#33719: Running tests in parallel throws exceptions in Django 4.1a1
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Reporter: Pēteris Caune | Owner: nobody
Type: Uncategorized | Status: new
Component: Testing framework | Version: 4.1
Severity: Normal | Keywords:
Triage Stage: Unreviewed | Has patch: 0
Needs documentation: 0 | Needs tests: 0
Patch needs improvement: 0 | Easy pickings: 0
UI/UX: 0 |
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When I run `manage.py test --parallel`, I get:
{{{
Process ForkPoolWorker-387:
Traceback (most recent call last):
File "/usr/lib/python3.10/multiprocessing/process.py", line 315, in
_bootstrap
self.run()
File "/usr/lib/python3.10/multiprocessing/process.py", line 108, in run
self._target(*self._args, **self._kwargs)
File "/usr/lib/python3.10/multiprocessing/pool.py", line 109, in worker
initializer(*initargs)
File "/tmp/venv/lib/python3.10/site-packages/django/test/runner.py",
line 415, in _init_worker
with counter.get_lock():
AttributeError: 'ParallelTestSuite' object has no attribute 'get_lock'
Process ForkPoolWorker-388:
Traceback (most recent call last):
File "/usr/lib/python3.10/multiprocessing/process.py", line 315, in
_bootstrap
self.run()
File "/usr/lib/python3.10/multiprocessing/process.py", line 108, in run
self._target(*self._args, **self._kwargs)
File "/usr/lib/python3.10/multiprocessing/pool.py", line 109, in worker
initializer(*initargs)
File "/tmp/venv/lib/python3.10/site-packages/django/test/runner.py",
line 415, in _init_worker
with counter.get_lock():
AttributeError: 'ParallelTestSuite' object has no attribute 'get_lock'
(....)
}}}
How to reproduce:
1. I created a new virtualenv and a new Django project:
{{{
python3 -m venv venv
source venv/bin/activate
pip install --pre django
django-admin startproject woo
}}}
2. I created *two* test files:
`woo/test_something.py`:
{{{
from django.test import TestCase
class SomethingTestCase(TestCase):
def test_it_works(self):
pass
}}}
`woo/test_something_else.py`:
{{{
from django.test import TestCase
class SomethingTestCase(TestCase):
def test_it_works(self):
pass
}}}
3. I ran the tests with the --parallel flag:
{{{
./manage.py test --parallel
}}}
----
Django version: Django==4.1a1
Python version: 3.10.4
OS: Ubuntu 22.04
--
Ticket URL: <https://code.djangoproject.com/ticket/33719>
Django <https://code.djangoproject.com/>
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