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import asyncio
from unittest.mock import patch
from django.contrib.auth.models import User
from django.http import HttpResponse
from django.test import AsyncRequestFactory, RequestFactory, TestCase, override_settings
from debug_toolbar.middleware import DebugToolbarMiddleware
def show_toolbar_if_staff(request):
# Hit the database, but always return True
return User.objects.exists() or True
async def ashow_toolbar_if_staff(request):
# Hit the database, but always return True
has_users = await User.objects.afirst()
return has_users or True
class MiddlewareSyncAsyncCompatibilityTestCase(TestCase):
def setUp(self):
self.factory = RequestFactory()
self.async_factory = AsyncRequestFactory()
@override_settings(DEBUG=True)
def test_sync_mode(self):
"""
test middleware switches to sync (__call__) based on get_response type
"""
request = self.factory.get("/")
middleware = DebugToolbarMiddleware(
lambda x: HttpResponse("<html><body>Test app</body></html>")
)
self.assertFalse(asyncio.iscoroutinefunction(middleware))
response = middleware(request)
self.assertEqual(response.status_code, 200)
self.assertIn(b"djdt", response.content)
@override_settings(DEBUG=True)
async def test_async_mode(self):
"""
test middleware switches to async (__acall__) based on get_response type
and returns a coroutine
"""
async def get_response(request):
return HttpResponse("<html><body>Test app</body></html>")
middleware = DebugToolbarMiddleware(get_response)
request = self.async_factory.get("/")
self.assertTrue(asyncio.iscoroutinefunction(middleware))
response = await middleware(request)
self.assertEqual(response.status_code, 200)
self.assertIn(b"djdt", response.content)
@override_settings(DEBUG=True)
@patch(
"debug_toolbar.middleware.show_toolbar_func_or_path",
return_value=ashow_toolbar_if_staff,
)
def test_async_show_toolbar_callback_sync_middleware(self, mocked_show):
def get_response(request):
return HttpResponse("<html><body>Hello world</body></html>")
middleware = DebugToolbarMiddleware(get_response)
request = self.factory.get("/")
response = middleware(request)
self.assertEqual(response.status_code, 200)
self.assertIn(b"djdt", response.content)
@override_settings(DEBUG=True)
@patch(
"debug_toolbar.middleware.show_toolbar_func_or_path",
return_value=show_toolbar_if_staff,
)
async def test_sync_show_toolbar_callback_async_middleware(self, mocked_show):
async def get_response(request):
return HttpResponse("<html><body>Hello world</body></html>")
middleware = DebugToolbarMiddleware(get_response)
request = self.async_factory.get("/")
response = await middleware(request)
self.assertEqual(response.status_code, 200)
self.assertIn(b"djdt", response.content)
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