Opened 4 years ago

Last modified 4 years ago

#32437 closed Bug

LiveServerTestCase.setUpClass() doesn't clean up fully on failure — at Initial Version

Reported by: Chris Jerdonek Owned by: nobody
Component: Testing framework Version: 2.2
Severity: Normal Keywords: LiveServerTestCase, setUpClass
Cc: Florian Apolloner, Tobias McNulty Triage Stage: Ready for checkin
Has patch: yes Needs documentation: no
Needs tests: no Patch needs improvement: no
Easy pickings: no UI/UX: no

Description

While working on #32417, I noticed in this comment that LiveServerTestCase.setUpClass() doesn't clean up all the way if setUpClass() errors out.

Specifically, LiveServerTestCase.setUpClass() ​looks like this:

@classmethod
def setUpClass(cls):
    super().setUpClass()
    ...
    cls._live_server_modified_settings = modify_settings(
        ALLOWED_HOSTS={'append': cls.allowed_host},
    )
    ...
    if cls.server_thread.error:
        # Clean up behind ourselves, since tearDownClass won't get called in
        # case of errors.
        cls._tearDownClassInternal()
        raise cls.server_thread.error

But _tearDownClassInternal() ​doesn't undo the call to modify_settings().

I will post a PR shortly.

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