| # Licensed to the Apache Software Foundation (ASF) under one |
| # or more contributor license agreements. See the NOTICE file |
| # distributed with this work for additional information |
| # regarding copyright ownership. The ASF licenses this file |
| # to you under the Apache License, Version 2.0 (the |
| # "License"); you may not use this file except in compliance |
| # with the License. You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, |
| # software distributed under the License is distributed on an |
| # "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| # KIND, either express or implied. See the License for the |
| # specific language governing permissions and limitations |
| # under the License. |
| from sqlalchemy import column |
| |
| from superset.db_engine_specs.druid import DruidEngineSpec |
| from tests.db_engine_specs.base_tests import TestDbEngineSpec |
| |
| |
| class TestDruidDbEngineSpec(TestDbEngineSpec): |
| def test_convert_dttm(self): |
| dttm = self.get_dttm() |
| |
| self.assertEqual( |
| DruidEngineSpec.convert_dttm("DATETIME", dttm), |
| "TIME_PARSE('2019-01-02T03:04:05')", |
| ) |
| |
| self.assertEqual( |
| DruidEngineSpec.convert_dttm("TIMESTAMP", dttm), |
| "TIME_PARSE('2019-01-02T03:04:05')", |
| ) |
| |
| self.assertEqual( |
| DruidEngineSpec.convert_dttm("DATE", dttm), |
| "CAST(TIME_PARSE('2019-01-02') AS DATE)", |
| ) |
| |
| def test_timegrain_expressions(self): |
| """ |
| DB Eng Specs (druid): Test time grain expressions |
| """ |
| col = "__time" |
| sqla_col = column(col) |
| test_cases = { |
| "PT1S": f"FLOOR({col} TO SECOND)", |
| "PT5M": f"TIME_FLOOR({col}, 'PT5M')", |
| } |
| for grain, expected in test_cases.items(): |
| actual = DruidEngineSpec.get_timestamp_expr( |
| col=sqla_col, pdf=None, time_grain=grain |
| ) |
| self.assertEqual(str(actual), expected) |