test_driver.py 文件源码

def test_private_destroy_ebusy_timeout(self):
        # Tests that _destroy will retry 3 times to destroy the guest when an
        # EBUSY is raised, but eventually times out and raises the libvirtError
        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)

        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):
            self.assertRaises(fakelibvirt.libvirtError, drvr._destroy,
                              instance)

        self.assertEqual(3, mock_guest.poweroff.call_count)