def test_clean_inputs(self, mock_PostgresImageDBController): dbConnection = PostgresImageDBController("imagedb", "test", "test", "localhost") redisConn = redis.StrictRedis() searcher = Searcher(dbConnection, redisConn) cleaned = searcher._Searcher__clean_input(("horses", "persan")) self.assertEqual(['horse', 'person'], cleaned, "keywords should be cleaned")