test_driver.py 文件源码

def test_private_destroy_ebusy_multiple_attempt_ok(self):
        # Tests that the _destroy attempt loop is broken when EBUSY is no
        # longer raised.
        ex = fakelibvirt.make_libvirtError(
                fakelibvirt.libvirtError,
                ("Failed to terminate process 26425 with SIGKILL: "
                 "Device or resource busy"),
                error_code=fakelibvirt.VIR_ERR_SYSTEM_ERROR,
                int1=errno.EBUSY)

        mock_guest = mock.Mock(libvirt_guest.Guest, id=1)
        mock_guest.poweroff = mock.Mock(side_effect=[ex, None])

        inst_info = hardware.InstanceInfo(power_state.SHUTDOWN, id=1)
        instance = objects.Instance(**self.test_instance)
        drvr = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False)

        with mock.patch.object(drvr._host, 'get_guest',
                               return_value=mock_guest):
            with mock.patch.object(drvr, 'get_info', return_value=inst_info):
                drvr._destroy(instance)

        self.assertEqual(2, mock_guest.poweroff.call_count)