kaxil commented on a change in pull request #14416:
URL: https://github.com/apache/airflow/pull/14416#discussion_r582358984
##########
File path: tests/models/test_taskinstance.py
##########
@@ -1488,6 +1488,30 @@ def test_previous_start_date_success(self, _,
schedule_interval, catchup) -> Non
assert ti_list[3].get_previous_start_date(state=State.SUCCESS) ==
ti_list[1].start_date
assert ti_list[3].get_previous_start_date(state=State.SUCCESS) !=
ti_list[2].start_date
+ def test_get_previous_start_date_none(self):
+ """
+ Test that get_previous_start_date() can handle TaskInstance with no
start_date.
+ """
+ with DAG("test_get_previous_start_date_none", start_date=DEFAULT_DATE,
schedule_interval=None) as dag:
+ task = DummyOperator(task_id="op")
+
+ dag.create_dagrun(
+ execution_date=DEFAULT_DATE,
+ state=State.RUNNING,
Review comment:
@yuqian90
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