class EntityUnitTest

class EntityUnitTest extends UnitTestCase {
  
  /**
   * The entity under test.
   *
   * @var \Drupal\Core\Entity\EntityInterface|\PHPUnit\Framework\MockObject\MockObject
   */
  protected $entity;
  
  /**
   * The entity type used for testing.
   *
   * @var \Drupal\Core\Entity\EntityTypeInterface|\PHPUnit\Framework\MockObject\MockObject
   */
  protected $entityType;
  
  /**
   * The entity type manager used for testing.
   *
   * @var \Drupal\Core\Entity\EntityTypeManagerInterface|\PHPUnit\Framework\MockObject\MockObject
   */
  protected $entityTypeManager;
  
  /**
   * The ID of the type of the entity under test.
   *
   * @var string
   */
  protected $entityTypeId;
  
  /**
   * The route provider used for testing.
   *
   * @var \Drupal\Core\Routing\RouteProvider|\PHPUnit\Framework\MockObject\MockObject
   */
  protected $routeProvider;
  
  /**
   * The UUID generator used for testing.
   *
   * @var \Drupal\Component\Uuid\UuidInterface|\PHPUnit\Framework\MockObject\MockObject
   */
  protected $uuid;
  
  /**
   * The language manager.
   *
   * @var \Drupal\Core\Language\LanguageManagerInterface|\PHPUnit\Framework\MockObject\MockObject
   */
  protected $languageManager;
  
  /**
   * The mocked cache tags invalidator.
   *
   * @var \Drupal\Core\Cache\CacheTagsInvalidatorInterface|\Prophecy\Prophecy\ObjectProphecy
   */
  protected $cacheTagsInvalidator;
  
  /**
   * The entity values.
   *
   * @var array
   */
  protected $values;
  
  /**
   * {@inheritdoc}
   */
  protected function setUp() : void {
    parent::setUp();
    $this->values = [
      'id' => 1,
      'langcode' => 'en',
      'uuid' => '3bb9ee60-bea5-4622-b89b-a63319d10b3a',
    ];
    $this->entityTypeId = $this->randomMachineName();
    $this->entityType = $this->createMock('\\Drupal\\Core\\Entity\\EntityTypeInterface');
    $this->entityType
      ->expects($this->any())
      ->method('getListCacheTags')
      ->willReturn([
      $this->entityTypeId . '_list',
    ]);
    $this->entityTypeManager = $this->createMock(EntityTypeManagerInterface::class);
    $this->entityTypeManager
      ->expects($this->any())
      ->method('getDefinition')
      ->with($this->entityTypeId)
      ->willReturn($this->entityType);
    $this->uuid = $this->createMock('\\Drupal\\Component\\Uuid\\UuidInterface');
    $this->languageManager = $this->createMock('\\Drupal\\Core\\Language\\LanguageManagerInterface');
    $this->languageManager
      ->expects($this->any())
      ->method('getLanguage')
      ->with('en')
      ->willReturn(new Language([
      'id' => 'en',
    ]));
    $this->cacheTagsInvalidator = $this->prophesize('Drupal\\Core\\Cache\\CacheTagsInvalidator');
    $container = new ContainerBuilder();
    $container->set('entity_type.manager', $this->entityTypeManager);
    $container->set('uuid', $this->uuid);
    $container->set('language_manager', $this->languageManager);
    $container->set('cache_tags.invalidator', $this->cacheTagsInvalidator
      ->reveal());
    \Drupal::setContainer($container);
    $this->entity = new EntityBaseTest($this->values, $this->entityTypeId);
  }
  
  /**
   * @covers ::id
   */
  public function testId() : void {
    $this->assertSame($this->values['id'], $this->entity
      ->id());
  }
  
  /**
   * @covers ::uuid
   */
  public function testUuid() : void {
    $this->assertSame($this->values['uuid'], $this->entity
      ->uuid());
  }
  
