ImageLazyLoadUpdateTest.php

<?php

namespace Drupal\Tests\image\Functional;

use Drupal\FunctionalTests\Update\UpdatePathTestBase;

/**
 * Tests lazy-load upgrade path.
 *
 * @group image
 */
class ImageLazyLoadUpdateTest extends UpdatePathTestBase {
    
    /**
     * {@inheritdoc}
     */
    protected function setDatabaseDumpFiles() {
        $this->databaseDumpFiles = [
            __DIR__ . '/../../../../system/tests/fixtures/update/drupal-9.3.0.filled.standard.php.gz',
        ];
    }
    
    /**
     * Test new lazy-load setting upgrade path.
     *
     * @see image_post_update_image_loading_attribute
     */
    public function testUpdate() {
        $storage = \Drupal::entityTypeManager()->getStorage('entity_view_display');
        
        /** @var \Drupal\Core\Entity\Display\EntityViewDisplayInterface $view_display */
        $view_display = $storage->load('node.article.default');
        $component = $view_display->getComponent('field_image');
        $this->assertArrayNotHasKey('image_loading', $component['settings']);
        $this->runUpdates();
        $view_display = $storage->load('node.article.default');
        $component = $view_display->getComponent('field_image');
        $this->assertArrayHasKey('image_loading', $component['settings']);
        $this->assertEquals('lazy', $component['settings']['image_loading']['attribute']);
    }

}