/**
* @covers Mage_Backend_Model_Menu_Config::getMenu
*/
public function testGetMenuWhenCacheEnabledAndCleaned()
{
$xmlString = '<?xml version="1.0" encoding="utf-8"?><config><menu></menu></config>';
$this->_appConfigMock->expects($this->any())->method('getModelInstance')->will($this->returnCallback(array($this, 'getModelInstance')));
$this->_cacheInstanceMock->expects($this->any())->method('canUse')->will($this->returnValue(true));
$this->_cacheInstanceMock->expects($this->exactly(1))->method('load')->will($this->returnValue(null));
$this->_domDocumentMock->expects($this->exactly(1))->method('saveXML')->will($this->returnValue('<?xml version="1.0" encoding="utf-8"?><config><menu></menu></config>'));
$this->_configMenuMock->expects($this->exactly(1))->method('getMergedConfig')->will($this->returnValue($this->_domDocumentMock));
$this->_cacheInstanceMock->expects($this->exactly(1))->method('save')->with($this->equalTo($xmlString));
$this->_model->getMenu();
}