class FieldDefinitionTest

class FieldDefinitionTest extends UnitTestCase {
    
    /**
     * A dummy field type name.
     *
     * @var string
     */
    protected $fieldType;
    
    /**
     * A dummy field type definition.
     *
     * @var array
     */
    protected $fieldTypeDefinition;
    
    /**
     * The test field storage definition.
     *
     * @var \Drupal\Core\Field\FieldStorageDefinitionInterface
     */
    protected $storageDefinition;
    
    /**
     * A flag for setting if the field storage supports translation.
     *
     * @var bool
     */
    protected $storageSupportsTranslation = TRUE;
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        $this->fieldType = $this->randomMachineName();
        $this->fieldTypeDefinition = [
            'id' => $this->fieldType,
            'field_settings' => [
                'some_instance_setting' => 'value 2',
            ],
            'storage_settings' => [
                'some_storage_setting' => 'some value',
            ],
        ];
        $field_type_manager = $this->prophesize(FieldTypePluginManagerInterface::class);
        $field_type_manager->getDefinitions()
            ->willReturn([
            $this->fieldType => $this->fieldTypeDefinition,
        ]);
        $field_type_manager->getDefinition()
            ->willReturn($this->fieldTypeDefinition);
        $field_type_manager->getDefaultFieldSettings($this->fieldType)
            ->willReturn($this->fieldTypeDefinition['field_settings']);
        $field_type_manager->getDefaultStorageSettings($this->fieldType)
            ->willReturn($this->fieldTypeDefinition['storage_settings']);
        $storage_definition = $this->prophesize(FieldStorageDefinitionInterface::class);
        $storage_definition->getMainPropertyName()
            ->willReturn('value');
        $storage_definition->getType()
            ->willReturn($this->fieldType);
        $storage_definition->getName()
            ->willReturn('test_field_name');
        $storage_supports_translation =& $this->storageSupportsTranslation;
        $storage_definition->isTranslatable()
            ->will(function () use (&$storage_supports_translation) {
            return $storage_supports_translation;
        });
        $storage_definition->getSettings()
            ->willReturn($this->fieldTypeDefinition['storage_settings']);
        $storage_definition->getSetting('some_storage_setting')
            ->willReturn($this->fieldTypeDefinition['storage_settings']['some_storage_setting']);
        $this->storageDefinition = $storage_definition->reveal();
        $entity_field_manager = $this->prophesize(EntityFieldManagerInterface::class);
        $entity_field_manager->getFieldStorageDefinitions('entity_test')
            ->willReturn([
            'foo' => $storage_definition->reveal(),
        ]);
        $typed_data_manager = $this->prophesize(TypedDataManager::class);
        $container = new ContainerBuilder();
        $container->set('plugin.manager.field.field_type', $field_type_manager->reveal());
        $container->set('entity_field.manager', $entity_field_manager->reveal());
        $container->set('typed_data_manager', $typed_data_manager->reveal());
        \Drupal::setContainer($container);
    }
    
    /**
     * @covers ::getName
     * @dataProvider factoryTypeProvider
     */
    public function testFieldName($factory_name) {
        $definition = $this->initializeFieldUsingFactory($factory_name);
        $this->assertEquals($this->storageDefinition
            ->getName(), $definition->getName());
    }
    
    /**
     * @covers ::getLabel
     * @dataProvider factoryTypeProvider
     */
    public function testFieldLabel($factory_name) {
        $definition = $this->initializeFieldUsingFactory($factory_name);
        $label = $this->randomMachineName();
        $definition->setLabel($label);
        $this->assertEquals($label, $definition->getLabel());
    }
    
    /**
     * @covers ::setTargetBundle
     * @covers ::getTargetBundle
     * @dataProvider factoryTypeProvider
     */
    public function testBundle($factory_name) {
        $definition = $this->initializeFieldUsingFactory($factory_name);
        $bundle = $this->randomMachineName();
        $definition->setTargetBundle($bundle);
        $this->assertEquals($bundle, $definition->getTargetBundle());
    }
    
    /**
     * @covers ::getDescription
     * @dataProvider factoryTypeProvider
     */
    public function testFieldDescription($factory_name) {
        $definition = $this->initializeFieldUsingFactory($factory_name);
        $description = $this->randomMachineName();
        $definition->setDescription($description);
        $this->assertEquals($description, $definition->getDescription());
    }
    
    /**
     * @covers ::getType
     * @dataProvider factoryTypeProvider
     */
    public function testFieldType($factory_name) {
        $definition = $this->initializeFieldUsingFactory($factory_name);
        $this->assertEquals($this->fieldType, $definition->getType());
    }
    
