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#18882 closed Bug (wontfix)

ValueError when running a test inside a thread

Reported by: ebas Owned by: nobody
Component: Testing framework Version: 1.3
Severity: Normal Keywords:
Cc: Triage Stage: Unreviewed
Has patch: yes Needs documentation: no
Needs tests: no Patch needs improvement: no
Easy pickings: no UI/UX: no

Description

When running tests, unittest.installHandler is called to catch SIGINT. This is impossible when it's not on the main thread, and will throw a ValueError.

Running tests inside a thread occurs, for example, when used in conjuction with autoreload, as used in:

Using either of these will result in a ValueError.

One might argue this is an unittest bug, but i disagree. Unittest doesn't automatically install this handler, therefor its the users (django) responsibility to use it appropriately.

Branch on github: https://github.com/ebas/django/tree/fix/simple.py-valueerror

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Change History (1)

comment:1 Changed 18 months ago by lrekucki

  • Needs documentation unset
  • Needs tests unset
  • Patch needs improvement unset
  • Resolution set to wontfix
  • Status changed from new to closed

Why not just run the DjangoTestSuiteRunner in a subprocess instead of a thread? That should solve this issue (and probably a bunch of others as it's far from being thread-safe).

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