cinder/cinder/tests/unit/zonemanager/test_fc_zone_manager.py

148 lines
5.9 KiB
Python

# (c) Copyright 2014 Brocade Communications Systems Inc.
# All Rights Reserved.
#
# Copyright 2014 OpenStack Foundation
#
# 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.
#
"""Unit tests for FC Zone Manager."""
import mock
from cinder import exception
from cinder import test
from cinder.volume import configuration as conf
from cinder.zonemanager.drivers import fc_zone_driver
from cinder.zonemanager import fc_zone_manager
fabric_name = 'BRCD_FAB_3'
init_target_map = {'10008c7cff523b01': ['20240002ac000a50']}
conn_info = {
'driver_volume_type': 'fibre_channel',
'data': {
'target_discovered': True,
'target_lun': 1,
'target_wwn': '20240002ac000a50',
'initiator_target_map': {
'10008c7cff523b01': ['20240002ac000a50']
}
}
}
fabric_map = {'BRCD_FAB_3': ['20240002ac000a50']}
target_list = ['20240002ac000a50']
class TestFCZoneManager(test.TestCase):
def __init__(self, *args, **kwargs):
super(TestFCZoneManager, self).__init__(*args, **kwargs)
def setup_fake_driver(self):
config = conf.Configuration(None)
config.fc_fabric_names = fabric_name
def fake_build_driver(self):
self.driver = mock.Mock(fc_zone_driver.FCZoneDriver)
self.set_initialized(True)
self.mock_object(fc_zone_manager.ZoneManager, '_build_driver',
fake_build_driver)
self.zm = fc_zone_manager.ZoneManager(configuration=config)
self.configuration = conf.Configuration(None)
self.configuration.fc_fabric_names = fabric_name
def test_unsupported_driver_disabled(self):
config = conf.Configuration(fc_zone_manager.zone_manager_opts,
'fc-zone-manager')
config.fc_fabric_names = fabric_name
config.enable_unsupported_driver = False
def fake_import(self, *args, **kwargs):
fake_driver = mock.Mock(fc_zone_driver.FCZoneDriver)
fake_driver.supported = False
return fake_driver
self.patch('oslo_utils.importutils.import_object',
fake_import)
zm = fc_zone_manager.ZoneManager(configuration=config)
self.assertFalse(zm.driver.supported)
self.assertFalse(zm.initialized)
def test_unsupported_driver_enabled(self):
config = conf.Configuration(None)
config.fc_fabric_names = fabric_name
def fake_import(self, *args, **kwargs):
fake_driver = mock.Mock(fc_zone_driver.FCZoneDriver)
fake_driver.supported = False
return fake_driver
self.patch('oslo_utils.importutils.import_object',
fake_import)
with mock.patch(
'cinder.volume.configuration.Configuration') as mock_config:
mock_config.return_value.zone_driver = 'test'
mock_config.return_value.enable_unsupported_driver = True
zm = fc_zone_manager.ZoneManager(configuration=config)
self.assertFalse(zm.driver.supported)
self.assertTrue(zm.initialized)
@mock.patch('oslo_config.cfg._is_opt_registered', return_value=False)
def test_add_connection(self, opt_mock):
self.setup_fake_driver()
with mock.patch.object(self.zm.driver, 'add_connection')\
as add_connection_mock:
self.zm.driver.get_san_context.return_value = fabric_map
self.zm.add_connection(conn_info)
self.zm.driver.get_san_context.assert_called_once_with(target_list)
add_connection_mock.assert_called_once_with(fabric_name,
init_target_map,
None,
None)
@mock.patch('oslo_config.cfg._is_opt_registered', return_value=False)
def test_add_connection_error(self, opt_mock):
self.setup_fake_driver()
with mock.patch.object(self.zm.driver, 'add_connection')\
as add_connection_mock:
add_connection_mock.side_effect = exception.FCZoneDriverException
self.assertRaises(exception.ZoneManagerException,
self.zm.add_connection, conn_info)
@mock.patch('oslo_config.cfg._is_opt_registered', return_value=False)
def test_delete_connection(self, opt_mock):
self.setup_fake_driver()
with mock.patch.object(self.zm.driver, 'delete_connection')\
as delete_connection_mock:
self.zm.driver.get_san_context.return_value = fabric_map
self.zm.delete_connection(conn_info)
self.zm.driver.get_san_context.assert_called_once_with(target_list)
delete_connection_mock.assert_called_once_with(fabric_name,
init_target_map,
None,
None)
@mock.patch('oslo_config.cfg._is_opt_registered', return_value=False)
def test_delete_connection_error(self, opt_mock):
self.setup_fake_driver()
with mock.patch.object(self.zm.driver, 'delete_connection')\
as del_connection_mock:
del_connection_mock.side_effect = exception.FCZoneDriverException
self.assertRaises(exception.ZoneManagerException,
self.zm.delete_connection, conn_info)