles paths with multiple dots") +unittest { + cleanMixinPath("source/my.module.test.d-mixin-55").should.equal("source/my.module.test.d"); +} + +@("cleanMixinPath returns original for invalid mixin suffix with letters") +unittest { + cleanMixinPath("source/test.d-mixin-abc").should.equal("source/test.d-mixin-abc"); +} + +@("cleanMixinPath returns original for empty line number") +unittest { + cleanMixinPath("source/test.d-mixin-").should.equal("source/test.d-mixin-"); +} diff --git a/source/fluentasserts/results/source/result.d b/source/fluentasserts/results/source/result.d new file mode 100644 index 00000000..59d7fc82 --- /dev/null +++ b/source/fluentasserts/results/source/result.d @@ -0,0 +1,228 @@ +/// Source code context extraction for assertion failures. +module fluentasserts.results.source.result; + +import std.stdio; +import std.file; +import std.algorithm; +import std.conv; +import std.range; +import std.string; + +import dparse.lexer; + +import fluentasserts.results.message; +import fluentasserts.results.printer : ResultPrinter; +import fluentasserts.results.source.pathcleaner; +import fluentasserts.results.source.tokens; +import fluentasserts.results.source.scopes; + +@safe: + +// Thread-local cache to avoid races when running tests in parallel. +// Module-level static variables in D are TLS by default. +private const(Token)[][string] fileTokensCache; + +/// Source code location and token-based source retrieval. +/// Provides methods to extract and format source code context for assertion failures. +/// Uses lazy initialization to avoid expensive source parsing until actually needed. +struct SourceResult { + /// The source file path + string file; + + /// The line number in the source file + size_t line; + + /// Internal storage for tokens (lazy-loaded) + private const(Token)[] _tokens; + private bool _tokensLoaded; + + /// Tokens representing the relevant source code (lazy-loaded) + const(Token)[] tokens() nothrow @trusted { + ensureTokensLoaded(); + return _tokens; + } + + /// Creates a SourceResult with lazy token loading. + /// Parsing is deferred until tokens are actually accessed. + static SourceResult create(string fileName, size_t line) nothrow @trusted { + SourceResult data; + auto cleanedPath = fileName.cleanMixinPath; + data.file = cleanedPath; + data.line = line; + data._tokensLoaded = false; + return data; + } + + /// Loads tokens if not already loaded (lazy initialization) + private void ensureTokensLoaded() nothrow @trusted { + if (_tokensLoaded) { + return; + } + + _tokensLoaded = true; + + string pathToUse = file.exists ? file : file; + + if (!pathToUse.exists) { + return; + } + + try { + updateFileTokens(pathToUse); + auto result = getScope(fileTokensCache[pathToUse], line); + + auto begin = getPreviousIdentifier(fileTokensCache[pathToUse], result.begin); + begin = extendToLineStart(fileTokensCache[pathToUse], begin); + auto end = getFunctionEnd(fileTokensCache[pathToUse], begin) + 1; + + _tokens = fileTokensCache[pathToUse][begin .. end]; + } catch (Throwable t) { + } + } + + /// Updates the token cache for a file if not already cached. + static void updateFileTokens(string fileName) { + if (fileName !in fileTokensCache) { + fileTokensCache[fileName] = []; + splitMultilinetokens(fileToDTokens(fileName), fileTokensCache[fileName]); + } + } + + /// Extracts the value expression from the source tokens. + /// Returns: The value expression as a string + string getValue() { + auto toks = tokens; + size_t begin; + size_t end = getShouldIndex(toks, line); + + if (end != 0) { + begin = toks.getPreviousIdentifier(end - 1); + return toks[begin .. end - 1].tokensToString.strip; + } + + auto beginAssert = getAssertIndex(toks, line); + + if (beginAssert > 0) { + // Issue #95: Find the opening parenthesis after Assert.operation + // This handles cases with extra whitespace like "Assert. lessThan(" + begin = findOpenParen(toks, beginAssert); + if (begin == 0 || begin >= toks.length) { + return ""; + } + begin++; // Skip past the '(' + end = getParameter(toks, begin); + return toks[begin .. end].tokensToString.strip; + } + + return ""; + } + + /// Converts the source result to a string representation. + string toString() nothrow { + auto separator = leftJustify("", 20, '-'); + string result = "\n" ~ separator ~ "\n" ~ file ~ ":" ~ line.to!string ~ "\n" ~ separator; + + auto toks = tokens; + + if (toks.length == 0) { + return result ~ "\n"; + } + + size_t currentLine = toks[0].line - 1; + size_t column = 1; + bool afterErrorLine = false; + + foreach (token; toks.filter!(token => token != tok!"whitespace")) { + string prefix = ""; + + foreach (lineNumber; currentLine .. token.line) { + if (lineNumber < line - 1 || afterErrorLine) { + prefix ~= "\n" ~ rightJustify((lineNumber + 1).to!string, 6, ' ') ~ ": "; + } else { + prefix ~= "\n>" ~ rightJustify((lineNumber + 1).to!string, 5, ' ') ~ ": "; + } + } + + if (token.line != currentLine) { + column = 1; + } + + if (token.column > column) { + prefix ~= ' '.repeat.take(token.column - column).array; + } + + auto stringRepresentation = token.text == "" ? str(token.type) : token.text; + auto lines = stringRepresentation.split("\n"); + + result ~= prefix ~ lines[0]; + currentLine = token.line; + column = token.column + stringRepresentation.length; + + if (token.line >= line && str(token.type) == ";") { + afterErrorLine = true; + } + } + + return result; + } + + /// Converts the source result to an array of messages. + immutable(Message)[] toMessages() nothrow { + return [Message(Message.Type.info, toString())]; + } + + /// Prints the source result using the provided printer. + void print(ResultPrinter printer) @safe nothrow { + auto toks = tokens; + + if (toks.length == 0) { + return; + } + + printer.primary("\n"); + printer.info(file ~ ":" ~ line.to!string); + + size_t currentLine = toks[0].line - 1; + size_t column = 1; + bool afterErrorLine = false; + + foreach (token; toks.filter!(token => token != tok!"whitespace")) { + foreach (lineNumber; currentLine .. token.line) { + printer.primary("\n"); + + if (lineNumber < line - 1 || afterErrorLine) { + printer.primary(rightJustify((lineNumber + 1).to!string, 6, ' ') ~ ":"); + } else { + printer.dangerReverse(">" ~ rightJustify((lineNumber + 1).to!string, 5, ' ') ~ ":"); + } + } + + if (token.line != currentLine) { + column = 1; + } + + if (token.column > column) { + printer.primary(' '.repeat.take(token.column - column).array); + } + + auto stringRepresentation = token.text == "" ? str(token.type) : token.text; + + if (token.text == "" && str(token.type) != "whitespace") { + printer.info(str(token.type)); + } else if (str(token.type).indexOf("Literal") != -1) { + printer.success(token.text); + } else { + printer.primary(token.text); + } + + currentLine = token.line; + column = token.column + stringRepresentation.length; + + if (token.line >= line && str(token.type) == ";") { + afterErrorLine = true; + } + } + + printer.primary("\n"); + } +} diff --git a/source/fluentasserts/results/source/scopes.d b/source/fluentasserts/results/source/scopes.d new file mode 100644 index 00000000..40f51784 --- /dev/null +++ b/source/fluentasserts/results/source/scopes.d @@ -0,0 +1,114 @@ +/// Scope analysis for finding code boundaries in token streams. +module fluentasserts.results.source.scopes; + +import std.typecons; +import std.string; +import dparse.lexer; + +@safe: + +/// Finds the scope boundaries containing a specific line. +auto getScope(const(Token)[] tokens, size_t line) nothrow { + bool foundScope; + bool foundAssert; + size_t beginToken; + size_t endToken = tokens.length; + + int paranthesisCount = 0; + int scopeLevel; + size_t[size_t] paranthesisLevels; + + foreach (i, token; tokens) { + string type = str(token.type); + + if (type == "{") { + paranthesisLevels[paranthesisCount] = i; + paranthesisCount++; + } + + if (type == "}") { + paranthesisCount--; + } + + if (line == token.line) { + foundScope = true; + } + + if (foundScope) { + if (token.text == "should" || token.text == "Assert" || type == "assert" || type == ";") { + foundAssert = true; + scopeLevel = paranthesisCount; + } + + if (type == "}" && paranthesisCount <= scopeLevel) { + beginToken = paranthesisLevels[paranthesisCount]; + endToken = i + 1; + + break; + } + } + } + + return const Tuple!(size_t, "begin", size_t, "end")(beginToken, endToken); +} + +version(unittest) { + import fluent.asserts; + import fluentasserts.results.source.tokens; +} + +@("getScope returns the spec function and scope that contains a lambda") +unittest { + const(Token)[] tokens = []; + splitMultilinetokens(fileToDTokens("testdata/values.d"), tokens); + + auto result = getScope(tokens, 101); + auto identifierStart = getPreviousIdentifier(tokens, result.begin); + + tokens[identifierStart .. result.end].tokensToString.strip.should.equal("it(\"should throw an exception if we request 2 android devices\", { + ({ + auto result = [ device1.idup, device2.idup ].filterBy(RunOptions(\"\", \"android\", 2)).array; + }).should.throwException!DeviceException.withMessage.equal(\"You requested 2 `androdid` devices, but there is only 1 healthy.\"); + }"); +} + +@("getScope returns a method scope and signature") +unittest { + const(Token)[] tokens = []; + splitMultilinetokens(fileToDTokens("testdata/class.d"), tokens); + + auto result = getScope(tokens, 10); + auto identifierStart = getPreviousIdentifier(tokens, result.begin); + + tokens[identifierStart .. result.end].tokensToString.strip.should.equal("void bar() { + assert(false); + }"); +} + +@("getScope returns a method scope without assert") +unittest { + const(Token)[] tokens = []; + splitMultilinetokens(fileToDTokens("testdata/class.d"), tokens); + + auto result = getScope(tokens, 14); + auto identifierStart = getPreviousIdentifier(tokens, result.begin); + + tokens[identifierStart .. result.end].tokensToString.strip.should.equal("void bar2() { + enforce(false); + }"); +} + +@("getScope returns tokens from a scope that contains a lambda") +unittest { + const(Token)[] tokens = []; + splitMultilinetokens(fileToDTokens("testdata/values.d"), tokens); + + auto result = getScope(tokens, 81); + + tokens[result.begin .. result.end].tokensToString.strip.should.equal(`{ + ({ + ({ }).should.beNull; + }).should.throwException!TestException.msg; + +}`); +} diff --git a/source/fluentasserts/results/source/tokens.d b/source/fluentasserts/results/source/tokens.d new file mode 100644 index 00000000..6c9744f3 --- /dev/null +++ b/source/fluentasserts/results/source/tokens.d @@ -0,0 +1,475 @@ +/// Token parsing and manipulation functions. +module fluentasserts.results.source.tokens; + +import std.stdio; +import std.file; +import std.algorithm; +import std.conv; +import std.range; +import std.string; +import std.array; + +import dparse.lexer; + +@safe: + +/// Converts an array of tokens to a string representation. +string tokensToString(const(Token)[] tokens) { + string result; + + foreach (token; tokens.filter!(a => str(a.type) != "comment")) { + if (str(token.type) == "whitespace" && token.text == "") { + result ~= "\n"; + } else { + result ~= token.text == "" ? str(token.type) : token.text; + } + } + + return result; +} + +/// Extends a token index backwards to include all tokens from the start of the line. +/// Params: +/// tokens = The token array +/// index = The starting index +/// Returns: The index of the first token on the same line +size_t extendToLineStart(const(Token)[] tokens, size_t index) nothrow @nogc { + if (index == 0 || index >= tokens.length) { + return index; + } + + auto targetLine = tokens[index].line; + while (index > 0 && tokens[index - 1].line == targetLine) { + index--; + } + return index; +} + +/// Finds the end of a function starting at a given token index. +size_t getFunctionEnd(const(Token)[] tokens, size_t start) { + int paranthesisCount; + size_t result = start; + + foreach (i, token; tokens[start .. $]) { + string type = str(token.type); + + if (type == "(") { + paranthesisCount++; + } + + if (type == ")") { + paranthesisCount--; + } + + if (type == "{" && paranthesisCount == 0) { + result = start + i; + break; + } + + if (type == ";" && paranthesisCount == 0) { + return start + i; + } + } + + paranthesisCount = 0; + + foreach (i, token; tokens[result .. $]) { + string type = str(token.type); + + if (type == "{") { + paranthesisCount++; + } + + if (type == "}") { + paranthesisCount--; + + if (paranthesisCount == 0) { + result = result + i; + break; + } + } + } + + return result; +} + +/// Finds the previous identifier token before a given index. +size_t getPreviousIdentifier(const(Token)[] tokens, size_t startIndex) { + import std.exception : enforce; + + enforce(startIndex > 0); + enforce(startIndex < tokens.length); + + int paranthesisCount; + bool foundIdentifier; + + foreach (i; 0 .. startIndex) { + auto index = startIndex - i - 1; + auto type = str(tokens[index].type); + + if (type == "(") { + paranthesisCount--; + } + + if (type == ")") { + paranthesisCount++; + } + + if (paranthesisCount < 0) { + return getPreviousIdentifier(tokens, index - 1); + } + + if (paranthesisCount != 0) { + continue; + } + + if (type == "unittest") { + return index; + } + + if (type == "{" || type == "}") { + return index + 1; + } + + if (type == ";") { + return index + 1; + } + + if (type == "=") { + return index + 1; + } + + if (type == ".") { + foundIdentifier = false; + } + + if (type == "identifier" && foundIdentifier) { + foundIdentifier = true; + continue; + } + + if (foundIdentifier) { + return index; + } + } + + return 0; +} + +/// Finds the index of an Assert structure in the tokens. +size_t getAssertIndex(const(Token)[] tokens, size_t startLine) { + auto assertTokens = tokens + .enumerate + .filter!(a => a[1].text == "Assert") + .filter!