ashb commented on a change in pull request #5372: [AIRFLOW-3057] add prev_*_date_success to template context URL: https://github.com/apache/airflow/pull/5372#discussion_r291101078
########## File path: tests/models/test_taskinstance.py ########## @@ -992,3 +994,103 @@ def success_handler(self, context): self.assertEqual(cw.task_state_in_callback, State.RUNNING) ti.refresh_from_db() self.assertEqual(ti.state, State.SUCCESS) + + def _test_previous_dates(self, schedule_interval: Union[str, datetime.timedelta, None], catchup: bool, + object_: str) -> None: + dag_id = 'test_previous_dates' + dag = models.DAG(dag_id=dag_id, schedule_interval=schedule_interval, catchup=catchup) + task = DummyOperator(task_id='task', dag=dag, start_date=DEFAULT_DATE) + + d1 = '2019-01-01T00:00:00+00:00' + d2 = '2019-01-02T00:00:00+00:00' + d3 = '2019-01-03T00:00:00+00:00' + + with create_session() as session: # type: Session + + # session.query(DagRun).all().filter(DagRun.dag_id == dag_id).all() + # session.query(TI).filter(TI.dag_id == dag_id).delete() + # session.commit() + dag.create_dagrun( + run_id='scheduled__{}'.format(d1), + state=State.SUCCESS, + execution_date=pendulum.parse(d1), + start_date=pendulum.utcnow(), + session=session + ) + + dag.create_dagrun( + run_id='scheduled__{}'.format(d2), + state=State.FAILED, + execution_date=pendulum.parse(d2), + start_date=pendulum.utcnow(), + session=session + ) + + dag.create_dagrun( + run_id='scheduled__{}'.format(d3), + state=State.SUCCESS, + execution_date=pendulum.parse(d3), + start_date=pendulum.utcnow(), + session=session + ) + + t1 = TI(task=task, execution_date=pendulum.parse(d1)) + t1.set_state(state=State.SUCCESS, session=session) + + t2 = TI(task=task, execution_date=pendulum.parse(d2)) + t2.set_state(state=State.SUCCESS, session=session) + + t3 = TI(task=task, execution_date=pendulum.parse(d3)) + t3.set_state(state=State.SUCCESS, session=session) + + if object_ == 'previous_ti': + self.assertIsNone(t1.previous_ti) + assert isinstance(t3.previous_ti, TI) # mypy Review comment: Just to check: does adding a `self.assertIsNotNone(t3.previous_ti)` (or `self.assertIsInstance(t3.previous_ti, TI)` keep mypy happy? (if it does those asserts give better diagnostics when they fail) ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org With regards, Apache Git Services