MimeTypeMapTest.php

<?php

declare (strict_types=1);
namespace Drupal\Tests\Core\File\MimeType;

use Drupal\Core\File\MimeType\MimeTypeMap;
use Drupal\Tests\UnitTestCase;

/**
 * Tests the MIME type mapper to extension.
 *
 * @coversDefaultClass \Drupal\Core\File\MimeType\MimeTypeMap
 *
 * @group File
 */
class MimeTypeMapTest extends UnitTestCase {
  
  /**
   * The default MIME type map under test.
   */
  protected MimeTypeMap $map;
  
  /**
   * {@inheritdoc}
   */
  protected function setUp() : void {
    parent::setUp();
    $this->map = new MimeTypeMap();
  }
  
  /**
   * @covers ::addMapping
   */
  public function testAddMapping() : void {
    $this->map
      ->addMapping('image/gif', 'gif');
    $this->assertEquals('image/gif', $this->map
      ->getMimeTypeForExtension('gif'));
    $this->map
      ->addMapping('image/jpeg', 'jpeg');
    $this->assertEquals('image/jpeg', $this->map
      ->getMimeTypeForExtension('jpeg'));
  }
  
  /**
   * @covers ::removeMapping
   */
  public function testRemoveMapping() : void {
    $this->assertTrue($this->map
      ->removeMapping('image/jpeg', 'jpg'));
    $this->assertNull($this->map
      ->getMimeTypeForExtension('jpg'));
    $this->assertFalse($this->map
      ->removeMapping('bar', 'foo'));
  }
  
  /**
   * @covers ::removeMimeType
   */
  public function testRemoveMimeType() : void {
    $this->assertTrue($this->map
      ->removeMimeType('image/jpeg'));
    $this->assertNull($this->map
      ->getMimeTypeForExtension('jpg'));
    $this->assertFalse($this->map
      ->removeMimeType('foo/bar'));
  }
  
  /**
   * @covers ::listMimeTypes
   */
  public function testListMimeTypes() : void {
    $mimeTypes = $this->map
      ->listMimeTypes();
    $this->assertContains('application/java-archive', $mimeTypes);
    $this->assertContains('image/jpeg', $mimeTypes);
  }
  
  /**
   * @covers ::hasMimeType
   */
  public function testHasMimeType() : void {
    $this->assertTrue($this->map
      ->hasMimeType('image/jpeg'));
    $this->assertFalse($this->map
      ->hasMimeType('foo/bar'));
  }
  
  /**
   * @covers ::getMimeTypeForExtension
   */
  public function testGetMimeTypeForExtension() : void {
    $this->assertSame('image/jpeg', $this->map
      ->getMimeTypeForExtension('jpe'));
  }
  
  /**
   * @covers ::getExtensionsForMimeType
   */
  public function testGetExtensionsForMimeType() : void {
    $this->assertEquals([
      'jpe',
      'jpeg',
      'jpg',
    ], $this->map
      ->getExtensionsForMimeType('image/jpeg'));
  }
  
  /**
   * @covers ::listExtensions
   */
  public function testListExtension() : void {
    $extensions = $this->map
      ->listExtensions();
    $this->assertContains('jar', $extensions);
    $this->assertContains('jpg', $extensions);
  }
  
  /**
   * @covers ::hasExtension
   */
  public function testHasExtension() : void {
    $this->assertTrue($this->map
      ->hasExtension('jpg'));
    $this->assertFalse($this->map
      ->hasExtension('foo'));
  }

}