public function testToAndFromString()
{
$this->itemEntry->setItemType('products');
$this->assertEquals($this->itemEntry->getItemType()->getText(), 'products');
$this->itemEntry->addGBaseAttribute('price', '10.99 USD', 'floatUnit');
$baseAttribute = $this->itemEntry->getGBaseAttribute('price');
$this->assertEquals(count($baseAttribute), 1);
$this->assertEquals($baseAttribute[0]->getName(), 'price');
$this->assertEquals($baseAttribute[0]->getText(), '10.99 USD');
$this->assertEquals($baseAttribute[0]->getType(), 'floatUnit');
$newItemEntry = new GBase\ItemEntry();
$doc = new \DOMDocument();
$doc->loadXML($this->itemEntry->saveXML());
$newItemEntry->transferFromDom($doc->documentElement);
$rowDataFromXML = $newItemEntry->getGBaseAttribute('price');
$this->assertEquals($this->itemEntry->getItemType()->getText(), $newItemEntry->getItemType()->getText());
$this->assertEquals(count($rowDataFromXML), 1);
$this->assertEquals($rowDataFromXML[0]->getName(), 'price');
$this->assertEquals($rowDataFromXML[0]->getText(), '10.99 USD');
$this->assertEquals($rowDataFromXML[0]->getType(), 'floatUnit');
}