<?php /** * @link http://www.yiiframework.com/ * @copyright Copyright (c) 2008 Yii Software LLC * @license http://www.yiiframework.com/license/ */ namespace yii\test; use Yii; use yii\base\InvalidConfigException; use yii\db\Connection; /** * DbFixture is the base class for DB-related fixtures. * * DbFixture provides the [[db]] connection to be used by DB fixtures. * * @author Qiang Xue <qiang.xue@gmail.com> * @since 2.0 */ abstract class DbFixture extends Fixture { /** * @var Connection|string the DB connection object or the application component ID of the DB connection. * After the DbFixture object is created, if you want to change this property, you should only assign it * with a DB connection object. */ public $db = 'db'; /** * @inheritdoc */ public function init() { parent::init(); if (is_string($this->db)) { $this->db = Yii::$app->getComponent($this->db); } if (!is_object($this->db)) { throw new InvalidConfigException("The 'db' property must be either a DB connection instance or the application component ID of a DB connection."); } } }