(a => a[1].line <= startLine) + .array; + + if (assertTokens.length == 0) { + return 0; + } + + return assertTokens[assertTokens.length - 1].index; +} + +/// Finds the index of the first opening parenthesis after a given start index. +/// Skips whitespace and other tokens to find the '('. +/// Issue #95: Handles extra whitespace in Assert. lessThan(...) style calls. +size_t findOpenParen(const(Token)[] tokens, size_t startIndex) { + foreach (i; startIndex .. tokens.length) { + if (str(tokens[i].type) == "(") { + return i; + } + } + return 0; +} + +/// Gets the end index of a parameter in the token list. +auto getParameter(const(Token)[] tokens, size_t startToken) { + size_t paranthesisCount; + + foreach (i; startToken .. tokens.length) { + string type = str(tokens[i].type); + + if (type == "(" || type == "[") { + paranthesisCount++; + } + + if (type == ")" || type == "]") { + if (paranthesisCount == 0) { + return i; + } + + paranthesisCount--; + } + + if (paranthesisCount > 0) { + continue; + } + + if (type == ",") { + return i; + } + } + + return 0; +} + +/// Finds the index of the should call in the tokens. +size_t getShouldIndex(const(Token)[] tokens, size_t startLine) { + auto shouldTokens = tokens + .enumerate + .filter!(a => a[1].text == "should") + .filter!(a => a[1].line <= startLine) + .array; + + if (shouldTokens.length == 0) { + return 0; + } + + return shouldTokens[shouldTokens.length - 1].index; +} + +/// Converts a file to D tokens provided by libDParse. +const(Token)[] fileToDTokens(string fileName) nothrow @trusted { + try { + auto f = File(fileName); + immutable auto fileSize = f.size(); + ubyte[] fileBytes = new ubyte[](fileSize.to!size_t); + + if (f.rawRead(fileBytes).length != fileSize) { + return []; + } + + StringCache cache = StringCache(StringCache.defaultBucketCount); + + LexerConfig config; + config.stringBehavior = StringBehavior.source; + config.fileName = fileName; + config.commentBehavior = CommentBehavior.intern; + + auto lexer = DLexer(fileBytes, config, &cache); + const(Token)[] tokens = lexer.array; + + return tokens.map!(token => const Token(token.type, token.text.idup, token.line, token.column, token.index)).array; + } catch (Throwable) { + return []; + } +} + +/// Splits multiline tokens into multiple single line tokens with the same type. +void splitMultilinetokens(const(Token)[] tokens, ref const(Token)[] result) nothrow @trusted { + try { + foreach (token; tokens) { + auto pieces = token.text.idup.split("\n"); + + if (pieces.length <= 1) { + result ~= const Token(token.type, token.text.dup, token.line, token.column, token.index); + } else { + size_t line = token.line; + size_t column = token.column; + + foreach (textPiece; pieces) { + result ~= const Token(token.type, textPiece, line, column, token.index); + line++; + column = 1; + } + } + } + } catch (Throwable) { + } +} + +version(unittest) { + import fluent.asserts; +} + +@("extendToLineStart returns same index for first token") +unittest { + const(Token)[] tokens = []; + splitMultilinetokens(fileToDTokens("testdata/values.d"), tokens); + extendToLineStart(tokens, 0).should.equal(0); +} + +@("extendToLineStart extends to start of line") +unittest { + const(Token)[] tokens = []; + splitMultilinetokens(fileToDTokens("testdata/values.d"), tokens); + size_t testIndex = 10; + auto result = extendToLineStart(tokens, testIndex); + result.should.be.lessThan(testIndex + 1); + if (result < testIndex) { + tokens[result].line.should.equal(tokens[testIndex].line); + } +} + +@("getPreviousIdentifier returns the previous unittest identifier from a list of tokens") +unittest { + import fluentasserts.results.source.scopes : getScope; + const(Token)[] tokens = []; + splitMultilinetokens(fileToDTokens("testdata/values.d"), tokens); + + auto scopeResult = getScope(tokens, 81); + auto result = getPreviousIdentifier(tokens, scopeResult.begin); + + tokens[result .. scopeResult.begin].tokensToString.strip.should.equal(`unittest`); +} + +@("getPreviousIdentifier returns the previous paranthesis identifier from a list of tokens") +unittest { + import fluentasserts.results.source.scopes : getScope; + const(Token)[] tokens = []; + splitMultilinetokens(fileToDTokens("testdata/values.d"), tokens); + + auto scopeResult = getScope(tokens, 63); + auto end = scopeResult.end - 11; + auto result = getPreviousIdentifier(tokens, end); + + tokens[result .. end].tokensToString.strip.should.equal(`(5, (11))`); +} + +@("getPreviousIdentifier returns the previous function call identifier from a list of tokens") +unittest { + import fluentasserts.results.source.scopes : getScope; + const(Token)[] tokens = []; + splitMultilinetokens(fileToDTokens("testdata/values.d"), tokens); + + auto scopeResult = getScope(tokens, 75); + auto end = scopeResult.end - 11; + auto result = getPreviousIdentifier(tokens, end); + + tokens[result .. end].tokensToString.strip.should.equal(`found(4)`); +} + +@("getPreviousIdentifier returns the previous map identifier from a list of tokens") +unittest { + import fluentasserts.results.source.scopes : getScope; + const(Token)[] tokens = []; + splitMultilinetokens(fileToDTokens("testdata/values.d"), tokens); + + auto scopeResult = getScope(tokens, 85); + auto end = scopeResult.end - 12; + auto result = getPreviousIdentifier(tokens, end); + + tokens[result .. end].tokensToString.strip.should.equal(`[1, 2, 3].map!"a"`); +} + +@("getAssertIndex returns the index of the Assert structure identifier from a list of tokens") +unittest { + const(Token)[] tokens = []; + splitMultilinetokens(fileToDTokens("testdata/values.d"), tokens); + + auto result = getAssertIndex(tokens, 55); + + tokens[result .. result + 4].tokensToString.strip.should.equal(`Assert.equal(`); +} + +@("getParameter returns the first parameter from a list of tokens") +unittest { + const(Token)[] tokens = []; + splitMultilinetokens(fileToDTokens("testdata/values.d"), tokens); + + auto begin = getAssertIndex(tokens, 57) + 4; + auto end = getParameter(tokens, begin); + tokens[begin .. end].tokensToString.strip.should.equal(`(5, (11))`); +} + +@("getParameter returns the first list parameter from a list of tokens") +unittest { + const(Token)[] tokens = []; + splitMultilinetokens(fileToDTokens("testdata/values.d"), tokens); + + auto begin = getAssertIndex(tokens, 89) + 4; + auto end = getParameter(tokens, begin); + tokens[begin .. end].tokensToString.strip.should.equal(`[ new Value(1), new Value(2) ]`); +} + +@("getPreviousIdentifier returns the previous array identifier from a list of tokens") +unittest { + import fluentasserts.results.source.scopes : getScope; + const(Token)[] tokens = []; + splitMultilinetokens(fileToDTokens("testdata/values.d"), tokens); + + auto scopeResult = getScope(tokens, 4); + auto end = scopeResult.end - 13; + auto result = getPreviousIdentifier(tokens, end); + + tokens[result .. end].tokensToString.strip.should.equal(`[1, 2, 3]`); +} + +@("getPreviousIdentifier returns the previous array of instances identifier from a list of tokens") +unittest { + import fluentasserts.results.source.scopes : getScope; + const(Token)[] tokens = []; + splitMultilinetokens(fileToDTokens("testdata/values.d"), tokens); + + auto scopeResult = getScope(tokens, 90); + auto end = scopeResult.end - 16; + auto result = getPreviousIdentifier(tokens, end); + + tokens[result .. end].tokensToString.strip.should.equal(`[ new Value(1), new Value(2) ]`); +} + +@("getShouldIndex returns the index of the should call") +unittest { + const(Token)[] tokens = []; + splitMultilinetokens(fileToDTokens("testdata/values.d"), tokens); + + auto result = getShouldIndex(tokens, 4); + + auto token = tokens[result]; + token.line.should.equal(3); + token.text.should.equal(`should`); + str(token.type).text.should.equal(`identifier`); +} + +@("getFunctionEnd returns the end of a spec function with a lambda") +unittest { + import fluentasserts.results.source.scopes : getScope; + const(Token)[] tokens = []; + splitMultilinetokens(fileToDTokens("testdata/values.d"), tokens); + + auto result = getScope(tokens, 101); + auto identifierStart = getPreviousIdentifier(tokens, result.begin); + auto functionEnd = getFunctionEnd(tokens, identifierStart); + + tokens[identifierStart .. functionEnd].tokensToString.strip.should.equal("it(\"should throw an exception if we request 2 android devices\", { + ({ + auto result = [ device1.idup, device2.idup ].filterBy(RunOptions(\"\", \"android\", 2)).array; + }).should.throwException!DeviceException.withMessage.equal(\"You requested 2 `androdid` devices, but there is only 1 healthy.\"); + })"); +} + +@("getFunctionEnd returns the end of an unittest function with a lambda") +unittest { + import fluentasserts.results.source.scopes : getScope; + const(Token)[] tokens = []; + splitMultilinetokens(fileToDTokens("testdata/values.d"), tokens); + + auto result = getScope(tokens, 81); + auto identifierStart = getPreviousIdentifier(tokens, result.begin); + auto functionEnd = getFunctionEnd(tokens, identifierStart) + 1; + + tokens[identifierStart .. functionEnd].tokensToString.strip.should.equal("unittest { + ({ + ({ }).should.beNull; + }).should.throwException!TestException.msg; + +}"); +} + +// Issue #95: findOpenParen handles extra whitespace in Assert. lessThan(...) +@("findOpenParen finds parenthesis after whitespace tokens") +unittest { + // Simulate tokens for "Assert. lessThan(" with whitespace between . and lessThan + const(Token)[] tokens = []; + splitMultilinetokens(fileToDTokens("testdata/values.d"), tokens); + + // Test that findOpenParen can find '(' even when there are whitespace tokens before it + // The function should skip any non-'(' tokens until it finds the opening parenthesis + auto startIdx = 0; + auto result = findOpenParen(tokens, startIdx); + + // Just verify it doesn't crash and returns a valid index when searching from start + // The actual token stream may or may not have '(' at a specific position + assert(result == 0 || result < tokens.length, "findOpenParen should return valid index or 0"); +} diff --git a/source/updateDocs.d b/source/updateDocs.d index 9be3bcc5..2c46d1ef 100644 --- a/source/updateDocs.d +++ b/source/updateDocs.d @@ -1,6 +1,7 @@ module updateDocs; -import fluentasserts.core.operations.registry; +import fluentasserts.operations.registry; +import fluentasserts.core.lifecycle; import std.stdio; import std.file; import std.path; @@ -10,6 +11,7 @@ import std.string; @("updates the built in operations in readme.md file") unittest { + Lifecycle.instance.disableFailureHandling = false; auto content = readText("README.md").split("#"); foreach(ref section; content) { @@ -27,6 +29,7 @@ unittest { @("updates the operations md files") unittest { + Lifecycle.instance.disableFailureHandling = false; foreach(operation; Registry.instance.registeredOperations) { string content = "# The `" ~ operation ~ "` operation\n\n"; content ~= "[up](../README.md)\n\n"; diff --git a/test/example.txt b/test/example.txt deleted file mode 100644 index 865b2e14..00000000 --- a/test/example.txt +++ /dev/null @@ -1,18 +0,0 @@ -line 1 -line 2 -line 3 -line 4 -line 5 -line 6 -line 7 -line 8 -line 9 -line 10 -line 11 -line 12 -line 13 -line 14 -line 15 -line 16 -line 17 -line 18 diff --git a/test/operations/approximately.d b/test/operations/approximately.d deleted file mode 100644 index 9be618d0..00000000 --- a/test/operations/approximately.d +++ /dev/null @@ -1,125 +0,0 @@ -module test.operations.approximately; - -import fluentasserts.core.expect; -import fluent.asserts; - -import trial.discovery.spec; - -import std.string; -import std.conv; -import std.meta; -import std.algorithm; -import std.range; - -alias s = Spec!({ - alias IntTypes = AliasSeq!(byte, ubyte, short, ushort, int, uint, long, ulong); - - alias FPTypes = AliasSeq!(float, double, real); - - static foreach(Type; FPTypes) { - describe("using floats casted to " ~ Type.stringof, { - Type testValue; - - before({ - testValue = cast(Type) 10f/3f; - }); - - it("should check for valid values", { - testValue.should.be.approximately(3, 0.34); - [testValue].should.be.approximately([3], 0.34); - }); - - it("should check for invalid values", { - testValue.should.not.be.approximately(3, 0.24); - [testValue].should.not.be.approximately([3], 0.24); - }); - - it("should not compare a string with a number", { - auto msg = ({ - "".should.be.approximately(3, 0.34); - }).should.throwSomething.msg; - - msg.split("\n")[0].should.equal("There are no matching assert operations. Register any of `string.int.approximately`, `*.*.approximately` to perform this assert."); - }); - }); - - describe("using " ~ Type.stringof ~ " values", { - Type testValue; - - before({ - testValue = cast(Type) 0.351; - }); - - it("should check approximately compare two numbers", { - expect(testValue).to.be.approximately(0.35, 0.01); - }); - - it("should check approximately with a delta of 0.00001", { - expect(testValue).to.not.be.approximately(0.35, 0.00001); - }); - - it("should check approximately with a delta of 0.001", { - expect(testValue).to.not.be.approximately(0.35, 0.001); - }); - - it("should show a detailed error message when two numbers should be approximately equal but they are not", { - auto msg = ({ - expect(testValue).to.be.approximately(0.35, 0.0001); - }).should.throwException!TestException.msg; - - msg.should.contain("Expected:0.35±0.0001"); - msg.should.contain("Actual:0.351"); - msg.should.not.contain("Missing:"); - }); - - it("should show a detailed error message when two numbers are approximately equal but they should not", { - auto msg = ({ - expect(testValue).to.not.be.approximately(testValue, 0.0001); - }).should.throwException!TestException.msg; - - msg.should.contain("Expected:not " ~ testValue.to!string ~ "±0.0001"); - }); - }); - - describe("using " ~ Type.stringof ~ " lists", { - Type[] testValues; - - before({ - testValues = [cast(Type) 0.350, cast(Type) 0.501, cast(Type) 0.341]; - }); - - it("should approximately compare two lists", { - expect(testValues).to.be.approximately([0.35, 0.50, 0.34], 0.01); - }); - - it("should approximately with a range of 0.00001 compare two lists that are not equal", { - expect(testValues).to.not.be.approximately([0.35, 0.50, 0.34], 0.00001); - }); - - it("should approximately with a range of 0.001 compare two lists that are not equal", { - expect(testValues).to.not.be.approximately([0.35, 0.50, 0.34], 0.0001); - }); - - it("should approximately with a range of 0.001 compare two lists with different lengths", { - expect(testValues).to.not.be.approximately([0.35, 0.50], 0.001); - }); - - it("should show a detailed error message when two lists should be approximately equal but they are not", { - auto msg = ({ - expect(testValues).to.be.approximately([0.35, 0.50, 0.34], 0.0001); - }).should.throwException!TestException.msg; - - msg.should.contain("Expected:[0.35±0.0001, 0.5±0.0001, 0.34±0.0001]"); - msg.should.contain("Missing:[0.501±0.0001, 0.341±0.0001]"); - }); - - it("should show a detailed error message when two lists are approximately equal but they should not", { - auto msg = ({ - expect(testValues).to.not.be.approximately(testValues, 0.0001); - }).should.throwException!TestException.msg; - - msg.should.contain("Expected:not [0.35±0.0001, 0.501±0.0001, 0.341±0.0001]"); - }); - }); - } -}); diff --git a/test/operations/arrayContain.d b/test/operations/arrayContain.d deleted file mode 100644 index 1d75557c..00000000 --- a/test/operations/arrayContain.d +++ /dev/null @@ -1,178 +0,0 @@ -module test.operations.arrayContain; - -import fluentasserts.core.expect; -import fluentasserts.core.serializers; -import fluent.asserts; - -import trial.discovery.spec; - -import std.string; -import std.conv; -import std.meta; -import std.algorithm; -import std.range; - -alias s = Spec!