Fixed #17931 -- Accepted aware datetimes to set cookies expiry dates. Thanks jaddison for the report.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@17766 bcc190cf-cafb-0310-a4f2-bffc1f526a37

tests/regressiontests/requests/tests.py

@@ -12,6 +12,7 @@ from django.http import HttpRequest, HttpResponse, parse_cookie, build_request_r
 from django.test.utils import get_warnings_state, restore_warnings_state
 from django.utils import unittest
 from django.utils.http import cookie_date
+from django.utils.timezone import utc
 
 
 class RequestsTests(unittest.TestCase):
@@ -207,6 +208,15 @@ class RequestsTests(unittest.TestCase):
         datetime_cookie = response.cookies['datetime']
         self.assertEqual(datetime_cookie['max-age'], 10)
 
+    def test_aware_expiration(self):
+        "Cookie accepts an aware datetime as expiration time"
+        response = HttpResponse()
+        expires = (datetime.utcnow() + timedelta(seconds=10)).replace(tzinfo=utc)
+        time.sleep(0.001)
+        response.set_cookie('datetime', expires=expires)
+        datetime_cookie = response.cookies['datetime']
+        self.assertEqual(datetime_cookie['max-age'], 10)
+
     def test_far_expiration(self):
         "Cookie will expire when an distant expiration time is provided"
         response = HttpResponse()