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Code Issues 32 Releases Wiki Activity

Fixed #31253 -- Fixed data loss possibility when using caching from async code.

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Case missed in a415ce70be.
This commit is contained in:
Jon Dufresne
2020-02-06 17:59:20 -08:00
committed by Mariusz Felisiak
parent 20ba3ce4ac
commit e3f6e18513
3 changed files with 17 additions and 3 deletions
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13
tests/async/tests.py
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@@ -4,6 +4,7 @@ from unittest import mock, skipIf
from asgiref.sync import async_to_sync
from django.core.cache import DEFAULT_CACHE_ALIAS, caches
from django.core.exceptions import SynchronousOnlyOperation
from django.test import SimpleTestCase
from django.utils.asyncio import async_unsafe
@@ -11,6 +12,18 @@ from django.utils.asyncio import async_unsafe
from .models import SimpleModel
@skipIf(sys.platform == 'win32' and (3, 8, 0) < sys.version_info < (3, 8, 1), 'https://bugs.python.org/issue38563')
class CacheTest(SimpleTestCase):
def test_caches_local(self):
@async_to_sync
async def async_cache():
return caches[DEFAULT_CACHE_ALIAS]
cache_1 = async_cache()
cache_2 = async_cache()
self.assertIs(cache_1, cache_2)
@skipIf(sys.platform == 'win32' and (3, 8, 0) < sys.version_info < (3, 8, 1), 'https://bugs.python.org/issue38563')
class DatabaseConnectionTest(SimpleTestCase):
"""A database connection cannot be used in an async context."""