Fixed #31858 -- Reallowed whitespaces in URL paths outside of parameters.

Regression in 22394bd3a18a7d9a8957a0b431f8ae4e5ca03a8c.

Thanks David Smith for the review.

1 files changed, 14 insertions, 4 deletions

diff --git a/tests/urlpatterns/tests.py b/tests/urlpatterns/tests.py
index 54b7e09813..b6b23ade9e 100644
--- a/tests/urlpatterns/tests.py
+++ b/tests/urlpatterns/tests.py
@@ -1,3 +1,4 @@
+import string
 import uuid
 
 from django.conf.urls import url as conf_url
@@ -142,10 +143,19 @@ class SimplifiedURLTests(SimpleTestCase):
         with self.assertRaisesMessage(ImproperlyConfigured, msg):
             path('foo/<nonexistent:var>/', empty_view)
 
-    def test_space_in_route(self):
-        msg = "URL route 'space/<int: num>' cannot contain whitespace."
-        with self.assertRaisesMessage(ImproperlyConfigured, msg):
-            path('space/<int: num>', empty_view)
+    def test_whitespace_in_route(self):
+        msg = (
+            "URL route 'space/<int:num>/extra/<str:%stest>' cannot contain "
+            "whitespace in angle brackets <…>"
+        )
+        for whitespace in string.whitespace:
+            with self.subTest(repr(whitespace)):
+                with self.assertRaisesMessage(ImproperlyConfigured, msg % whitespace):
+                    path('space/<int:num>/extra/<str:%stest>' % whitespace, empty_view)
+        # Whitespaces are valid in paths.
+        p = path('space%s/<int:num>/' % string.whitespace, empty_view)
+        match = p.resolve('space%s/1/' % string.whitespace)
+        self.assertEqual(match.kwargs, {'num': 1})
 
 
 @override_settings(ROOT_URLCONF='urlpatterns.converter_urls')