test_power.py 文件源码

def test_query_all_nodes_swallows_PowerActionFail(self):
        node1, node2 = self.make_nodes(2)
        new_state_2 = self.pick_alternate_state(node2['power_state'])
        get_power_state = self.patch(power, 'get_power_state')
        error_msg = factory.make_name("error")
        get_power_state.side_effect = [
            fail(exceptions.PowerActionFail(error_msg)),
            succeed(new_state_2),
        ]
        suppress_reporting(self)

        with FakeLogger("maas.power", level=logging.DEBUG) as maaslog:
            yield power.query_all_nodes([node1, node2])

        self.assertDocTestMatches(
            """\
            hostname-...: Could not query power state: %s.
            hostname-...: Power state has changed from ... to ...
            """ % error_msg,
            maaslog.output)