mirror of
https://github.com/django/django.git
synced 2024-12-23 01:25:58 +00:00
42 lines
1.3 KiB
Python
42 lines
1.3 KiB
Python
import sys
|
|
from unittest import skipIf
|
|
|
|
from asgiref.sync import async_to_sync
|
|
|
|
from django.core.exceptions import SynchronousOnlyOperation
|
|
from django.test import SimpleTestCase
|
|
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 DatabaseConnectionTest(SimpleTestCase):
|
|
"""A database connection cannot be used in an async context."""
|
|
@async_to_sync
|
|
async def test_get_async_connection(self):
|
|
with self.assertRaises(SynchronousOnlyOperation):
|
|
list(SimpleModel.objects.all())
|
|
|
|
|
|
@skipIf(sys.platform == 'win32' and (3, 8, 0) < sys.version_info < (3, 8, 1), 'https://bugs.python.org/issue38563')
|
|
class AsyncUnsafeTest(SimpleTestCase):
|
|
"""
|
|
async_unsafe decorator should work correctly and returns the correct
|
|
message.
|
|
"""
|
|
@async_unsafe
|
|
def dangerous_method(self):
|
|
return True
|
|
|
|
@async_to_sync
|
|
async def test_async_unsafe(self):
|
|
# async_unsafe decorator catches bad access and returns the right
|
|
# message.
|
|
msg = (
|
|
'You cannot call this from an async context - use a thread or '
|
|
'sync_to_async.'
|
|
)
|
|
with self.assertRaisesMessage(SynchronousOnlyOperation, msg):
|
|
self.dangerous_method()
|