function MimeTypeGuesserTest::testSymfonyGuesserRegistration

@covers ::registerWithSymfonyGuesser

See also

Symfony\Component\HttpFoundation\File\MimeType\MimeTypeGuesser

File

core/tests/Drupal/Tests/Core/File/MimeTypeGuesserTest.php, line 22

Class

MimeTypeGuesserTest

@coversDefaultClass <a href="/api/drupal/core%21lib%21Drupal%21Core%21File%21MimeType%21MimeTypeGuesser.php/class/MimeTypeGuesser/8.9.x" title="Defines a MIME type guesser that also supports stream wrapper paths." class="local">\Drupal\Core\File\MimeType\MimeTypeGuesser</a> @group DrupalKernel

Namespace

Code

public function testSymfonyGuesserRegistration() {
    // Make the guessers property accessible on Symfony's MimeTypeGuesser.
    $symfony_guesser = SymfonyMimeTypeGuesser::getInstance();
    // Test that the Drupal mime type guess is not being used before the
    // override method is called. It is possible that the test environment does
    // not support the default guessers.
    $guessers = $this->readAttribute($symfony_guesser, 'guessers');
    if (count($guessers)) {
        $this->assertNotInstanceOf('Drupal\\Core\\File\\MimeType\\MimeTypeGuesser', $guessers[0]);
    }
    $container = new ContainerBuilder();
    $container->set('file.mime_type.guesser', new MimeTypeGuesser(new StreamWrapperManager()));
    MimeTypeGuesser::registerWithSymfonyGuesser($container);
    $symfony_guesser = SymfonyMimeTypeGuesser::getInstance();
    $guessers = $this->readAttribute($symfony_guesser, 'guessers');
    $this->assertSame($container->get('file.mime_type.guesser'), $guessers[0]);
    $this->assertInstanceOf('Drupal\\Core\\File\\MimeType\\MimeTypeGuesser', $guessers[0]);
    $count = count($guessers);
    $container = new ContainerBuilder();
    $container->set('file.mime_type.guesser', new MimeTypeGuesser(new StreamWrapperManager()));
    MimeTypeGuesser::registerWithSymfonyGuesser($container);
    $symfony_guesser = SymfonyMimeTypeGuesser::getInstance();
    $guessers = $this->readAttribute($symfony_guesser, 'guessers');
    $this->assertSame($container->get('file.mime_type.guesser'), $guessers[0]);
    $this->assertInstanceOf('Drupal\\Core\\File\\MimeType\\MimeTypeGuesser', $guessers[0]);
    $new_count = count($guessers);
    $this->assertEquals($count, $new_count, 'The count of mime type guessers remains the same after container re-init.');
}