def test_on_comment(self, mock_ext):
obj = BugzillaWorker(self.cfg, None)
args = obj._setup_default_args()
args.extend(("modify", "1", "--comment=xfoo bary"))
# Command succeeds
mock_ext.return_value = True
obj.on_comment({"bugid": 1, "commit": {"author_name": "foo bar"}})
mock_ext.assert_called_once_with(args)
# Command fails
mock_ext.reset_mock()
mock_ext.return_value = False
obj.on_comment({"bugid": 1, "commit": {"author_name": "foo bar"}})
mock_ext.assert_called_once_with(args)