  /**
   * @covers ::isNew
   * @covers ::enforceIsNew
   */
  public function testIsNew() : void {
    // We provided an ID, so the entity is not new.
    $this->assertFalse($this->entity
      ->isNew());
    // Force it to be new.
    $this->assertSame($this->entity, $this->entity
      ->enforceIsNew());
    $this->assertTrue($this->entity
      ->isNew());
  }
  
  /**
   * @covers ::getEntityType
   */
  public function testGetEntityType() : void {
    $this->assertSame($this->entityType, $this->entity
      ->getEntityType());
  }
  
  /**
   * @covers ::bundle
   */
  public function testBundle() : void {
    $this->assertSame($this->entityTypeId, $this->entity
      ->bundle());
  }
  
  /**
   * @covers ::label
   */
  public function testLabel() : void {
    $property_label = $this->randomMachineName();
    $this->entityType
      ->expects($this->atLeastOnce())
      ->method('getKey')
      ->with('label')
      ->willReturn('label');
    // Set a dummy property on the entity under test to test that the label can
    // be returned form a property if there is no callback.
    $this->entityTypeManager
      ->expects($this->atLeastOnce())
      ->method('getDefinition')
      ->with($this->entityTypeId)
      ->willReturn([
      'entity_keys' => [
        'label' => 'label',
      ],
    ]);
    $this->entity->label = $property_label;
    $this->assertSame($property_label, $this->entity
      ->label());
  }
  
  /**
   * @covers ::access
   */
  public function testAccess() : void {
    $access = $this->createMock('\\Drupal\\Core\\Entity\\EntityAccessControlHandlerInterface');
    $operation = $this->randomMachineName();
    $access->expects($this->once())
      ->method('access')
      ->with($this->entity, $operation)
      ->willReturn(AccessResult::allowed());
    $access->expects($this->once())
      ->method('createAccess')
      ->willReturn(AccessResult::allowed());
    $this->entityTypeManager
      ->expects($this->exactly(2))
      ->method('getAccessControlHandler')
      ->willReturn($access);
    $this->assertEquals(AccessResult::allowed(), $this->entity
      ->access($operation));
    $this->assertEquals(AccessResult::allowed(), $this->entity
      ->access('create'));
  }
  
  /**
   * @covers ::language
   */
  public function testLanguage() : void {
    $this->entityType
      ->expects($this->any())
      ->method('getKey')
      ->willReturnMap([
      [
        'langcode',
        'langcode',
      ],
    ]);
    $this->assertSame('en', $this->entity
      ->language()
      ->getId());
  }
  
  /**
   * Setup for the tests of the ::load() method.
   */
  public function setupTestLoad() {
    // Base our mocked entity on a real entity class so we can test if calling
    // Entity::load() on the base class will bubble up to an actual entity.
    $this->entityTypeId = 'entity_test_mul';
    $methods = get_class_methods(EntityTestMul::class);
    unset($methods[array_search('load', $methods)]);
    unset($methods[array_search('loadMultiple', $methods)]);
    unset($methods[array_search('create', $methods)]);
    $this->entity = $this->getMockBuilder(EntityTestMul::class)
      ->disableOriginalConstructor()
      ->onlyMethods($methods)
      ->getMock();
  }
  
  /**
   * @covers ::load
   *
   * Tests Entity::load() when called statically on a subclass of Entity.
   */
  public function testLoad() : void {
    $this->setupTestLoad();
    $class_name = get_class($this->entity);
    $entity_type_repository = $this->createMock(EntityTypeRepositoryInterface::class);
    $entity_type_repository->expects($this->once())
      ->method('getEntityTypeFromClass')
      ->with($class_name)
      ->willReturn($this->entityTypeId);
    $storage = $this->createMock(EntityStorageInterface::class);
    $storage->expects($this->once())
      ->method('load')
      ->with(1)
      ->willReturn($this->entity);
    $this->entityTypeManager
      ->expects($this->once())
      ->method('getStorage')
      ->with($this->entityTypeId)
      ->willReturn($storage);
    \Drupal::getContainer()->set('entity_type.repository', $entity_type_repository);
    // Call Entity::load statically and check that it returns the mock entity.
    $this->assertSame($this->entity, $class_name::load(1));
  }
  