({ - alias NumericTypes = AliasSeq!(byte, ubyte, short, ushort, int, uint, long, ulong, float, double, real /*, ifloat, idouble, ireal, cfloat, cdouble, creal*/); - static foreach(Type; NumericTypes) { - describe("using a range of " ~ Type.stringof, { - Type[] testValues; - Type[] someTestValues; - Type[] otherTestValues; - - static if(is(ifloat == Type) || is(idouble == Type) || is(ireal == Type)) { - before({ - testValues = [ 40i, 41i, 42i]; - someTestValues = [ 42i, 41i]; - otherTestValues = [ 50i, 51i, 52i ]; - }); - } else { - before({ - testValues = [ cast(Type) 40, cast(Type) 41, cast(Type) 42 ]; - someTestValues = [ cast(Type) 42, cast(Type) 41 ]; - otherTestValues = [ cast(Type) 50, cast(Type) 51 ]; - }); - } - - it("should find two values in a list", { - expect(testValues.map!"a").to.contain(someTestValues); - }); - - it("should find a value in a list", { - expect(testValues.map!"a").to.contain(someTestValues[0]); - }); - - it("should find other values in a list", { - expect(testValues.map!"a").to.not.contain(otherTestValues); - }); - - it("should find other value in a list", { - expect(testValues.map!"a").to.not.contain(otherTestValues[0]); - }); - - it("should show a detailed error message when the list does not contain 2 values", { - auto msg = ({ - expect(testValues.map!"a").to.contain([4, 5]); - }).should.throwException!TestException.msg; - - msg.split('\n')[0].should.equal(testValues.to!string ~ " should contain [4, 5]. [4, 5] are missing from " ~ testValues.to!string ~ "."); - msg.split('\n')[2].strip.should.equal("Expected:to contain all [4, 5]"); - msg.split('\n')[3].strip.should.equal("Actual:" ~ testValues.to!string); - }); - - it("should show a detailed error message when the list does not contain 2 values", { - auto msg = ({ - expect(testValues.map!"a").to.not.contain(testValues[0..2]); - }).should.throwException!TestException.msg; - - msg.split('\n')[0].should.equal(testValues.to!string ~ " should not contain " ~ testValues[0..2].to!string ~ ". " ~ testValues[0..2].to!string ~ " are present in " ~ testValues.to!string ~ "."); - msg.split('\n')[2].strip.should.equal("Expected:to not contain any " ~ testValues[0..2].to!string); - msg.split('\n')[3].strip.should.equal("Actual:" ~ testValues.to!string); - }); - - it("should show a detailed error message when the list does not contain a value", { - auto msg = ({ - expect(testValues.map!"a").to.contain(otherTestValues[0]); - }).should.throwException!TestException.msg; - - msg.split('\n')[0].should.equal(testValues.to!string ~ " should contain " ~ otherTestValues[0].to!string ~ ". " ~ otherTestValues[0].to!string ~ " is missing from " ~ testValues.to!string ~ "."); - msg.split('\n')[2].strip.should.equal("Expected:to contain " ~ otherTestValues[0].to!string); - msg.split('\n')[3].strip.should.equal("Actual:" ~ testValues.to!string); - }); - - it("should show a detailed error message when the list does contains a value", { - auto msg = ({ - expect(testValues.map!"a").to.not.contain(testValues[0]); - }).should.throwException!TestException.msg; - - msg.split('\n')[0].should.equal(testValues.to!string ~ " should not contain " ~ testValues[0].to!string ~ ". " ~ testValues[0].to!string ~ " is present in " ~ testValues.to!string ~ "."); - msg.split('\n')[2].strip.should.equal("Expected:to not contain " ~ testValues[0].to!string); - msg.split('\n')[3].strip.should.equal("Actual:" ~ testValues.to!string); - }); - }); - } - - describe("using a range of Objects", { - Thing[] testValues; - Thing[] someTestValues; - Thing[] otherTestValues; - - string strTestValues; - string strSomeTestValues; - string strOtherTestValues; - - before({ - testValues = [ new Thing(40), new Thing(41), new Thing(42) ]; - someTestValues = [ new Thing(42), new Thing(41) ]; - otherTestValues = [ new Thing(50), new Thing(51) ]; - - strTestValues = SerializerRegistry.instance.niceValue(testValues); - strSomeTestValues = SerializerRegistry.instance.niceValue(someTestValues); - strOtherTestValues = SerializerRegistry.instance.niceValue(strOtherTestValues); - }); - - it("should find two values in a list", { - expect(testValues.map!"a").to.contain(someTestValues); - }); - - it("should find a value in a list", { - expect(testValues.map!"a").to.contain(someTestValues[0]); - }); - - it("should find other values in a list", { - expect(testValues.map!"a").to.not.contain(otherTestValues); - }); - - it("should find other value in a list", { - expect(testValues.map!"a").to.not.contain(otherTestValues[0]); - }); - - it("should show a detailed error message when the list does not contain 2 values", { - auto msg = ({ - expect(testValues.map!"a").to.contain([4, 5]); - }).should.throwException!TestException.msg; - - msg.split('\n')[2].strip.should.equal("Expected:to contain all [4, 5]"); - msg.split('\n')[3].strip.should.equal("Actual:" ~ strTestValues.to!string); - }); - - it("should show a detailed error message when the list does not contain 2 values", { - auto msg = ({ - expect(testValues.map!"a").to.not.contain(testValues[0..2]); - }).should.throwException!TestException.msg; - - msg.split('\n')[2].strip.should.equal("Expected:to not contain any " ~ SerializerRegistry.instance.niceValue(testValues[0..2])); - msg.split('\n')[3].strip.should.equal("Actual:" ~ strTestValues.to!string); - }); - - it("should show a detailed error message when the list does not contain a value", { - auto msg = ({ - expect(testValues.map!"a").to.contain(otherTestValues[0]); - }).should.throwException!TestException.msg; - - msg.split('\n')[2].strip.should.equal("Expected:to contain " ~ SerializerRegistry.instance.niceValue(otherTestValues[0])); - msg.split('\n')[3].strip.should.equal("Actual:" ~ strTestValues); - }); - - it("should show a detailed error message when the list does contains a value", { - auto msg = ({ - expect(testValues.map!"a").to.not.contain(testValues[0]); - }).should.throwException!TestException.msg; - - msg.split('\n')[2].strip.should.equal("Expected:to not contain " ~ SerializerRegistry.instance.niceValue(testValues[0])); - msg.split('\n')[3].strip.should.equal("Actual:" ~ strTestValues); - }); - }); -}); - -version(unittest) : -class Thing { - int x; - this(int x) { this.x = x; } - override bool opEquals(Object o) { - if(typeid(this) != typeid(o)) return false; - alias a = this; - auto b = cast(typeof(this)) o; - return a.x == b.x; - } -} diff --git a/test/operations/arrayEqual.d b/test/operations/arrayEqual.d deleted file mode 100644 index 8613bcc0..00000000 --- a/test/operations/arrayEqual.d +++ /dev/null @@ -1,302 +0,0 @@ -module test.operations.arrayEqual; - -import fluentasserts.core.expect; -import fluent.asserts; -import fluentasserts.core.serializers; - -import trial.discovery.spec; - -import std.string; -import std.conv; -import std.meta; - -alias s = Spec!({ - - alias StringTypes = AliasSeq!(string, wstring, dstring); - alias NumericTypes = AliasSeq!(byte, ubyte, short, ushort, int, uint, long, ulong, float, double, real /*, ifloat, idouble, ireal, cfloat, cdouble, creal*/); - - static foreach(Type; StringTypes) { - describe("using an array of " ~ Type.stringof, { - Type[] aList; - Type[] anotherList; - Type[] aListInOtherOrder; - - before({ - aList = [ "a", "b", "c" ]; - aListInOtherOrder = [ "c", "b", "a" ]; - anotherList = [ "b", "c" ]; - }); - - it("should compare two exact arrays", { - expect(aList).to.equal(aList); - }); - - it("should be able to compare that two arrays are not equal", { - expect(aList).to.not.equal(aListInOtherOrder); - expect(aList).to.not.equal(anotherList); - expect(anotherList).to.not.equal(aList); - }); - - it("should throw a detailed error message when the two arrays are not equal", { - auto msg = ({ - expect(aList).to.equal(anotherList); - }).should.throwException!TestException.msg.split("\n"); - - msg[0].strip.should.equal(aList.to!string ~ " should equal " ~ anotherList.to!string ~ "."); - msg[1].strip.should.equal("Diff:"); - msg[2].strip.should.equal(`["[+a", "]b", "c"]`); - msg[4].strip.should.equal("Expected:" ~ anotherList.to!string); - msg[5].strip.should.equal("Actual:" ~ aList.to!string); - }); - - it("should throw an error when the arrays have the same values in a different order", { - auto msg = ({ - expect(aList).to.equal(aListInOtherOrder); - }).should.throwException!TestException.msg.split("\n"); - - msg[0].strip.should.equal(aList.to!string ~ " should equal " ~ aListInOtherOrder.to!string ~ "."); - msg[1].strip.should.equal("Diff:"); - msg[2].strip.should.equal(`["[-c][+a]", "b", "[-a][+c]"]`); - msg[4].strip.should.equal("Expected:" ~ aListInOtherOrder.to!string); - msg[5].strip.should.equal("Actual:" ~ aList.to!string); - }); - - it("should throw an error when the arrays should not be equal", { - auto msg = ({ - expect(aList).not.to.equal(aList); - }).should.throwException!TestException.msg.split("\n"); - - msg[0].strip.should.startWith(aList.to!string ~ " should not equal " ~ aList.to!string ~ "."); - msg[2].strip.should.equal(`Expected:not ["a", "b", "c"]`); - msg[3].strip.should.equal(`Actual:["a", "b", "c"]`); - }); - }); - } - - describe("using an array of arrays", { - int[][] aList; - int[][] anotherList; - int[][] aListInOtherOrder; - - before({ - aList = [ [1], [2,2], [3,3,3] ]; - aListInOtherOrder = [ [3,3,3], [2,2], [1] ]; - anotherList = [ [2], [3] ]; - }); - - it("should compare two exact arrays", { - expect(aList).to.equal(aList); - }); - - it("should be able to compare that two arrays are not equal", { - expect(aList).to.not.equal(aListInOtherOrder); - expect(aList).to.not.equal(anotherList); - expect(anotherList).to.not.equal(aList); - }); - - it("should throw a detailed error message when the two arrays are not equal", { - auto msg = ({ - expect(aList).to.equal(anotherList); - }).should.throwException!TestException.msg.split("\n"); - - msg[0].strip.should.equal(aList.to!string ~ " should equal " ~ anotherList.to!string ~ "."); - msg[1].strip.should.equal("Diff:"); - msg[2].strip.should.equal(`[[[+1], [2, ]2], [[+3, 3, ]3]]`); - msg[4].strip.should.equal("Expected:" ~ anotherList.to!string); - msg[5].strip.should.equal("Actual:" ~ aList.to!string); - }); - - it("should throw an error when the arrays have the same values in a different order", { - auto msg = ({ - expect(aList).to.equal(aListInOtherOrder); - }).should.throwException!TestException.msg.split("\n"); - - msg[0].strip.should.equal(aList.to!string ~ " should equal " ~ aListInOtherOrder.to!string ~ "."); - msg[1].strip.should.equal("Diff:"); - msg[2].strip.should.equal(`[[[-3, 3, 3][+1]], [2, 2], [[-1][+3, 3, 3]]]`); - msg[4].strip.should.equal("Expected:" ~ aListInOtherOrder.to!string); - msg[5].strip.should.equal("Actual:" ~ aList.to!string); - }); - - it("should throw an error when the arrays should not be equal", { - auto msg = ({ - expect(aList).not.to.equal(aList); - }).should.throwException!TestException.msg.split("\n"); - - msg[0].strip.should.startWith(aList.to!string ~ " should not equal " ~ aList.to!string ~ "."); - msg[2].strip.should.equal(`Expected:not [[1], [2, 2], [3, 3, 3]]`); - msg[3].strip.should.equal(`Actual:[[1], [2, 2], [3, 3, 3]]`); - }); - }); - - static foreach(Type; NumericTypes) { - describe("using an array of " ~ Type.stringof, { - Type[] aList; - Type[] anotherList; - Type[] aListInOtherOrder; - - before({ - static if(is(ifloat == Type) || is(idouble == Type) || is(ireal == Type)) { - aList = [ cast(Type) 1i, cast(Type) 2i, cast(Type) 3i ]; - aListInOtherOrder = [ cast(Type) 3i, cast(Type) 2i, cast(Type) 1i ]; - anotherList = [ cast(Type) 2i, cast(Type) 3i ]; - } else { - aList = [ cast(Type) 1, cast(Type) 2, cast(Type) 3 ]; - aListInOtherOrder = [ cast(Type) 3, cast(Type) 2, cast(Type) 1 ]; - anotherList = [ cast(Type) 2, cast(Type) 3 ]; - } - }); - - it("should compare two exact arrays", { - expect(aList).to.equal(aList); - }); - - it("should be able to compare that two arrays are not equal", { - expect(aList).to.not.equal(aListInOtherOrder); - expect(aList).to.not.equal(anotherList); - expect(anotherList).to.not.equal(aList); - }); - - it("should throw a detailed error message when the two arrays are not equal", { - auto msg = ({ - expect(aList).to.equal(anotherList); - }).should.throwException!TestException.msg.split("\n"); - - msg[0].strip.should.equal(aList.to!string ~ " should equal " ~ anotherList.to!string ~ "."); - msg[1].strip.should.equal("Diff:"); - - static if(is(ifloat == Type) || is(idouble == Type) || is(ireal == Type)) { - msg[2].strip.should.equal("[[+1i, ]2i, 3i]"); - } else static if(is(cfloat == Type) || is(cdouble == Type) || is(creal == Type)) { - msg[2].strip.should.equal("[[+1+0i, ]2+0i, 3+0i]"); - } else { - msg[2].strip.should.equal("[[+1, ]2, 3]"); - } - - msg[4].strip.should.equal("Expected:" ~ anotherList.to!string); - msg[5].strip.should.equal("Actual:" ~ aList.to!string); - }); - - it("should throw an error when the arrays have the same values in a different order", { - auto msg = ({ - expect(aList).to.equal(aListInOtherOrder); - }).should.throwException!TestException.msg.split("\n"); - - msg[0].strip.should.equal(aList.to!string ~ " should equal " ~ aListInOtherOrder.to!string ~ "."); - msg[1].strip.should.equal("Diff:"); - - static if(is(ifloat == Type) || is(idouble == Type) || is(ireal == Type)) { - msg[2].strip.should.equal("[[-3][+1]i, 2i, [-1][+3]i]"); - } else static if(is(cfloat == Type) || is(cdouble == Type) || is(creal == Type)) { - msg[2].strip.should.equal("[[-3][+1]+0i, 2+0i, [-1][+3]+0i]"); - } else { - msg[2].strip.should.equal("[[-3][+1], 2, [-1][+3]]"); - } - - msg[4].strip.should.equal("Expected:" ~ aListInOtherOrder.to!string); - msg[5].strip.should.equal("Actual:" ~ aList.to!string); - }); - - it("should throw an error when the arrays should not be equal", { - auto msg = ({ - expect(aList).not.to.equal(aList); - }).should.throwException!TestException.msg.split("\n"); - - msg[0].strip.should.startWith(aList.to!string ~ " should not equal " ~ aList.to!string ~ "."); - - static if(is(ifloat == Type) || is(idouble == Type) || is(ireal == Type)) { - msg[2].strip.should.equal("Expected:not [1i, 2i, 3i]"); - msg[3].strip.should.equal("Actual:[1i, 2i, 3i]"); - } else static if(is(cfloat == Type) || is(cdouble == Type) || is(creal == Type)) { - msg[2].strip.should.equal("Expected:not [1+0i, 2+0i, 3+0i]"); - msg[3].strip.should.equal("Actual:[1+0i, 2+0i, 3+0i]"); - } else { - msg[2].strip.should.equal("Expected:not [1, 2, 3]"); - msg[3].strip.should.equal("Actual:[1, 2, 3]"); - } - }); - }); - } - - describe("using an array of objects with opEquals", { - Thing[] aList; - Thing[] anotherList; - Thing[] aListInOtherOrder; - - string strAList; - string strAnotherList; - string strAListInOtherOrder; - - before({ - aList = [ new Thing(1), new Thing(2), new Thing(3) ]; - aListInOtherOrder = [ new Thing(3), new Thing(2), new Thing(1) ]; - anotherList = [ new Thing(2), new Thing(3) ]; - - strAList = SerializerRegistry.instance.niceValue(aList); - strAnotherList = SerializerRegistry.instance.niceValue(anotherList); - strAListInOtherOrder = SerializerRegistry.instance.niceValue(aListInOtherOrder); - }); - - it("should compare two exact arrays", { - expect(aList).to.equal(aList); - }); - - it("should be able to compare that two arrays are not equal", { - expect(aList).to.not.equal(aListInOtherOrder); - expect(aList).to.not.equal(anotherList); - expect(anotherList).to.not.equal(aList); - }); - - it("should throw a detailed error message when the two arrays are not equal", { - auto msg = ({ - expect(aList).to.equal(anotherList); - }).should.throwException!TestException.msg.split("\n"); - - msg[0].strip.should.equal(strAList.to!string ~ " should equal " ~ strAnotherList.to!string ~ "."); - msg[1].strip.should.equal("Diff:"); - msg[4].strip.should.equal("Expected:" ~ strAnotherList.to!string); - msg[5].strip.should.equal("Actual:" ~ strAList.to!string); - }); - - it("should throw an error when the arrays have the same values in a different order", { - auto msg = ({ - expect(aList).to.equal(aListInOtherOrder); - }).should.throwException!TestException.msg.split("\n"); - - msg[0].strip.should.equal(strAList.to!string ~ " should equal " ~ strAListInOtherOrder ~ "."); - msg[1].strip.should.equal("Diff:"); - msg[4].strip.should.equal("Expected:" ~ strAListInOtherOrder); - msg[5].strip.should.equal("Actual:" ~ strAList.to!string); - }); - - it("should throw an error when the arrays should not be equal", { - auto msg = ({ - expect(aList).not.to.equal(aList); - }).should.throwException!TestException.msg.split("\n"); - - msg[0].strip.should.startWith(strAList.to!string ~ " should not equal " ~ strAList.to!string ~ "."); - msg[2].strip.should.equal("Expected:not " ~ strAList); - msg[3].strip.should.equal("Actual:" ~ strAList); - }); - }); -}); - - -version(unittest) : -class Thing { - int x; - - this(int x) { this.x = x; } - - override bool opEquals(Object o) { - if(typeid(this) != typeid(o)) return false; - alias a = this; - auto b = cast(typeof(this)) o; - - return a.x == b.x; - } - - override string toString() { - return x.to!string; - } -} \ No newline at end of file diff --git a/test/operations/beNull.d b/test/operations/beNull.d deleted file mode 100644 index d493c317..00000000 --- a/test/operations/beNull.d +++ /dev/null @@ -1,56 +0,0 @@ -module test.operations.beNull; - -import fluentasserts.core.expect; -import fluent.asserts; - -import trial.discovery.spec; - -import std.string; -import std.conv; -import std.meta; - -alias s = Spec!({ - describe("using delegates", { - void delegate() value; - describe("when the delegate is set", { - beforeEach({ - void test() {} - value = &test; - }); - - it("should not throw when it is expected not to be null", { - expect(value).not.to.beNull; - }); - - it("should throw when it is expected to be null", { - auto msg = expect({ - expect(value).to.beNull; - }).to.throwException!TestException.msg; - - msg.split("\n")[0].should.equal(" should be null."); - msg.split("\n")[2].strip.should.equal("Expected:null"); - msg.split("\n")[3].strip.should.equal("Actual:callable"); - }); - }); - - describe("when the delegate is not set", { - beforeEach({ - value = null; - }); - - it("should not throw when it is expected to be null", { - expect(value).to.beNull; - }); - - it("should throw when it is expected not to be null", { - auto msg = expect({ - expect(value).not.to.beNull; - }).to.throwException!TestException.msg; - - msg.split("\n")[0].should.equal(" should not be null."); - msg.split("\n")[2].strip.should.equal("Expected:not null"); - msg.split("\n")[3].strip.should.equal("Actual:null"); - }); - }); - }); -}); diff --git a/test/operations/between.d b/test/operations/between.d deleted file mode 100644 index 2048799f..00000000 --- a/test/operations/between.d +++ /dev/null @@ -1,173 +0,0 @@ -module test.operations.between; - -import fluentasserts.core.expect; -import fluent.asserts; - -import trial.discovery.spec; - -import std.string; -import std.conv; -import std.meta; -import std.datetime; - -alias s = Spec!({ - alias NumericTypes = AliasSeq!(byte, ubyte, short, ushort, int, uint, long, ulong, float, double, real); - - static foreach(Type; NumericTypes) { - describe("using " ~ Type.stringof ~ " values", { - Type smallValue; - Type largeValue; - Type middleValue; - - before({ - smallValue = cast(Type) 40; - largeValue = cast(Type) 50; - middleValue = cast(Type) 45; - }); - - it("should be able to check if a value is inside an interval", { - expect(middleValue).to.be.between(smallValue, largeValue); - expect(middleValue).to.be.between(largeValue, smallValue); - expect(middleValue).to.be.within(smallValue, largeValue); - }); - - it("should be able to check if a value is outside an interval", { - expect(largeValue).to.not.be.between(smallValue, largeValue); - expect(largeValue).to.not.be.between(largeValue, smallValue); - expect(largeValue).to.not.be.within(smallValue, largeValue); - }); - - it("should throw a detailed error when the value equal to the max value of the interval", { - auto msg = ({ - expect(largeValue).to.be.between(smallValue, largeValue); - }).should.throwException!TestException.msg; - - msg.split("\n")[0].should.equal(largeValue.to!string ~ " should be between " ~ smallValue.to!string ~ " and " ~ largeValue.to!string ~ ". " ~ largeValue.to!string ~ " is greater than or equal to " ~ largeValue.to!string ~ "."); - msg.split("\n")[2].strip.should.equal("Expected:a value inside (" ~ smallValue.to!string ~ ", " ~ largeValue.to!string ~ ") interval"); - msg.split("\n")[3].strip.should.equal("Actual:" ~ largeValue.to!string); - }); - - it("should throw a detailed error when the value equal to the min value of the interval", { - auto msg = ({ - expect(smallValue).to.be.between(smallValue, largeValue); - }).should.throwException!TestException.msg; - - msg.split("\n")[0].should.equal(smallValue.to!string ~ " should be between " ~ smallValue.to!string ~ " and " ~ largeValue.to!string ~ ". " ~ smallValue.to!string ~ " is less than or equal to " ~ smallValue.to!string ~ "."); - msg.split("\n")[2].strip.should.equal("Expected:a value inside (" ~ smallValue.to!string ~ ", " ~ largeValue.to!string ~ ") interval"); - msg.split("\n")[3].strip.should.equal("Actual:" ~ smallValue.to!string); - }); - - it("should throw a detailed error when the negated assert fails", { - auto msg = ({ - expect(middleValue).to.not.be.between(smallValue, largeValue); - }).should.throwException!TestException.msg; - - msg.split("\n")[0].should.startWith(middleValue.to!string ~ " should not be between " ~ smallValue.to!string ~ " and " ~ largeValue.to!string ~ "."); - msg.split("\n")[2].strip.should.equal("Expected:a value outside (" ~ smallValue.to!string ~ ", " ~ largeValue.to!string ~ ") interval"); - msg.split("\n")[3].strip.should.equal("Actual:" ~ middleValue.to!string); - }); - }); - } - - describe("using Duration values", { - Duration smallValue; - Duration largeValue; - Duration middleValue; - - before({ - smallValue = 40.seconds; - largeValue = 50.seconds; - middleValue = 45.seconds; - }); - - it("should be able to check if a value is inside an interval", { - expect(middleValue).to.be.between(smallValue, largeValue); - expect(middleValue).to.be.between(largeValue, smallValue); - expect(middleValue).to.be.within(smallValue, largeValue); - }); - - it("should be able to check if a value is outside an interval", { - expect(largeValue).to.not.be.between(smallValue, largeValue); - expect(largeValue).to.not.be.between(largeValue, smallValue); - expect(largeValue).to.not.be.within(smallValue, largeValue); - }); - - it("should throw a detailed error when the value equal to the max value of the interval", { - auto msg = ({ - expect(largeValue).to.be.between(smallValue, largeValue); - }).should.throwException!TestException.msg; - - msg.split("\n")[0].should.equal(largeValue.to!string ~ " should be between " ~ smallValue.to!string ~ " and " ~ largeValue.to!string ~ ". " ~ largeValue.to!string ~ " is greater than or equal to " ~ largeValue.to!string ~ "."); - msg.split("\n")[2].strip.should.equal("Expected:a value inside (" ~ smallValue.to!string ~ ", " ~ largeValue.to!string ~ ") interval"); - msg.split("\n")[3].strip.should.equal("Actual:" ~ largeValue.to!string); - }); - - it("should throw a detailed error when the value equal to the min value of the interval", { - auto msg = ({ - expect(smallValue).to.be.between(smallValue, largeValue); - }).should.throwException!TestException.msg; - - msg.split("\n")[0].should.equal(smallValue.to!string ~ " should be between " ~ smallValue.to!string ~ " and " ~ largeValue.to!string ~ ". " ~ smallValue.to!string ~ " is less than or equal to " ~ smallValue.to!string ~ "."); - msg.split("\n")[2].strip.should.equal("Expected:a value inside (" ~ smallValue.to!string ~ ", " ~ largeValue.to!string ~ ") interval"); - msg.split("\n")[3].strip.should.equal("Actual:" ~ smallValue.to!string); - }); - - it("should throw a detailed error when the negated assert fails", { - auto msg = ({ - expect(middleValue).to.not.be.between(smallValue, largeValue); - }).should.throwException!TestException.msg; - - msg.split("\n")[0].should.startWith(middleValue.to!string ~ " should not be between " ~ smallValue.to!string ~ " and " ~ largeValue.to!string ~ "."); - msg.split("\n")[2].strip.should.equal("Expected:a value outside (" ~ smallValue.to!string ~ ", " ~ largeValue.to!string ~ ") interval"); - msg.split("\n")[3].strip.should.equal("Actual:" ~ middleValue.to!string); - }); - }); - - describe("using SysTime values", { - SysTime smallValue; - SysTime largeValue; - SysTime middleValue; - - before({ - smallValue = Clock.currTime; - largeValue = Clock.currTime + 40.seconds; - middleValue = Clock.currTime + 35.seconds; - }); - - it("should be able to check if a value is inside an interval", { - expect(middleValue).to.be.between(smallValue, largeValue); - expect(middleValue).to.be.between(largeValue, smallValue); - expect(middleValue).to.be.within(smallValue, largeValue); - }); - - it("should be able to check if a value is outside an interval", { - expect(largeValue).to.not.be.between(smallValue, largeValue); - expect(largeValue).to.not.be.between(largeValue, smallValue); - expect(largeValue).to.not.be.within(smallValue, largeValue); - }); - - it("should throw a detailed error when the value equal to the max value of the interval", { - auto msg = ({ - expect(largeValue).to.be.between(smallValue, largeValue); - }).should.throwException!TestException.msg; - - msg.split("\n")[0].should.equal(largeValue.toISOExtString ~ " should be between " ~ smallValue.toISOExtString ~ " and " ~ largeValue.toISOExtString ~ ". " ~ largeValue.toISOExtString ~ " is greater than or equal to " ~ largeValue.to!string ~ "."); - }); - - it("should throw a detailed error when the value equal to the min value of the interval", { - auto msg = ({ - expect(smallValue).to.be.between(smallValue, largeValue); - }).should.throwException!TestException.msg; - - msg.split("\n")[0].should.equal(smallValue.toISOExtString ~ " should be between " ~ smallValue.toISOExtString ~ " and " ~ largeValue.toISOExtString ~ ". " ~ smallValue.toISOExtString ~ " is less than or equal to " ~ smallValue.to!string ~ "."); - }); - - it("should throw a detailed error when the negated assert fails", { - auto msg = ({ - expect(middleValue).to.not.be.between(smallValue, largeValue); - }).should.throwException!TestException.msg; - - msg.split("\n")[0].should.startWith(middleValue.toISOExtString ~ " should not be between " ~ smallValue.toISOExtString ~ " and " ~ largeValue.toISOExtString ~ "."); - }); - }); -}); diff --git a/test/operations/contain.d b/test/operations/contain.d deleted file mode 100644 index cd17ef80..00000000 --- a/test/operations/contain.d +++ /dev/null @@ -1,146 +0,0 @@ -module test.operations.contain; - -import fluentasserts.core.expect; -import fluent.asserts; - -import trial.discovery.spec; - -import std.string; -import std.conv; -import std.meta; -import std.algorithm; -import std.range; - -alias s = Spec!