zhongjiajie commented on a change in pull request #7709: [AIRFLOW-7053] Fix
success/failed error in graph without dagrun
URL: https://github.com/apache/airflow/pull/7709#discussion_r392015987
##########
File path: airflow/www/views.py
##########
@@ -1258,15 +1258,12 @@ def _mark_task_instance_state(self, dag_id, task_id,
origin, execution_date,
task = dag.get_task(task_id)
task.dag = dag
- execution_date = timezone.parse(execution_date)
-
- if not dag:
- flash("Cannot find DAG: {}".format(dag_id))
Review comment:
Remove check dag and check task(in line 1267) due to when I add test to
cover it I realize those two condition never reach with `task =
dag.get_task(task_id)` in line 1258.
for dag check, I add test
```py
def test_failed_invalid_dag(self):
dag_id = "invalid"
form = dict(
task_id="run_this_last",
dag_id=dag_id,
execution_date=self.EXAMPLE_DAG_DEFAULT_DATE,
upstream="false",
downstream="false",
future="false",
past="false",
origin="/graph?dag_id=example_bash_operator",
)
resp = self.client.post("failed", data=form, follow_redirects=True)
self.check_content_in_response(f"Cannot find DAG: {dag_id}", resp)
```
And test failed due to `NoneType without function get_task`.
For task check, I add test
```py
def test_success_invalid_task(self):
task_id = "invalid"
dag_id = "example_bash_operator"
form = dict(
task_id=task_id,
dag_id=dag_id,
execution_date=self.EXAMPLE_DAG_DEFAULT_DATE,
upstream="false",
downstream="false",
future="false",
past="false",
origin="/graph?dag_id=example_bash_operator",
)
resp = self.client.post("success", data=form, follow_redirects=True)
self.check_content_in_response(f"Cannot find task {task_id} in DAG
{dag_id}", resp)
```
The test also failed due to `airflow.exceptions.TaskNotFound: Task invalid
not found`
So I decide to remove them.
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