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<?php |
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declare(strict_types=1); |
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namespace AHJ\ApprovalTests; |
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use Exception; |
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final class FilePathResolver |
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{ |
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public const APPROVAL_DIR = 'approval'; |
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public function resolve(): FilePathResolverResult |
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{ |
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[$pathToTestFile, $testMethodName] = $this->getTestPathAndMethodName(); |
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$approvalFilePath = $this->getApprovalFilePath($pathToTestFile); |
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$approvalFileName = $this->getApprovalFileName($pathToTestFile, $testMethodName); |
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return new FilePathResolverResult($approvalFilePath, $approvalFileName); |
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} |
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public function getApprovalFilePath(string $pathToTestFile): string |
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{ |
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$pathParts = explode('/', pathinfo($pathToTestFile)['dirname']); |
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$flip = array_flip($pathParts); |
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// TODO: guard from undefined index |
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$startKey = $flip['tests']; |
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$endKey = count($pathParts) - 1; |
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$approvalFilePath = ''; |
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for ($i = $startKey; $i <= $endKey; $i++) { |
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$approvalFilePath .= $pathParts[$i] . '/'; |
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} |
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return $approvalFilePath . self::APPROVAL_DIR; |
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} |
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public function getApprovalFileName(string $pathToTestFile, string $testMethodName): string |
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{ |
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return pathinfo($pathToTestFile)['filename'] . '.' . $testMethodName; |
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} |
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public function getTestPathAndMethodName(): array |
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{ |
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$traces = debug_backtrace(1); |
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foreach ($traces as $key => $trace) { |
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if ($this->endsWith($trace['file'], 'Test.php', true)) { |
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$pathToTestFile = $trace['file']; |
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$testMethodName = $traces[$key + 1]['function']; |
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return [$pathToTestFile, $testMethodName]; |
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} |
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} |
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throw new Exception(sprintf( |
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'Failed to identify the testing file or method you are using.' |
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)); |
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} |
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private function endsWith(string $haystack, string $needle, $ignoreCase = false): bool |
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{ |
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if ($ignoreCase) { |
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$haystack = mb_strtolower($haystack); |
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$needle = mb_strtolower($needle); |
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} |
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return mb_substr($haystack, mb_strlen($haystack) - mb_strlen($needle)) === $needle; |
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} |
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} |
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alexandrajulius /
approval-tests
