Fixed #26428 -- Added support for relative path redirects in assertRedirects().

Thanks Trac alias master for the report and review.

1 files changed, 6 insertions, 1 deletions

diff --git a/django/test/testcases.py b/django/test/testcases.py
index 9de29fff68..3abd8f0f71 100644
--- a/django/test/testcases.py
+++ b/django/test/testcases.py
@@ -41,7 +41,7 @@ from django.utils.decorators import classproperty
 from django.utils.deprecation import RemovedInDjango20Warning
 from django.utils.encoding import force_text
 from django.utils.six.moves.urllib.parse import (
-    unquote, urlparse, urlsplit, urlunsplit,
+    unquote, urljoin, urlparse, urlsplit, urlunsplit,
 )
 from django.utils.six.moves.urllib.request import url2pathname
 from django.views.static import serve
@@ -291,6 +291,11 @@ class SimpleTestCase(unittest.TestCase):
             url = response.url
             scheme, netloc, path, query, fragment = urlsplit(url)
 
+            # Prepend the request path to handle relative path redirects.
+            if not path.startswith('/'):
+                url = urljoin(response.request['PATH_INFO'], url)
+                path = urljoin(response.request['PATH_INFO'], path)
+
             if fetch_redirect_response:
                 redirect_response = response.client.get(path, QueryDict(query),
                                                         secure=(scheme == 'https'))