  /**
   * @covers ::loadMultiple
   *
   * Tests Entity::loadMultiple() when called statically on a subclass of
   * Entity.
   */
  public function testLoadMultiple() : void {
    $this->setupTestLoad();
    $class_name = get_class($this->entity);
    $entity_type_repository = $this->createMock(EntityTypeRepositoryInterface::class);
    $entity_type_repository->expects($this->once())
      ->method('getEntityTypeFromClass')
      ->with($class_name)
      ->willReturn($this->entityTypeId);
    $storage = $this->createMock(EntityStorageInterface::class);
    $storage->expects($this->once())
      ->method('loadMultiple')
      ->with([
      1,
    ])
      ->willReturn([
      1 => $this->entity,
    ]);
    $this->entityTypeManager
      ->expects($this->once())
      ->method('getStorage')
      ->with($this->entityTypeId)
      ->willReturn($storage);
    \Drupal::getContainer()->set('entity_type.repository', $entity_type_repository);
    // Call Entity::loadMultiple statically and check that it returns the mock
    // entity.
    $this->assertSame([
      1 => $this->entity,
    ], $class_name::loadMultiple([
      1,
    ]));
  }
  
  /**
   * @covers ::create
   */
  public function testCreate() : void {
    $this->setupTestLoad();
    $class_name = get_class($this->entity);
    $entity_type_repository = $this->createMock(EntityTypeRepositoryInterface::class);
    $entity_type_repository->expects($this->once())
      ->method('getEntityTypeFromClass')
      ->with($class_name)
      ->willReturn($this->entityTypeId);
    $storage = $this->createMock(EntityStorageInterface::class);
    $storage->expects($this->once())
      ->method('create')
      ->with([])
      ->willReturn($this->entity);
    $this->entityTypeManager
      ->expects($this->once())
      ->method('getStorage')
      ->with($this->entityTypeId)
      ->willReturn($storage);
    \Drupal::getContainer()->set('entity_type.repository', $entity_type_repository);
    // Call Entity::create() statically and check that it returns the mock
    // entity.
    $this->assertSame($this->entity, $class_name::create([]));
  }
  
  /**
   * @covers ::save
   */
  public function testSave() : void {
    $storage = $this->createMock('\\Drupal\\Core\\Entity\\EntityStorageInterface');
    $storage->expects($this->once())
      ->method('save')
      ->with($this->entity);
    $this->entityTypeManager
      ->expects($this->once())
      ->method('getStorage')
      ->with($this->entityTypeId)
      ->willReturn($storage);
    $this->entity
      ->save();
  }
  
  /**
   * @covers ::delete
   */
  public function testDelete() : void {
    $this->entity->id = $this->randomMachineName();
    $storage = $this->createMock('\\Drupal\\Core\\Entity\\EntityStorageInterface');
    // Testing the argument of the delete() method consumes too much memory.
    $storage->expects($this->once())
      ->method('delete');
    $this->entityTypeManager
      ->expects($this->once())
      ->method('getStorage')
      ->with($this->entityTypeId)
      ->willReturn($storage);
    $this->entity
      ->delete();
  }
  
  /**
   * @covers ::getEntityTypeId
   */
  public function testGetEntityTypeId() : void {
    $this->assertSame($this->entityTypeId, $this->entity
      ->getEntityTypeId());
  }
  
  /**
   * @covers ::preSave
   */
  public function testPreSave() : void {
    // This method is internal, so check for errors on calling it only.
    $storage = $this->createMock('\\Drupal\\Core\\Entity\\EntityStorageInterface');
    // Our mocked entity->preSave() returns NULL, so assert that.
    $this->assertNull($this->entity
      ->preSave($storage));
  }
  