    /**
     * @covers ::getSetting
     * @covers ::setSetting
     * @covers ::getSettings
     * @dataProvider factoryTypeProvider
     */
    public function testFieldSettings($factory_name) {
        $definition = $this->initializeFieldUsingFactory($factory_name);
        $setting = $this->randomMachineName();
        $value = $this->randomMachineName();
        $definition->setSetting($setting, $value);
        $this->assertEquals($value, $definition->getSetting($setting));
        $default_settings = $this->fieldTypeDefinition['field_settings'] + $this->fieldTypeDefinition['storage_settings'];
        $this->assertEquals([
            $setting => $value,
        ] + $default_settings, $definition->getSettings());
    }
    
    /**
     * @covers ::getSetting
     * @covers ::setSetting
     * @covers ::getSettings
     * @dataProvider factoryTypeProvider
     */
    public function testDefaultFieldSettings($factory_name) {
        $definition = $this->initializeFieldUsingFactory($factory_name);
        $expected_settings = $this->fieldTypeDefinition['field_settings'] + $this->fieldTypeDefinition['storage_settings'];
        $this->assertEquals($expected_settings, $definition->getSettings());
        foreach ($expected_settings as $setting => $value) {
            $this->assertEquals($value, $definition->getSetting($setting));
        }
    }
    
    /**
     * @covers ::getDefaultValue
     * @covers ::setDefaultValue
     * @dataProvider factoryTypeProvider
     */
    public function testFieldDefaultValue($factory_name) {
        $definition = $this->initializeFieldUsingFactory($factory_name);
        $this->assertEquals([], $definition->getDefaultValueLiteral());
        $default_value = [
            'value' => $this->randomMachineName(),
        ];
        $expected_default_value = [
            $default_value,
        ];
        $definition->setDefaultValue($default_value);
        $entity = $this->getMockBuilder('Drupal\\Core\\Entity\\ContentEntityBase')
            ->disableOriginalConstructor()
            ->getMock();
        // Set the field item list class to be used to avoid requiring the typed
        // data manager to retrieve it.
        $definition->setClass('Drupal\\Core\\Field\\FieldItemList');
        $this->assertEquals($expected_default_value, $definition->getDefaultValue($entity));
        $data_definition = $this->getMockBuilder('Drupal\\Core\\TypedData\\DataDefinition')
            ->disableOriginalConstructor()
            ->getMock();
        $data_definition->expects($this->any())
            ->method('getClass')
            ->willReturn('Drupal\\Core\\Field\\FieldItemBase');
        $definition->setItemDefinition($data_definition);
        // Set default value only with a literal.
        $definition->setDefaultValue($default_value['value']);
        $this->assertEquals($expected_default_value, $definition->getDefaultValue($entity));
        // Set default value with an indexed array.
        $definition->setDefaultValue($expected_default_value);
        $this->assertEquals($expected_default_value, $definition->getDefaultValue($entity));
        // Set default value with an empty array.
        $definition->setDefaultValue([]);
        $this->assertEquals([], $definition->getDefaultValue($entity));
        // Set default value with NULL.
        $definition->setDefaultValue(NULL);
        $this->assertEquals([], $definition->getDefaultValue($entity));
    }
    
    /**
     * Tests field translatable methods.
     *
     * @covers ::isTranslatable
     * @covers ::setTranslatable
     * @dataProvider factoryTypeProvider
     */
    public function testFieldTranslatable($factory_name) {
        $definition = $this->initializeFieldUsingFactory($factory_name);
        $this->assertFalse($definition->isTranslatable());
        $definition->setTranslatable(TRUE);
        $this->assertTrue($definition->isTranslatable());
        $definition->setTranslatable(FALSE);
        $this->assertFalse($definition->isTranslatable());
        $this->storageSupportsTranslation = FALSE;
        $definition->setTranslatable(TRUE);
        $this->assertFalse($this->storageDefinition
            ->isTranslatable());
        $this->assertFalse($definition->isTranslatable());
    }
    
    /**
     * Tests required.
     *
     * @covers ::isRequired
     * @covers ::setRequired
     * @dataProvider factoryTypeProvider
     */
    public function testFieldRequired($factory_name) {
        $definition = $this->initializeFieldUsingFactory($factory_name);
        $this->assertFalse($definition->isRequired());
        $definition->setRequired(TRUE);
        $this->assertTrue($definition->isRequired());
        $definition->setRequired(FALSE);
        $this->assertFalse($definition->isRequired());
    }
    
