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vendor/symfony/mime/Tests/DependencyInjection/AddMimeTypeGuesserPassTest.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\DependencyInjection;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+use Symfony\Component\DependencyInjection\Definition;
+use Symfony\Component\DependencyInjection\Reference;
+use Symfony\Component\Mime\DependencyInjection\AddMimeTypeGuesserPass;
+use Symfony\Component\Mime\FileinfoMimeTypeGuesser;
+use Symfony\Component\Mime\MimeTypes;
+
+class AddMimeTypeGuesserPassTest extends TestCase
+{
+    public function testTags()
+    {
+        $container = new ContainerBuilder();
+        $container->addCompilerPass(new AddMimeTypeGuesserPass());
+
+        $definition = new Definition(FileinfoMimeTypeGuesser::class);
+        $definition->addArgument('/path/to/magic/file');
+        $definition->addTag('mime.mime_type_guesser');
+        $container->setDefinition('some_mime_type_guesser', $definition->setPublic(true));
+        $container->register('mime_types', MimeTypes::class)->setPublic(true);
+        $container->compile();
+
+        $router = $container->getDefinition('mime_types');
+        $calls = $router->getMethodCalls();
+        $this->assertCount(1, $calls);
+        $this->assertEquals('registerGuesser', $calls[0][0]);
+        $this->assertEquals(new Reference('some_mime_type_guesser'), $calls[0][1][0]);
+    }
+}