name : EmailHeaderSame.php <?php /* * This file is part of the Symfony package. * * (c) Fabien Potencier <fabien@symfony.com> * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Symfony\Component\Mime\Test\Constraint; use PHPUnit\Framework\Constraint\Constraint; use Symfony\Component\Mime\Header\UnstructuredHeader; use Symfony\Component\Mime\RawMessage; final class EmailHeaderSame extends Constraint { public function __construct( private string $headerName, private string $expectedValue, ) { } public function toString(): string { return \sprintf('has header "%s" with value "%s"', $this->headerName, $this->expectedValue); } /** * @param RawMessage $message */ protected function matches($message): bool { if (RawMessage::class === $message::class) { throw new \LogicException('Unable to test a message header on a RawMessage instance.'); } return $this->expectedValue === $this->getHeaderValue($message); } /** * @param RawMessage $message */ protected function failureDescription($message): string { return \sprintf('the Email %s (value is %s)', $this->toString(), $this->getHeaderValue($message) ?? 'null'); } private function getHeaderValue($message): ?string { if (null === $header = $message->getHeaders()->get($this->headerName)) { return null; } return $header instanceof UnstructuredHeader ? $header->getValue() : $header->getBodyAsString(); } }