def setUp(self):
self.lock_table = MagicMock(spec=Table)
self.lock_data = {'owner': INSTANCE_ID, 'acquire_time': time.time()}
self.lock_item = MagicMock(spec=Item)
self.lock_item.__getitem__.side_effect = self.lock_data.__getitem__
self.lock_item.__setitem__.side_effect = self.lock_data.__setitem__
self.lock_table.get_item.return_value = self.lock_item
self.locks = DynamoDbLocks(INSTANCE_ID, self.lock_table)
