Add test scripts

Author: AbhyudayaSharma

test/01.test.js

@@ -0,0 +1,15 @@
+import GitInfo from 'react-git-info/macro';
+const fs = require('fs');
+
+const gitInfo = GitInfo();
+
+describe('Git information', () => {
+  test('gets correct branch', () => {
+    expect(gitInfo.branch).toBe('master');
+  });
+
+  test('gets correct tags', () => {
+    expect(gitInfo.tags).toHaveLength(2);
+    expect(new Set(gitInfo.tags)).toEqual(new Set(['hello-world', 'hello-world-again']));
+  });
+});

test/02.test.js

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+import GitInfo from 'react-git-info/macro';
+
+const gitInfo = GitInfo();
+
+describe('Git information', () => {
+  test('gets correct branch', () => {
+    expect(gitInfo.branch).toBe('master');
+  });
+
+  test('gets correct tags', () => {
+    expect(gitInfo.tags).toHaveLength(0);
+  });
+
+  test('gets correct message', () => {
+    expect(gitInfo.commit.message).toBe('Git commit message');
+  })
+});

test/03.test.js

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+import GitInfo from 'react-git-info/macro';
+const { execSync } = require('child_process')
+
+const commitHash = execSync('git rev-parse HEAD').toString().trim();
+const commitDate = execSync('git log --format=%cI -n 1 HEAD').toString().trim();
+const shortCommitHash = execSync('git rev-parse --short HEAD').toString().trim();
+
+const gitInfo = GitInfo();
+
+describe('Git information', () => {
+  test('gets correct branch', () => {
+    expect(gitInfo.branch).toBeUndefined();
+  });
+
+  test('gets correct hash', () => {
+    expect(gitInfo.commit.hash).toBe(commitHash);
+  });
+
+  test('get correct short hash', () => {
+    expect(gitInfo.commit.shortHash).toBe(shortCommitHash);
+  })
+
+  test('gets correct commit date', () => {
+    expect(gitInfo.commit.date).toBe(commitDate);
+  });
+});

test/GitInfoTest.ps1

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+$ErrorActionPreference = 'Stop'
+Push-Location
+
+# This script requires following to be on the PATH.
+$dependencies = 'git', 'npm', 'npx', 'yarn'
+foreach ($dependency in $dependencies) {
+  if ($null -eq (Get-Command $dependency -ErrorAction SilentlyContinue)) {
+    throw "Unable to find $dependency in PATH"
+  }
+}
+
+$oldEnvCI = $env:CI
+$env:CI = 'true' # needed for non-interactive `yarn test`
+$scriptsPath = Split-Path $PSCommandPath -Parent
+$repoPath = Split-Path $scriptsPath -Parent
+
+# Create a temporary directory for testing
+$tempPath = [System.IO.Path]::GetTempPath()
+[string] $name = [System.Guid]::NewGuid()
+$testRepoPath = Join-Path $tempPath $name
+New-Item -ItemType Directory -Path $testRepoPath | Out-Null
+
+# Create a react app using create-react-app
+Set-Location $testRepoPath
+npx create-react-app .
+if (-not $?) {
+  throw 'Unable to create react app'
+}
+
+# Install the package
+Write-Output "Installing local package from $repoPath..."
+yarn add $repoPath
+if (-not $?) {
+  throw 'Local package installation failed.'
+}
+
+
+Write-Output '------------------- Test 1 -------------------'
+
+$testFile = '01.test.js'
+$testScript = Join-Path $testRepoPath "src/$testFile"
+Copy-Item (Join-Path $scriptsPath $testFile) $testScript
+
+$commandError = $false
+
+git tag 'hello-world'
+$commandError = $commandError -or -not $?
+git tag 'hello-world-again'
+$commandError = $commandError -or -not $?
+
+if ($commandError) {
+  throw 'Unable to run git commands.'
+}
+
+yarn test
+if (-not $?) {
+  throw "One or more tests failed. Exit code = $LASTEXITCODE"
+}
+
+Remove-Item -Force $testScript
+
+
+Write-Output '------------------- Test 2 -------------------'
+
+$testFile = '02.test.js'
+$testScript = Join-Path $testRepoPath "src/$testFile"
+Copy-Item (Join-Path $scriptsPath $testFile) $testScript
+
+git commit --allow-empty -m 'Git commit message'
+$commandError = $commandError -or -not $?
+
+if ($commandError) {
+  throw 'Unable to run git commands.'
+}
+
+yarn test
+if (-not $?) {
+  throw "One or more tests failed. Exit code = $LASTEXITCODE"
+}
+
+Remove-Item -Force $testScript
+
+
+Write-Output '------------------- Test 3 -------------------'
+
+# tests for detached HEAD
+
+$testFile = '03.test.js'
+$testScript = Join-Path $testRepoPath "src/$testFile"
+Copy-Item (Join-Path $scriptsPath $testFile) $testScript
+
+$firstCommit = (git rev-list --max-parents=0 HEAD | Out-String).Trim()
+$commandError = $commandError -or -not $?
+git checkout $firstCommit
+$commandError = $commandError -or -not $?
+
+if ($commandError) {
+  throw 'Unable to run git commands.'
+}
+
+yarn test
+if (-not $?) {
+  throw "One or more tests failed. Exit code = $LASTEXITCODE"
+}
+
+Remove-Item -Force $testScript
+
+
+Write-Output '------------------- Cleanup -------------------'
+
+Pop-Location
+$env:CI = $oldEnvCI
+Remove-Item -Recurse -Force $testRepoPath