({ - alias StringTypes = AliasSeq!(string, wstring, dstring); - - static foreach(Type; StringTypes) { - describe("using " ~ Type.stringof ~ " values", { - Type testValue; - - Type[] listOfOtherValues; - Type[] listOfValues; - - before({ - testValue = "test string".to!Type; - listOfOtherValues = ["string".to!Type, "test".to!Type]; - listOfOtherValues = ["other".to!Type, "message".to!Type]; - }); - - it("should find two substrings", { - expect(testValue).to.contain(["string", "test"]); - }); - - it("should not find matches from a list of strings", { - expect(testValue).to.not.contain(["other", "message"]); - }); - - it("should find a char", { - expect(testValue).to.contain('s'); - }); - - it("should not find a char that is not in the string", { - expect(testValue).to.not.contain('z'); - }); - - it("should show a detailed error message when the strings are not found", { - auto msg = ({ - expect(testValue).to.contain(["other", "message"]); - }).should.throwException!TestException.msg; - - msg.split("\n")[0].should.equal(`"test string" should contain ["other", "message"]. ["other", "message"] are missing from "test string".`); - msg.split("\n")[2].strip.should.equal("Expected:to contain all [\"other\", \"message\"]"); - msg.split("\n")[3].strip.should.equal("Actual:test string"); - }); - - it("should throw an error when the string contains substrings that it should not", { - auto msg = ({ - expect(testValue).to.not.contain(["test", "string"]); - }).should.throwException!TestException.msg; - - msg.split("\n")[0].should.equal(`"test string" should not contain ["test", "string"]. ["test", "string"] are present in "test string".`); - msg.split("\n")[2].strip.should.equal("Expected:to not contain any [\"test\", \"string\"]"); - msg.split("\n")[3].strip.should.equal("Actual:test string"); - }); - - it("should throw an error when the string does not contains a substring", { - auto msg = ({ - expect(testValue).to.contain("other"); - }).should.throwException!TestException.msg; - - msg.split("\n")[0].should.equal(`"test string" should contain "other". other is missing from "test string".`); - msg.split("\n")[2].strip.should.equal("Expected:to contain \"other\""); - msg.split("\n")[3].strip.should.equal("Actual:test string"); - }); - - it("should throw an error when the string contains a substring that it should not", { - auto msg = ({ - expect(testValue).to.not.contain("test"); - }).should.throwException!TestException.msg; - - msg.split("\n")[0].should.equal(`"test string" should not contain "test". test is present in "test string".`); - msg.split("\n")[2].strip.should.equal("Expected:to not contain \"test\""); - msg.split("\n")[3].strip.should.equal("Actual:test string"); - }); - - it("should throw an error when the string does not contains a char", { - auto msg = ({ - expect(testValue).to.contain('o'); - }).should.throwException!TestException.msg; - - msg.split("\n")[0].should.equal(`"test string" should contain 'o'. o is missing from "test string".`); - msg.split("\n")[2].strip.should.equal("Expected:to contain 'o'"); - msg.split("\n")[3].strip.should.equal("Actual:test string"); - }); - - it("should throw an error when the string contains a char that it should not", { - auto msg = ({ - expect(testValue).to.not.contain('t'); - }).should.throwException!TestException.msg; - - msg.split("\n")[0].should.equal(`"test string" should not contain 't'. t is present in "test string".`); - msg.split("\n")[2].strip.should.equal("Expected:to not contain 't'"); - msg.split("\n")[3].strip.should.equal("Actual:test string"); - }); - }); - - describe("using a range of " ~ Type.stringof ~ " values", { - Type testValue; - - Type[] listOfOtherValues; - Type[] listOfValues; - - before({ - testValue = "test string".to!Type; - }); - - it("should find two substrings", { - expect(testValue).to.contain(["string", "test"].inputRangeObject); - }); - - it("should not find matches from a list of strings", { - expect(testValue).to.not.contain(["other", "message"].inputRangeObject); - }); - - it("should show a detailed error message when the strings are not found", { - auto msg = ({ - expect(testValue).to.contain(["other", "message"].inputRangeObject); - }).should.throwException!TestException.msg; - - msg.split("\n")[0].should.equal(`"test string" should contain ["other", "message"]. ["other", "message"] are missing from "test string".`); - msg.split("\n")[2].strip.should.equal("Expected:to contain all [\"other\", \"message\"]"); - msg.split("\n")[3].strip.should.equal("Actual:test string"); - }); - - it("should throw an error when the string contains substrings that it should not", { - auto msg = ({ - expect(testValue).to.not.contain(["test", "string"].inputRangeObject); - }).should.throwException!TestException.msg; - - msg.split("\n")[0].should.equal(`"test string" should not contain ["test", "string"]. ["test", "string"] are present in "test string".`); - msg.split("\n")[2].strip.should.equal("Expected:to not contain any [\"test\", \"string\"]"); - msg.split("\n")[3].strip.should.equal("Actual:test string"); - }); - }); - } -}); diff --git a/test/operations/containOnly.d b/test/operations/containOnly.d deleted file mode 100644 index bcef4f26..00000000 --- a/test/operations/containOnly.d +++ /dev/null @@ -1,290 +0,0 @@ -module test.operations.containOnly; - -import fluentasserts.core.expect; -import fluentasserts.core.serializers; -import fluent.asserts; - -import trial.discovery.spec; - -import std.string; -import std.conv; -import std.meta; -import std.algorithm; -import std.range; - -alias s = Spec!({ - alias StringTypes = AliasSeq!(string, wstring, dstring); - - static foreach(Type; StringTypes) { - describe("using a range of " ~ Type.stringof, { - Type[] testValues; - Type[] testValuesWithOtherOrder; - Type[] otherTestValues; - - before({ - testValues = [ "40".to!Type, "41".to!Type, "42".to!Type ]; - testValuesWithOtherOrder = [ "42".to!Type, "41".to!Type, "40".to!Type ]; - otherTestValues = [ "50".to!Type, "51".to!Type ]; - }); - - it("should find all items in the expected list", { - expect(testValues).to.containOnly(testValuesWithOtherOrder); - }); - - it("should not fail on checking if the list contains only a substring", { - expect(testValues).not.to.containOnly(testValues[0..2]); - }); - - it("should find all duplicated items", { - expect(testValues ~ testValues).to.containOnly(testValuesWithOtherOrder ~ testValuesWithOtherOrder); - }); - - it("should not fail on checking if the list contains only a substring of unique values", { - expect(testValues ~ testValues).not.to.containOnly(testValues); - }); - - it("should throw a detailed error when the array does not contain only the provided values", { - auto msg = ({ - expect(testValues).to.containOnly(testValues[0..2]); - }).should.throwException!TestException.msg; - - msg.split('\n')[0].should.equal(testValues.to!string ~ " should contain only " ~ testValues[0..2].to!string ~ "."); - msg.split('\n')[2].strip.should.equal("Actual:" ~ testValues.to!string); - msg.split('\n')[4].strip.should.equal("Missing:" ~ testValues[$-1..$].to!string); - }); - - it("should throw a detailed error when the list shoul not contain some values", { - auto msg = ({ - expect(testValues).to.not.containOnly(testValuesWithOtherOrder); - }).should.throwException!TestException.msg; - - msg.split('\n')[0].should.equal(testValues.to!string ~ " should not contain only " ~ testValuesWithOtherOrder.to!string ~ "."); - msg.split('\n')[2].strip.should.equal("Expected:to not contain " ~ testValuesWithOtherOrder.to!string); - msg.split('\n')[3].strip.should.equal("Actual:" ~ testValues.to!string); - }); - }); - } - - alias NumericTypes = AliasSeq!(byte, ubyte, short, ushort, int, uint, long, ulong, float, double, real/*, ifloat, idouble, ireal, cfloat, cdouble, creal*/); - static foreach(Type; NumericTypes) { - describe("using a range of " ~ Type.stringof, { - Type[] testValues; - Type[] testValuesWithOtherOrder; - Type[] otherTestValues; - - static if(is(ifloat == Type) || is(idouble == Type) || is(ireal == Type)) { - before({ - testValues = [ 40i, 41i, 42i]; - testValuesWithOtherOrder = [ 42i, 41i, 40i]; - otherTestValues = [ 50i, 51i ]; - }); - } else { - before({ - testValues = [ cast(Type) 40, cast(Type) 41, cast(Type) 42 ]; - testValuesWithOtherOrder = [ cast(Type) 42, cast(Type) 41, cast(Type) 40 ]; - otherTestValues = [ cast(Type) 50, cast(Type) 51 ]; - }); - } - - it("should find all items in the expected list", { - expect(testValues).to.containOnly(testValuesWithOtherOrder); - }); - - it("should not fail on checking if the list contains only a substring", { - expect(testValues).not.to.containOnly(testValues[0..2]); - }); - - it("should find all duplicated items", { - expect(testValues ~ testValues).to.containOnly(testValuesWithOtherOrder ~ testValuesWithOtherOrder); - }); - - it("should not fail on checking if the list contains only a substring of unique values", { - expect(testValues ~ testValues).not.to.containOnly(testValues); - }); - - it("should throw a detailed error when the array does not contain only the provided values", { - auto msg = ({ - expect(testValues).to.containOnly(testValues[0..2]); - }).should.throwException!TestException.msg; - - msg.split('\n')[0].should.equal(testValues.to!string ~ " should contain only " ~ testValues[0..2].to!string ~ "."); - msg.split('\n')[2].strip.should.equal("Actual:" ~ testValues.to!string); - msg.split('\n')[4].strip.should.equal("Missing:" ~ testValues[$-1..$].to!string); - }); - - it("should throw a detailed error when the list shoul not contain some values", { - auto msg = ({ - expect(testValues).to.not.containOnly(testValuesWithOtherOrder); - }).should.throwException!TestException.msg; - - msg.split('\n')[0].should.equal(testValues.to!string ~ " should not contain only " ~ testValuesWithOtherOrder.to!string ~ "."); - msg.split('\n')[2].strip.should.equal("Expected:to not contain " ~ testValuesWithOtherOrder.to!string); - msg.split('\n')[3].strip.should.equal("Actual:" ~ testValues.to!string); - }); - }); - } - - describe("using an array of arrays", { - int[][] testValues; - int[][] testValuesWithOtherOrder; - int[][] otherTestValues; - - before({ - testValues = [ [40], [41, 41], [42,42,42] ]; - testValuesWithOtherOrder = [ [42,42,42], [41, 41], [40] ]; - otherTestValues = [ [50], [51] ]; - }); - - it("should find all items in the expected list", { - expect(testValues).to.containOnly(testValuesWithOtherOrder); - }); - - it("should not fail on checking if the list contains only a substring", { - expect(testValues).not.to.containOnly(testValues[0..2]); - }); - - it("should find all duplicated items", { - expect(testValues ~ testValues).to.containOnly(testValuesWithOtherOrder ~ testValuesWithOtherOrder); - }); - - it("should not fail on checking if the list contains only a substring of unique values", { - expect(testValues ~ testValues).not.to.containOnly(testValues); - }); - - it("should throw a detailed error when the array does not contain only the provided values", { - auto msg = ({ - expect(testValues).to.containOnly(testValues[0..2]); - }).should.throwException!TestException.msg; - - msg.split('\n')[0].should.equal(testValues.to!string ~ " should contain only " ~ testValues[0..2].to!string ~ "."); - msg.split('\n')[2].strip.should.equal("Actual:" ~ testValues.to!string); - msg.split('\n')[4].strip.should.equal("Missing:" ~ testValues[$-1..$].to!string); - }); - - it("should throw a detailed error when the list shoul not contain some values", { - auto msg = ({ - expect(testValues).to.not.containOnly(testValuesWithOtherOrder); - }).should.throwException!TestException.msg; - - msg.split('\n')[0].should.equal(testValues.to!string ~ " should not contain only " ~ testValuesWithOtherOrder.to!string ~ "."); - msg.split('\n')[2].strip.should.equal("Expected:to not contain " ~ testValuesWithOtherOrder.to!string); - msg.split('\n')[3].strip.should.equal("Actual:" ~ testValues.to!string); - }); - }); - - describe("using a range of Objects without opEquals", { - Object[] testValues; - Object[] testValuesWithOtherOrder; - Object[] otherTestValues; - - before({ - testValues = [new Object(), new Object()]; - testValuesWithOtherOrder = [testValues[1], testValues[0]]; - otherTestValues = [new Object(), new Object()]; - }); - - it("should find all items in the expected list", { - expect(testValues).to.containOnly(testValuesWithOtherOrder); - }); - - it("should not fail on checking if the list contains only a subset", { - expect(testValues).not.to.containOnly([testValues[0]]); - }); - - it("should find all duplicated items", { - expect(testValues ~ testValues).to.containOnly(testValuesWithOtherOrder ~ testValuesWithOtherOrder); - }); - - it("should not fail on checking if the list contains only a substring of unique values", { - expect(testValues ~ testValues).not.to.containOnly(testValues); - }); - - it("should throw a detailed error when the array does not contain only the provided values", { - auto msg = ({ - expect(testValues).to.containOnly([testValues[0]]); - }).should.throwException!TestException.msg; - - msg.split('\n')[0].should.contain(")] should contain only [Object("); - msg.split('\n')[2].strip.should.startWith("Actual:[Object("); - msg.split('\n')[4].strip.should.startWith("Missing:[Object("); - }); - - it("should throw a detailed error when the list shoul not contain some values", { - auto msg = ({ - expect(testValues).to.not.containOnly(testValuesWithOtherOrder); - }).should.throwException!TestException.msg; - - msg.split('\n')[0].should.contain(")] should not contain only [Object("); - msg.split('\n')[2].strip.should.startWith("Expected:to not contain [Object("); - msg.split('\n')[3].strip.should.startWith("Actual:[Object("); - }); - }); - - describe("using a range of Objects with opEquals", { - Thing[] testValues; - Thing[] testValuesWithOtherOrder; - Thing[] otherTestValues; - - string strTestValues; - string strTestValuesWithOtherOrder; - string strOtherTestValues; - - before({ - testValues = [ new Thing(40), new Thing(41), new Thing(42) ]; - testValuesWithOtherOrder = [ new Thing(42), new Thing(41), new Thing(40) ]; - otherTestValues = [ new Thing(50), new Thing(51) ]; - - strTestValues = SerializerRegistry.instance.niceValue(testValues); - strTestValuesWithOtherOrder = SerializerRegistry.instance.niceValue(testValuesWithOtherOrder); - strOtherTestValues = SerializerRegistry.instance.niceValue(otherTestValues); - }); - - it("should find all items in the expected list", { - expect(testValues).to.containOnly(testValuesWithOtherOrder); - }); - - it("should not fail on checking if the list contains only a substring", { - expect(testValues).not.to.containOnly(testValues[0..2]); - }); - - it("should find all duplicated items", { - expect(testValues ~ testValues).to.containOnly(testValuesWithOtherOrder ~ testValuesWithOtherOrder); - }); - - it("should not fail on checking if the list contains only a substring of unique values", { - expect(testValues ~ testValues).not.to.containOnly(testValues); - }); - - it("should throw a detailed error when the array does not contain only the provided values", { - auto msg = ({ - expect(testValues).to.containOnly(testValues[0..2]); - }).should.throwException!TestException.msg; - - msg.split('\n')[2].strip.should.equal("Actual:" ~ strTestValues); - msg.split('\n')[4].strip.should.equal("Missing:" ~ SerializerRegistry.instance.niceValue(testValues[$-1..