Fixes #15721 -- Make {% include %} and RequestContext work together again.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@16031 bcc190cf-cafb-0310-a4f2-bffc1f526a37

tests/regressiontests/templates/tests.py

@@ -1639,5 +1639,34 @@ class TemplateTagLoading(unittest.TestCase):
         settings.INSTALLED_APPS = ('tagsegg',)
         t = template.Template(ttext)
 
+
+class RequestContextTests(BaseTemplateResponseTest):
+
+    def setUp(self):
+        templates = {
+            'child': Template('{{ var|default:"none" }}'),
+        }
+        setup_test_template_loader(templates)
+        self.fake_request = RequestFactory().get('/')
+
+    def tearDown(self):
+        restore_template_loaders()
+
+    def test_include_only(self):
+        """
+        Regression test for #15721, ``{% include %}`` and ``RequestContext``
+        not playing together nicely.
+        """
+        ctx = RequestContext(self.fake_request, {'var': 'parent'})
+        self.assertEqual(
+            template.Template('{% include "child" %}').render(ctx),
+            'parent'
+        )
+        self.assertEqual(
+            template.Template('{% include "child" only %}').render(ctx),
+            'none'
+        )
+
+
 if __name__ == "__main__":
     unittest.main()