class EntityConverterTest

class EntityConverterTest extends UnitTestCase {

  /**
   * The mocked entity type manager.
   *
   * @var \Drupal\Core\Entity\EntityTypeManagerInterface|\PHPUnit\Framework\MockObject\MockObject
   */
  protected $entityTypeManager;

  /**
   * The mocked entities repository.
   *
   * @var \Drupal\Core\Entity\EntityRepositoryInterface|\PHPUnit\Framework\MockObject\MockObject
   */
  protected $entityRepository;

  /**
   * The tested entity converter.
   *
   * @var \Drupal\Core\ParamConverter\EntityConverter
   */
  protected $entityConverter;

  /**
   * {@inheritdoc}
   */
  protected function setUp() : void {
    parent::setUp();
    $this->entityTypeManager = $this
      ->createMock(EntityTypeManagerInterface::class);
    $this->entityRepository = $this
      ->createMock(EntityRepositoryInterface::class);
    $this->entityConverter = new EntityConverter($this->entityTypeManager, $this->entityRepository);
  }

  /**
   * Sets up mock services and class instances.
   *
   * @param object[] $service_map
   *   An associative array of service instances keyed by service name.
   */
  protected function setUpMocks($service_map = []) {
    $entity = $this
      ->createMock(ContentEntityInterface::class);
    $entity
      ->expects($this
      ->any())
      ->method('getEntityTypeId')
      ->willReturn('entity_test');
    $entity
      ->expects($this
      ->any())
      ->method('id')
      ->willReturn('id');
    $entity
      ->expects($this
      ->any())
      ->method('isTranslatable')
      ->willReturn(FALSE);
    $entity
      ->expects($this
      ->any())
      ->method('getLoadedRevisionId')
      ->willReturn('revision_id');
    $storage = $this
      ->createMock(ContentEntityStorageInterface::class);
    $storage
      ->expects($this
      ->any())
      ->method('load')
      ->with('id')
      ->willReturn($entity);
    $storage
      ->expects($this
      ->any())
      ->method('getLatestRevisionId')
      ->with('id')
      ->willReturn('revision_id');
    $this->entityTypeManager
      ->expects($this
      ->any())
      ->method('getStorage')
      ->with('entity_test')
      ->willReturn($storage);
    $entity_type = $this
      ->createMock(ContentEntityTypeInterface::class);
    $entity_type
      ->expects($this
      ->any())
      ->method('isRevisionable')
      ->willReturn(TRUE);
    $this->entityTypeManager
      ->expects($this
      ->any())
      ->method('getDefinition')
      ->with('entity_test')
      ->willReturn($entity_type);
    $context_definition = $this
      ->createMock(DataDefinition::class);
    foreach ([
      'setLabel',
      'setDescription',
      'setRequired',
      'setConstraints',
    ] as $method) {
      $context_definition
        ->expects($this
        ->any())
        ->method($method)
        ->willReturn($context_definition);
    }
    $context_definition
      ->expects($this
      ->any())
      ->method('getConstraints')
      ->willReturn([]);
    $typed_data_manager = $this
      ->createMock(TypedDataManagerInterface::class);
    $typed_data_manager
      ->expects($this
      ->any())
      ->method('create')
      ->willReturn($this
      ->createMock(TypedDataInterface::class));
    $typed_data_manager
      ->expects($this
      ->any())
      ->method('createDataDefinition')
      ->willReturn($context_definition);
    $service_map += [
      'typed_data_manager' => $typed_data_manager,
    ];

    /** @var \Symfony\Component\DependencyInjection\ContainerInterface|\PHPUnit\Framework\MockObject\MockObject $container */
    $container = $this
      ->createMock(ContainerInterface::class);
    $return_map = [];
    foreach ($service_map as $name => $service) {
      $return_map[] = [
        $name,
        1,
        $service,
      ];
    }
    $container
      ->expects($this
      ->any())
      ->method('get')
      ->willReturnMap($return_map);
    \Drupal::setContainer($container);
  }

