/**
* When handling the after set qty event,
* quote item quantities should be checked by checking
* quote inventory via the quantity service model.
*/
public function testHandleAfterSetItemQty()
{
$quoteItem = Mage::getModel('sales/quote_item');
$this->_event->setItem($quoteItem);
// Side-effect test: just need to make sure quote inventory
// is checked via the quantity service model.
$this->_quantityService->expects($this->once())->method('checkQuoteItemInventory')->with($this->identicalTo($quoteItem))->will($this->returnSelf());
$this->_inventoryObserver->handleAfterSetItemQty($this->_eventObserver);
}