#36942: SimpleTestCase._remove_databases_failures() is not idempotent and
crashes
on complex MRO.
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Reporter: Michele Fiori | Owner: michele0303
Type: Bug | Status: closed
Component: Testing framework | Version: 6.0
Severity: Normal | Resolution: needsinfo
Keywords: | Triage Stage: Unreviewed
Has patch: 1 | Needs documentation: 0
Needs tests: 1 | Patch needs improvement: 0
Easy pickings: 0 | UI/UX: 0
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Comment (by Rio Weber):
Filed #37064 with diff + tests , should cover the needsinfo close.
Minimal pytest-django run against a 2-DB SQLite settings triggers it:
SQLite recycles the connection between setUpClass and tearDownClass, so
teardown hits a plain function instead of the _DatabaseFailure setup
installed. Verified on 6.0.3 and main.
Patch uses isinstance(method, _DatabaseFailure) rather than the hasattr
check in #20758
Won't chase third-party .wrapped attrs
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Ticket URL: <https://code.djangoproject.com/ticket/36942#comment:3>
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