class ImageItemTest

class ImageItemTest extends FieldKernelTestBase {
    
    /**
     * Modules to enable.
     *
     * @var array
     */
    public static $modules = [
        'file',
        'image',
    ];
    
    /**
     * Created file entity.
     *
     * @var \Drupal\file\Entity\File
     */
    protected $image;
    
    /**
     * @var \Drupal\Core\Image\ImageFactory
     */
    protected $imageFactory;
    protected function setUp() {
        parent::setUp();
        $this->installEntitySchema('user');
        $this->installConfig([
            'user',
        ]);
        // Give anonymous users permission to access content, so that we can view
        // and download public file.
        $anonymous_role = Role::load(Role::ANONYMOUS_ID);
        $anonymous_role->grantPermission('access content');
        $anonymous_role->save();
        $this->installEntitySchema('file');
        $this->installSchema('file', [
            'file_usage',
        ]);
        FieldStorageConfig::create([
            'entity_type' => 'entity_test',
            'field_name' => 'image_test',
            'type' => 'image',
            'cardinality' => FieldStorageDefinitionInterface::CARDINALITY_UNLIMITED,
        ])->save();
        FieldConfig::create([
            'entity_type' => 'entity_test',
            'field_name' => 'image_test',
            'bundle' => 'entity_test',
            'settings' => [
                'file_extensions' => 'jpg',
            ],
        ])->save();
        \Drupal::service('file_system')->copy($this->root . '/core/misc/druplicon.png', 'public://example.jpg');
        $this->image = File::create([
            'uri' => 'public://example.jpg',
        ]);
        $this->image
            ->save();
        $this->imageFactory = $this->container
            ->get('image.factory');
    }
    
    /**
     * Tests using entity fields of the image field type.
     */
    public function testImageItem() {
        // Create a test entity with the image field set.
        $entity = EntityTest::create();
        $entity->image_test->target_id = $this->image
            ->id();
        $entity->image_test->alt = $alt = $this->randomMachineName();
        $entity->image_test->title = $title = $this->randomMachineName();
        $entity->name->value = $this->randomMachineName();
        $entity->save();
        $entity = EntityTest::load($entity->id());
        $this->assertInstanceOf(FieldItemListInterface::class, $entity->image_test);
        $this->assertInstanceOf(FieldItemInterface::class, $entity->image_test[0]);
        $this->assertEqual($entity->image_test->target_id, $this->image
            ->id());
        $this->assertEqual($entity->image_test->alt, $alt);
        $this->assertEqual($entity->image_test->title, $title);
        $image = $this->imageFactory
            ->get('public://example.jpg');
        $this->assertEqual($entity->image_test->width, $image->getWidth());
        $this->assertEqual($entity->image_test->height, $image->getHeight());
        $this->assertEqual($entity->image_test->entity
            ->id(), $this->image
            ->id());
        $this->assertEqual($entity->image_test->entity
            ->uuid(), $this->image
            ->uuid());
        // Make sure the computed entity reflects updates to the referenced file.
        \Drupal::service('file_system')->copy($this->root . '/core/misc/druplicon.png', 'public://example-2.jpg');
        $image2 = File::create([
            'uri' => 'public://example-2.jpg',
        ]);
        $image2->save();
        $entity->image_test->target_id = $image2->id();
        $entity->image_test->alt = $new_alt = $this->randomMachineName();
        // The width and height is only updated when width is not set.
        $entity->image_test->width = NULL;
        $entity->save();
        $this->assertEqual($entity->image_test->entity
            ->id(), $image2->id());
        $this->assertEqual($entity->image_test->entity
            ->getFileUri(), $image2->getFileUri());
        $image = $this->imageFactory
            ->get('public://example-2.jpg');
        $this->assertEqual($entity->image_test->width, $image->getWidth());
        $this->assertEqual($entity->image_test->height, $image->getHeight());
        $this->assertEqual($entity->image_test->alt, $new_alt);
        // Check that the image item can be set to the referenced file directly.
        $entity->image_test = $this->image;
        $this->assertEqual($entity->image_test->target_id, $this->image
            ->id());
        // Delete the image and try to save the entity again.
        $this->image
            ->delete();
        $entity = EntityTest::create([
            'mame' => $this->randomMachineName(),
        ]);
        $entity->save();
        // Test image item properties.
        $expected = [
            'target_id',
            'entity',
            'alt',
            'title',
            'width',
            'height',
        ];
        $properties = $entity->getFieldDefinition('image_test')
            ->getFieldStorageDefinition()
            ->getPropertyDefinitions();
        $this->assertEqual(array_keys($properties), $expected);
        // Test the generateSampleValue() method.
        $entity = EntityTest::create();
        $entity->image_test
            ->generateSampleItems();
        $this->entityValidateAndSave($entity);
        $this->assertEqual($entity->image_test->entity
            ->get('filemime')->value, 'image/jpeg');
    }
    
    /**
     * Tests a malformed image.
     */
    public function testImageItemMalformed() {
        // Validate entity is an image and don't gather dimensions if it is not.
        $entity = EntityTest::create();
        $entity->image_test = NULL;
        $entity->image_test->target_id = 9999;
        // PHPUnit re-throws E_USER_WARNING as an exception.
        try {
            $entity->save();
            $this->fail('Exception did not fail');
        } catch (EntityStorageException $exception) {
            $this->assertInstanceOf(Warning::class, $exception->getPrevious());
            $this->assertEquals($exception->getMessage(), 'Missing file with ID 9999.');
            $this->assertEmpty($entity->image_test->width);
            $this->assertEmpty($entity->image_test->height);
        }
    }

}