test_power.py 文件源码

def test_query_all_nodes_swallows_PowerError(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(PowerError(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(
            """\
            %s: Could not query power state: %s.
            %s: Power state has changed from %s to %s.
            """ % (node1['hostname'], error_msg,
                   node2['hostname'], node2['power_state'], new_state_2),
            maaslog.output)