[1.1.X] Fixed #5034 -- honor request.urlconf in reverse and resolve.

This enables {% url %} to honor request.urlconf set from process_request
middleware methods.

Thanks SmileyChris for the initial patch work.

Backport of [11740] from trunk

git-svn-id: http://code.djangoproject.com/svn/django/branches/releases/1.1.X@11741 bcc190cf-cafb-0310-a4f2-bffc1f526a37

tests/regressiontests/urlpatterns_reverse/tests.py

@@ -16,11 +16,16 @@ ImproperlyConfigured: The included urlconf regressiontests.urlpatterns_reverse.n
 
 import unittest
 
+from django.conf import settings
 from django.core.urlresolvers import reverse, resolve, NoReverseMatch, Resolver404
 from django.http import HttpResponseRedirect, HttpResponsePermanentRedirect
 from django.shortcuts import redirect
 from django.test import TestCase
 
+import urlconf_outer
+import urlconf_inner
+import middleware
+
 test_data = (
     ('places', '/places/3/', [3], {}),
     ('places', '/places/3/', ['3'], {}),
@@ -239,3 +244,35 @@ class NamespaceTests(TestCase):
         self.assertEquals('/other1/inner/37/42/', reverse('nodefault:urlobject-view', args=[37,42], current_app='other-ns1'))
         self.assertEquals('/other1/inner/42/37/', reverse('nodefault:urlobject-view', kwargs={'arg1':42, 'arg2':37}, current_app='other-ns1'))
 
+
+class RequestURLconfTests(TestCase):
+    def setUp(self):
+        self.root_urlconf = settings.ROOT_URLCONF
+        self.middleware_classes = settings.MIDDLEWARE_CLASSES
+        settings.ROOT_URLCONF = urlconf_outer.__name__
+
+    def tearDown(self):
+        settings.ROOT_URLCONF = self.root_urlconf
+        settings.MIDDLEWARE_CLASSES = self.middleware_classes
+
+    def test_urlconf(self):
+        response = self.client.get('/test/me/')
+        self.assertEqual(response.status_code, 200)
+        self.assertEqual(response.content, 'outer:/test/me/,'
+                                           'inner:/inner_urlconf/second_test/')
+        response = self.client.get('/inner_urlconf/second_test/')
+        self.assertEqual(response.status_code, 200)
+        response = self.client.get('/second_test/')
+        self.assertEqual(response.status_code, 404)
+
+    def test_urlconf_overridden(self):
+        settings.MIDDLEWARE_CLASSES += (
+            '%s.ChangeURLconfMiddleware' % middleware.__name__,
+        )
+        response = self.client.get('/test/me/')
+        self.assertEqual(response.status_code, 404)
+        response = self.client.get('/inner_urlconf/second_test/')
+        self.assertEqual(response.status_code, 404)
+        response = self.client.get('/second_test/')
+        self.assertEqual(response.status_code, 200)
+        self.assertEqual(response.content, 'outer:,inner:/second_test/')