Update tests

Author: Septh

test/builtins.test.ts

@@ -4,84 +4,75 @@ import { initPlugin, callHook } from './_common.ts'
 test("Marks Node builtins external by default", async t => {
     const { plugin } = await initPlugin()
     for (const builtin of [ 'path', 'node:fs' ]) {
-        t.like(await callHook(plugin, 'resolveId', builtin), {
+        t.like(await callHook(plugin, 'resolveId', builtin, 'index.js'), {
             external: true
         })
     }
 })
 
 test("Does NOT mark Node builtins external when builtins=false", async t => {
-    const { plugin } = await initPlugin({
-        builtins: false
-    })
+    const { plugin } = await initPlugin({ builtins: false })
     for (const builtin of [ 'path', 'node:fs' ]) {
-        t.like(await callHook(plugin, 'resolveId', builtin), {
+        t.like(await callHook(plugin, 'resolveId', builtin, 'index.js'), {
             external: false
         })
     }
 })
 
-test("Marks Node builtins external when builtins=false and implicitly included", async t => {
-    const { plugin } = await initPlugin({
-        builtins: false,
-        include: [ 'path', 'node:fs' ]
-    })
+test("Does NOT mark Node builtins external when implicitely excluded", async t => {
+    const { plugin } = await initPlugin({ exclude: [ 'path', 'node:fs' ]})
     for (const builtin of [ 'path', 'node:fs' ]) {
-        t.like(await callHook(plugin, 'resolveId', builtin), {
-            external: true
+        t.like(await callHook(plugin, 'resolveId', builtin, 'index.js'), {
+            external: false
         })
     }
 })
 
-test("Does NOT mark Node builtins external when builtins=true implicitly excluded", async t => {
-    const { plugin } = await initPlugin({
-        builtins: true,
-        exclude: [ 'path', 'node:fs' ]
-    })
+test("Marks Node builtins external when builtins=false and implicitly included", async t => {
+    const { plugin } = await initPlugin({ builtins: false, include: [ 'path', 'node:fs' ] })
     for (const builtin of [ 'path', 'node:fs' ]) {
-        t.like(await callHook(plugin, 'resolveId', builtin), {
-            external: false
+        t.like(await callHook(plugin, 'resolveId', builtin, 'index.js'), {
+            external: true
         })
     }
 })
 
 test("Adds 'node:' prefix to builtins by default", async t => {
     const { plugin } = await initPlugin()
     for (const builtin of [ 'node:path', 'path' ]) {
-        t.like(await callHook(plugin, 'resolveId', builtin), {
+        t.like(await callHook(plugin, 'resolveId', builtin, 'index.js'), {
             id: 'node:path'
         })
     }
 })
 
 test("Removes 'node:' prefix when using builtinsPrefix='strip'", async t => {
-    const { plugin } = await initPlugin({
-        builtinsPrefix: 'strip'
-    })
+    const { plugin } = await initPlugin({ builtinsPrefix: 'strip' })
     for (const builtin of [ 'node:path', 'path' ]) {
-        t.like(await callHook(plugin, 'resolveId', builtin), {
+        t.like(await callHook(plugin, 'resolveId', builtin, 'index.js'), {
             id: 'path'
         })
     }
 })
 
-test("Ignores 'node:' prefix when using builtinsPrefix='ignore'", async t => {
-    const { plugin } = await initPlugin({
-        builtinsPrefix: 'ignore'
-    })
-    for (const builtin of [ 'node:path', 'path' ]) {
-        t.like(await callHook(plugin, 'resolveId', builtin), {
+test("Does NOT remove 'node:test' prefix even with builtinsPrefix='add'", async t => {
+    const { plugin } = await initPlugin({ builtinsPrefix: 'strip' })
+    for (const builtin of [ 'node:test' ]) {
+        t.like(await callHook(plugin, 'resolveId', builtin, 'index.js'), {
             id: builtin
         })
     }
 })
 
