+ def test_is_connected_function_success(self):
+ self.mock_redis.ping.return_value = True
+ ret = self.db.is_connected()
+ self.mock_redis.ping.assert_called_once()
+ assert ret is True
+
+ def test_is_connected_function_returns_false_if_ping_fails(self):
+ self.mock_redis.ping.return_value = False
+ ret = self.db.is_connected()
+ self.mock_redis.ping.assert_called_once()
+ assert ret is False
+
+ def test_is_connected_function_can_map_redis_exception_to_sdl_exception(self):
+ self.mock_redis.ping.side_effect = redis_exceptions.ResponseError('redis error!')
+ with pytest.raises(ricsdl.exceptions.RejectedByBackend):
+ self.db.is_connected()
+