AssertConfigEntityImportTrait.php

<?php

namespace Drupal\Tests\config\Traits;

use Drupal\Core\Config\Entity\ConfigEntityInterface;

/**
 * Provides test assertions for testing config entity synchronization.
 *
 * Can be used by test classes that extend \Drupal\Tests\BrowserTestBase or
 * \Drupal\KernelTests\KernelTestBase.
 */
trait AssertConfigEntityImportTrait {
    
    /**
     * Asserts that a config entity can be imported without changing it.
     *
     * @param \Drupal\Core\Config\Entity\ConfigEntityInterface $entity
     *   The config entity to test importing.
     */
    public function assertConfigEntityImport(ConfigEntityInterface $entity) {
        // Save original config information.
        $entity_uuid = $entity->uuid();
        $entity_type_id = $entity->getEntityTypeId();
        $original_data = $entity->toArray();
        // Copy everything to sync.
        $this->copyConfig(\Drupal::service('config.storage'), \Drupal::service('config.storage.sync'));
        // Delete the configuration from active. Don't worry about side effects of
        // deleting config like fields cleaning up field storages. The coming import
        // should recreate everything as necessary.
        $entity->delete();
        $this->configImporter()
            ->reset()
            ->import();
        $imported_entity = \Drupal::service('entity.repository')->loadEntityByUuid($entity_type_id, $entity_uuid);
        $this->assertSame($original_data, $imported_entity->toArray());
    }

}