/**
* When modifying a tag on an item, only the item itself should have its
* version updated, not other items that had (and still have) the same tag
*/
public function testTagAddItemVersionChange()
{
$data1 = API::createItem("book", array("tags" => array(array("tag" => "a"), array("tag" => "b"))), $this, 'data');
$json1 = json_decode($data1['content'], true);
$version1 = $data1['version'];
$data2 = API::createItem("book", array("tags" => array(array("tag" => "a"), array("tag" => "c"))), $this, 'data');
$json2 = json_decode($data2['content'], true);
$version2 = $data2['version'];
// Remove tag 'a' from item 1
$json1['tags'] = array(array("tag" => "d"), array("tag" => "c"));
$response = API::postItem($json1);
$this->assert200($response);
// Item 1 version should be one greater than last update
$xml1 = API::getItemXML($json1['itemKey']);
$data1 = API::parseDataFromAtomEntry($xml1);
$this->assertEquals($version2 + 1, $data1['version']);
// Item 2 version shouldn't have changed
$xml2 = API::getItemXML($json2['itemKey']);
$data2 = API::parseDataFromAtomEntry($xml2);
$this->assertEquals($version2, $data2['version']);
}
