first commit

vendor/symfony/mime/Test/Constraint/EmailHeaderSame.php

@@ -0,0 +1,62 @@
+<?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
+{
+    private string $headerName;
+    private string $expectedValue;
+
+    public function __construct(string $headerName, string $expectedValue)
+    {
+        $this->headerName = $headerName;
+        $this->expectedValue = $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();
+    }
+}