def test_current(self): from gcloud.storage.client import Client project = 'PROJECT' credentials = _Credentials() client = Client(project=project, credentials=credentials) batch1 = self._makeOne(client) self.assertTrue(batch1.current() is None) client._push_batch(batch1) self.assertTrue(batch1.current() is batch1) batch2 = self._makeOne(client) client._push_batch(batch2) self.assertTrue(batch1.current() is batch2)