[GitHub] [airflow] mik-laj commented on a change in pull request #8922: Add query count test for LocalTaskJob

[GitBox <gi...@apache.org>]

mik-laj commented on a change in pull request #8922:
URL: https://github.com/apache/airflow/pull/8922#discussion_r430330763



##########
File path: tests/jobs/test_local_task_job.py
##########
@@ -406,3 +409,23 @@ def success_callback(context):
         self.assertTrue(data['called'])
         process.join(timeout=10)
         self.assertFalse(process.is_alive())
+
+
+class TestLocalTaskJobPerformance:
+    @pytest.mark.parametrize("side_effects", [[0], 9 * [None] + [0]])  # type: ignore
+    @mock.patch("airflow.jobs.local_task_job.get_task_runner")
+    def test_number_of_queries_single_loop(self, mock_get_task_runner, side_effects):
+        unique_prefix = str(uuid.uuid4())
+        dag = DAG(dag_id=f'{unique_prefix}_test_number_of_queries', start_date=DEFAULT_DATE)
+        task = DummyOperator(task_id='test_state_succeeded1', dag=dag)
+
+        dag.clear()
+        dag.create_dagrun(run_id=unique_prefix, state=State.NONE)

Review comment:
       Can you remove dagrun in teardown to avoid side-effect?




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