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CodeRabbit Generated Unit Tests: Add framework-specific .gitignore validation tests and placeholder #52

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160 changes: 160 additions & 0 deletions tests/GitignoreValidationTest.php
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<?php
/**
* Test Framework: PHPUnit
* Purpose: Validate critical .gitignore patterns are present and consistent.
*/
use PHPUnit\Framework\TestCase;

final class GitignoreValidationTest extends TestCase
{
private static $path = __DIR__ . '/../.gitignore';
private static $expected = [
// OS-specific
'.DS_Store',
'Thumbs.db',
'ehthumbs.db',
'Desktop.ini',
// Temp/log/backup
'*.log',
'*.tmp',
'*.swp',
'*.swo',
'*.bak',
'*.orig',
// Secrets
'.env',
'.env.*',
'*.key',
'*.pem',
// Build/cache
'dist/',
'build/',
'out/',
'tmp/',
'cache/',
'*.pyc',
'__pycache__/',
// IDE
'.vscode/',
'.history/',
'.idea/',
// Node
'node_modules/',
'npm-debug.log',
'yarn-error.log',
'*.lock',
// PHP
'vendor/',
'composer.phar',
'.phpunit.result.cache',
'phpunit.xml.dist',
'.php-cs-fixer.cache',
'.phpstan/',
'psalm.xml.dist',
'storage/',
'bootstrap/cache/',
'var/',
'*.cache',
'.env.backup',
'.env.local',
'.env.production',
'.env.testing',
'homestead.yaml',
'Homestead.yaml',
'Homestead.json',
// WordPress
'wp-content/uploads/',
'wp-content/cache/',
'wp-content/upgrade/',
'wp-content/debug.log',
// Coverage
'coverage/',
'*.lcov',
// Other binaries
'*.iml',
'*.class',
'*.o',
'*.out',
'*.so',
'*.dll',
'*.exe',
'*.pid',
];

private function readGitignore(): array
{
$this->assertFileExists(self::$path, ".gitignore must exist at repo root.");
$content = file_get_contents(self::$path);
$this->assertNotFalse($content, "Failed to read .gitignore");
// Normalize line endings and trim trailing spaces
$lines = preg_split('/\R/u', $content);
return array_map(static function ($l) {
return rtrim($l, " \t");
}, $lines);
}

public function test_expected_patterns_are_present(): void
{
$lines = $this->readGitignore();
$set = array_flip($lines);
foreach (self::$expected as $pattern) {
$this->assertArrayHasKey($pattern, $set, "Missing required .gitignore entry: {$pattern}");
}
}

public function test_no_trailing_whitespace_on_rule_lines(): void
{
$content = file_get_contents(self::$path);
$this->assertNotFalse($content);
$bad = [];
$i = 0;
foreach (preg_split('/\R/u', $content) as $line) {
$i++;
if ($line !== '' && $line[0] !== '#') {
if (preg_match('/[ \t]+$/', $line)) {
$bad[] = $i;
}
}
}
$this->assertCount(0, $bad, "Trailing whitespace detected on lines: " . implode(', ', $bad));
}

public function test_has_trailing_newline_at_eof(): void
{
$content = file_get_contents(self::$path);
$this->assertNotFalse($content);
$this->assertTrue(substr($content, -1) === "\n", "Expected .gitignore to end with a newline.");
}

public function test_no_duplicate_rules(): void
{
$lines = $this->readGitignore();
$counts = [];
foreach ($lines as $line) {
if ($line === '' || str_starts_with($line, '#')) continue;
$counts[$line] = ($counts[$line] ?? 0) + 1;
}
$dupes = array_keys(array_filter($counts, fn($c) => $c > 1));
$this->assertEmpty($dupes, "Duplicate .gitignore rules found: " . implode(', ', $dupes));
}

public function test_section_headers_exist(): void
{
$lines = $this->readGitignore();
$headers = [
'# OS依存ファイル',
'# 一時ファイル・ログ・バックアップ',
'# 環境変数・機密情報',
'# ビルド成果物・キャッシュ',
'# IDE / エディタ設定',
'# Node.js関連',
'# PHP関連設定',
'# カバレッジ関連',
'# その他',
];
$set = array_flip($lines);
foreach ($headers as $h) {
$this->assertArrayHasKey($h, $set, "Missing section header: {$h}");
}
}
}
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