Fixed #17966 -- Isolated ProfileTestCase from custom AUTH_PROFILE_MODULE

Thanks Rob Golding for helping on the patch.

django/contrib/auth/tests/models.py

@@ -5,39 +5,29 @@ from django.contrib.auth.models import (Group, User,
     SiteProfileNotAvailable, UserManager)
 
 
-@override_settings(USE_TZ=False)
+@override_settings(USE_TZ=False, AUTH_PROFILE_MODULE='')
 class ProfileTestCase(TestCase):
-    fixtures = ['authtestdata.json']
-
-    def setUp(self):
-        """Backs up the AUTH_PROFILE_MODULE"""
-        self.old_AUTH_PROFILE_MODULE = getattr(settings,
-                                               'AUTH_PROFILE_MODULE', None)
-
-    def tearDown(self):
-        """Restores the AUTH_PROFILE_MODULE -- if it was not set it is deleted,
-        otherwise the old value is restored"""
-        if self.old_AUTH_PROFILE_MODULE is None and \
-                hasattr(settings, 'AUTH_PROFILE_MODULE'):
-            del settings.AUTH_PROFILE_MODULE
-
-        if self.old_AUTH_PROFILE_MODULE is not None:
-            settings.AUTH_PROFILE_MODULE = self.old_AUTH_PROFILE_MODULE
 
     def test_site_profile_not_available(self):
+        user = User.objects.create(username='testclient')
+
         # calling get_profile without AUTH_PROFILE_MODULE set
-        if hasattr(settings, 'AUTH_PROFILE_MODULE'):
-            del settings.AUTH_PROFILE_MODULE
-        user = User.objects.get(username='testclient')
-        self.assertRaises(SiteProfileNotAvailable, user.get_profile)
+        del settings.AUTH_PROFILE_MODULE
+        with self.assertRaisesRegexp(SiteProfileNotAvailable,
+                "You need to set AUTH_PROFILE_MODULE in your project"):
+            user.get_profile()
 
         # Bad syntax in AUTH_PROFILE_MODULE:
         settings.AUTH_PROFILE_MODULE = 'foobar'
-        self.assertRaises(SiteProfileNotAvailable, user.get_profile)
+        with self.assertRaisesRegexp(SiteProfileNotAvailable,
+                "app_label and model_name should be separated by a dot"):
+            user.get_profile()
 
         # module that doesn't exist
         settings.AUTH_PROFILE_MODULE = 'foo.bar'
-        self.assertRaises(SiteProfileNotAvailable, user.get_profile)
+        with self.assertRaisesRegexp(SiteProfileNotAvailable,
+                "Unable to load the profile model"):
+            user.get_profile()
 
 
 @override_settings(USE_TZ=False)