class RecursiveContextualValidatorTest

class RecursiveContextualValidatorTest extends UnitTestCase {
    
    /**
     * The type data manager.
     *
     * @var \Drupal\Core\TypedData\TypedDataManager
     */
    protected $typedDataManager;
    
    /**
     * The recursive validator.
     *
     * @var \Drupal\Core\TypedData\Validation\RecursiveValidator
     */
    protected $recursiveValidator;
    
    /**
     * The validator factory.
     *
     * @var \Symfony\Component\Validator\ConstraintValidatorFactoryInterface
     */
    protected $validatorFactory;
    
    /**
     * The execution context factory.
     *
     * @var \Drupal\Core\TypedData\Validation\ExecutionContextFactory
     */
    protected $contextFactory;
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
        $cache_backend = new NullBackend('cache');
        $namespaces = new \ArrayObject([
            'Drupal\\Core\\TypedData' => $this->root . '/core/lib/Drupal/Core/TypedData',
            'Drupal\\Core\\Validation' => $this->root . '/core/lib/Drupal/Core/Validation',
        ]);
        $module_handler = $this->getMockBuilder('Drupal\\Core\\Extension\\ModuleHandlerInterface')
            ->disableOriginalConstructor()
            ->getMock();
        $class_resolver = $this->getMockBuilder('Drupal\\Core\\DependencyInjection\\ClassResolverInterface')
            ->disableOriginalConstructor()
            ->getMock();
        $this->typedDataManager = new TypedDataManager($namespaces, $cache_backend, $module_handler, $class_resolver);
        $this->typedDataManager
            ->setValidationConstraintManager(new ConstraintManager($namespaces, $cache_backend, $module_handler));
        // Typed data definitions access the manager in the container.
        $container = new ContainerBuilder();
        $container->set('typed_data_manager', $this->typedDataManager);
        \Drupal::setContainer($container);
        $translator = $this->createMock('Drupal\\Core\\Validation\\TranslatorInterface');
        $translator->expects($this->any())
            ->method('trans')
            ->willReturnCallback(function ($id) {
            return $id;
        });
        $this->contextFactory = new ExecutionContextFactory($translator);
        $this->validatorFactory = new ConstraintValidatorFactory();
        $this->recursiveValidator = new RecursiveValidator($this->contextFactory, $this->validatorFactory, $this->typedDataManager);
    }
    
    /**
     * Ensures that passing an explicit group is not supported.
     *
     * @covers ::validate
     */
    public function testValidateWithGroups() {
        $this->expectException(\LogicException::class);
        $this->recursiveValidator
            ->validate('test', NULL, 'test group');
    }
    
    /**
     * Ensures that passing a non typed data value is not supported.
     *
     * @covers ::validate
     */
    public function testValidateWithoutTypedData() {
        $this->expectException(\InvalidArgumentException::class);
        $this->recursiveValidator
            ->validate('test');
    }
    
    /**
     * @covers ::validate
     */
    public function testBasicValidateWithoutConstraints() {
        $typed_data = $this->typedDataManager
            ->create(DataDefinition::create('string'));
        $violations = $this->recursiveValidator
            ->validate($typed_data);
        $this->assertCount(0, $violations);
    }
    
    /**
     * @covers ::validate
     */
    public function testBasicValidateWithConstraint() {
        $typed_data = $this->typedDataManager
            ->create(DataDefinition::create('string')->addConstraint('Callback', [
            'callback' => function ($value, ExecutionContextInterface $context) {
                $context->addViolation('test violation: ' . $value);
            },
        ]));
        $typed_data->setValue('foo');
        $violations = $this->recursiveValidator
            ->validate($typed_data);
        $this->assertCount(1, $violations);
        // Ensure that the right value is passed into the validator.
        $this->assertEquals('test violation: foo', $violations->get(0)
            ->getMessage());
    }
    