    /**
     * Tests default value callbacks.
     *
     * @covers ::setDefaultValueCallback
     * @dataProvider factoryTypeProvider
     */
    public function testDefaultValueCallback($factory_name) {
        $definition = $this->initializeFieldUsingFactory($factory_name);
        $callback = static::class . '::mockDefaultValueCallback';
        // setDefaultValueCallback returns $this.
        $this->assertSame($definition, $definition->setDefaultValueCallback($callback));
        $this->assertSame($callback, $definition->getDefaultValueCallback());
    }
    
    /**
     * Tests invalid default value callbacks.
     *
     * @covers ::setDefaultValueCallback
     * @dataProvider factoryTypeProvider
     */
    public function testInvalidDefaultValueCallback($factory_name) {
        $definition = $this->initializeFieldUsingFactory($factory_name);
        // setDefaultValueCallback returns $this.
        $this->expectException(\InvalidArgumentException::class);
        $definition->setDefaultValueCallback([
            static::class,
            'mockDefaultValueCallback',
        ]);
    }
    
    /**
     * Tests NULL default value callbacks.
     *
     * @covers ::setDefaultValueCallback
     * @dataProvider factoryTypeProvider
     */
    public function testNullDefaultValueCallback($factory_name) {
        $definition = $this->initializeFieldUsingFactory($factory_name);
        // setDefaultValueCallback returns $this.
        $this->assertSame($definition, $definition->setDefaultValueCallback(NULL));
        $this->assertSame(NULL, $definition->getDefaultValueCallback());
    }
    
    /**
     * Tests the display configuration settings.
     *
     * @covers ::isDisplayConfigurable
     * @covers ::getDisplayOptions
     * @dataProvider factoryTypeProvider
     */
    public function testDisplayConfigurationSettings($factory_name) {
        $definition = $this->initializeFieldUsingFactory($factory_name);
        $this->assertEquals(FALSE, $definition->isDisplayConfigurable('foo'));
        $this->assertEquals(NULL, $definition->getDisplayOptions('foo'));
        $definition->setDisplayConfigurable('foo', TRUE);
        $this->assertEquals(TRUE, $definition->isDisplayConfigurable('foo'));
        $this->assertEquals([
            'region' => 'hidden',
        ], $definition->getDisplayOptions('foo'));
        $definition->setDisplayOptions('foo', [
            'foo' => 'bar',
        ]);
        $this->assertEquals([
            'foo' => 'bar',
        ], $definition->getDisplayOptions('foo'));
    }
    
    /**
     * Provides a Mock base field default value callback.
     *
     * @param \Drupal\Core\Entity\EntityInterface $entity
     *   Entity interface.
     * @param \Drupal\Core\Field\FieldDefinitionInterface $definition
     *   Field definition.
     *
     * @return string
     *   Default value.
     */
    public static function mockDefaultValueCallback($entity, $definition) {
        return 'a default value';
    }
    
    /**
     * A data provider for all the types of factories that can create definitions.
     */
    public function factoryTypeProvider() {
        return [
            '::createFromFieldStorageDefinition factory' => [
                'createFromFieldStorageDefinition',
            ],
            '::create factory' => [
                'create',
            ],
            '::createFromDataType factory' => [
                'createFromDataType',
            ],
            '::createFromItemType factory' => [
                'createFromItemType',
            ],
        ];
    }
    
    /**
     * Creates a bundle field using a specified factory.
     *
     * @param string $factory_name
     *   The factory name to use.
     *
     * @return \Drupal\Core\Field\FieldDefinition
     */
    protected function initializeFieldUsingFactory($factory_name) {
        switch ($factory_name) {
            case 'createFromFieldStorageDefinition':
                return FieldDefinition::createFromFieldStorageDefinition($this->storageDefinition);
            case 'create':
                $definition = FieldDefinition::create($this->fieldType);
                $definition->setFieldStorageDefinition($this->storageDefinition);
                return $definition;
            case 'createFromDataType':
                $definition = FieldDefinition::createFromDataType($this->fieldType);
                $definition->setFieldStorageDefinition($this->storageDefinition);
                return $definition;
            case 'createFromItemType':
                $definition = FieldDefinition::createFromItemType($this->fieldType);
                $definition->setFieldStorageDefinition($this->storageDefinition);
                return $definition;
        }
        throw new \InvalidArgumentException("Invalid factory name '{$factory_name}' passed to " . __METHOD__);
    }

}