#34930: Parallel tests fail on Python 3.11+ and django 4.1.0+ when
IsolatedAsyncioTestCase is used
-------------------------------------+-------------------------------------
Reporter: Matt Hegarty | Owner: nobody
Type: Bug | Status: closed
Component: Testing framework | Version: 4.2
Severity: Normal | Resolution: needsinfo
Keywords: pickle | Triage Stage:
_contextvars.Context _contextvars | Unreviewed
Context |
Has patch: 0 | Needs documentation: 0
Needs tests: 0 | Patch needs improvement: 0
Easy pickings: 0 | UI/UX: 0
-------------------------------------+-------------------------------------
Comment (by Natalia Bidart):
Replying to [comment:5 Matt Hegarty]:
> - The tests pass for me when running against `stable/4.0.x` (python
3.11) (i.e. no crash)
> - I have updated the
[https://github.com/matthewhegarty/tutorial/commit/640533b5703d93f30aa8a3fb96abcf5e3a3045be
test project] to see if you can reproduce
Thanks Matt for the extra details but it fails for me with `4.0.x`:
{{{
[~/fellowship/tutorial main|✚ 1…1]$ python -c "import django;
print(django.get_version())"
4.0.11
[~/fellowship/tutorial main|✚ 1…1]$ ./manage.py test --parallel
Found 4 test(s).
System check identified no issues (0 silenced).
Traceback (most recent call last):
File "/home/nessita/fellowship/tutorial/./manage.py", line 22, in
<module>
main()
File "/home/nessita/fellowship/tutorial/./manage.py", line 18, in main
execute_from_command_line(sys.argv)
File "/home/nessita/.virtualenvs/djangodev/lib/python3.11/site-
packages/django/core/management/__init__.py", line 446, in
execute_from_command_line
utility.execute()
File "/home/nessita/.virtualenvs/djangodev/lib/python3.11/site-
packages/django/core/management/__init__.py", line 440, in execute
self.fetch_command(subcommand).run_from_argv(self.argv)
File "/home/nessita/.virtualenvs/djangodev/lib/python3.11/site-
packages/django/core/management/commands/test.py", line 24, in
run_from_argv
super().run_from_argv(argv)
File "/home/nessita/.virtualenvs/djangodev/lib/python3.11/site-
packages/django/core/management/base.py", line 414, in run_from_argv
self.execute(*args, **cmd_options)
File "/home/nessita/.virtualenvs/djangodev/lib/python3.11/site-
packages/django/core/management/base.py", line 460, in execute
output = self.handle(*args, **options)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/home/nessita/.virtualenvs/djangodev/lib/python3.11/site-
packages/django/core/management/commands/test.py", line 68, in handle
failures = test_runner.run_tests(test_labels)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/home/nessita/.virtualenvs/djangodev/lib/python3.11/site-
packages/django/test/runner.py", line 1006, in run_tests
result = self.run_suite(suite)
^^^^^^^^^^^^^^^^^^^^^
File "/home/nessita/.virtualenvs/djangodev/lib/python3.11/site-
packages/django/test/runner.py", line 930, in run_suite
return runner.run(suite)
^^^^^^^^^^^^^^^^^
File "/usr/lib/python3.11/unittest/runner.py", line 217, in run
test(result)
File "/usr/lib/python3.11/unittest/suite.py", line 84, in __call__
return self.run(*args, **kwds)
^^^^^^^^^^^^^^^^^^^^^^^
File "/home/nessita/.virtualenvs/djangodev/lib/python3.11/site-
packages/django/test/runner.py", line 493, in run
subsuite_index, events = test_results.next(timeout=0.1)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib/python3.11/multiprocessing/pool.py", line 873, in next
raise value
File "/usr/lib/python3.11/multiprocessing/pool.py", line 540, in
_handle_tasks
put(task)
File "/usr/lib/python3.11/multiprocessing/connection.py", line 205, in
send
self._send_bytes(_ForkingPickler.dumps(obj))
^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib/python3.11/multiprocessing/reduction.py", line 51, in
dumps
cls(buf, protocol).dump(obj)
TypeError: cannot pickle '_contextvars.Context' object
}}}
--
Ticket URL: <https://code.djangoproject.com/ticket/34930#comment:7>
Django <https://code.djangoproject.com/>
The Web framework for perfectionists with deadlines.
--
You received this message because you are subscribed to the Google Groups
"Django updates" group.
To unsubscribe from this group and stop receiving emails from it, send an email
to [email protected].
To view this discussion on the web visit
https://groups.google.com/d/msgid/django-updates/0107018b70ffe1ab-4472f063-2fe1-4401-abb7-f01af6e0f9f6-000000%40eu-central-1.amazonses.com.
