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<?php |
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namespace Psr7Unitesting\Html; |
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use Psr7Unitesting\Utils\AbstractConstraint as Constraint; |
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use Symfony\Component\Process\Process; |
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use GuzzleHttp\Client; |
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use GuzzleHttp\Psr7\Request; |
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class IsValid extends Constraint |
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{ |
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const METHOD_REST = 1; |
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const METHOD_CLI = 2; |
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const BIN_FILE = '/vnu.16.3.3/vnu.jar'; |
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public static $method = 2; |
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private $errors = []; |
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public function toString() |
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{ |
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return 'is valid HTML'; |
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} |
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protected function matches($html) |
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{ |
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if (self::$method === static::METHOD_CLI) { |
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$result = $this->validateCLI($html); |
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} elseif (self::$method === static::METHOD_REST) { |
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$result = $this->validateREST($html); |
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} else { |
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throw new RuntimeException('Invalid validation method'); |
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} |
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$this->errors = array_filter($result['messages'], function ($message) { |
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return $message['type'] === 'error'; |
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}); |
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return empty($this->errors); |
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} |
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/** |
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* Execute the validation through the command line. |
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*/ |
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private static function validateCLI($html) |
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{ |
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$vnu = __DIR__.'/../../bins/'.self::BIN_FILE; |
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$process = new Process("java -jar {$vnu} --format json - ", null, null, $html); |
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$process->run(); |
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$output = $process->getOutput() ?: $process->getErrorOutput(); |
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return json_decode((string) $output, true); |
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} |
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/** |
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* Execute the validation through the api. |
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*/ |
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private static function validateREST($html) |
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{ |
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$request = new Request('POST', 'https://validator.w3.org/nu/?out=json', ['Content-Type' => 'text/html; charset=utf-8'], $html); |
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$client = new Client(); |
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$response = $client->send($request); |
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return json_decode((string) $response->getBody(), true); |
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} |
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protected function additionalFailureDescription($html) |
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{ |
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return sprintf('%d errors found: %s', count($this->errors), print_r(array_values($this->errors), true)); |
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} |
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} |
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oscarotero /
psr7-unitesting
