/usr/lib/python3/dist-packages/os_win/tests/utils/test_jobutils.py is in python3-os-win 1.2.0-2.
This file is owned by root:root, with mode 0o644.
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#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import ddt
import mock
from os_win import constants
from os_win import exceptions
from os_win.tests import test_base
from os_win.utils import jobutils
@ddt.ddt
class JobUtilsTestCase(test_base.OsWinBaseTestCase):
"""Unit tests for the Hyper-V JobUtils class."""
_FAKE_RET_VAL = 0
_FAKE_JOB_STATUS_BAD = -1
_FAKE_JOB_DESCRIPTION = "fake_job_description"
_FAKE_JOB_PATH = 'fake_job_path'
_FAKE_ERROR = "fake_error"
_FAKE_ELAPSED_TIME = 0
_CONCRETE_JOB = "Msvm_ConcreteJob"
def setUp(self):
super(JobUtilsTestCase, self).setUp()
self.jobutils = jobutils.JobUtils()
self.jobutils._conn_attr = mock.MagicMock()
@mock.patch.object(jobutils.JobUtils, '_wait_for_job')
def test_check_ret_val_started(self, mock_wait_for_job):
self.jobutils.check_ret_val(constants.WMI_JOB_STATUS_STARTED,
mock.sentinel.job_path)
mock_wait_for_job.assert_called_once_with(mock.sentinel.job_path)
@mock.patch.object(jobutils.JobUtils, '_wait_for_job')
def test_check_ret_val_ok(self, mock_wait_for_job):
self.jobutils.check_ret_val(self._FAKE_RET_VAL,
mock.sentinel.job_path)
self.assertFalse(mock_wait_for_job.called)
def test_check_ret_val_exception(self):
self.assertRaises(exceptions.HyperVException,
self.jobutils.check_ret_val,
mock.sentinel.ret_val_bad,
mock.sentinel.job_path)
def test_wait_for_job_exception_concrete_job(self):
mock_job = self._prepare_wait_for_job()
mock_job.path.return_value.Class = self._CONCRETE_JOB
self.assertRaises(exceptions.HyperVException,
self.jobutils._wait_for_job,
self._FAKE_JOB_PATH)
def test_wait_for_job_exception_with_error(self):
mock_job = self._prepare_wait_for_job()
mock_job.GetError.return_value = (self._FAKE_ERROR, self._FAKE_RET_VAL)
self.assertRaises(exceptions.HyperVException,
self.jobutils._wait_for_job,
self._FAKE_JOB_PATH)
mock_job.GetError.assert_called_once_with()
def test_wait_for_job_exception_no_error_details(self):
mock_job = self._prepare_wait_for_job()
mock_job.GetError.return_value = (None, None)
self.assertRaises(exceptions.HyperVException,
self.jobutils._wait_for_job,
self._FAKE_JOB_PATH)
def test_wait_for_job_ok(self):
mock_job = self._prepare_wait_for_job(
constants.WMI_JOB_STATE_COMPLETED)
job = self.jobutils._wait_for_job(self._FAKE_JOB_PATH)
self.assertEqual(mock_job, job)
@ddt.data(True, False)
def test_get_pending_jobs(self, ignore_error_state):
mock_killed_job = mock.Mock(JobState=constants.JOB_STATE_KILLED)
mock_running_job = mock.Mock(JobState=constants.WMI_JOB_STATE_RUNNING)
mock_error_st_job = mock.Mock(JobState=constants.JOB_STATE_EXCEPTION)
mappings = [mock.Mock(AffectingElement=None),
mock.Mock(AffectingElement=mock_killed_job),
mock.Mock(AffectingElement=mock_running_job),
mock.Mock(AffectingElement=mock_error_st_job)]
self.jobutils._conn.Msvm_AffectedJobElement.return_value = mappings
mock_affected_element = mock.Mock()
expected_pending_jobs = [mock_running_job]
if not ignore_error_state:
expected_pending_jobs.append(mock_error_st_job)
pending_jobs = self.jobutils._get_pending_jobs_affecting_element(
mock_affected_element,
ignore_error_state=ignore_error_state)
self.assertEqual(expected_pending_jobs, pending_jobs)
self.jobutils._conn.Msvm_AffectedJobElement.assert_called_once_with(
AffectedElement=mock_affected_element.path_.return_value)
@ddt.data(True, False)
@mock.patch.object(jobutils.JobUtils,
'_get_pending_jobs_affecting_element')
def test_stop_jobs_helper(self, jobs_ended, mock_get_pending_jobs):
mock_job1 = mock.Mock(Cancellable=True)
mock_job2 = mock.Mock(Cancellable=True)
mock_job3 = mock.Mock(Cancellable=False)
pending_jobs = [mock_job1, mock_job2, mock_job3]
mock_get_pending_jobs.side_effect = (
pending_jobs,
pending_jobs if not jobs_ended else [])
mock_job1.RequestStateChange.side_effect = (
test_base.FakeWMIExc(hresult=jobutils.JobUtils._WBEM_E_NOT_FOUND))
mock_job2.RequestStateChange.side_effect = (
test_base.FakeWMIExc(hresult=mock.sentinel.hresult))
if jobs_ended:
self.jobutils._stop_jobs(mock.sentinel.vm)
else:
self.assertRaises(exceptions.JobTerminateFailed,
self.jobutils._stop_jobs,
mock.sentinel.vm)
mock_get_pending_jobs.assert_has_calls(
[mock.call(mock.sentinel.vm, ignore_error_state=False),
mock.call(mock.sentinel.vm)])