$])); - }); - - it("should throw a detailed error when the list shoul not contain some values", { - auto msg = ({ - expect(testValues).to.not.containOnly(testValuesWithOtherOrder); - }).should.throwException!TestException.msg; - - msg.split('\n')[0].should.equal(strTestValues ~ " should not contain only " ~ strTestValuesWithOtherOrder ~ "."); - msg.split('\n')[2].strip.should.equal("Expected:to not contain " ~ strTestValuesWithOtherOrder); - msg.split('\n')[3].strip.should.equal("Actual:" ~ strTestValues); - }); - }); -}); - - -version(unittest) : -class Thing { - int x; - this(int x) { this.x = x; } - override bool opEquals(Object o) { - if(typeid(this) != typeid(o)) return false; - alias a = this; - auto b = cast(typeof(this)) o; - return a.x == b.x; - } -} diff --git a/test/operations/endWith.d b/test/operations/endWith.d deleted file mode 100644 index dddefe0b..00000000 --- a/test/operations/endWith.d +++ /dev/null @@ -1,86 +0,0 @@ -module test.operations.endWith; - -import fluentasserts.core.expect; -import fluent.asserts; - -import trial.discovery.spec; - -import std.string; -import std.conv; -import std.meta; - -alias s = Spec!({ - describe("special cases", { - it("should check that a multi line string ends with a certain substring", { - expect("str\ning").to.endWith("ing"); - }); - }); - - alias StringTypes = AliasSeq!(string, wstring, dstring); - - static foreach(Type; StringTypes) { - describe("using " ~ Type.stringof ~ " values", { - Type testValue; - - before({ - testValue = "test string".to!Type; - }); - - it("should check that a string ends with a certain substring", { - expect(testValue).to.endWith("string"); - }); - - it("should check that a string ends with a certain char", { - expect(testValue).to.endWith('g'); - }); - - it("should check that a string does not end with a certain substring", { - expect(testValue).to.not.endWith("other"); - }); - - it("should check that a string does not end with a certain char", { - expect(testValue).to.not.endWith('o'); - }); - - it("should throw a detailed error when the string does not end with the substring what was expected", { - auto msg = ({ - expect(testValue).to.endWith("other"); - }).should.throwException!TestException.msg; - - msg.split("\n")[0].should.contain(`"test string" should end with "other". "test string" does not end with "other".`); - msg.split("\n")[2].strip.should.equal(`Expected:to end with "other"`); - msg.split("\n")[3].strip.should.equal(`Actual:"test string"`); - }); - - it("should throw a detailed error when the string does not end with the char what was expected", { - auto msg = ({ - expect(testValue).to.endWith('o'); - }).should.throwException!TestException.msg; - - msg.split("\n")[0].should.contain(`"test string" should end with 'o'. "test string" does not end with 'o'.`); - msg.split("\n")[2].strip.should.equal(`Expected:to end with 'o'`); - msg.split("\n")[3].strip.should.equal(`Actual:"test string"`); - }); - - it("should throw a detailed error when the string does end with the unexpected substring", { - auto msg = ({ - expect(testValue).to.not.endWith("string"); - }).should.throwException!TestException.msg; - - msg.split("\n")[0].should.contain(`"test string" should not end with "string". "test string" ends with "string".`); - msg.split("\n")[2].strip.should.equal(`Expected:to not end with "string"`); - msg.split("\n")[3].strip.should.equal(`Actual:"test string"`); - }); - - it("should throw a detailed error when the string does end with the unexpected char", { - auto msg = ({ - expect(testValue).to.not.endWith('g'); - }).should.throwException!TestException.msg; - - msg.split("\n")[0].should.contain(`"test string" should not end with 'g'. "test string" ends with 'g'.`); - msg.split("\n")[2].strip.should.equal(`Expected:to not end with 'g'`); - msg.split("\n")[3].strip.should.equal(`Actual:"test string"`); - }); - }); - } -}); diff --git a/test/operations/equal.d b/test/operations/equal.d deleted file mode 100644 index 706f935c..00000000 --- a/test/operations/equal.d +++ /dev/null @@ -1,302 +0,0 @@ -module test.operations.equal; - -import fluentasserts.core.serializers; -import fluentasserts.core.expect; -import fluent.asserts; - -import trial.discovery.spec; - -import std.string; -import std.conv; -import std.meta; -import std.datetime; - -alias s = Spec!({ - - alias StringTypes = AliasSeq!(string, wstring, dstring); - - static foreach(Type; StringTypes) { - describe("using " ~ Type.stringof ~ " values", { - Type testValue; - Type otherTestValue; - - before({ - testValue = "test string".to!Type; - otherTestValue = "test".to!Type; - }); - - it("should be able to compare two exact strings", { - expect("test string").to.equal("test string"); - }); - - it("should be able to check if two strings are not equal", { - expect("test string").to.not.equal("test"); - }); - - it("should throw an exception with a detailed message when the strings are not equal", { - auto msg = ({ - expect("test string").to.equal("test"); - }).should.throwException!TestException.msg; - - msg.split("\n")[0].should.equal(`"test string" should equal "test". "test string" is not equal to "test".`); - }); - - it("should throw an exception with a detailed message when the strings should not be equal", { - auto msg = ({ - expect("test string").to.not.equal("test string"); - }).should.throwException!TestException.msg; - - msg.split("\n")[0].should.equal(`"test string" should not equal "test string". "test string" is equal to "test string".`); - }); - - it("should show the null chars in the detailed message", { - auto msg = ({ - ubyte[] data = [115, 111, 109, 101, 32, 100, 97, 116, 97, 0, 0]; - expect(data.assumeUTF.to!Type).to.equal("some data"); - }).should.throwException!TestException.msg; - - msg.should.contain(`Actual:"some data\0\0"`); - msg.should.contain(`some data[+\0\0]`); - }); - }); - } - - alias NumericTypes = AliasSeq!(byte, ubyte, short, ushort, int, uint, long, ulong, float, double, real /*, ifloat, idouble, ireal, cfloat, cdouble, creal*/); - - static foreach(Type; NumericTypes) { - describe("using " ~ Type.stringof ~ " values", { - Type testValue; - Type otherTestValue; - - static if(is(ifloat == Type) || is(idouble == Type) || is(ireal == Type)) { - before({ - testValue = 40i; - otherTestValue = 50i; - }); - } else { - before({ - testValue = cast(Type) 40; - otherTestValue = cast(Type) 50; - }); - } - - it("should be able to compare two exact values", { - expect(testValue).to.equal(testValue); - }); - - it("should be able to check if two values are not equal", { - expect(testValue).to.not.equal(otherTestValue); - }); - - it("should throw an exception with a detailed message when the strings are not equal", { - auto msg = ({ - expect(testValue).to.equal(otherTestValue); - }).should.throwException!TestException.msg; - - msg.split("\n")[0].should.equal(testValue.to!string ~ ` should equal ` ~ otherTestValue.to!string ~ `. ` ~ testValue.to!string ~ ` is not equal to ` ~ otherTestValue.to!string ~ `.`); - }); - - it("should throw an exception with a detailed message when the strings should not be equal", { - auto msg = ({ - expect(testValue).to.not.equal(testValue); - }).should.throwException!TestException.msg; - - msg.split("\n")[0].should.equal(testValue.to!string ~ ` should not equal ` ~ testValue.to!string ~ `. ` ~ testValue.to!string ~ ` is equal to ` ~ testValue.to!string ~ `.`); - }); - }); - } - - describe("using booleans", { - it("should compare two true values", { - expect(true).to.equal(true); - }); - - it("should compare two false values", { - expect(false).to.equal(false); - }); - - it("should be able to compare that two bools that are not equal", { - expect(true).to.not.equal(false); - expect(false).to.not.equal(true); - }); - - it("should throw a detailed error message when the two bools are not equal", { - auto msg = ({ - expect(true).to.equal(false); - }).should.throwException!TestException.msg.split("\n"); - - msg[0].strip.should.equal("true should equal false."); - msg[2].strip.should.equal("Expected:false"); - msg[3].strip.should.equal("Actual:true"); - }); - }); - - describe("using durations", { - it("should compare two true values", { - expect(2.seconds).to.equal(2.seconds); - }); - - it("should be able to compare that two bools that are not equal", { - expect(2.seconds).to.not.equal(3.seconds); - expect(3.seconds).to.not.equal(2.seconds); - }); - - it("should throw a detailed error message when the two bools are not equal", { - auto msg = ({ - expect(3.seconds).to.equal(2.seconds); - }).should.throwException!TestException.msg.split("\n"); - - msg[0].strip.should.equal("3 secs should equal 2 secs. 3000000000 is not equal to 2000000000."); - }); - }); - - describe("using objects without custom opEquals", { - Object testValue; - Object otherTestValue; - string niceTestValue; - string niceOtherTestValue; - - before({ - testValue = new Object(); - otherTestValue = new Object(); - - niceTestValue = SerializerRegistry.instance.niceValue(testValue); - niceOtherTestValue = SerializerRegistry.instance.niceValue(otherTestValue); - }); - - it("should be able to compare two exact values", { - expect(testValue).to.equal(testValue); - }); - - it("should be able to check if two values are not equal", { - expect(testValue).to.not.equal(otherTestValue); - }); - - it("should throw an exception with a detailed message when the strings are not equal", { - auto msg = ({ - expect(testValue).to.equal(otherTestValue); - }).should.throwException!TestException.msg; - - msg.split("\n")[0].should.equal(niceTestValue.to!string ~ ` should equal ` ~ niceOtherTestValue.to!string ~ `. ` ~ niceTestValue.to!string ~ ` is not equal to ` ~ niceOtherTestValue.to!string ~ `.`); - }); - - it("should throw an exception with a detailed message when the strings should not be equal", { - auto msg = ({ - expect(testValue).to.not.equal(testValue); - }).should.throwException!TestException.msg; - - msg.split("\n")[0].should.equal(niceTestValue.to!string ~ ` should not equal ` ~ niceTestValue.to!string ~ `. ` ~ niceTestValue.to!string ~ ` is equal to ` ~ niceTestValue.to!string ~ `.`); - }); - }); - - describe("using objects with custom opEquals", { - Thing testValue; - Thing sameTestValue; - Thing otherTestValue; - - string niceTestValue; - string niceSameTestValue; - string niceOtherTestValue; - - before({ - testValue = new Thing(1); - sameTestValue = new Thing(1); - otherTestValue = new Thing(2); - - niceTestValue = SerializerRegistry.instance.niceValue(testValue); - niceSameTestValue = SerializerRegistry.instance.niceValue(sameTestValue); - niceOtherTestValue = SerializerRegistry.instance.niceValue(otherTestValue); - }); - - it("should be able to compare two exact values", { - expect(testValue).to.equal(testValue); - }); - - - it("should be able to compare two objects with the same fields", { - expect(testValue).to.equal(sameTestValue); - expect(testValue).to.equal(cast(Object) sameTestValue); - }); - - it("should be able to check if two values are not equal", { - expect(testValue).to.not.equal(otherTestValue); - }); - - it("should throw an exception with a detailed message when the strings are not equal", { - auto msg = ({ - expect(testValue).to.equal(otherTestValue); - }).should.throwException!TestException.msg; - - msg.split("\n")[0].should.equal(niceTestValue.to!string ~ ` should equal ` ~ niceOtherTestValue.to!string ~ `. ` ~ niceTestValue.to!string ~ ` is not equal to ` ~ niceOtherTestValue.to!string ~ `.`); - }); - - it("should throw an exception with a detailed message when the strings should not be equal", { - auto msg = ({ - expect(testValue).to.not.equal(testValue); - }).should.throwException!TestException.msg; - - msg.split("\n")[0].should.equal(niceTestValue.to!string ~ ` should not equal ` ~ niceTestValue.to!string ~ `. ` ~ niceTestValue.to!string ~ ` is equal to ` ~ niceTestValue.to!string ~ `.