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# Copyright 2018 Red Hat, Inc.
# All Rights Reserved.
#
# 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.
from unittest import mock
from os_brick.initiator import utils
from os_brick.tests import base
class InitiatorUtilsTestCase(base.TestCase):
@mock.patch('os.name', 'nt')
def test_check_manual_scan_windows(self):
self.assertFalse(utils.check_manual_scan())
@mock.patch('os.name', 'posix')
@mock.patch('oslo_concurrency.processutils.execute')
def test_check_manual_scan_supported(self, mock_exec):
self.assertTrue(utils.check_manual_scan())
mock_exec.assert_called_once_with('grep', '-F', 'node.session.scan',
'/sbin/iscsiadm')
@mock.patch('os.name', 'posix')
@mock.patch('oslo_concurrency.processutils.execute',
side_effect=utils.putils.ProcessExecutionError)
def test_check_manual_scan_not_supported(self, mock_exec):
self.assertFalse(utils.check_manual_scan())
mock_exec.assert_called_once_with('grep', '-F', 'node.session.scan',
'/sbin/iscsiadm')
@mock.patch('oslo_concurrency.lockutils.lock')
def test_guard_connection_manual_scan_support(self, mock_lock):
utils.ISCSI_SUPPORTS_MANUAL_SCAN = True
# We confirm that shared_targets is ignored
with utils.guard_connection({'shared_targets': True}):
mock_lock.assert_not_called()
@mock.patch('oslo_concurrency.lockutils.lock')
def test_guard_connection_manual_scan_support_forced(self, mock_lock):
"""Guard locks when cinder forces locking."""
utils.ISCSI_SUPPORTS_MANUAL_SCAN = True
# We confirm that shared_targets is ignored
with utils.guard_connection({'service_uuid': mock.sentinel.uuid,
'shared_targets': None}):
mock_lock.assert_called_once_with(mock.sentinel.uuid, 'os-brick-',
external=True)
@mock.patch('oslo_concurrency.lockutils.lock')
def test_guard_connection_manual_scan_unsupported_not_shared(self,
mock_lock):
utils.ISCSI_SUPPORTS_MANUAL_SCAN = False
with utils.guard_connection({'shared_targets': False}):
mock_lock.assert_not_called()
@mock.patch('oslo_concurrency.lockutils.lock')
def test_guard_connection_manual_scan_unsupported_shared(self, mock_lock):
utils.ISCSI_SUPPORTS_MANUAL_SCAN = False
with utils.guard_connection({'service_uuid': mock.sentinel.uuid,
'shared_targets': True}):
mock_lock.assert_called_once_with(mock.sentinel.uuid, 'os-brick-',
external=True)
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