diff --git a/tests/expressions_window/tests.py b/tests/expressions_window/tests.py index 129912b93a..f2ea95fa3c 100644 --- a/tests/expressions_window/tests.py +++ b/tests/expressions_window/tests.py @@ -779,6 +779,14 @@ class WindowFunctionTests(TestCase): ))) +class WindowUnsupportedTests(TestCase): + def test_unsupported_backend(self): + msg = 'This backend does not support window expressions.' + with mock.patch.object(connection.features, 'supports_over_clause', False): + with self.assertRaisesMessage(NotSupportedError, msg): + Employee.objects.annotate(dense_rank=Window(expression=DenseRank())).get() + + class NonQueryWindowTests(SimpleTestCase): def test_window_repr(self): self.assertEqual( @@ -828,12 +836,6 @@ class NonQueryWindowTests(SimpleTestCase): with self.assertRaisesMessage(NotSupportedError, msg): Employee.objects.annotate(dense_rank=Window(expression=DenseRank())).filter(dense_rank__gte=1) - def test_unsupported_backend(self): - msg = 'This backend does not support window expressions.' - with mock.patch.object(connection.features, 'supports_over_clause', False): - with self.assertRaisesMessage(NotSupportedError, msg): - Employee.objects.annotate(dense_rank=Window(expression=DenseRank())).get() - def test_invalid_order_by(self): msg = 'order_by must be either an Expression or a sequence of expressions' with self.assertRaisesMessage(ValueError, msg):