class ModerationInformationTest

class ModerationInformationTest extends UnitTestCase {
  
  /**
   * Builds a mock user.
   *
   * @return \Drupal\Core\Session\AccountInterface
   *   The mocked user.
   */
  protected function getUser() {
    return $this->prophesize(AccountInterface::class)
      ->reveal();
  }
  
  /**
   * Returns a mock Entity Type Manager.
   *
   * @return \Drupal\Core\Entity\EntityTypeManagerInterface
   *   The mocked entity type manager.
   */
  protected function getEntityTypeManager() {
    $entity_type_manager = $this->prophesize(EntityTypeManagerInterface::class);
    $entity_type_manager->getHandler(Argument::any(), 'moderation')
      ->willReturn(new ModerationHandler());
    return $entity_type_manager->reveal();
  }
  
  /**
   * Sets up content moderation and entity type bundle info mocking.
   *
   * @param string $bundle
   *   The bundle ID.
   * @param string|null $workflow
   *   The workflow ID. If nul no workflow information is added to the bundle.
   *
   * @return \Drupal\Core\Entity\EntityTypeManagerInterface
   *   The mocked entity type manager.
   */
  public function setupModerationBundleInfo($bundle, $workflow = NULL) {
    $bundle_info_array = [];
    if ($workflow) {
      $bundle_info_array['workflow'] = $workflow;
    }
    $bundle_info = $this->prophesize(EntityTypeBundleInfoInterface::class);
    $bundle_info->getBundleInfo("test_entity_type")
      ->willReturn([
      $bundle => $bundle_info_array,
    ]);
    $bundle_info->getBundleInfo("unmoderated_test_type")
      ->willReturn([
      $bundle => [],
    ]);
    return $bundle_info->reveal();
  }
  
  /**
   * @covers ::isModeratedEntityType
   */
  public function testIsModeratedEntityType() : void {
    $moderation_information = new ModerationInformation($this->getEntityTypeManager(), $this->setupModerationBundleInfo('test_bundle', 'workflow'));
    $moderated_entity_type = $this->prophesize(EntityTypeInterface::class);
    $moderated_entity_type->id()
      ->willReturn('test_entity_type');
    $unmoderated_entity_type = $this->prophesize(EntityTypeInterface::class);
    $unmoderated_entity_type->id()
      ->willReturn('unmoderated_test_type');
    $this->assertTrue($moderation_information->isModeratedEntityType($moderated_entity_type->reveal()));
    $this->assertFalse($moderation_information->isModeratedEntityType($unmoderated_entity_type->reveal()));
  }
  
  /**
   * @dataProvider providerWorkflow
   * @covers ::isModeratedEntity
   */
  public function testIsModeratedEntity($workflow, $expected) : void {
    $moderation_information = new ModerationInformation($this->getEntityTypeManager(), $this->setupModerationBundleInfo('test_bundle', $workflow));
    $entity_type = new ContentEntityType([
      'id' => 'test_entity_type',
      'bundle_entity_type' => 'entity_test_bundle',
      'handlers' => [
        'moderation' => ModerationHandler::class,
      ],
    ]);
    $entity = $this->prophesize(ContentEntityInterface::class);
    $entity->getEntityType()
      ->willReturn($entity_type);
    $entity->getEntityTypeId()
      ->willReturn($entity_type->id());
    $entity->bundle()
      ->willReturn('test_bundle');
    $this->assertEquals($expected, $moderation_information->isModeratedEntity($entity->reveal()));
  }
  
  /**
   * @dataProvider providerWorkflow
   * @covers ::getWorkflowForEntity
   */
  public function testGetWorkflowForEntity($workflow) : void {
    $entity_type_manager = $this->prophesize(EntityTypeManagerInterface::class);
    if ($workflow) {
      $workflow_entity = $this->prophesize(WorkflowInterface::class)
        ->reveal();
      $workflow_storage = $this->prophesize(EntityStorageInterface::class);
      $workflow_storage->load('workflow')
        ->willReturn($workflow_entity)
        ->shouldBeCalled();
      $entity_type_manager->getStorage('workflow')
        ->willReturn($workflow_storage->reveal());
    }
    else {
      $workflow_entity = NULL;
    }
    $moderation_information = new ModerationInformation($entity_type_manager->reveal(), $this->setupModerationBundleInfo('test_bundle', $workflow));
    $entity = $this->prophesize(ContentEntityInterface::class);
    $entity->getEntityTypeId()
      ->willReturn('test_entity_type');
    $entity->bundle()
      ->willReturn('test_bundle');
    $this->assertEquals($workflow_entity, $moderation_information->getWorkflowForEntity($entity->reveal()));
  }
  
  /**
   * @dataProvider providerWorkflow
   * @covers ::shouldModerateEntitiesOfBundle
   */
  public function testShouldModerateEntities($workflow, $expected) : void {
    $entity_type = new ContentEntityType([
      'id' => 'test_entity_type',
      'bundle_entity_type' => 'entity_test_bundle',
      'handlers' => [
        'moderation' => ModerationHandler::class,
      ],
    ]);
    $moderation_information = new ModerationInformation($this->getEntityTypeManager(), $this->setupModerationBundleInfo('test_bundle', $workflow));
    $this->assertEquals($expected, $moderation_information->shouldModerateEntitiesOfBundle($entity_type, 'test_bundle'));
  }
  
  /**
   * Data provider for several tests.
   */
  public static function providerWorkflow() {
    return [
      [
        NULL,
        FALSE,
      ],
      [
        'workflow',
        TRUE,
      ],
    ];
  }

}