def test_acquire_locks_for_trans(self):
zk_client = flexmock()
zk_client.should_receive('add_listener')
zookeeper = flexmock(handle=zk_client)
db_batch = flexmock()
db_batch.should_receive('valid_data_version_sync').and_return(True)
transaction_manager = flexmock()
dd = DatastoreDistributed(db_batch, transaction_manager, zookeeper)
flexmock(dd).should_receive("is_instance_wrapper").and_return(False).once()
self.assertRaises(TypeError, dd.acquire_locks_for_trans, [1], 1)
dd = DatastoreDistributed(db_batch, transaction_manager, zookeeper)
flexmock(dd).should_receive("is_instance_wrapper").and_return(True) \
.and_return(False).and_return(False)
self.assertRaises(TypeError, dd.acquire_locks_for_trans, [1], 1)
dd = DatastoreDistributed(db_batch, transaction_manager, zookeeper)
flexmock(dd).should_receive("is_instance_wrapper").and_return(True) \
.and_return(True)
dd = DatastoreDistributed(db_batch, transaction_manager, zookeeper)
flexmock(dd).should_receive("is_instance_wrapper").and_return(True) \
.and_return(True).and_return(False)
flexmock(dd).should_receive("get_table_prefix").and_return("prefix").never()
flexmock(dd).should_receive("get_root_key_from_entity_key").and_return("rootkey").never()
self.assertEquals({}, dd.acquire_locks_for_trans([], 1))
zookeeper = flexmock(handle=zk_client)
zookeeper.should_receive("acquire_lock").once()
dd = DatastoreDistributed(db_batch, transaction_manager, zookeeper)
entity = flexmock()
entity.should_receive("app").and_return("appid")
flexmock(dd).should_receive("is_instance_wrapper").and_return(True) \
.and_return(True).and_return(True)
flexmock(dd).should_receive("get_root_key_from_entity_key").and_return("rootkey").once()
self.assertEquals({'rootkey':1}, dd.acquire_locks_for_trans([entity], 1))
zookeeper = flexmock(handle=zk_client)
zookeeper.should_receive("acquire_lock").once().and_raise(ZKTransactionException)
zookeeper.should_receive("notify_failed_transaction").once()
dd = DatastoreDistributed(db_batch, transaction_manager, zookeeper)
entity = flexmock()
entity.should_receive("app").and_return("appid")
flexmock(dd).should_receive("is_instance_wrapper").and_return(True) \
.and_return(True).and_return(True)
flexmock(dd).should_receive("get_root_key_from_entity_key").and_return("rootkey").once()
self.assertRaises(ZKTransactionException, dd.acquire_locks_for_trans, [entity], 1)