  /**
   * @covers ::postSave
   */
  public function testPostSave() : void {
    // This method is internal, so check for errors on calling it only.
    $storage = $this->createMock('\\Drupal\\Core\\Entity\\EntityStorageInterface');
    // A creation should trigger the invalidation of the "list" cache tag.
    $this->entity
      ->postSave($storage, FALSE);
    $this->cacheTagsInvalidator
      ->invalidateTags([
      $this->entityTypeId . '_list',
    ])
      ->shouldHaveBeenCalledOnce();
    // An update should trigger the invalidation of both the "list" and the
    // "own" cache tags.
    $this->entity
      ->postSave($storage, TRUE);
    $this->cacheTagsInvalidator
      ->invalidateTags([
      $this->entityTypeId . '_list',
      $this->entityTypeId . ':' . $this->values['id'],
    ])
      ->shouldHaveBeenCalledOnce();
  }
  
  /**
   * @covers ::postSave
   */
  public function testPostSaveBundle() : void {
    $this->entityType
      ->expects($this->atLeastOnce())
      ->method('hasKey')
      ->with('bundle')
      ->willReturn(TRUE);
    // This method is internal, so check for errors on calling it only.
    $storage = $this->createMock('\\Drupal\\Core\\Entity\\EntityStorageInterface');
    // A creation should trigger the invalidation of the global list cache tag
    // and the one for the bundle.
    $this->entity
      ->postSave($storage, FALSE);
    $this->cacheTagsInvalidator
      ->invalidateTags([
      $this->entityTypeId . '_list',
      $this->entityTypeId . '_list:' . $this->entity
        ->bundle(),
    ])
      ->shouldHaveBeenCalledOnce();
    // An update should trigger the invalidation of the "list", bundle list and
    // the "own" cache tags.
    $this->entity
      ->postSave($storage, TRUE);
    $this->cacheTagsInvalidator
      ->invalidateTags([
      $this->entityTypeId . '_list',
      $this->entityTypeId . '_list:' . $this->entity
        ->bundle(),
      $this->entityTypeId . ':' . $this->values['id'],
    ])
      ->shouldHaveBeenCalledOnce();
  }
  
  /**
   * @covers ::preCreate
   */
  public function testPreCreate() : void {
    // This method is internal, so check for errors on calling it only.
    $storage = $this->createMock('\\Drupal\\Core\\Entity\\EntityStorageInterface');
    $values = [];
    // Our mocked entity->preCreate() returns NULL, so assert that.
    $this->assertNull($this->entity
      ->preCreate($storage, $values));
  }
  
  /**
   * @covers ::postCreate
   */
  public function testPostCreate() : void {
    // This method is internal, so check for errors on calling it only.
    $storage = $this->createMock('\\Drupal\\Core\\Entity\\EntityStorageInterface');
    // Our mocked entity->postCreate() returns NULL, so assert that.
    $this->assertNull($this->entity
      ->postCreate($storage));
  }
  
  /**
   * @covers ::preDelete
   */
  public function testPreDelete() : void {
    // This method is internal, so check for errors on calling it only.
    $storage = $this->createMock('\\Drupal\\Core\\Entity\\EntityStorageInterface');
    // Our mocked entity->preDelete() returns NULL, so assert that.
    $this->assertNull($this->entity
      ->preDelete($storage, [
      $this->entity,
    ]));
  }
  
  /**
   * @covers ::postDelete
   */
  public function testPostDelete() : void {
    $storage = $this->createMock('\\Drupal\\Core\\Entity\\EntityStorageInterface');
    $storage->expects($this->once())
      ->method('getEntityType')
      ->willReturn($this->entityType);
    $entities = [
      $this->values['id'] => $this->entity,
    ];
    $this->entity
      ->postDelete($storage, $entities);
    $this->cacheTagsInvalidator
      ->invalidateTags([
      $this->entityTypeId . '_list',
      $this->entityTypeId . ':' . $this->values['id'],
    ])
      ->shouldHaveBeenCalledOnce();
  }
  
