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vendor/symfony/mime/Tests/MessageConverterTest.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;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\Mime\Email;
+use Symfony\Component\Mime\Message;
+use Symfony\Component\Mime\MessageConverter;
+
+class MessageConverterTest extends TestCase
+{
+    public function testToEmail()
+    {
+        $file = file_get_contents(__DIR__.'/Fixtures/mimetypes/test.gif');
+        $email = (new Email())->from('fabien@symfony.com');
+        $this->assertSame($email, MessageConverter::toEmail($email));
+
+        $this->assertConversion((clone $email)->text('text content'));
+        $this->assertConversion((clone $email)->html('HTML content <img src="cid:test.jpg" />'));
+        $this->assertConversion((clone $email)
+            ->text('text content')
+            ->html('HTML content <img src="cid:test.jpg" />')
+        );
+        $this->assertConversion((clone $email)
+            ->text('text content')
+            ->html('HTML content <img src="cid:test.jpg" />')
+            ->embed($file, 'test.jpg', 'image/gif')
+        );
+        $this->assertConversion((clone $email)
+            ->text('text content')
+            ->html('HTML content <img src="cid:test.jpg" />')
+            ->attach($file, 'test_attached.jpg', 'image/gif')
+        );
+        $this->assertConversion((clone $email)
+            ->text('text content')
+            ->html('HTML content <img src="cid:test.jpg" />')
+            ->embed($file, 'test.jpg', 'image/gif')
+            ->attach($file, 'test_attached.jpg', 'image/gif')
+        );
+        $this->assertConversion((clone $email)
+            ->text('text content')
+            ->attach($file, 'test_attached.jpg', 'image/gif')
+        );
+        $this->assertConversion((clone $email)
+            ->html('HTML content <img src="cid:test.jpg" />')
+            ->attach($file, 'test_attached.jpg', 'image/gif')
+        );
+        $this->assertConversion((clone $email)
+            ->html('HTML content <img src="cid:test.jpg" />')
+            ->embed($file, 'test.jpg', 'image/gif')
+        );
+        $this->assertConversion((clone $email)
+            ->text('text content')
+            ->embed($file, 'test_attached.jpg', 'image/gif')
+        );
+    }
+
+    private function assertConversion(Email $expected)
+    {
+        $r = new \ReflectionMethod($expected, 'generateBody');
+        $r->setAccessible(true);
+
+        $message = new Message($expected->getHeaders(), $r->invoke($expected));
+        $converted = MessageConverter::toEmail($message);
+        if ($expected->getHtmlBody()) {
+            $this->assertStringMatchesFormat(str_replace('cid:test.jpg', 'cid:%s', $expected->getHtmlBody()), $converted->getHtmlBody());
+            $expected->html('HTML content');
+            $converted->html('HTML content');
+        }
+        $this->assertEquals($expected, $converted);
+    }
+}