[1.10.x] Fixed #27063 -- Prevented i18n_patterns() from using too much of the URL as the language.

Backport of a01d887a3ad9029ed198b6af974534fec46223f9 from master

2 files changed, 8 insertions, 0 deletions

diff --git a/tests/i18n/tests.py b/tests/i18n/tests.py
index 219d2b4022..0f80e0ae91 100644
--- a/tests/i18n/tests.py
+++ b/tests/i18n/tests.py
@@ -1474,6 +1474,7 @@ class MiscTests(SimpleTestCase):
         self.assertEqual(g('/de/'), 'de')
         self.assertEqual(g('/de-at/'), 'de-at')
         self.assertEqual(g('/de-ch/'), 'de')
+        self.assertIsNone(g('/de-simple-page/'))
 
     def test_get_language_from_path_null(self):
         from django.utils.translation.trans_null import get_language_from_path as g
@@ -1806,6 +1807,7 @@ class LocaleMiddlewareTests(TestCase):
     USE_I18N=True,
     LANGUAGES=[
         ('en', 'English'),
+        ('de', 'German'),
         ('fr', 'French'),
     ],
     MIDDLEWARE=[
@@ -1836,6 +1838,11 @@ class UnprefixedDefaultLanguageTests(SimpleTestCase):
         with self.assertRaisesMessage(AssertionError, "Unexpected kwargs for i18n_patterns(): {'foo':"):
             i18n_patterns(object(), foo='bar')
 
+    def test_page_with_dash(self):
+        # A page starting with /de* shouldn't match the 'de' langauge code.
+        response = self.client.get('/de-simple-page/')
+        self.assertEqual(response.content, b'Yes')
+
 
 @override_settings(
     USE_I18N=True,
diff --git a/tests/i18n/urls_default_unprefixed.py b/tests/i18n/urls_default_unprefixed.py
index 8cadbfaa73..92ef8c6246 100644
--- a/tests/i18n/urls_default_unprefixed.py
+++ b/tests/i18n/urls_default_unprefixed.py
@@ -4,6 +4,7 @@ from django.http import HttpResponse
 from django.utils.translation import ugettext_lazy as _
 
 urlpatterns = i18n_patterns(
+    url(r'^(?P<arg>[\w-]+)-page', lambda request, **arg: HttpResponse(_("Yes"))),
     url(r'^simple/$', lambda r: HttpResponse(_("Yes"))),
     prefix_default_language=False,
 )