Fixed #25534, Fixed #31639 -- Added support for transform references in expressions.

Thanks Mariusz Felisiak and Simon Charette for reviews.

1 files changed, 8 insertions, 0 deletions

diff --git a/tests/aggregation/tests.py b/tests/aggregation/tests.py
index 43fd9dd074..ad4b94a7f9 100644
--- a/tests/aggregation/tests.py
+++ b/tests/aggregation/tests.py
@@ -151,6 +151,14 @@ class AggregateTestCase(TestCase):
         vals = Store.objects.filter(name="Amazon.com").aggregate(amazon_mean=Avg("books__rating"))
         self.assertEqual(vals, {'amazon_mean': Approximate(4.08, places=2)})
 
+    def test_aggregate_transform(self):
+        vals = Store.objects.aggregate(min_month=Min('original_opening__month'))
+        self.assertEqual(vals, {'min_month': 3})
+
+    def test_aggregate_join_transform(self):
+        vals = Publisher.objects.aggregate(min_year=Min('book__pubdate__year'))
+        self.assertEqual(vals, {'min_year': 1991})
+
     def test_annotate_basic(self):
         self.assertQuerysetEqual(
             Book.objects.annotate().order_by('pk'), [