    /**
     * @covers ::validate
     */
    public function testBasicValidateWithMultipleConstraints() {
        $options = [
            'callback' => function ($value, ExecutionContextInterface $context) {
                $context->addViolation('test violation');
            },
        ];
        $typed_data = $this->typedDataManager
            ->create(DataDefinition::create('string')->addConstraint('Callback', $options)
            ->addConstraint('NotNull'));
        $violations = $this->recursiveValidator
            ->validate($typed_data);
        $this->assertCount(2, $violations);
    }
    
    /**
     * @covers ::validate
     */
    public function testPropertiesValidateWithMultipleLevels() {
        $typed_data = $this->buildExampleTypedDataWithProperties();
        $violations = $this->recursiveValidator
            ->validate($typed_data);
        $this->assertCount(6, $violations);
        $this->assertEquals('violation: 3', $violations->get(0)
            ->getMessage());
        $this->assertEquals('violation: value1', $violations->get(1)
            ->getMessage());
        $this->assertEquals('violation: value2', $violations->get(2)
            ->getMessage());
        $this->assertEquals('violation: 2', $violations->get(3)
            ->getMessage());
        $this->assertEquals('violation: subvalue1', $violations->get(4)
            ->getMessage());
        $this->assertEquals('violation: subvalue2', $violations->get(5)
            ->getMessage());
        $this->assertEquals('', $violations->get(0)
            ->getPropertyPath());
        $this->assertEquals('key1', $violations->get(1)
            ->getPropertyPath());
        $this->assertEquals('key2', $violations->get(2)
            ->getPropertyPath());
        $this->assertEquals('key_with_properties', $violations->get(3)
            ->getPropertyPath());
        $this->assertEquals('key_with_properties.subkey1', $violations->get(4)
            ->getPropertyPath());
        $this->assertEquals('key_with_properties.subkey2', $violations->get(5)
            ->getPropertyPath());
    }
    
    /**
     * Setups a typed data object used for test purposes.
     *
     * @param array $tree
     *   An array of value, constraints and properties.
     * @param string $name
     *   The name to use for the object.
     *
     * @return \Drupal\Core\TypedData\TypedDataInterface|\PHPUnit\Framework\MockObject\MockObject
     */
    protected function setupTypedData(array $tree, $name = '') {
        $callback = function ($value, ExecutionContextInterface $context) {
            $context->addViolation('violation: ' . (is_array($value) ? count($value) : $value));
        };
        $tree += [
            'constraints' => [],
        ];
        if (isset($tree['properties'])) {
            $map_data_definition = MapDataDefinition::create();
            $map_data_definition->addConstraint('Callback', [
                'callback' => $callback,
            ]);
            foreach ($tree['properties'] as $property_name => $property) {
                $sub_typed_data = $this->setupTypedData($property, $property_name);
                $map_data_definition->setPropertyDefinition($property_name, $sub_typed_data->getDataDefinition());
            }
            $typed_data = $this->typedDataManager
                ->create($map_data_definition, $tree['value'], $name);
        }
        else {
            
            /** @var \Drupal\Core\TypedData\TypedDataInterface $typed_data */
            $typed_data = $this->typedDataManager
                ->create(DataDefinition::create('string')->addConstraint('Callback', [
                'callback' => $callback,
            ]), $tree['value'], $name);
        }
        return $typed_data;
    }
    
    /**
     * @covers ::validateProperty
     */
    public function testValidatePropertyWithCustomGroup() {
        $tree = [
            'value' => [],
            'properties' => [
                'key1' => [
                    'value' => 'value1',
                ],
            ],
        ];
        $typed_data = $this->setupTypedData($tree, 'test_name');
        $this->expectException(\LogicException::class);
        $this->recursiveValidator
            ->validateProperty($typed_data, 'key1', 'test group');
    }
    
    /**
     * @covers ::validateProperty
     *
     * @dataProvider providerTestValidatePropertyWithInvalidObjects
     */
    public function testValidatePropertyWithInvalidObjects($object) {
        $this->expectException(\InvalidArgumentException::class);
        $this->recursiveValidator
            ->validateProperty($object, 'key1', NULL);
    }
    