-test("Does NOT remove 'node:' prefix for specific builtins, even with builtinsPrefix='add'", async t => {
-    const { plugin } = await initPlugin({
-        builtinsPrefix: 'strip'
-    })
-    for (const builtin of [ 'node:test' ]) {
-        t.like(await callHook(plugin, 'resolveId', builtin), {
+test("Does not recognize 'test' as a Node builtin", async t => {
+    const { plugin } = await initPlugin()
+    t.is(await callHook(plugin, 'resolveId', 'node', 'index.js'), null)
+})
+
+test("Ignores 'node:' prefix when using builtinsPrefix='ignore'", async t => {
+    const { plugin } = await initPlugin({ builtinsPrefix: 'ignore' })
+    for (const builtin of [ 'node:path', 'path' ]) {
+        t.like(await callHook(plugin, 'resolveId', builtin, 'index.js'), {
             id: builtin
         })
     }

test/fixtures/package.json

@@ -4,5 +4,11 @@
   },
   "devDependencies": {
     "test-dev-dep": "*"
+  },
+  "peerDependencies": {
+    "test-peer-dep": "*"
+  },
+  "optionalDependencies": {
+    "test-opt-dep": "*"
   }
 }

test/monorepo.test.ts

@@ -7,40 +7,47 @@ test.serial('git monorepo usage', async t => {
     await fs.mkdir(fixture('01_monorepo/.git'), { recursive: true })
     process.chdir(fixture('01_monorepo/one'))
 
+    // Should gather dependencies up to ./test/fixtures/01_monorepo
     const { plugin } = await initPlugin()
 
     // Should be external
     for (const dependency of [
-        'moment',       // 01_monorepo/one/package.json
-        'chalk'         // 01_monorepo/package.json
+        'moment',       // dependency in ./test/fixtures/01_monorepo/one/package.json (picked)
+        'chalk'         // dependency in ./test/fixtures/01_monorepo/package.json (picked)
     ]) {
-        t.false(await callHook(plugin, 'resolveId', dependency))
+        t.false(await callHook(plugin, 'resolveId', dependency, 'index.js'))
     }
 
     // Should be ignored
     for (const dependency of [
-        'react',        // 01_monorepo/two/package.json
-        'test-dep'      // ./package.json
+        'react',        // dependency in ./test/fixtures/01_monorepo/two/package.json (not picked)
+        'test-dep'      // dependency in ./test/fixtures/package.json (not picked)
     ]) {
-        t.is(await callHook(plugin, 'resolveId', dependency), null)
+        t.is(await callHook(plugin, 'resolveId', dependency, 'index.js'), null)
     }
 })
 
-test.serial('no-git monorepo usage', async t => {
+test.serial('non-git monorepo usage', async t => {
     await fs.rmdir(fixture('01_monorepo/.git'))
     process.chdir(fixture('01_monorepo/one'))
 
+    // Should gather dependencies up to . !
     const { plugin } = await initPlugin()
 
     // Should be external
     for (const dependency of [
-        'moment',       // 01_monorepo/one/package.json
-        'chalk',        // 01_monorepo/package.json
-        'test-dep'      // ./package.json
+        'moment',       // dependency in ./test/fixtures/01_monorepo/one/package.json (picked)
+        'chalk',        // dependency in ./test/fixtures/01_monorepo/package.json (picked)
+        'test-dep',     // dependency in ./test/fixtures/package.json (picked)
+        'rollup',       // peer dependency in ./package.json (picked !)
     ]) {
-        t.false(await callHook(plugin, 'resolveId', dependency))
+        t.false(await callHook(plugin, 'resolveId', dependency, 'index.js'))
     }
 
     // Should be ignored
-    t.is(await callHook(plugin, 'resolveId', 'react'), null)
+    for (const dependency of [
+        'react'         // dependency in ./test/fixtures/01_monorepo/two/package.json (not picked)
+    ]) {
+        t.is(await callHook(plugin, 'resolveId', dependency, 'index.js'), null)
+    }
 })

test/options.test.ts

@@ -48,28 +48,11 @@ test.serial("Warns when given invalid include or exclude entry", async t => {
     t.is(warnings[0], `Ignoring wrong entry type #1 in 'include' option: ${JSON.stringify(notOkay)}`)
 })
 
