DatabaseStorageTest.php

1. 9.x drupal/core/modules/config/lib/Drupal/config/Tests/Storage/DatabaseStorageTest.php
2. 9.x drupal/core/modules/system/lib/Drupal/system/Tests/KeyValueStore/DatabaseStorageTest.php

<?php

/**
 * @file
 * Contains Drupal\system\Tests\KeyValueStore\DatabaseStorageTest.
 */
namespace Drupal\system\Tests\KeyValueStore;

use Symfony\Component\DependencyInjection\Reference;

/**
 * Tests the key-value database storage.
 */
class DatabaseStorageTest extends StorageTestBase {
  public static function getInfo() {
    return array(
      'name' => 'Database storage',
      'description' => 'Tests the key-value database storage.',
      'group' => 'Key-value store',
    );
  }
  protected function setUp() {
    parent::setUp();
    module_load_install('system');
    $schema = system_schema();
    db_create_table('key_value', $schema['key_value']);
    $this->container
      ->register('database', 'Drupal\\Core\\Database\\Connection')
      ->setFactoryClass('Drupal\\Core\\Database\\Database')
      ->setFactoryMethod('getConnection')
      ->addArgument('default');
    $this->container
      ->register('keyvalue.database', 'Drupal\\Core\\KeyValueStore\\KeyValueDatabaseFactory')
      ->addArgument(new Reference('database'));
    global $conf;
    $conf['keyvalue_default'] = 'keyvalue.database';
  }
  protected function tearDown() {
    db_drop_table('key_value');
    parent::tearDown();
  }

}