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Diffstat (limited to 'tests')
| -rw-r--r-- | tests/prefetch_related/tests.py | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/tests/prefetch_related/tests.py b/tests/prefetch_related/tests.py index ef32320c0a..41eee219b8 100644 --- a/tests/prefetch_related/tests.py +++ b/tests/prefetch_related/tests.py @@ -733,6 +733,10 @@ class CustomPrefetchTests(TestCase): self.assertEqual(str(warns[0].message), msg) self.assertEqual(str(warns[0].message), msg) + def test_values_queryset(self): + with self.assertRaisesMessage(ValueError, 'Prefetch querysets cannot use values().'): + Prefetch('houses', House.objects.values('pk')) + class DefaultManagerTests(TestCase): |