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# Copyright (C) 2016 Intel Corporation
#
# 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 os
from unittest import mock
from oslo_concurrency import processutils
from oslo_config import cfg
from ironic_python_agent import hardware
from ironic_python_agent.hardware_managers import cna
from ironic_python_agent.tests.unit import base
from ironic_python_agent import utils
CONF = cfg.CONF
class TestIntelCnaHardwareManager(base.IronicAgentTest):
def setUp(self):
super(TestIntelCnaHardwareManager, self).setUp()
self.hardware = cna.IntelCnaHardwareManager()
self.node = {'uuid': 'dda135fb-732d-4742-8e72-df8f3199d244',
'driver_internal_info': {}}
CONF.clear_override('disk_wait_attempts')
CONF.clear_override('disk_wait_delay')
@mock.patch.object(os, 'listdir', autospec=True)
@mock.patch.object(utils, 'execute', autospec=True)
def test_detect_cna_card(self, mock_execute, mock_listdir):
def mock_return_execute(*args, **kwargs):
if 'eth0' in args[2]:
return '/foo/bar/fake', ''
if 'eth1' in args[2]:
return '/foo/bar/i40e', ''
mock_listdir.return_value = ['eth0', 'eth1']
mock_execute.side_effect = mock_return_execute
self.assertTrue(cna._detect_cna_card())
@mock.patch.object(os, 'listdir', autospec=True)
@mock.patch.object(utils, 'execute', autospec=True)
def test_detect_cna_card_execute_error(self, mock_execute, mock_listdir):
def mock_return_execute(*args, **kwargs):
if 'eth0' in args[2]:
return '/foo/bar/fake', ''
if 'eth1' in args[2]:
raise processutils.ProcessExecutionError('fake')
if 'eth2' in args[2]:
raise OSError('fake')
mock_listdir.return_value = ['eth0', 'eth1', 'eth2']
mock_execute.side_effect = mock_return_execute
self.assertFalse(cna._detect_cna_card())
@mock.patch.object(os, 'listdir', autospec=True)
@mock.patch.object(utils, 'execute', autospec=True)
def test_detect_cna_card_no_i40e_driver(self, mock_execute, mock_listdir):
def mock_return_execute(*args, **kwargs):
if 'eth0' in args[2]:
return '/foo/bar/fake1', ''
if 'eth1' in args[2]:
return '/foo/bar/fake2', ''
mock_listdir.return_value = ['eth0', 'eth1']
mock_execute.side_effect = mock_return_execute
self.assertFalse(cna._detect_cna_card())
@mock.patch.object(cna, 'LOG', autospec=True)
@mock.patch.object(os, 'listdir', autospec=True)
@mock.patch.object(os.path, 'exists', autospec=True)
def test_disable_embedded_lldp_agent_in_cna_card(self, mock_exists,
mock_listdir, mock_log):
mock_exists.return_value = True
mock_listdir.return_value = ['foo', 'bar']
write_mock = mock.mock_open()
with mock.patch('builtins.open', write_mock, create=True):
cna._disable_embedded_lldp_agent_in_cna_card()
write_mock().write.assert_called_with('lldp stop')
self.assertFalse(mock_log.warning.called)
@mock.patch.object(cna, 'LOG', autospec=True)
@mock.patch.object(os.path, 'exists', autospec=True)
def test_disable_embedded_lldp_agent_wrong_dir_path(self, mock_exists,
mock_log):
mock_exists.return_value = False
cna._disable_embedded_lldp_agent_in_cna_card()
expected_log_message = 'Driver i40e was not loaded properly'
mock_log.warning.assert_called_once_with(expected_log_message)
@mock.patch.object(cna, 'LOG', autospec=True)
@mock.patch.object(os, 'listdir', autospec=True)
@mock.patch.object(os.path, 'exists', autospec=True)
def test_disable_embedded_lldp_agent_write_error(self, mock_exists,
mock_listdir, mock_log):
mock_exists.return_value = True
listdir_dict = ['foo', 'bar']
mock_listdir.return_value = listdir_dict
write_mock = mock.mock_open()
with mock.patch('builtins.open', write_mock, create=True):
write_mock.side_effect = IOError('fake error')
cna._disable_embedded_lldp_agent_in_cna_card()
expected_log_message = ('Failed to disable the embedded LLDP on '
'Intel CNA network card. Addresses of '
'failed pci devices: %s',
str(listdir_dict).strip('[]'))
mock_log.warning.assert_called_once_with(expected_log_message)
@mock.patch.object(cna, 'LOG', autospec=True)
@mock.patch.object(cna, '_detect_cna_card', autospec=True)
def test_evaluate_hardware_support(
self, mock_detect_card, mock_log):
mock_detect_card.return_value = True
expected_support = hardware.HardwareSupport.MAINLINE
actual_support = self.hardware.evaluate_hardware_support()
self.assertEqual(expected_support, actual_support)
mock_log.debug.assert_called_once()
@mock.patch.object(cna, 'LOG', autospec=True)
@mock.patch.object(cna, '_detect_cna_card', autospec=True)
def test_evaluate_hardware_support_no_cna_card_detected(self,
mock_detect_card,
mock_log):
mock_detect_card.return_value = False
expected_support = hardware.HardwareSupport.NONE
actual_support = self.hardware.evaluate_hardware_support()
self.assertEqual(expected_support, actual_support)
mock_log.debug.assert_called_once()
@mock.patch.object(cna, 'LOG', autospec=True)
@mock.patch.object(cna, '_disable_embedded_lldp_agent_in_cna_card',
autospec=True)
def test_initialize_with_collect_lldp_disabled(
self, mock_disable_lldp_agent, mock_log):
self.hardware.initialize()
mock_log.info.assert_not_called()
mock_disable_lldp_agent.assert_not_called()
@mock.patch.object(cna, 'LOG', autospec=True)
@mock.patch.object(cna, '_disable_embedded_lldp_agent_in_cna_card',
autospec=True)
def test_initialize_with_collect_lldp_enabled(
self, mock_disable_lldp_agent, mock_log):
self.config(collect_lldp=True)
self.hardware.initialize()
mock_log.info.assert_called_once()
mock_disable_lldp_agent.assert_called_once()
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