`); - }); - }); - - describe("using assoc arrays", { - string[string] testValue; - string[string] sameTestValue; - string[string] otherTestValue; - - string niceTestValue; - string niceSameTestValue; - string niceOtherTestValue; - - before({ - testValue = ["b": "2", "a": "1", "c": "3"]; - sameTestValue = ["a": "1", "b": "2", "c": "3"]; - otherTestValue = ["a": "3", "b": "2", "c": "1"]; - - niceTestValue = SerializerRegistry.instance.niceValue(testValue); - niceSameTestValue = SerializerRegistry.instance.niceValue(sameTestValue); - niceOtherTestValue = SerializerRegistry.instance.niceValue(otherTestValue); - }); - - it("should be able to compare two exact values", { - expect(testValue).to.equal(testValue); - }); - - - it("should be able to compare two objects with the same fields", { - expect(testValue).to.equal(sameTestValue); - }); - - it("should be able to check if two values are not equal", { - expect(testValue).to.not.equal(otherTestValue); - }); - - it("should throw an exception with a detailed message when the strings are not equal", { - auto msg = ({ - expect(testValue).to.equal(otherTestValue); - }).should.throwException!TestException.msg; - - msg.split("\n")[0].should.equal(niceTestValue.to!string ~ ` should equal ` ~ niceOtherTestValue.to!string ~ `.`); - }); - - it("should throw an exception with a detailed message when the strings should not be equal", { - auto msg = ({ - expect(testValue).to.not.equal(testValue); - }).should.throwException!TestException.msg; - - msg.split("\n")[0].should.equal(niceTestValue.to!string ~ ` should not equal ` ~ niceTestValue.to!string ~ `.`); - }); - }); -}); - -version(unittest) : -class Thing { - int x; - this(int x) { this.x = x; } - override bool opEquals(Object o) { - if(typeid(this) != typeid(o)) return false; - alias a = this; - auto b = cast(typeof(this)) o; - return a.x == b.x; - } -} \ No newline at end of file diff --git a/test/operations/greaterOrEqualTo.d b/test/operations/greaterOrEqualTo.d deleted file mode 100644 index 4d770a66..00000000 --- a/test/operations/greaterOrEqualTo.d +++ /dev/null @@ -1,124 +0,0 @@ -module test.operations.greaterOrEqualTo; - -import fluentasserts.core.expect; -import fluent.asserts; - -import trial.discovery.spec; - -import std.string; -import std.conv; -import std.meta; -import std.datetime; - -alias s = Spec!({ - alias NumericTypes = AliasSeq!(byte, ubyte, short, ushort, int, uint, long, ulong, float, double, real); - - static foreach(Type; NumericTypes) { - describe("using " ~ Type.stringof ~ " values", { - Type smallValue; - Type largeValue; - - before({ - smallValue = cast(Type) 40; - largeValue = cast(Type) 50; - }); - - it("should be able to compare two values", { - expect(largeValue).to.be.greaterOrEqualTo(smallValue); - expect(largeValue).to.be.greaterOrEqualTo(largeValue); - }); - - it("should be able to compare two values using negation", { - expect(smallValue).not.to.be.greaterOrEqualTo(largeValue); - }); - - it("should throw a detailed error when the comparison fails", { - auto msg = ({ - expect(smallValue).to.be.greaterOrEqualTo(largeValue); - }).should.throwException!TestException.msg; - - msg.split("\n")[0].should.equal(smallValue.to!string ~ " should be greater or equal to " ~ largeValue.to!string ~ ". " ~ smallValue.to!string ~ " is less than " ~ largeValue.to!string ~ "."); - msg.split("\n")[2].strip.should.equal("Expected:greater or equal than " ~ largeValue.to!string); - msg.split("\n")[3].strip.should.equal("Actual:" ~ smallValue.to!string); - }); - - it("should throw a detailed error when the negated coparison fails", { - auto msg = ({ - expect(largeValue).not.to.be.greaterOrEqualTo(smallValue); - }).should.throwException!TestException.msg; - - msg.split("\n")[0].should.equal(largeValue.to!string ~ " should not be greater or equal to " ~ smallValue.to!string ~ ". " ~ largeValue.to!string ~ " is greater or equal than " ~ smallValue.to!string ~ "."); - msg.split("\n")[2].strip.should.equal("Expected:less than " ~ smallValue.to!string); - msg.split("\n")[3].strip.should.equal("Actual:" ~ largeValue.to!string); - }); - }); - } - - describe("using Duration values", { - Duration smallValue; - Duration largeValue; - - before({ - smallValue = 40.seconds; - largeValue = 41.seconds; - }); - - it("should be able to compare two values", { - expect(largeValue).to.be.greaterOrEqualTo(smallValue); - }); - - it("should be able to compare two values using negation", { - expect(smallValue).not.to.be.greaterOrEqualTo(largeValue); - }); - - it("should not throw a detailed error when the number is compared with itself", { - expect(smallValue).to.be.greaterOrEqualTo(smallValue); - }); - - it("should throw a detailed error when the negated comparison fails", { - auto msg = ({ - expect(largeValue).not.to.be.greaterOrEqualTo(smallValue); - }).should.throwException!TestException.msg; - - msg.split("\n")[0].should.equal(largeValue.to!string ~ " should not be greater or equal to " ~ smallValue.to!string ~ ". " ~ - largeValue.to!string ~ " is greater or equal than " ~ smallValue.to!string ~ "."); - msg.split("\n")[2].strip.should.equal("Expected:less than " ~ smallValue.to!string); - msg.split("\n")[3].strip.should.equal("Actual:" ~ largeValue.to!string); - }); - }); - - describe("using SysTime values", { - SysTime smallValue; - SysTime largeValue; - - before({ - smallValue = Clock.currTime; - largeValue = smallValue + 4.seconds; - }); - - it("should be able to compare two values", { - expect(largeValue).to.be.greaterOrEqualTo(smallValue); - expect(largeValue).to.be.above(smallValue); - }); - - it("should be able to compare two values using negation", { - expect(smallValue).not.to.be.greaterOrEqualTo(largeValue); - expect(smallValue).not.to.be.above(largeValue); - }); - - it("should not throw a detailed error when the number is compared with itself", { - expect(smallValue).to.be.greaterOrEqualTo(smallValue); - }); - - it("should throw a detailed error when the negated comparison fails", { - auto msg = ({ - expect(largeValue).not.to.be.greaterOrEqualTo(smallValue); - }).should.throwException!TestException.msg; - - msg.split("\n")[0].should.equal(largeValue.toISOExtString ~ " should not be greater or equal to " ~ smallValue.toISOExtString ~ ". " ~ - largeValue.toISOExtString ~ " is greater or equal than " ~ smallValue.toISOExtString ~ "."); - msg.split("\n")[2].strip.should.equal("Expected:less than " ~ smallValue.toISOExtString); - msg.split("\n")[3].strip.should.equal("Actual:" ~ largeValue.toISOExtString); - }); - }); -}); diff --git a/test/operations/greaterThan.d b/test/operations/greaterThan.d deleted file mode 100644 index c9b45e19..00000000 --- a/test/operations/greaterThan.d +++ /dev/null @@ -1,147 +0,0 @@ -module test.operations.greaterThan; - -import fluentasserts.core.expect; -import fluent.asserts; - -import trial.discovery.spec; - -import std.string; -import std.conv; -import std.meta; -import std.datetime; - -alias s = Spec!({ - alias NumericTypes = AliasSeq!(byte, ubyte, short, ushort, int, uint, long, ulong, float, double, real); - - static foreach(Type; NumericTypes) { - describe("using " ~ Type.stringof ~ " values", { - Type smallValue; - Type largeValue; - - before({ - smallValue = cast(Type) 40; - largeValue = cast(Type) 50; - }); - - it("should be able to compare two values", { - expect(largeValue).to.be.greaterThan(smallValue); - expect(largeValue).to.be.above(smallValue); - }); - - it("should be able to compare two values using negation", { - expect(smallValue).not.to.be.greaterThan(largeValue); - expect(smallValue).not.to.be.above(largeValue); - }); - - it("should throw a detailed error when the number is compared with itself", { - auto msg = ({ - expect(smallValue).to.be.greaterThan(smallValue); - }).should.throwException!TestException.msg; - - msg.split("\n")[0].should.equal(smallValue.to!string ~ " should be greater than " ~ smallValue.to!string ~ ". " ~ smallValue.to!string ~ " is less than or equal to " ~ smallValue.to!string ~ "."); - msg.split("\n")[2].strip.should.equal("Expected:greater than " ~ smallValue.to!string); - msg.split("\n")[3].strip.should.equal("Actual:" ~ smallValue.to!string); - }); - - it("should throw a detailed error when the comparison fails", { - auto msg = ({ - expect(smallValue).to.be.greaterThan(largeValue); - }).should.throwException!TestException.msg; - - msg.split("\n")[0].should.equal(smallValue.to!string ~ " should be greater than " ~ largeValue.to!string ~ ". " ~ smallValue.to!string ~ " is less than or equal to " ~ largeValue.to!string ~ "."); - msg.split("\n")[2].strip.should.equal("Expected:greater than " ~ largeValue.to!string); - msg.split("\n")[3].strip.should.equal("Actual:" ~ smallValue.to!string); - }); - - it("should throw a detailed error when the negated coparison fails", { - auto msg = ({ - expect(largeValue).not.to.be.greaterThan(smallValue); - }).should.throwException!TestException.msg; - - msg.split("\n")[0].should.equal(largeValue.to!string ~ " should not be greater than " ~ smallValue.to!string ~ ". " ~ largeValue.to!string ~ " is greater than " ~ smallValue.to!string ~ "."); - msg.split("\n")[2].strip.should.equal("Expected:less than or equal to " ~ smallValue.to!string); - msg.split("\n")[3].strip.should.equal("Actual:" ~ largeValue.to!string); - }); - }); - } - - describe("using Duration values", { - Duration smallValue; - Duration largeValue; - - before({ - smallValue = 40.seconds; - largeValue = 41.seconds; - }); - - it("should be able to compare two values", { - expect(largeValue).to.be.greaterThan(smallValue); - expect(largeValue).to.be.above(smallValue); - }); - - it("should be able to compare two values using negation", { - expect(smallValue).not.to.be.greaterThan(largeValue); - expect(smallValue).not.to.be.above(largeValue); - }); - - it("should throw a detailed error when the number is compared with itself", { - auto msg = ({ - expect(smallValue).to.be.greaterThan(smallValue); - }).should.throwException!TestException.msg; - - msg.split("\n")[0].should.equal(smallValue.to!string ~ " should be greater than " ~ smallValue.to!string ~ ". " ~ smallValue.to!string ~ " is less than or equal to " ~ smallValue.to!string ~ "."); - msg.split("\n")[2].strip.should.equal("Expected:greater than " ~ smallValue.to!string); - msg.split("\n")[3].strip.should.equal("Actual:" ~ smallValue.to!string); - }); - - it("should throw a detailed error when the negated comparison fails", { - auto msg = ({ - expect(largeValue).not.to.be.greaterThan(smallValue); - }).should.throwException!TestException.msg; - - msg.split("\n")[0].should.equal(largeValue.to!string ~ " should not be greater than " ~ smallValue.to!string ~ ". " ~ largeValue.to!string ~ " is greater than " ~ smallValue.to!string ~ "."); - msg.split("\n")[2].strip.should.equal("Expected:less than or equal to " ~ smallValue.to!string); - msg.split("\n")[3].strip.should.equal("Actual:" ~ largeValue.to!string); - }); - }); - - describe("using SysTime values", { - SysTime smallValue; - SysTime largeValue; - - before({ - smallValue = Clock.currTime; - largeValue = smallValue + 4.seconds; - }); - - it("should be able to compare two values", { - expect(largeValue).to.be.greaterThan(smallValue); - expect(largeValue).to.be.above(smallValue); - }); - - it("should be able to compare two values using negation", { - expect(smallValue).not.to.be.greaterThan(largeValue); - expect(smallValue).not.to.be.above(largeValue); - }); - - it("should throw a detailed error when the number is compared with itself", { - auto msg = ({ - expect(smallValue).to.be.greaterThan(smallValue); - }).should.throwException!TestException.msg; - - msg.split("\n")[0].should.equal(smallValue.toISOExtString ~ " should be greater than " ~ smallValue.toISOExtString ~ ". " ~ smallValue.toISOExtString ~ " is less than or equal to " ~ smallValue.toISOExtString ~ "."); - msg.split("\n")[2].strip.should.equal("Expected:greater than " ~ smallValue.toISOExtString); - msg.split("\n")[3].strip.should.equal("Actual:" ~ smallValue.toISOExtString); - }); - - it("should throw a detailed error when the negated comparison fails", { - auto msg = ({ - expect(largeValue).not.to.be.greaterThan(smallValue); - }).should.throwException!TestException.msg; - - msg.split("\n")[0].should.equal(largeValue.toISOExtString ~ " should not be greater than " ~ smallValue.toISOExtString ~ ". " ~ largeValue.toISOExtString ~ " is greater than " ~ smallValue.toISOExtString ~ "."); - msg.split("\n")[2].strip.should.equal("Expected:less than or equal to " ~ smallValue.toISOExtString); - msg.split("\n")[3].strip.should.equal("Actual:" ~ largeValue.toISOExtString); - }); - }); -}); diff --git a/test/operations/instanceOf.d b/test/operations/instanceOf.d deleted file mode 100644 index 63772f0b..00000000 --- a/test/operations/instanceOf.d +++ /dev/null @@ -1,65 +0,0 @@ -module test.operations.instanceOf; - -import fluentasserts.core.expect; -import fluent.asserts; - -import trial.discovery.spec; - -import std.string; -import std.conv; -import std.meta; - -alias s = Spec!({ - alias NumericTypes = AliasSeq!(byte, ubyte, short, ushort, int, uint, long, ulong, float, double, real); - - - it("should not throw when comparing an object", { - auto value = new Object(); - - expect(value).to.be.instanceOf!Object; - expect(value).to.not.be.instanceOf!string; - }); - - it("should not throw when comparing an Exception with an Object", { - auto value = new Exception("some test"); - - expect(value).to.be.instanceOf!Exception; - expect(value).to.be.instanceOf!Object; - expect(value).to.not.be.instanceOf!string; - }); - - static foreach(Type; NumericTypes) { - describe("using " ~ Type.stringof ~ " values", { - Type value; - - before({ - value = cast(Type) 40; - }); - - it("should be able to compare two types", { - expect(value).to.be.instanceOf!Type; - expect(value).to.not.be.instanceOf!string; - }); - - it("should throw a detailed error when the types do not match", { - auto msg = ({ - expect(value).to.be.instanceOf!string; - }).should.throwException!TestException.msg; - - msg.split("\n")[0].should.equal(value.to!string ~ ` should be instance of "string". ` ~ value.to!string ~ " is instance of " ~ Type.stringof ~ "."); - msg.split("\n")[2].strip.should.equal("Expected:typeof string"); - msg.split("\n")[3].strip.should.equal("Actual:typeof " ~ Type.stringof); - }); - - it("should throw a detailed error when the types match and they should not", { - auto msg = ({ - expect(value).to.not.be.instanceOf!Type; - }).should.throwException!TestException.msg; - - msg.split("\n")[0].should.equal(value.to!string ~ ` should not be instance of "` ~ Type.stringof ~ `". ` ~ value.to!string ~ " is instance of " ~ Type.stringof ~ "."); - msg.split("\n")[2].strip.should.equal("Expected:not typeof " ~ Type.stringof); - msg.split("\n")[3].strip.should.equal("Actual:typeof " ~ Type.stringof); - }); - }); - } -}); diff --git a/test/operations/lessOrEqualTo.d b/test/operations/lessOrEqualTo.d deleted file mode 100644 index da0e6e77..00000000 --- a/test/operations/lessOrEqualTo.d +++ /dev/null @@ -1,56 +0,0 @@ -module test.operations.lessOrEqualTo; - -import fluentasserts.core.expect; -import fluent.asserts; - -import trial.discovery.spec; - -import std.string; -import std.conv; -import std.meta; -import std.datetime; - -alias s = Spec!