    /**
     * Provides data for testValidatePropertyWithInvalidObjects.
     * @return array
     */
    public function providerTestValidatePropertyWithInvalidObjects() {
        $data = [];
        $data[] = [
            new \stdClass(),
        ];
        $data[] = [
            new class  {

},
        ];
        $data[] = [
            $this->createMock('Drupal\\Core\\TypedData\\TypedDataInterface'),
        ];
        return $data;
    }
    
    /**
     * @covers ::validateProperty
     */
    public function testValidateProperty() {
        $typed_data = $this->buildExampleTypedDataWithProperties();
        $violations = $this->recursiveValidator
            ->validateProperty($typed_data, 'key_with_properties');
        $this->assertCount(3, $violations);
        $this->assertEquals('violation: 2', $violations->get(0)
            ->getMessage());
        $this->assertEquals('violation: subvalue1', $violations->get(1)
            ->getMessage());
        $this->assertEquals('violation: subvalue2', $violations->get(2)
            ->getMessage());
        $this->assertEquals('', $violations->get(0)
            ->getPropertyPath());
        $this->assertEquals('subkey1', $violations->get(1)
            ->getPropertyPath());
        $this->assertEquals('subkey2', $violations->get(2)
            ->getPropertyPath());
    }
    
    /**
     * @covers ::validatePropertyValue
     *
     * @dataProvider providerTestValidatePropertyWithInvalidObjects
     */
    public function testValidatePropertyValueWithInvalidObjects($object) {
        $this->expectException(\InvalidArgumentException::class);
        $this->recursiveValidator
            ->validatePropertyValue($object, 'key1', [], NULL);
    }
    
    /**
     * @covers ::validatePropertyValue
     */
    public function testValidatePropertyValue() {
        $typed_data = $this->buildExampleTypedDataWithProperties([
            'subkey1' => 'subvalue11',
            'subkey2' => 'subvalue22',
        ]);
        $violations = $this->recursiveValidator
            ->validatePropertyValue($typed_data, 'key_with_properties', $typed_data->get('key_with_properties'));
        $this->assertCount(3, $violations);
        $this->assertEquals('violation: 2', $violations->get(0)
            ->getMessage());
        $this->assertEquals('violation: subvalue11', $violations->get(1)
            ->getMessage());
        $this->assertEquals('violation: subvalue22', $violations->get(2)
            ->getMessage());
        $this->assertEquals('', $violations->get(0)
            ->getPropertyPath());
        $this->assertEquals('subkey1', $violations->get(1)
            ->getPropertyPath());
        $this->assertEquals('subkey2', $violations->get(2)
            ->getPropertyPath());
    }
    
    /**
     * Builds some example type data object.
     *
     * @return \Drupal\Core\TypedData\TypedDataInterface|\PHPUnit\Framework\MockObject\MockObject
     */
    protected function buildExampleTypedDataWithProperties($subkey_value = NULL) {
        $subkey_value = $subkey_value ?: [
            'subkey1' => 'subvalue1',
            'subkey2' => 'subvalue2',
        ];
        $tree = [
            'value' => [
                'key1' => 'value1',
                'key2' => 'value2',
                'key_with_properties' => $subkey_value,
            ],
        ];
        $tree['properties'] = [
            'key1' => [
                'value' => 'value1',
            ],
            'key2' => [
                'value' => 'value2',
            ],
            'key_with_properties' => [
                'value' => $subkey_value ?: [
                    'subkey1' => 'subvalue1',
                    'subkey2' => 'subvalue2',
                ],
            ],
        ];
        $tree['properties']['key_with_properties']['properties']['subkey1'] = [
            'value' => $tree['properties']['key_with_properties']['value']['subkey1'],
        ];
        $tree['properties']['key_with_properties']['properties']['subkey2'] = [
            'value' => $tree['properties']['key_with_properties']['value']['subkey2'],
        ];
        return $this->setupTypedData($tree, 'test_name');
    }

}