[1.11.x] Fixed #27891 -- Added PasswordResetConfirmView.post_reset_login_backend.

Backport of 5db465d5a6c389b8f9c6e21f7233be9387dc069d from master

2 files changed, 26 insertions, 1 deletions

diff --git a/tests/auth_tests/test_views.py b/tests/auth_tests/test_views.py
index 07989a23b0..a66d1e5809 100644
--- a/tests/auth_tests/test_views.py
+++ b/tests/auth_tests/test_views.py
@@ -10,7 +10,9 @@ from importlib import import_module
 from django.apps import apps
 from django.conf import settings
 from django.contrib.admin.models import LogEntry
-from django.contrib.auth import REDIRECT_FIELD_NAME, SESSION_KEY
+from django.contrib.auth import (
+    BACKEND_SESSION_KEY, REDIRECT_FIELD_NAME, SESSION_KEY,
+)
 from django.contrib.auth.forms import (
     AuthenticationForm, PasswordChangeForm, SetPasswordForm,
 )
@@ -331,6 +333,22 @@ class PasswordResetTest(AuthViewsTestCase):
         self.assertRedirects(response, '/reset/done/', fetch_redirect_response=False)
         self.assertIn(SESSION_KEY, self.client.session)
 
+    @override_settings(
+        AUTHENTICATION_BACKENDS=[
+            'django.contrib.auth.backends.ModelBackend',
+            'django.contrib.auth.backends.AllowAllUsersModelBackend',
+        ]
+    )
+    def test_confirm_login_post_reset_custom_backend(self):
+        # This backend is specified in the url().
+        backend = 'django.contrib.auth.backends.AllowAllUsersModelBackend'
+        url, path = self._test_confirm_start()
+        path = path.replace('/reset/', '/reset/post_reset_login_custom_backend/')
+        response = self.client.post(path, {'new_password1': 'anewpassword', 'new_password2': 'anewpassword'})
+        self.assertRedirects(response, '/reset/done/', fetch_redirect_response=False)
+        self.assertIn(SESSION_KEY, self.client.session)
+        self.assertEqual(self.client.session[BACKEND_SESSION_KEY], backend)
+
     def test_confirm_login_post_reset_already_logged_in(self):
         url, path = self._test_confirm_start()
         path = path.replace('/reset/', '/reset/post_reset_login/')
diff --git a/tests/auth_tests/urls.py b/tests/auth_tests/urls.py
index c1bb5aae49..3c85b52564 100644
--- a/tests/auth_tests/urls.py
+++ b/tests/auth_tests/urls.py
@@ -90,6 +90,13 @@ urlpatterns = auth_urlpatterns + [
         views.PasswordResetConfirmView.as_view(success_url=reverse_lazy('password_reset'))),
     url(r'^reset/post_reset_login/{}/$'.format(uid_token),
         views.PasswordResetConfirmView.as_view(post_reset_login=True)),
+    url(
+        r'^reset/post_reset_login_custom_backend/{}/$'.format(uid_token),
+        views.PasswordResetConfirmView.as_view(
+            post_reset_login=True,
+            post_reset_login_backend='django.contrib.auth.backends.AllowAllUsersModelBackend',
+        ),
+    ),
     url(r'^password_change/custom/$',
         views.PasswordChangeView.as_view(success_url='/custom/')),
     url(r'^password_change/custom/named/$',