({ - alias NumericTypes = AliasSeq!(byte, ubyte, short, ushort, int, uint, long, ulong, float, double, real); - - static foreach(Type; NumericTypes) { - describe("using " ~ Type.stringof ~ " values", { - Type smallValue; - Type largeValue; - - before({ - smallValue = cast(Type) 40; - largeValue = cast(Type) 50; - }); - - it("should be able to compare two values", { - expect(smallValue).to.be.lessOrEqualTo(largeValue); - expect(smallValue).to.be.lessOrEqualTo(smallValue); - }); - - it("should be able to compare two values using negation", { - expect(largeValue).not.to.be.lessOrEqualTo(smallValue); - }); - - it("should throw a detailed error when the comparison fails", { - auto msg = ({ - expect(largeValue).to.be.lessOrEqualTo(smallValue); - }).should.throwException!TestException.msg; - - msg.split("\n")[0].should.equal(largeValue.to!string ~ " should be less or equal to " ~ smallValue.to!string ~ ". " ~ largeValue.to!string ~ " is greater than " ~ smallValue.to!string ~ "."); - msg.split("\n")[2].strip.should.equal("Expected:less or equal to " ~ smallValue.to!string); - msg.split("\n")[3].strip.should.equal("Actual:" ~ largeValue.to!string); - }); - - it("should throw a detailed error when the negated comparison fails", { - auto msg = ({ - expect(smallValue).not.to.be.lessOrEqualTo(largeValue); - }).should.throwException!TestException.msg; - - msg.split("\n")[0].should.equal(smallValue.to!string ~ " should not be less or equal to " ~ largeValue.to!string ~ ". " ~ smallValue.to!string ~ " is less or equal to " ~ largeValue.to!string ~ "."); - msg.split("\n")[2].strip.should.equal("Expected:greater than " ~ largeValue.to!string); - msg.split("\n")[3].strip.should.equal("Actual:" ~ smallValue.to!string); - }); - }); - } -}); diff --git a/test/operations/lessThan.d b/test/operations/lessThan.d deleted file mode 100644 index 7352200b..00000000 --- a/test/operations/lessThan.d +++ /dev/null @@ -1,137 +0,0 @@ -module test.operations.lessThan; - -import fluentasserts.core.expect; -import fluent.asserts; - -import trial.discovery.spec; - -import std.string; -import std.conv; -import std.meta; -import std.datetime; - -alias s = Spec!({ - alias NumericTypes = AliasSeq!(byte, ubyte, short, ushort, int, uint, long, ulong, float, double, real); - - static foreach(Type; NumericTypes) { - describe("using " ~ Type.stringof ~ " values", { - Type smallValue; - Type largeValue; - - before({ - smallValue = cast(Type) 40; - largeValue = cast(Type) 50; - }); - - it("should be able to compare two values", { - expect(smallValue).to.be.lessThan(largeValue); - expect(smallValue).to.be.below(largeValue); - }); - - it("should be able to compare two values using negation", { - expect(largeValue).not.to.be.lessThan(smallValue); - expect(largeValue).not.to.be.below(smallValue); - }); - - it("should throw a detailed error when the number is compared with itself", { - auto msg = ({ - expect(smallValue).to.be.lessThan(smallValue); - }).should.throwException!TestException.msg; - - msg.split("\n")[0].should.equal(smallValue.to!string ~ " should be less than " ~ smallValue.to!string ~ ". " ~ smallValue.to!string ~ " is greater than or equal to " ~ smallValue.to!string ~ "."); - msg.split("\n")[2].strip.should.equal("Expected:less than " ~ smallValue.to!string); - msg.split("\n")[3].strip.should.equal("Actual:" ~ smallValue.to!string); - }); - - it("should throw a detailed error when the negated comparison fails", { - auto msg = ({ - expect(smallValue).not.to.be.lessThan(largeValue); - }).should.throwException!TestException.msg; - - msg.split("\n")[0].should.equal(smallValue.to!string ~ " should not be less than " ~ largeValue.to!string ~ ". " ~ smallValue.to!string ~ " is less than " ~ largeValue.to!string ~ "."); - msg.split("\n")[2].strip.should.equal("Expected:greater than or equal to " ~ largeValue.to!string); - msg.split("\n")[3].strip.should.equal("Actual:" ~ smallValue.to!string); - }); - }); - } - - describe("using Duration values", { - Duration smallValue; - Duration largeValue; - - before({ - smallValue = 40.seconds; - largeValue = 41.seconds; - }); - - it("should be able to compare two values", { - expect(smallValue).to.be.lessThan(largeValue); - expect(smallValue).to.be.below(largeValue); - }); - - it("should be able to compare two values using negation", { - expect(largeValue).not.to.be.lessThan(smallValue); - expect(largeValue).not.to.be.below(smallValue); - }); - - it("should throw a detailed error when the number is compared with itself", { - auto msg = ({ - expect(smallValue).to.be.lessThan(smallValue); - }).should.throwException!TestException.msg; - - msg.split("\n")[0].should.equal(smallValue.to!string ~ " should be less than " ~ smallValue.to!string ~ ". " ~ smallValue.to!string ~ " is greater than or equal to " ~ smallValue.to!string ~ "."); - msg.split("\n")[2].strip.should.equal("Expected:less than " ~ smallValue.to!string); - msg.split("\n")[3].strip.should.equal("Actual:" ~ smallValue.to!string); - }); - - it("should throw a detailed error when the negated comparison fails", { - auto msg = ({ - expect(smallValue).not.to.be.lessThan(largeValue); - }).should.throwException!TestException.msg; - - msg.split("\n")[0].should.equal(smallValue.to!string ~ " should not be less than " ~ largeValue.to!string ~ ". " ~ smallValue.to!string ~ " is less than " ~ largeValue.to!string ~ "."); - msg.split("\n")[2].strip.should.equal("Expected:greater than or equal to " ~ largeValue.to!string); - msg.split("\n")[3].strip.should.equal("Actual:" ~ smallValue.to!string); - }); - }); - - describe("using SysTime values", { - SysTime smallValue; - SysTime largeValue; - - before({ - smallValue = Clock.currTime; - largeValue = smallValue + 4.seconds; - }); - - it("should be able to compare two values", { - expect(smallValue).to.be.lessThan(largeValue); - expect(smallValue).to.be.below(largeValue); - }); - - it("should be able to compare two values using negation", { - expect(largeValue).not.to.be.lessThan(smallValue); - expect(largeValue).not.to.be.below(smallValue); - }); - - it("should throw a detailed error when the number is compared with itself", { - auto msg = ({ - expect(smallValue).to.be.lessThan(smallValue); - }).should.throwException!TestException.msg; - - msg.split("\n")[0].should.equal(smallValue.toISOExtString ~ " should be less than " ~ smallValue.toISOExtString ~ ". " ~ smallValue.toISOExtString ~ " is greater than or equal to " ~ smallValue.toISOExtString ~ "."); - msg.split("\n")[2].strip.should.equal("Expected:less than " ~ smallValue.toISOExtString); - msg.split("\n")[3].strip.should.equal("Actual:" ~ smallValue.toISOExtString); - }); - - it("should throw a detailed error when the negated comparison fails", { - auto msg = ({ - expect(smallValue).not.to.be.lessThan(largeValue); - }).should.throwException!TestException.msg; - - msg.split("\n")[0].should.equal(smallValue.toISOExtString ~ " should not be less than " ~ largeValue.toISOExtString ~ ". " ~ smallValue.toISOExtString ~ " is less than " ~ largeValue.toISOExtString ~ "."); - msg.split("\n")[2].strip.should.equal("Expected:greater than or equal to " ~ largeValue.toISOExtString); - msg.split("\n")[3].strip.should.equal("Actual:" ~ smallValue.toISOExtString); - }); - }); -}); diff --git a/test/operations/startWith.d b/test/operations/startWith.d deleted file mode 100644 index 964d9fdc..00000000 --- a/test/operations/startWith.d +++ /dev/null @@ -1,81 +0,0 @@ -module test.operations.startWith; - -import fluentasserts.core.expect; -import fluent.asserts; - -import trial.discovery.spec; - -import std.string; -import std.conv; -import std.meta; - -alias s = Spec!({ - - alias StringTypes = AliasSeq!(string, wstring, dstring); - - static foreach(Type; StringTypes) { - describe("using " ~ Type.stringof ~ " values", { - Type testValue; - - before({ - testValue = "test string".to!Type; - }); - - it("should check that a string starts with a certain substring", { - expect(testValue).to.startWith("test"); - }); - - it("should check that a string starts with a certain char", { - expect(testValue).to.startWith('t'); - }); - - it("should check that a string does not start with a certain substring", { - expect(testValue).to.not.startWith("other"); - }); - - it("should check that a string does not start with a certain char", { - expect(testValue).to.not.startWith('o'); - }); - - it("should throw a detailed error when the string does not start with the substring what was expected", { - auto msg = ({ - expect(testValue).to.startWith("other"); - }).should.throwException!TestException.msg; - - msg.split("\n")[0].should.contain(`"test string" should start with "other". "test string" does not start with "other".`); - msg.split("\n")[2].strip.should.equal(`Expected:to start with "other"`); - msg.split("\n")[3].strip.should.equal(`Actual:"test string"`); - }); - - it("should throw a detailed error when the string does not start with the char what was expected", { - auto msg = ({ - expect(testValue).to.startWith('o'); - }).should.throwException!TestException.msg; - - msg.split("\n")[0].should.contain(`"test string" should start with 'o'. "test string" does not start with 'o'.`); - msg.split("\n")[2].strip.should.equal(`Expected:to start with 'o'`); - msg.split("\n")[3].strip.should.equal(`Actual:"test string"`); - }); - - it("should throw a detailed error when the string does start with the unexpected substring", { - auto msg = ({ - expect(testValue).to.not.startWith("test"); - }).should.throwException!TestException.msg; - - msg.split("\n")[0].should.contain(`"test string" should not start with "test". "test string" starts with "test".`); - msg.split("\n")[2].strip.should.equal(`Expected:to not start with "test"`); - msg.split("\n")[3].strip.should.equal(`Actual:"test string"`); - }); - - it("should throw a detailed error when the string does start with the unexpected char", { - auto msg = ({ - expect(testValue).to.not.startWith('t'); - }).should.throwException!TestException.msg; - - msg.split("\n")[0].should.contain(`"test string" should not start with 't'. "test string" starts with 't'.`); - msg.split("\n")[2].strip.should.equal(`Expected:to not start with 't'`); - msg.split("\n")[3].strip.should.equal(`Actual:"test string"`); - }); - }); - } -}); diff --git a/test/test.sh b/test/test.sh deleted file mode 100755 index 358a1a36..00000000 --- a/test/test.sh +++ /dev/null @@ -1,25 +0,0 @@ -/+dub.sdl: -dependency "fluent-asserts" version= "~>0.13.3" -+/ - -import std.stdio; -import fluent.asserts; - -void f2() { - int k = 3; - Assert.equal(k, 4); -} - -void f1() { - int j = 2; - f2(); -} - -void f0() { - int i = 1; - f1(); -} - -void main() { - f0(); -} \ No newline at end of file diff --git a/test/unit-threaded/.gitignore b/test/unit-threaded/.gitignore deleted file mode 100644 index eec6d038..00000000 --- a/test/unit-threaded/.gitignore +++ /dev/null @@ -1,6 +0,0 @@ -.dub -docs.json -__dummy.html -*.o -*.obj -__test__*__ diff --git a/test/unit-threaded/dub.json b/test/unit-threaded/dub.json deleted file mode 100644 index 697aea10..00000000 --- a/test/unit-threaded/dub.json +++ /dev/null @@ -1,16 +0,0 @@ -{ - "name": "unit-threaded-example", - "authors": [ - "Szabo Bogdan" - ], - "description": "A minimal D application.", - "copyright": "Copyright © 2017, Szabo Bogdan", - "license": "MIT", - - "dependencies": { - "fluent-asserts": { - "path": "../../" - }, - "unit-threaded": "*" - } -} diff --git a/test/unit-threaded/source/app.d b/test/unit-threaded/source/app.d deleted file mode 100644 index b7ebe24d..00000000 --- a/test/unit-threaded/source/app.d +++ /dev/null @@ -1,21 +0,0 @@ -import std.stdio; -import std.traits; - -import fluent.asserts; -import unit_threaded.should : UnitTestException; - -int main() -{ - pragma(msg, "base classes:", BaseTypeTuple!TestException); - - try { - 0.should.equal(1); - } catch (UnitTestException e) { - writeln("Got the right exception"); - return 0; - } catch(Throwable t) { - t.writeln; - } - - return 1; -} diff --git a/test/vibe-0.8/dub.json b/test/vibe-0.8/dub.json deleted file mode 100644 index dc81c663..00000000 --- a/test/vibe-0.8/dub.json +++ /dev/null @@ -1,18 +0,0 @@ -{ - "name": "vibe-example", - "authors": [ - "Bogdan Szabo" - ], - "description": "A minimal D application.", - "copyright": "Copyright © 2018, Bogdan Szabo", - "license": "MIT", - "dependencies": { - "vibe-d:core": "~>0.8.0", - "vibe-d:redis": "~>0.8.0", - "vibe-d:data": "~>0.8.0", - "vibe-d:http": "~>0.8.0", - "fluent-asserts": { - "path": "../../" - } - } -} \ No newline at end of file diff --git a/test/vibe-0.8/source/app.d b/test/vibe-0.8/source/app.d deleted file mode 100644 index c3eec7f2..00000000 --- a/test/vibe-0.8/source/app.d +++ /dev/null @@ -1,6 +0,0 @@ -import std.stdio; - -void main() -{ - writeln("Edit source/app.d to start your project."); -} diff --git a/test/class.d b/testdata/class.d similarity index 100% rename from test/class.d rename to testdata/class.d diff --git a/test/values.d b/testdata/values.d similarity index 99% rename from test/values.d rename to testdata/values.d index b7d81561..7bedb553 100644 --- a/test/values.d +++ b/testdata/values.d @@ -102,4 +102,3 @@ unittest { }); }); } -