NullStorageTest.php in Drupal 9

Namespace

Drupal\Tests\Core\Config

File

core/tests/Drupal/Tests/Core/Config/NullStorageTest.php

<?php

namespace Drupal\Tests\Core\Config;

use Drupal\Core\Config\NullStorage;
use Drupal\Core\Config\StorageInterface;
use Drupal\Tests\UnitTestCase;

/**
 * Tests the NullStorage.
 *
 * @group Config
 */
class NullStorageTest extends UnitTestCase {

  /**
   * Tests createCollection.
   */
  public function testCollection() {
    $nullStorage = new NullStorage();
    $collection = $nullStorage
      ->createCollection('test');
    $this
      ->assertInstanceOf(StorageInterface::class, $collection);
    $this
      ->assertEquals(StorageInterface::DEFAULT_COLLECTION, $nullStorage
      ->getCollectionName());
    $this
      ->assertEquals('test', $collection
      ->getCollectionName());
    $this
      ->assertSame([], $collection
      ->getAllCollectionNames());
  }

}

Classes

Name	Description
NullStorageTest	Tests the NullStorage.