class ImageStyleIntegrationTest

class ImageStyleIntegrationTest extends KernelTestBase {
    
    /**
     * {@inheritdoc}
     */
    protected static $modules = [
        'image',
        'file',
        'field',
        'system',
        'user',
        'node',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
        $this->installEntitySchema('node');
    }
    
    /**
     * Tests the dependency between ImageStyle and entity display components.
     */
    public function testEntityDisplayDependency() {
        // Create two image styles.
        
        /** @var \Drupal\image\ImageStyleInterface $style */
        $style = ImageStyle::create([
            'name' => 'main_style',
        ]);
        $style->save();
        
        /** @var \Drupal\image\ImageStyleInterface $replacement */
        $replacement = ImageStyle::create([
            'name' => 'replacement_style',
        ]);
        $replacement->save();
        // Create a node-type, named 'note'.
        $node_type = NodeType::create([
            'type' => 'note',
        ]);
        $node_type->save();
        // Create an image field and attach it to the 'note' node-type.
        FieldStorageConfig::create([
            'entity_type' => 'node',
            'field_name' => 'sticker',
            'type' => 'image',
        ])->save();
        FieldConfig::create([
            'entity_type' => 'node',
            'field_name' => 'sticker',
            'bundle' => 'note',
        ])->save();
        // Create the default entity view display and set the 'sticker' field to use
        // the 'main_style' images style in formatter.
        
        /** @var \Drupal\Core\Entity\Display\EntityViewDisplayInterface $view_display */
        $view_display = EntityViewDisplay::create([
            'targetEntityType' => 'node',
            'bundle' => 'note',
            'mode' => 'default',
            'status' => TRUE,
        ])->setComponent('sticker', [
            'settings' => [
                'image_style' => 'main_style',
            ],
        ]);
        $view_display->save();
        // Create the default entity form display and set the 'sticker' field to use
        // the 'main_style' images style in the widget.
        
        /** @var \Drupal\Core\Entity\Display\EntityFormDisplayInterface $form_display */
        $form_display = EntityFormDisplay::create([
            'targetEntityType' => 'node',
            'bundle' => 'note',
            'mode' => 'default',
            'status' => TRUE,
        ])->setComponent('sticker', [
            'settings' => [
                'preview_image_style' => 'main_style',
            ],
        ]);
        $form_display->save();
        // Check that the entity displays exists before dependency removal.
        $this->assertNotNull(EntityViewDisplay::load($view_display->id()));
        $this->assertNotNull(EntityFormDisplay::load($form_display->id()));
        // Delete the 'main_style' image style. Before that, emulate the UI process
        // of selecting a replacement style by setting the replacement image style
        // ID in the image style storage.
        
        /** @var \Drupal\image\ImageStyleStorageInterface $storage */
        $storage = $this->container
            ->get('entity_type.manager')
            ->getStorage($style->getEntityTypeId());
        $storage->setReplacementId('main_style', 'replacement_style');
        $style->delete();
        // Check that the entity displays exists after dependency removal.
        $this->assertNotNull($view_display = EntityViewDisplay::load($view_display->id()));
        $this->assertNotNull($form_display = EntityFormDisplay::load($form_display->id()));
        // Check that the 'sticker' formatter component exists in both displays.
        $this->assertNotNull($formatter = $view_display->getComponent('sticker'));
        $this->assertNotNull($widget = $form_display->getComponent('sticker'));
        // Check that both displays are using now 'replacement_style' for images.
        $this->assertSame('replacement_style', $formatter['settings']['image_style']);
        $this->assertSame('replacement_style', $widget['settings']['preview_image_style']);
        // Delete the 'replacement_style' without setting a replacement image style.
        $replacement->delete();
        // The entity view and form displays exists after dependency removal.
        $this->assertNotNull($view_display = EntityViewDisplay::load($view_display->id()));
        $this->assertNotNull($form_display = EntityFormDisplay::load($form_display->id()));
        // The 'sticker' formatter component should be hidden in view display.
        $this->assertNull($view_display->getComponent('sticker'));
        $this->assertTrue($view_display->get('hidden')['sticker']);
        // The 'sticker' widget component should be active in form displays, but the
        // image preview should be disabled.
        $this->assertNotNull($widget = $form_display->getComponent('sticker'));
        $this->assertSame('', $widget['settings']['preview_image_style']);
    }
    
    /**
     * Tests renaming the ImageStyle.
     */
    public function testEntityDisplayDependencyRename() {
        // Create an image style.
        
        /** @var \Drupal\image\ImageStyleInterface $style */
        $style = ImageStyle::create([
            'name' => 'main_style',
        ]);
        $style->save();
        // Create a node-type, named 'note'.
        $node_type = NodeType::create([
            'type' => 'note',
        ]);
        $node_type->save();
        // Create an image field and attach it to the 'note' node-type.
        FieldStorageConfig::create([
            'entity_type' => 'node',
            'field_name' => 'sticker',
            'type' => 'image',
        ])->save();
        FieldConfig::create([
            'entity_type' => 'node',
            'field_name' => 'sticker',
            'bundle' => 'note',
        ])->save();
        // Create the default entity view display and set the 'sticker' field to use
        // the 'main_style' images style in formatter.
        
        /** @var \Drupal\Core\Entity\Display\EntityViewDisplayInterface $view_display */
        $view_display = EntityViewDisplay::create([
            'targetEntityType' => 'node',
            'bundle' => 'note',
            'mode' => 'default',
            'status' => TRUE,
        ])->setComponent('sticker', [
            'settings' => [
                'image_style' => 'main_style',
            ],
        ]);
        $view_display->save();
        // Create the default entity form display and set the 'sticker' field to use
        // the 'main_style' images style in the widget.
        
        /** @var \Drupal\Core\Entity\Display\EntityFormDisplayInterface $form_display */
        $form_display = EntityFormDisplay::create([
            'targetEntityType' => 'node',
            'bundle' => 'note',
            'mode' => 'default',
            'status' => TRUE,
        ])->setComponent('sticker', [
            'settings' => [
                'preview_image_style' => 'main_style',
            ],
        ]);
        $form_display->save();
        // Check that the entity displays exists before dependency renaming.
        $this->assertNotNull(EntityViewDisplay::load($view_display->id()));
        $this->assertNotNull(EntityFormDisplay::load($form_display->id()));
        // Rename the 'main_style' image style.
        $style->setName('main_style_renamed');
        $style->save();
        // Check that the entity displays exists after dependency renaming.
        $this->assertNotNull($view_display = EntityViewDisplay::load($view_display->id()));
        $this->assertNotNull($form_display = EntityFormDisplay::load($form_display->id()));
        // Check that the 'sticker' formatter component exists in both displays.
        $this->assertNotNull($formatter = $view_display->getComponent('sticker'));
        $this->assertNotNull($widget = $form_display->getComponent('sticker'));
        // Check that both displays are using now 'main_style_renamed' for images.
        $this->assertSame('main_style_renamed', $formatter['settings']['image_style']);
        $this->assertSame('main_style_renamed', $widget['settings']['preview_image_style']);
    }

}