  /**
   * @covers ::postDelete
   */
  public function testPostDeleteBundle() : void {
    $this->entityType
      ->expects($this->atLeastOnce())
      ->method('hasKey')
      ->with('bundle')
      ->willReturn(TRUE);
    $storage = $this->createMock('\\Drupal\\Core\\Entity\\EntityStorageInterface');
    $storage->expects($this->once())
      ->method('getEntityType')
      ->willReturn($this->entityType);
    $entities = [
      $this->values['id'] => $this->entity,
    ];
    $this->entity
      ->postDelete($storage, $entities);
    // We avoid asserting on the order of array values, just that the values
    // all exist.
    $this->cacheTagsInvalidator
      ->invalidateTags(Argument::allOf(Argument::containing($this->entityTypeId . '_list'), Argument::containing($this->entityTypeId . ':' . $this->values['id']), Argument::containing($this->entityTypeId . '_list:' . $this->entity
      ->bundle())))
      ->shouldHaveBeenCalledOnce();
  }
  
  /**
   * @covers ::postLoad
   */
  public function testPostLoad() : void {
    // This method is internal, so check for errors on calling it only.
    $storage = $this->createMock('\\Drupal\\Core\\Entity\\EntityStorageInterface');
    $entities = [
      $this->entity,
    ];
    // Our mocked entity->postLoad() returns NULL, so assert that.
    $this->assertNull($this->entity
      ->postLoad($storage, $entities));
  }
  
  /**
   * @covers ::referencedEntities
   */
  public function testReferencedEntities() : void {
    $this->assertSame([], $this->entity
      ->referencedEntities());
  }
  
  /**
   * @covers ::getCacheTags
   * @covers ::getCacheTagsToInvalidate
   * @covers ::addCacheTags
   */
  public function testCacheTags() : void {
    // Ensure that both methods return the same by default.
    $this->assertEqualsCanonicalizing([
      $this->entityTypeId . ':' . 1,
    ], $this->entity
      ->getCacheTags());
    $this->assertEqualsCanonicalizing([
      $this->entityTypeId . ':' . 1,
    ], $this->entity
      ->getCacheTagsToInvalidate());
    // Add an additional cache tag and make sure only getCacheTags() returns
    // that.
    $this->entity
      ->addCacheTags([
      'additional_cache_tag',
    ]);
    // EntityTypeId is random so it can shift order. We need to duplicate the
    // sort from \Drupal\Core\Cache\Cache::mergeTags().
    $tags = [
      $this->entityTypeId . ':' . 1,
      'additional_cache_tag',
    ];
    $this->assertEqualsCanonicalizing($tags, $this->entity
      ->getCacheTags());
    $this->assertEqualsCanonicalizing([
      $this->entityTypeId . ':' . 1,
    ], $this->entity
      ->getCacheTagsToInvalidate());
  }
  
  /**
   * @covers ::getCacheContexts
   * @covers ::addCacheContexts
   */
  public function testCacheContexts() : void {
    $cache_contexts_manager = $this->getMockBuilder('Drupal\\Core\\Cache\\Context\\CacheContextsManager')
      ->disableOriginalConstructor()
      ->getMock();
    $cache_contexts_manager->method('assertValidTokens')
      ->willReturn(TRUE);
    $container = new ContainerBuilder();
    $container->set('cache_contexts_manager', $cache_contexts_manager);
    \Drupal::setContainer($container);
    // There are no cache contexts by default.
    $this->assertEqualsCanonicalizing([], $this->entity
      ->getCacheContexts());
    // Add an additional cache context.
    $this->entity
      ->addCacheContexts([
      'user',
    ]);
    $this->assertEqualsCanonicalizing([
      'user',
    ], $this->entity
      ->getCacheContexts());
  }
  
  /**
   * @covers ::getCacheMaxAge
   * @covers ::mergeCacheMaxAge
   */
  public function testCacheMaxAge() : void {
    // Cache max age is permanent by default.
    $this->assertEquals(Cache::PERMANENT, $this->entity
      ->getCacheMaxAge());
    // Set two cache max ages, the lower value is the one that needs to be
    // returned.
    $this->entity
      ->mergeCacheMaxAge(600);
    $this->entity
      ->mergeCacheMaxAge(1800);
    $this->assertEquals(600, $this->entity
      ->getCacheMaxAge());
  }

}