public function testWriteXml()
{
$xml = new \XMLWriter();
$xml->openMemory();
$xml->setIndent(true);
$this->setExpectedException('RuntimeException');
$inv = new Inventory($xml);
$inv->writeXml();
}
/**
* Add inventory to feed
*
* @param Inventory $inventory
*
* @return InventoryFeed
*/
public function addInventory(Inventory $inventory)
{
$this->xml->startElement('Message');
$this->xml->writeElement('MessageID', $this->messageCount);
$this->xml->writeElement('OperationType', 'Update');
$inventory->writeXml();
$this->xml->endElement();
$this->messageCount++;
return $this;
}