-test('Marks dependencies as external by default', async t => {
-    const { plugin } = await initPlugin()
-    t.false(await callHook(plugin, 'resolveId', 'test-dep'))
-})
-
-test('Does NOT mark devDependencies as external by default', async t => {
-    const { plugin } = await initPlugin()
-    t.is(await callHook(plugin, 'resolveId', 'test-dev-dep'), null)
-})
-
-test('Does mark devDependencies as external when using devDeps=true', async t => {
-    const { plugin } = await initPlugin({
-        devDeps: true
-    })
-    t.false(await callHook(plugin, 'resolveId', 'test-dev-dep'))
-})
-
 test("Obeys 'packagePath' option (single file name)", async t => {
     const { plugin } = await initPlugin({
         packagePath: '00_simple/package.json'
     })
-    t.false(await callHook(plugin, 'resolveId', 'simple-dep'))
+    t.false(await callHook(plugin, 'resolveId', 'simple-dep', 'index.js'))
 })
 
 test("Obeys 'packagePath' option (multiple file names)", async t => {
@@ -85,6 +68,6 @@ test("Obeys 'packagePath' option (multiple file names)", async t => {
         'simple-dep',   // 00_simple/package.json
         'chalk',        // 01_monorepo/package.json
     ]) {
-        t.false(await callHook(plugin, 'resolveId', dependency))
+        t.false(await callHook(plugin, 'resolveId', dependency, 'index.js'))
     }
 })

test/specifier.test.ts

@@ -1,57 +1,125 @@
 import test from 'ava'
-import { initPlugin, callHook } from './_common.ts'
+import { initPlugin, callHook, fixture } from './_common.ts'
 
-const testSpecifiers = {
+const specifiers = {
     virtual:       [ '\\0virtual' ],
-    absolute:      [ '/root.js' ],
+    absolutePosix: [ '/root.js' ],
     absoluteWin32: [ '/root.js', '\\root.js', 'C:\\root.js' ],
-    bare:          [ 'bare' ],
+    bare:          [ 'foo', 'bar' ],
     relative:      [ './sibling.js', '../parent.js' ],
-    subpath:       [ 'lodash', 'lodash/flatten.js' ],
+    subpath:       [ 'lodash', 'lodash/flatten' ],
 }
 
-test("Always ignores virtual modules", async t => {
+test("Always ignores bundle entry point", async t => {
     const { plugin } = await initPlugin()
-    for (const specifier of testSpecifiers.virtual) {
-        t.is(await callHook(plugin, 'resolveId', specifier), null, `Failed on: ${specifier}`)
-    }
+    t.is(await callHook(plugin, 'resolveId', './path/to/entry.js', undefined), null)
+})
+
+test("Always ignores virtual modules from other plugins", async t => {
+    const { plugin } = await initPlugin()
+    t.is(await callHook(plugin, 'resolveId', '\\0virtual', undefined), null, `Failed without importer`)
+    t.is(await callHook(plugin, 'resolveId', '\\0virtual', 'file.js'), null, `Failed with importer`)
 })
 
 test("Always ignores absolute specifiers", async t => {
     const { plugin } = await initPlugin()
-    for (const specifier of testSpecifiers[process.platform === 'win32' ? 'absoluteWin32' : 'absolute']) {
-        t.is(await callHook(plugin, 'resolveId', specifier), null, `Failed on: ${specifier}`)
+    for (const specifier of specifiers[process.platform === 'win32' ? 'absoluteWin32' : 'absolutePosix']) {
+        t.is(await callHook(plugin, 'resolveId', specifier, undefined), null, `Failed on: ${specifier} without importer`)
+        t.is(await callHook(plugin, 'resolveId', specifier, 'file.js'), null, `Failed on: ${specifier} with importer`)
     }
 })
 
 test("Always ignores relative specifiers", async t => {
-    const { plugin } = await initPlugin()
-    for (const specifier of testSpecifiers.relative) {
-        t.is(await callHook(plugin, 'resolveId', specifier), null, `Failed on: ${specifier}`)
+    const { plugin } = await initPlugin({ include: specifiers.relative })
+    for (const specifier of specifiers.relative) {
+        t.is(await callHook(plugin, 'resolveId', specifier, undefined), null, `Failed on: ${specifier} without importer`)
+        t.is(await callHook(plugin, 'resolveId', specifier, 'file.js'), null, `Failed on: ${specifier} with importer`)
     }
 })
 
-test("Does NOT mark bare specifiers external by default", async t => {
+test("Marks dependencies external by default", async t => {
+    process.chdir(fixture())
     const { plugin } = await initPlugin()
-    for (const specifier of testSpecifiers.bare) {
-        t.is(await callHook(plugin, 'resolveId', specifier), null, `Failed on: ${specifier}`)
-    }
+    t.false(await callHook(plugin, 'resolveId', 'test-dep', 'index.js'))
 })
 
