class ForumBreadcrumbBuilderBaseTest

class ForumBreadcrumbBuilderBaseTest extends UnitTestCase {
  
  /**
   * {@inheritdoc}
   */
  protected function setUp() : void {
    parent::setUp();
    $cache_contexts_manager = $this->getMockBuilder('Drupal\\Core\\Cache\\Context\\CacheContextsManager')
      ->disableOriginalConstructor()
      ->getMock();
    $cache_contexts_manager->method('assertValidTokens')
      ->willReturn(TRUE);
    $container = new Container();
    $container->set('cache_contexts_manager', $cache_contexts_manager);
    \Drupal::setContainer($container);
  }
  
  /**
   * Tests ForumBreadcrumbBuilderBase::__construct().
   *
   * @covers ::__construct
   */
  public function testConstructor() {
    // Make some test doubles.
    $entity_type_manager = $this->createMock(EntityTypeManagerInterface::class);
    $config_factory = $this->getConfigFactoryStub([
      'forum.settings' => [
        'IAmATestKey' => 'IAmATestValue',
      ],
    ]);
    $forum_manager = $this->createMock('Drupal\\forum\\ForumManagerInterface');
    $translation_manager = $this->createMock('Drupal\\Core\\StringTranslation\\TranslationInterface');
    // Make an object to test.
    $builder = $this->getMockForAbstractClass('Drupal\\forum\\Breadcrumb\\ForumBreadcrumbBuilderBase', [
      $entity_type_manager,
      $config_factory,
      $forum_manager,
      $translation_manager,
    ]);
    // Test that the constructor made a config object with our info in it.
    $reflector = new \ReflectionClass($builder);
    $ref_property = $reflector->getProperty('config');
    $ref_property->setAccessible(TRUE);
    $config = $ref_property->getValue($builder);
    $this->assertEquals('IAmATestValue', $config->get('IAmATestKey'));
  }
  
  /**
   * Tests ForumBreadcrumbBuilderBase::build().
   *
   * @see \Drupal\forum\Breadcrumb\ForumBreadcrumbBuilderBase::build()
   *
   * @covers ::build
   */
  public function testBuild() {
    // Build all our dependencies, backwards.
    $translation_manager = $this->getMockBuilder('Drupal\\Core\\StringTranslation\\TranslationInterface')
      ->disableOriginalConstructor()
      ->getMock();
    $forum_manager = $this->getMockBuilder('Drupal\\forum\\ForumManagerInterface')
      ->disableOriginalConstructor()
      ->getMock();
    $prophecy = $this->prophesize('Drupal\\taxonomy\\VocabularyInterface');
    $prophecy->label()
      ->willReturn('Fora_is_the_plural_of_forum');
    $prophecy->id()
      ->willReturn(5);
    $prophecy->getCacheTags()
      ->willReturn([
      'taxonomy_vocabulary:5',
    ]);
    $prophecy->getCacheContexts()
      ->willReturn([]);
    $prophecy->getCacheMaxAge()
      ->willReturn(Cache::PERMANENT);
    $vocab_storage = $this->createMock('Drupal\\Core\\Entity\\EntityStorageInterface');
    $vocab_storage->expects($this->any())
      ->method('load')
      ->willReturnMap([
      [
        'forums',
        $prophecy->reveal(),
      ],
    ]);
    $entity_type_manager = $this->createMock(EntityTypeManagerInterface::class);
    $entity_type_manager->expects($this->any())
      ->method('getStorage')
      ->willReturnMap([
      [
        'taxonomy_vocabulary',
        $vocab_storage,
      ],
    ]);
    $config_factory = $this->getConfigFactoryStub([
      'forum.settings' => [
        'vocabulary' => 'forums',
      ],
    ]);
    // Build a breadcrumb builder to test.
    $breadcrumb_builder = $this->getMockForAbstractClass('Drupal\\forum\\Breadcrumb\\ForumBreadcrumbBuilderBase', [
      $entity_type_manager,
      $config_factory,
      $forum_manager,
      $translation_manager,
    ]);
    // Add a translation manager for t().
    $translation_manager = $this->getStringTranslationStub();
    $breadcrumb_builder->setStringTranslation($translation_manager);
    // Our empty data set.
    $route_match = $this->createMock('Drupal\\Core\\Routing\\RouteMatchInterface');
    // Expected result set.
    $expected = [
      Link::createFromRoute('Home', '<front>'),
      Link::createFromRoute('Fora_is_the_plural_of_forum', 'forum.index'),
    ];
    // And finally, the test.
    $breadcrumb = $breadcrumb_builder->build($route_match);
    $this->assertEquals($expected, $breadcrumb->getLinks());
    $this->assertEquals([
      'route',
    ], $breadcrumb->getCacheContexts());
    $this->assertEquals([
      'taxonomy_vocabulary:5',
    ], $breadcrumb->getCacheTags());
    $this->assertEquals(Cache::PERMANENT, $breadcrumb->getCacheMaxAge());
  }

}