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<?php
/**
* This file contains the CDbTestCase class.
*
* @author Qiang Xue <qiang.xue@gmail.com>
* @link http://www.yiiframework.com/
* @copyright Copyright &copy; 2008-2010 Yii Software LLC
* @license http://www.yiiframework.com/license/
*/
Yii::import('system.test.CTestCase');
/**
* CDbTestCase is the base class for test cases about DB-related features.
*
* CDbTestCase provides database fixture management with the help of {@link CDbFixtureManager}.
* By declaring {@link fixtures} property, one can ensure the specified
* tables have the expected fixture state when executing each test method.
* In addition, CDbTestCase provides two ways to access the fixture data.
*
* For example, assume we declare {@link fixtures} to be:
* <pre>
* public $fixtures=array(
* 'posts' => 'Post',
* 'comments' => 'Comment',
* );
* </pre>
*
* We can access the original fixture data rows using <code>$this->posts</code>
* <code>$this->posts['first post']</code>. We can also retrieve an ActiveRecord instance
* corresponding to a fixture data row using <code>$this->posts('first post')</code>.
* Note, here 'first post' refers to a key to a row in the original fixture data.
*
* @author Qiang Xue <qiang.xue@gmail.com>
* @version $Id$
* @package system.test
* @since 1.1
*/
abstract class CDbTestCase extends CTestCase
{
/**
* @var array a list of fixtures that should be loaded before each test method executes.
* The array keys are fixture names, and the array values are either AR class names
* or table names. If table names, they must begin with a colon character (e.g. 'Post'
* means an AR class, while ':Post' means a table name).
* Defaults to false, meaning fixtures will not be used at all.
*/
protected $fixtures=false;
/**
* PHP magic method.
* This method is overridden so that named fixture data can be accessed like a normal property.
* @param string the property name
* @return mixed the property value
*/
public function __get($name)
{
if(is_array($this->fixtures) && ($rows=$this->getFixtureManager()->getRows($name))!==false)
return $rows;
else
throw new Exception("Unknown property '$name' for class '".get_class($this)."'.");
}
/**
* PHP magic method.
* This method is overridden so that named fixture ActiveRecord instances can be accessed in terms of a method call.
* @param string method name
* @param string method parameters
* @return mixed the property value
*/
public function __call($name,$params)
{
if(is_array($this->fixtures) && isset($params[0]) && ($record=$this->getFixtureManager()->getRecord($name,$params[0]))!==false)
return $record;
else
throw new Exception("Unknown method '$name' for class '".get_class($this)."'.");
}
/**
* @return CDbFixtureManager the database fixture manager
*/
public function getFixtureManager()
{
return Yii::app()->getComponent('fixture');
}
/**
* @param string the fixture name (the key value in {@link fixtures}).
* @return array the named fixture data
*/
public function getFixtureData($name)
{
return $this->getFixtureManager()->getRows($name);
}
/**
* @param string the fixture name (the key value in {@link fixtures}).
* @param string the alias of the fixture data row
* @return CActiveRecord the ActiveRecord instance corresponding to the specified alias in the named fixture.
* False is returned if there is no such fixture or the record cannot be found.
*/
public function getFixtureRecord($name,$alias)
{
return $this->getFixtureManager()->getRecord($name,$alias);
}
/**
* Sets up the fixture before executing a test method.
* If you override this method, make sure the parent implementation is invoked.
* Otherwise, the database fixtures will not be managed properly.
*/
protected function setUp()
{
parent::setUp();
if(is_array($this->fixtures))
$this->getFixtureManager()->load($this->fixtures);
}
}
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