+ def test_query_returns_none(self):
+ class MySink(bt2._UserSinkComponent):
+ def _consume(self):
+ pass
+
+ @staticmethod
+ def _query(query_exec, obj, params, log_level):
+ return
+
+ res = bt2.QueryExecutor().query(MySink, 'obj', None)
+ self.assertIsNone(res)
+