bpo-31177: Skip deleted attributes while calling reset_mock (GH-9302)
diff --git a/Lib/unittest/test/testmock/testmock.py b/Lib/unittest/test/testmock/testmock.py
index 8cd284a..ac6eea3 100644
--- a/Lib/unittest/test/testmock/testmock.py
+++ b/Lib/unittest/test/testmock/testmock.py
@@ -1596,6 +1596,16 @@
self.assertRaises(AttributeError, getattr, mock, 'f')
+ def test_reset_mock_does_not_raise_on_attr_deletion(self):
+ # bpo-31177: reset_mock should not raise AttributeError when attributes
+ # were deleted in a mock instance
+ mock = Mock()
+ mock.child = True
+ del mock.child
+ mock.reset_mock()
+ self.assertFalse(hasattr(mock, 'child'))
+
+
def test_class_assignable(self):
for mock in Mock(), MagicMock():
self.assertNotIsInstance(mock, int)