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From: Sean Gillies
Sent: Thursday, April 13, 2023 3:14 PM
To: Jon Morris
Cc: gdal dev
Subject: Re: [gdal-dev] Intermittent failure with Python mocks
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Hi Jon,
The number one gotcha with patching is documented here
https://docs.python.org/3/library/unittest.mock.html#where-to-patch. In a
nutshell, you have to patch your own module. I see you're patching gdal in
your tests. Patching gdal from your test doesn't do anything, it's too
late.
Hope
I'm getting intermittent fails with our Python unit tests and I wondered if
anyone has seen the same issue. I think it's a race condition where a mock
patch is either not applied at all or maybe applied too slowly so the patched
function still has its original return value. It might be a pytest
