kaxil commented on a change in pull request #6311:
URL: https://github.com/apache/airflow/pull/6311#discussion_r427913444
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File path: tests/conftest.py
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@@ -415,3 +417,39 @@ def pytest_runtest_setup(item):
skip_quarantined_test(item)
skip_if_credential_file_missing(item)
skip_if_airflow_2_test(item)
+
+
[email protected]
+def frozen_sleep(monkeypatch):
+ """
+ Use freezegun to "stub" sleep, so that it takes no time, but that
+ ``datetime.now()`` appears to move forwards
+
+ If your module under test does ``import time`` and then ``time.sleep``::
+
+ def test_something(frozen_sleep):
+ my_mod.fn_under_test()
+
+
+ If your module under test does ``from time import sleep`` then you will
+ have to mock that sleep function directly::
+
+ def test_something(frozen_sleep, monkeypatch):
+ monkeypatch.setattr('my_mod.sleep', frozen_sleep)
+ my_mod.fn_under_test()
+ """
+ freezegun_control = None
+
+ def fake_sleep(seconds):
+ nonlocal freezegun_control
Review comment:
`nonlocal` isn't available for Py2 so if we plan to backport it, we will
have to change it
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