text: # 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.
  
  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_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_hared(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-')
  