  /**
   * Tests the applies() method.
   *
   * @dataProvider providerTestApplies
   *
   * @covers ::applies
   */
  public function testApplies(array $definition, $name, Route $route, $applies) {
    $this->entityTypeManager
      ->expects($this
      ->any())
      ->method('hasDefinition')
      ->willReturnCallback(function ($entity_type) {
      return 'entity_test' == $entity_type;
    });
    $this
      ->assertEquals($applies, $this->entityConverter
      ->applies($definition, $name, $route));
  }

  /**
   * Provides test data for testApplies()
   */
  public static function providerTestApplies() {
    $data = [];
    $data[] = [
      [
        'type' => 'entity:foo',
      ],
      'foo',
      new Route('/test/{foo}/bar'),
      FALSE,
    ];
    $data[] = [
      [
        'type' => 'entity:entity_test',
      ],
      'foo',
      new Route('/test/{foo}/bar'),
      TRUE,
    ];
    $data[] = [
      [
        'type' => 'entity:entity_test',
      ],
      'entity_test',
      new Route('/test/{entity_test}/bar'),
      TRUE,
    ];
    $data[] = [
      [
        'type' => 'entity:{entity_test}',
      ],
      'entity_test',
      new Route('/test/{entity_test}/bar'),
      FALSE,
    ];
    $data[] = [
      [
        'type' => 'entity:{entity_type}',
      ],
      'entity_test',
      new Route('/test/{entity_type}/{entity_test}/bar'),
      TRUE,
    ];
    $data[] = [
      [
        'type' => 'foo',
      ],
      'entity_test',
      new Route('/test/{entity_type}/{entity_test}/bar'),
      FALSE,
    ];
    return $data;
  }

  /**
   * Tests the convert() method.
   *
   * @dataProvider providerTestConvert
   *
   * @covers ::convert
   */
  public function testConvert($value, array $definition, array $defaults, $expected_result) {
    $this
      ->setUpMocks();
    $this->entityRepository
      ->expects($this
      ->any())
      ->method('getCanonical')
      ->willReturnCallback(function ($entity_type_id, $entity_id) {
      return $entity_type_id === 'entity_test' && $entity_id === 'valid_id' ? (object) [
        'id' => 'valid_id',
      ] : NULL;
    });
    $this
      ->assertEquals($expected_result, $this->entityConverter
      ->convert($value, $definition, 'foo', $defaults));
  }

  /**
   * Provides test data for testConvert.
   */
  public static function providerTestConvert() {
    $data = [];

    // Existing entity type.
    $data[] = [
      'valid_id',
      [
        'type' => 'entity:entity_test',
      ],
      [
        'foo' => 'valid_id',
      ],
      (object) [
        'id' => 'valid_id',
      ],
    ];

    // Invalid ID.
    $data[] = [
      'invalid_id',
      [
        'type' => 'entity:entity_test',
      ],
      [
        'foo' => 'invalid_id',
      ],
      NULL,
    ];

    // Entity type placeholder.
    $data[] = [
      'valid_id',
      [
        'type' => 'entity:{entity_type}',
      ],
      [
        'foo' => 'valid_id',
        'entity_type' => 'entity_test',
      ],
      (object) [
        'id' => 'valid_id',
      ],
    ];
    return $data;
  }

  /**
   * Tests the convert() method with an invalid entity type.
   */
  public function testConvertWithInvalidEntityType() {
    $this
      ->setUpMocks();
    $plugin_id = 'invalid_id';
    $contexts = [
      'operation' => 'entity_upcast',
    ];
    $this->entityRepository
      ->expects($this
      ->once())
      ->method('getCanonical')
      ->with($plugin_id, 'id', $contexts)
      ->willThrowException(new PluginNotFoundException($plugin_id));
    $this
      ->expectException(PluginNotFoundException::class);
    $this->entityConverter
      ->convert('id', [
      'type' => 'entity:' . $plugin_id,
    ], 'foo', [
      'foo' => 'id',
    ]);
  }

  /**
   * Tests the convert() method with an invalid dynamic entity type.
   */
  public function testConvertWithInvalidDynamicEntityType() {
    $this
      ->expectException(ParamNotConvertedException::class);
    $this
      ->expectExceptionMessage('The "foo" parameter was not converted because the "invalid_id" parameter is missing.');
    $this->entityConverter
      ->convert('id', [
      'type' => 'entity:{invalid_id}',
    ], 'foo', [
      'foo' => 'id',
    ]);
  }

}