public function testConstructionDiffContainsAddOperations()
{
$item = new Item();
$item->getFingerprint()->setLabel('en', 'foo');
$item->getSiteLinkList()->addNewSiteLink('bar', 'baz');
$differ = new ItemDiffer();
$diff = $differ->getConstructionDiff($item);
$this->assertEquals(new Diff(array('en' => new DiffOpAdd('foo'))), $diff->getLabelsDiff());
$this->assertEquals(new Diff(array('bar' => new Diff(array('name' => new DiffOpAdd('baz'))))), $diff->getSiteLinkDiff());
}
private function makeDiff($objectId, $revA, $revB)
{
$entityClasses = array(Item::ENTITY_TYPE => 'Wikibase\\DataModel\\Entity\\Item');
$lookup = $this->getEntityRevisionLookup();
$entityFactory = new EntityFactory($entityClasses);
$itemId = new ItemId($objectId);
if ($revA === 0) {
$oldEntity = $entityFactory->newEmpty(Item::ENTITY_TYPE);
} else {
$oldEntity = $lookup->getEntityRevision($itemId, $revA)->getEntity();
}
if ($revB === 0) {
$newEntity = $entityFactory->newEmpty(Item::ENTITY_TYPE);
} else {
$newEntity = $lookup->getEntityRevision($itemId, $revB)->getEntity();
}
$differ = new ItemDiffer();
return $differ->diffEntities($oldEntity, $newEntity);
}