diff --git a/tests/aggregation/test_filter_argument.py b/tests/aggregation/test_filter_argument.py index f55e06dfa0..caf2cd3d6f 100644 --- a/tests/aggregation/test_filter_argument.py +++ b/tests/aggregation/test_filter_argument.py @@ -192,3 +192,16 @@ class FilteredAggregateTests(TestCase): ), ) self.assertEqual(aggregate, {"max_rating": 4.5}) + + def test_filtered_aggregate_empty_condition(self): + book = Book.objects.annotate( + authors_count=Count( + "authors", + filter=Q(authors__in=[]), + ), + ).get(pk=self.b1.pk) + self.assertEqual(book.authors_count, 0) + aggregate = Book.objects.aggregate( + max_rating=Max("rating", filter=Q(rating__in=[])) + ) + self.assertEqual(aggregate, {"max_rating": None})