-test("Marks bare specifiers external when asked to", async t => {
-    const { plugin } = await initPlugin({
-        include: testSpecifiers.bare
-    })
-    for (const specifier of testSpecifiers.bare) {
-        t.is(await callHook(plugin, 'resolveId', specifier), false, `Failed on: ${specifier}`)
-    }
+test("Does NOT mark dependencies external when deps=false", async t => {
+    process.chdir(fixture())
+    const { plugin } = await initPlugin({ deps: false })
+    t.is(await callHook(plugin, 'resolveId', 'test-dep', 'index.js'), null)
+})
+
+test("Does NOT mark excluded dependencies external", async t => {
+    process.chdir(fixture())
+    const { plugin } = await initPlugin({ exclude: 'test-dep' })
+    t.is(await callHook(plugin, 'resolveId', 'test-dep', 'index.js'), null)
+})
+
+test("Marks peerDependencies external by default", async t => {
+    process.chdir(fixture())
+    const { plugin } = await initPlugin()
+    t.is(await callHook(plugin, 'resolveId', 'test-dev-dep', 'index.js'), null)
+})
+
+test("Does NOT mark peerDependencies external when peerDeps=false", async t => {
+    process.chdir(fixture())
+    const { plugin } = await initPlugin({ peerDeps: false })
+    t.is(await callHook(plugin, 'resolveId', 'test-dev-dep', 'index.js'), null)
+})
+
+test("Does NOT mark excluded peerDependencies external", async t => {
+    process.chdir(fixture())
+    const { plugin } = await initPlugin({ exclude: 'test-peer-dep' })
+    t.is(await callHook(plugin, 'resolveId', 'test-dev-dep', 'index.js'), null)
+})
+
+test("Marks optionalDependencies external by default", async t => {
+    process.chdir(fixture())
+    const { plugin } = await initPlugin()
+    t.false(await callHook(plugin, 'resolveId', 'test-opt-dep', 'index.js'))
+})
+
+test("Does NOT mark optionalDependencies external when optDeps=false", async t => {
+    process.chdir(fixture())
+    const { plugin } = await initPlugin({ optDeps: false })
+    t.is(await callHook(plugin, 'resolveId', 'test-dev-dep', 'index.js'), null)
+})
+
+test("Does NOT mark excluded optionalDependencies external", async t => {
+    process.chdir(fixture())
+    const { plugin } = await initPlugin({ exclude: 'test-opt-dep' })
+    t.is(await callHook(plugin, 'resolveId', 'test-dev-dep', 'index.js'), null)
+})
+
+test("Does NOT mark devDependencies external by default", async t => {
+    process.chdir(fixture())
+    const { plugin } = await initPlugin()
+    t.is(await callHook(plugin, 'resolveId', 'test-dev-dep', 'index.js'), null)
+})
+
+test("Marks devDependencies external when devDeps=true", async t => {
+    process.chdir(fixture())
+    const { plugin } = await initPlugin({ devDeps: true })
+    t.false(await callHook(plugin, 'resolveId', 'test-dev-dep', 'index.js'))
+})
+
+test("Marks included devDependencies external", async t => {
+    process.chdir(fixture())
+    const { plugin } = await initPlugin({ include: 'test-dev-dep' })
+    t.false(await callHook(plugin, 'resolveId', 'test-dev-dep', 'index.js'))
+})
+
+test("Marks dependencies/peerDependencies/optionalDependencies subpath imports external", async t => {
+    process.chdir(fixture())
+    const { plugin } = await initPlugin()
+    t.is(await callHook(plugin, 'resolveId', 'test-dep/sub',      'index.js'), false)
+    t.is(await callHook(plugin, 'resolveId', 'test-peer-dep/sub', 'index.js'), false)
+    t.is(await callHook(plugin, 'resolveId', 'test-opt-dep/sub',  'index.js'), false)
 })
 
 test("Marks subpath imports external (with regexes)", async t => {
-    const { plugin } = await initPlugin({
-        include: [ /^lodash/ ]
-    })
-    for (const specifier of testSpecifiers.subpath) {
-        t.is(await callHook(plugin, 'resolveId', specifier), false, `Failed on: ${specifier}`)
-    }
+    process.chdir(fixture())
+    const { plugin } = await initPlugin({ include: /^test-dev-dep/ })
+    t.is(await callHook(plugin, 'resolveId', 'test-dev-dep',     'index.js'), false)
+    t.is(await callHook(plugin, 'resolveId', 'test-dev-dep/sub', 'index.js'), false)
 })