class ContentTranslationManageAccessCheckTest

class ContentTranslationManageAccessCheckTest extends UnitTestCase {
  
  /**
   * The cache contexts manager.
   *
   * @var \Drupal\Core\Cache\Context\CacheContextsManager|\PHPUnit\Framework\MockObject\MockObject
   */
  protected $cacheContextsManager;
  
  /**
   * {@inheritdoc}
   */
  protected function setUp() : void {
    parent::setUp();
    $this->cacheContextsManager = $this->getMockBuilder('Drupal\\Core\\Cache\\Context\\CacheContextsManager')
      ->disableOriginalConstructor()
      ->getMock();
    $this->cacheContextsManager
      ->method('assertValidTokens')
      ->willReturn(TRUE);
    $container = new ContainerBuilder();
    $container->set('cache_contexts_manager', $this->cacheContextsManager);
    \Drupal::setContainer($container);
  }
  
  /**
   * Tests the create access method.
   *
   * @covers ::access
   */
  public function testCreateAccess() {
    // Set the mock translation handler.
    $translation_handler = $this->createMock('\\Drupal\\content_translation\\ContentTranslationHandlerInterface');
    $translation_handler->expects($this->once())
      ->method('getTranslationAccess')
      ->willReturn(AccessResult::allowed());
    $entity_type_manager = $this->createMock(EntityTypeManagerInterface::class);
    $entity_type_manager->expects($this->once())
      ->method('getHandler')
      ->withAnyParameters()
      ->willReturn($translation_handler);
    // Set our source and target languages.
    $source = 'en';
    $target = 'it';
    // Set the mock language manager.
    $language_manager = $this->createMock('Drupal\\Core\\Language\\LanguageManagerInterface');
    $language_manager->expects($this->once())
      ->method('getLanguages')
      ->willReturn([
      $source => [],
      $target => [],
    ]);
    $language_manager->expects($this->any())
      ->method('getLanguage')
      ->willReturnMap([
      [
        $source,
        new Language([
          'id' => $source,
        ]),
      ],
      [
        $target,
        new Language([
          'id' => $target,
        ]),
      ],
    ]);
    // Set the mock entity. We need to use ContentEntityBase for mocking due to
    // issues with phpunit and multiple interfaces.
    $entity = $this->getMockBuilder('Drupal\\Core\\Entity\\ContentEntityBase')
      ->disableOriginalConstructor()
      ->getMock();
    $entity->expects($this->once())
      ->method('getEntityTypeId');
    $entity->expects($this->once())
      ->method('getTranslationLanguages')
      ->with()
      ->willReturn([]);
    $entity->expects($this->once())
      ->method('getCacheContexts')
      ->willReturn([]);
    $entity->expects($this->once())
      ->method('getCacheMaxAge')
      ->willReturn(Cache::PERMANENT);
    $entity->expects($this->once())
      ->method('getCacheTags')
      ->willReturn([
      'node:1337',
    ]);
    $entity->expects($this->once())
      ->method('getCacheContexts')
      ->willReturn([]);
    // Set the route requirements.
    $route = new Route('test_route');
    $route->setRequirement('_access_content_translation_manage', 'create');
    // Set up the route match.
    $route_match = $this->createMock('Drupal\\Core\\Routing\\RouteMatchInterface');
    $route_match->expects($this->once())
      ->method('getParameter')
      ->with('node')
      ->willReturn($entity);
    // Set the mock account.
    $account = $this->createMock('Drupal\\Core\\Session\\AccountInterface');
    // The access check under test.
    $check = new ContentTranslationManageAccessCheck($entity_type_manager, $language_manager);
    // The request params.
    $language = 'en';
    $entity_type_id = 'node';
    $this->assertTrue($check->access($route, $route_match, $account, $source, $target, $language, $entity_type_id)
      ->isAllowed(), "The access check matches");
  }

}