Ticket #16603: 16603-test.diff

tests/aggregation_regress/tests.py

@@ -1020 +1020 @@
             {'book__count__max': 2}
         )
 
+    def test_reverse_filter(self):
+        # foreign key
+        qs = Author.objects.annotate(contact_book_pages=Sum('book_contact_set__pages'))
+        qs = qs.filter(name='Peter Norvig')
+        qs2 = qs.filter(book_contact_set__pages__gte=0)
+        self.assertEquals(qs[0].contact_book_pages, qs2[0].contact_book_pages)
+        # m2m
+        qs = Author.objects.annotate(pages_written=Sum('book__pages'))
+        qs = qs.filter(name='Peter Norvig')
+        qs2 = qs.filter(book__pubdate__lt='2011-01-01')
+        self.assertEquals(qs[0].pages_written, qs2[0].pages_written)
+
     def test_annotate_joins(self):
         """
         Test that the base table's join isn't promoted to LOUTER. This could