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vendor/symfony/mime/Tests/Part/MessagePartTest.php

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+<?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\Tests\Part;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\Mime\Email;
+use Symfony\Component\Mime\Header\Headers;
+use Symfony\Component\Mime\Header\ParameterizedHeader;
+use Symfony\Component\Mime\Header\UnstructuredHeader;
+use Symfony\Component\Mime\Part\MessagePart;
+
+class MessagePartTest extends TestCase
+{
+    public function testConstructor()
+    {
+        $p = new MessagePart((new Email())->from('fabien@symfony.com')->text('content'));
+        $this->assertStringContainsString('content', $p->getBody());
+        $this->assertStringContainsString('content', $p->bodyToString());
+        $this->assertStringContainsString('content', implode('', iterator_to_array($p->bodyToIterable())));
+        $this->assertEquals('message', $p->getMediaType());
+        $this->assertEquals('rfc822', $p->getMediaSubType());
+    }
+
+    public function testHeaders()
+    {
+        $p = new MessagePart((new Email())->from('fabien@symfony.com')->text('content')->subject('Subject'));
+        $this->assertEquals(new Headers(
+            new ParameterizedHeader('Content-Type', 'message/rfc822', ['name' => 'Subject.eml']),
+            new UnstructuredHeader('Content-Transfer-Encoding', 'base64'),
+            new ParameterizedHeader('Content-Disposition', 'attachment', ['name' => 'Subject.eml', 'filename' => 'Subject.eml'])
+        ), $p->getPreparedHeaders());
+    }
+}