public function testGetClassFromAlias() { $alias = 'Varien_Object_Alias'; $diInstance = $this->getMock('Magento_Di_Zend', array('instanceManager')); $instanceManager = $this->getMock('Magento_Di_InstanceManager_Zend', array('addSharedInstance', 'removeSharedInstance', 'getClassFromAlias'), array(), '', false); $diInstance->expects($this->any())->method('instanceManager')->will($this->returnValue($instanceManager)); $instanceManager->expects($this->any())->method('addSharedInstance')->will($this->returnSelf()); $this->_objectManager = new Magento_ObjectManager_Zend(null, $diInstance); $instanceManager->expects($this->once())->method('getClassFromAlias')->with($alias); $this->_objectManager->getClassFromAlias($alias); }