Fokko commented on a change in pull request #6461: [AIRFLOW-5804] Batch the
xcom pull operation
URL: https://github.com/apache/airflow/pull/6461#discussion_r341119840
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File path: tests/models/test_taskinstance.py
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@@ -869,7 +869,7 @@ def test_xcom_pull(self):
# Pull the values pushed by both tasks
result = ti1.xcom_pull(
task_ids=['test_xcom_1', 'test_xcom_2'], key='foo')
- self.assertEqual(result, ('bar', 'baz'))
+ self.assertEqual(result, ['baz', 'bar'])
Review comment:
Thanks @ashb for reviewing. Appreciate it.
I've updated this test because it was passing before, but it was actually
invalid. The `xcom_pull` would invoke the `XCom.get_one()` many times, and
transform it into an iterable. Therefore ordering would be lost. Now we get the
xcom's descending by execution_date, insertion_date.
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