mirror of
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115 lines
4.4 KiB
Python
115 lines
4.4 KiB
Python
import asyncio
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import threading
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from asgiref.sync import async_to_sync
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from django.contrib.admindocs.middleware import XViewMiddleware
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from django.contrib.auth.middleware import (
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AuthenticationMiddleware, RemoteUserMiddleware,
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)
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from django.contrib.flatpages.middleware import FlatpageFallbackMiddleware
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from django.contrib.messages.middleware import MessageMiddleware
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from django.contrib.redirects.middleware import RedirectFallbackMiddleware
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from django.contrib.sessions.middleware import SessionMiddleware
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from django.contrib.sites.middleware import CurrentSiteMiddleware
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from django.db import connection
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from django.http.request import HttpRequest
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from django.http.response import HttpResponse
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from django.middleware.cache import (
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CacheMiddleware, FetchFromCacheMiddleware, UpdateCacheMiddleware,
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)
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from django.middleware.clickjacking import XFrameOptionsMiddleware
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from django.middleware.common import (
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BrokenLinkEmailsMiddleware, CommonMiddleware,
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)
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from django.middleware.csrf import CsrfViewMiddleware
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from django.middleware.gzip import GZipMiddleware
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from django.middleware.http import ConditionalGetMiddleware
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from django.middleware.locale import LocaleMiddleware
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from django.middleware.security import SecurityMiddleware
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from django.test import SimpleTestCase
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from django.utils.deprecation import MiddlewareMixin
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class MiddlewareMixinTests(SimpleTestCase):
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middlewares = [
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AuthenticationMiddleware,
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BrokenLinkEmailsMiddleware,
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CacheMiddleware,
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CommonMiddleware,
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ConditionalGetMiddleware,
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CsrfViewMiddleware,
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CurrentSiteMiddleware,
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FetchFromCacheMiddleware,
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FlatpageFallbackMiddleware,
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GZipMiddleware,
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LocaleMiddleware,
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MessageMiddleware,
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RedirectFallbackMiddleware,
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RemoteUserMiddleware,
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SecurityMiddleware,
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SessionMiddleware,
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UpdateCacheMiddleware,
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XFrameOptionsMiddleware,
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XViewMiddleware,
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]
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def test_passing_explicit_none(self):
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msg = 'get_response must be provided.'
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for middleware in self.middlewares:
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with self.subTest(middleware=middleware):
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with self.assertRaisesMessage(ValueError, msg):
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middleware(None)
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def test_coroutine(self):
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async def async_get_response(request):
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return HttpResponse()
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def sync_get_response(request):
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return HttpResponse()
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for middleware in self.middlewares:
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with self.subTest(middleware=middleware.__qualname__):
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# Middleware appears as coroutine if get_function is
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# a coroutine.
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middleware_instance = middleware(async_get_response)
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self.assertIs(asyncio.iscoroutinefunction(middleware_instance), True)
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# Middleware doesn't appear as coroutine if get_function is not
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# a coroutine.
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middleware_instance = middleware(sync_get_response)
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self.assertIs(asyncio.iscoroutinefunction(middleware_instance), False)
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def test_sync_to_async_uses_base_thread_and_connection(self):
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"""
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The process_request() and process_response() hooks must be called with
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the sync_to_async thread_sensitive flag enabled, so that database
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operations use the correct thread and connection.
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"""
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def request_lifecycle():
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"""Fake request_started/request_finished."""
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return (threading.get_ident(), id(connection))
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async def get_response(self):
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return HttpResponse()
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class SimpleMiddleWare(MiddlewareMixin):
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def process_request(self, request):
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request.thread_and_connection = request_lifecycle()
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def process_response(self, request, response):
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response.thread_and_connection = request_lifecycle()
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return response
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threads_and_connections = []
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threads_and_connections.append(request_lifecycle())
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request = HttpRequest()
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response = async_to_sync(SimpleMiddleWare(get_response))(request)
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threads_and_connections.append(request.thread_and_connection)
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threads_and_connections.append(response.thread_and_connection)
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threads_and_connections.append(request_lifecycle())
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self.assertEqual(len(threads_and_connections), 4)
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self.assertEqual(len(set(threads_and_connections)), 1)
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