kaxil commented on a change in pull request #9851:
URL: https://github.com/apache/airflow/pull/9851#discussion_r456393768
##########
File path: tests/models/test_dagbag.py
##########
@@ -657,3 +659,41 @@ def test_serialized_dags_are_written_to_db_on_sync(self):
new_serialized_dags_count =
session.query(func.count(SerializedDagModel.dag_id)).scalar()
self.assertEqual(new_serialized_dags_count, 1)
+
+ @patch("airflow.models.dagbag.settings.STORE_SERIALIZED_DAGS", True)
+
@patch("airflow.models.dagbag.settings.MIN_SERIALIZED_DAG_UPDATE_INTERVAL", 5)
+ @patch("airflow.models.dagbag.settings.MIN_SERIALIZED_DAG_FETCH_INTERVAL",
5)
+ def test_get_dag_with_dag_serialization(self):
+ """
+ Test that Serialized DAG is updated in DagBag when it is updated in
+ Serialized DAG table after 'min_serialized_dag_fetch_interval' seconds
are passed.
+ """
+
+ with freeze_time(tz.datetime(2020, 1, 5, 0, 0, 0)):
+ example_bash_op_dag =
DagBag(include_examples=True).dags.get("example_bash_operator")
+ SerializedDagModel.write_dag(dag=example_bash_op_dag)
+
+ dag_bag = DagBag(read_dags_from_db=True)
+ ser_dag_1 = dag_bag.get_dag("example_bash_operator")
+ ser_dag_1_update_time =
dag_bag.dags_last_changed["example_bash_operator"]
+ self.assertEqual(example_bash_op_dag.tags, ser_dag_1.tags)
+ self.assertEqual(ser_dag_1_update_time, tz.datetime(2020, 1, 5, 0, 0,
0))
+
+ # Check that if min_serialized_dag_fetch_interval has not passed we do
not fetch the DAG
+ # from DB
+ with freeze_time(tz.datetime(2020, 1, 5, 0, 0, 4)):
+ self.assertEqual(dag_bag.get_dag("example_bash_operator").tags,
["example"])
Review comment:
Updated in
https://github.com/apache/airflow/pull/9851/commits/02856d63a5d500788c8aab7c49a235b036800364
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