Source code for ironic_python_agent.tests.unit.extensions.test_flow
# Copyright 2014 Mirantis, Inc.
#
# 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 time
import mock
from oslotest import base as test_base
from stevedore import enabled
from stevedore import extension
from ironic_python_agent import errors
from ironic_python_agent.extensions import base
from ironic_python_agent.extensions import flow
FLOW_INFO = [
{"fake.sleep": {"sleep_info": {"time": 1}}},
{"fake.sleep": {"sleep_info": {"time": 2}}},
{"fake.sync_sleep": {"sleep_info": {"time": 3}}},
{"fake.sleep": {"sleep_info": {"time": 4}}},
{"fake.sync_sleep": {"sleep_info": {"time": 5}}},
{"fake.sleep": {"sleep_info": {"time": 6}}},
{"fake.sleep": {"sleep_info": {"time": 7}}},
]
[docs]class FakeExtension(base.BaseAgentExtension):
@base.async_command('sleep')
[docs] def sleep(self, sleep_info=None):
time.sleep(sleep_info['time'])
@base.sync_command('sync_sleep')
[docs] def sync_sleep(self, sleep_info=None):
time.sleep(sleep_info['time'])
[docs]class TestFlowExtension(test_base.BaseTestCase):
[docs] def setUp(self):
super(TestFlowExtension, self).setUp()
self.agent_extension = flow.FlowExtension()
self.agent_extension.ext_mgr = enabled.EnabledExtensionManager.\
make_test_instance([extension.Extension('fake', None,
FakeExtension,
FakeExtension())])
@mock.patch('time.sleep', autospec=True)
[docs] def test_sleep_flow_success(self, sleep_mock):
result = self.agent_extension.start_flow(flow=FLOW_INFO)
result.join()
sleep_calls = [mock.call(i) for i in range(1, 8)]
sleep_mock.assert_has_calls(sleep_calls)
@mock.patch('time.sleep', autospec=True)
[docs] def test_sleep_flow_failed(self, sleep_mock):
sleep_mock.side_effect = errors.RESTError()
result = self.agent_extension.start_flow(flow=FLOW_INFO)
result.join()
self.assertEqual(base.AgentCommandStatus.FAILED, result.command_status)
self.assertIsInstance(result.command_error,
errors.CommandExecutionError)
@mock.patch('time.sleep', autospec=True)
[docs] def test_sleep_flow_failed_on_second_command(self, sleep_mock):
sleep_mock.side_effect = [None, Exception('foo'), None, None]
result = self.agent_extension.start_flow(flow=FLOW_INFO[:4])
result.join()
self.assertEqual(base.AgentCommandStatus.FAILED, result.command_status)
self.assertIsInstance(result.command_error,
errors.CommandExecutionError)
self.assertEqual(2, sleep_mock.call_count)
[docs] def test_validate_exts_success(self):
flow._validate_exts(self.agent_extension, flow=FLOW_INFO)
[docs] def test_validate_exts_failed_to_find_extension(self):
self.agent_extension.ext_mgr.names = mock.Mock()
self.agent_extension.ext_mgr.names.return_value = ['fake_fake']
self.assertRaises(errors.RequestedObjectNotFoundError,
flow._validate_exts, self.agent_extension,
flow=FLOW_INFO)
[docs] def test_validate_exts_failed_empty_command_map(self):
fake_ext = self.agent_extension.ext_mgr['fake'].obj
delattr(fake_ext, 'command_map')
self.assertRaises(errors.InvalidCommandParamsError,
flow._validate_exts, self.agent_extension,
flow=FLOW_INFO)
[docs] def test_validate_exts_failed_missing_command(self):
fake_ext = self.agent_extension.ext_mgr['fake'].obj
fake_ext.command_map = {'not_exist': 'fake'}
self.assertRaises(errors.InvalidCommandParamsError,
flow._validate_exts, self.agent_extension,
flow=FLOW_INFO)