mock_job1.RequestStateChange.assert_called_once_with(
self.jobutils._KILL_JOB_STATE_CHANGE_REQUEST)
mock_job2.RequestStateChange.assert_called_once_with(
self.jobutils._KILL_JOB_STATE_CHANGE_REQUEST)
self.assertFalse(mock_job3.RequestStateqqChange.called)
@mock.patch.object(jobutils.JobUtils, '_stop_jobs')
def test_stop_jobs(self, mock_stop_jobs_helper):
fake_timeout = 1
self.jobutils.stop_jobs(mock.sentinel.element, fake_timeout)
mock_stop_jobs_helper.assert_called_once_with(mock.sentinel.element)
def test_is_job_completed_true(self):
job = mock.MagicMock(JobState=constants.WMI_JOB_STATE_COMPLETED)
self.assertTrue(self.jobutils._is_job_completed(job))
def test_is_job_completed_false(self):
job = mock.MagicMock(JobState=constants.WMI_JOB_STATE_RUNNING)
self.assertFalse(self.jobutils._is_job_completed(job))
def _prepare_wait_for_job(self, state=_FAKE_JOB_STATUS_BAD):
mock_job = mock.MagicMock()
mock_job.JobState = state
mock_job.Description = self._FAKE_JOB_DESCRIPTION
mock_job.ElapsedTime = self._FAKE_ELAPSED_TIME
wmi_patcher = mock.patch.object(jobutils.JobUtils, '_get_wmi_obj')
mock_wmi = wmi_patcher.start()
self.addCleanup(wmi_patcher.stop)
mock_wmi.return_value = mock_job
return mock_job
def test_modify_virt_resource(self):
side_effect = [
(self._FAKE_JOB_PATH, mock.MagicMock(), self._FAKE_RET_VAL)]
self._check_modify_virt_resource_max_retries(side_effect=side_effect)
def test_modify_virt_resource_max_retries_exception(self):
side_effect = exceptions.HyperVException('expected failure.')
self._check_modify_virt_resource_max_retries(
side_effect=side_effect, num_calls=6, expected_fail=True)
def test_modify_virt_resource_max_retries(self):
side_effect = [exceptions.HyperVException('expected failure.')] * 5 + [
(self._FAKE_JOB_PATH, mock.MagicMock(), self._FAKE_RET_VAL)]
self._check_modify_virt_resource_max_retries(side_effect=side_effect,
num_calls=5)
@mock.patch('time.sleep')
def _check_modify_virt_resource_max_retries(
self, mock_sleep, side_effect, num_calls=1, expected_fail=False):
mock_svc = mock.MagicMock()
self.jobutils._vs_man_svc_attr = mock_svc
mock_svc.ModifyResourceSettings.side_effect = side_effect
mock_res_setting_data = mock.MagicMock()
mock_res_setting_data.GetText_.return_value = mock.sentinel.res_data
if expected_fail:
self.assertRaises(exceptions.HyperVException,
self.jobutils.modify_virt_resource,
mock_res_setting_data)
else:
self.jobutils.modify_virt_resource(mock_res_setting_data)
mock_calls = [
mock.call(ResourceSettings=[mock.sentinel.res_data])] * num_calls
mock_svc.ModifyResourceSettings.has_calls(mock_calls)
mock_sleep.has_calls(mock.call(1) * num_calls)
def test_add_virt_resource(self):
self._test_virt_method('AddResourceSettings', 3, 'add_virt_resource',
True, mock.sentinel.vm_path,
[mock.sentinel.res_data])
def test_remove_virt_resource(self):
self._test_virt_method('RemoveResourceSettings', 2,
'remove_virt_resource', False,
ResourceSettings=[mock.sentinel.res_path])
def test_add_virt_feature(self):
self._test_virt_method('AddFeatureSettings', 3, 'add_virt_feature',
True, mock.sentinel.vm_path,
[mock.sentinel.res_data])
def test_remove_virt_feature(self):
self._test_virt_method('RemoveFeatureSettings', 2,
'remove_virt_feature', False,
FeatureSettings=[mock.sentinel.res_path])
def _test_virt_method(self, vsms_method_name, return_count,
utils_method_name, with_mock_vm, *args, **kwargs):
mock_svc = mock.MagicMock()
self.jobutils._vs_man_svc_attr = mock_svc
vsms_method = getattr(mock_svc, vsms_method_name)
mock_rsd = self._mock_vsms_method(vsms_method, return_count)
if with_mock_vm:
mock_vm = mock.MagicMock()
mock_vm.path_.return_value = mock.sentinel.vm_path
getattr(self.jobutils, utils_method_name)(mock_rsd, mock_vm)
else:
getattr(self.jobutils, utils_method_name)(mock_rsd)
if args:
vsms_method.assert_called_once_with(*args)
else:
vsms_method.assert_called_once_with(**kwargs)
def _mock_vsms_method(self, vsms_method, return_count):
args = None
if return_count == 3:
args = (
mock.sentinel.job_path, mock.MagicMock(), self._FAKE_RET_VAL)
else:
args = (mock.sentinel.job_path, self._FAKE_RET_VAL)
vsms_method.return_value = args
mock_res_setting_data = mock.MagicMock()
mock_res_setting_data.GetText_.return_value = mock.sentinel.res_data
mock_res_setting_data.path_.return_value = mock.sentinel.res_path
self.jobutils.check_ret_val = mock.MagicMock()
return mock_res_setting_data
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