text: # Copyright 2014 Hewlett-Packard Development Company, L.P.
  #
  # 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
  import testtools
  import time
  
  from proliantutils import exception
  from proliantutils.hpssa import manager
  from proliantutils.hpssa import objects
  from proliantutils.tests.hpssa import raid_constants
  
  
  @mock.patch.object(objects.Server, '_get_all_details')
  class ManagerTestCases(testtools.TestCase):
  
      def _test_create_configuration_with_disk_input(self,
                                                     controller_exec_cmd_mock,
                                                     get_all_details_mock):
          ld1 = {'size_gb': 50,
                 'raid_level': '1',
                 'controller': 'Smart Array P822 in Slot 2',
                 'physical_disks': ['5I:1:1',
                                    '5I:1:2']}
          ld2 = {'size_gb': 100,
                 'raid_level': '5',
                 'controller': 'Smart Array P822 in Slot 2',
                 'physical_disks': ['5I:1:3',
                                    '5I:1:4',
                                    '6I:1:5']}
  
          raid_info = {'logical_disks': [ld1, ld2]}
  
          current_config = manager.create_configuration(raid_info)
  
          ld1_drives = '5I:1:1,5I:1:2'
          ld2_drives = '5I:1:3,5I:1:4,6I:1:5'
          controller_exec_cmd_mock.assert_any_call("create",
                                                   "type=logicaldrive",
                                                   "drives=%s" % ld2_drives,
                                                   "raid=5",
                                                   "size=%d" % (100*1024),
                                                   process_input='y')
          # Verify that we created the 50GB disk the last.
          controller_exec_cmd_mock.assert_called_with("create",
                                                      "type=logicaldrive",
                                                      "drives=%s" % ld1_drives,
                                                      "raid=1",
                                                      "size=%d" % (50*1024),
                                                      process_input='y')
  
          ld1_ret = [x for x in current_config['logical_disks']
                     if x['raid_level'] == '1'][0]
          ld2_ret = [x for x in current_config['logical_disks']
                     if x['raid_level'] == '5'][0]
  
          self.assertIsNotNone(ld1_ret['root_device_hint']['wwn'])
          self.assertIsNotNone(ld2_ret['root_device_hint']['wwn'])
          self.assertIsNotNone(ld1_ret['volume_name'])
          self.assertIsNotNone(ld2_ret['volume_name'])
  
          # Assert physical disk info
          pds_active = [x['id'] for x in current_config['physical_disks']
                        if x['status'] == 'active']
          pds_ready = [x['id'] for x in current_config['physical_disks']
                       if x['status'] == 'ready']
          pds_active_expected = ['5I:1:3', '5I:1:4', '6I:1:5',
                                 '5I:1:1', '5I:1:2']
          pds_ready_expected = ['6I:1:6', '6I:1:7']
          self.assertEqual(sorted(pds_active_expected), sorted(pds_active))
          self.assertEqual(sorted(pds_ready_expected), sorted(pds_ready))
  
      @mock.patch.object(objects.Controller, 'execute_cmd')
      def test_create_configuration_with_disk_input_create_succeeds(
              self, controller_exec_cmd_mock, get_all_details_mock):
          no_drives = raid_constants.HPSSA_NO_DRIVES
          one_drive = raid_constants.HPSSA_ONE_DRIVE_100GB_RAID_5
          two_drives = raid_constants.HPSSA_TWO_DRIVES_100GB_RAID5_50GB_RAID1
          get_all_details_mock.side_effect = [no_drives, one_drive, two_drives]
          self._test_create_configuration_with_disk_input(
              controller_exec_cmd_mock, get_all_details_mock)
  
      @mock.patch.object(objects.Controller, 'execute_cmd')
      def test_create_configuration_with_disk_input_create_fails(
              self, controller_exec_cmd_mock, get_all_details_mock):
          no_drives = raid_constants.HPSSA_NO_DRIVES
          one_drive = raid_constants.HPSSA_ONE_DRIVE_100GB_RAID_5
          get_all_details_mock.side_effect = [no_drives, one_drive, one_drive]
          ex = self.assertRaises(exception.HPSSAOperationError,
                                 self._test_create_configuration_with_disk_input,
                                 controller_exec_cmd_mock, get_all_details_mock)
          self.assertIn("raid_level '1' and size 50 GB not found", str(ex))
  
      def test_create_configuration_invalid_logical_disks(self,
                                                          get_all_details_mock):
  
          drives = raid_constants.HPSSA_NO_DRIVES
          get_all_details_mock.return_value = drives
          raid_info = {}
          self.assertRaises(exception.InvalidInputError,
                            manager.create_configuration,
                            raid_info)
  
          raid_info = {'logical_disks': 'foo'}
          self.assertRaises(exception.InvalidInputError,
                            manager.create_configuration,
                            raid_info)
  
          no_drives = raid_constants.HPSSA_NO_DRIVES
          get_all_details_mock.return_value = no_drives
          raid_info = {'logical_disks': [
                       {'size_gb': 50,
                        'raid_level': '1',
                        'controller': 'Smart Array P822 in Slot 0',
                        'physical_disks': ["6I:1:5", "6I:1:6"]}]}
          msg = ("Invalid Input: Unable to find controller named 'Smart Array "
                 "P822 in Slot 0'. The available controllers are "
                 "'Smart Array P822 in Slot 2'.")
          ex = self.assertRaises(exception.InvalidInputError,
                                 manager.create_configuration,
                                 raid_info)
          self.assertEqual(msg, str(ex))
  
      @mock.patch.object(objects.Controller, 'execute_cmd')
      def test_create_configuration_without_disk_input_succeeds(
              self, controller_exec_cmd_mock, get_all_details_mock):
          no_drives = raid_constants.HPSSA_NO_DRIVES
          one_drive = raid_constants.HPSSA_ONE_DRIVE_100GB_RAID_5
          two_drives = raid_constants.HPSSA_TWO_DRIVES_100GB_RAID5_50GB_RAID1
          get_all_details_mock.side_effect = [no_drives, one_drive, two_drives]
          raid_info = {'logical_disks': [{'size_gb': 50,
                                          'raid_level': '1'},
                                         {'size_gb': 100,
                                          'raid_level': '5'}]}
          current_config = manager.create_configuration(raid_info)
          controller_exec_cmd_mock.assert_any_call("create",
                                                   "type=logicaldrive",
                                                   mock.ANY,
                                                   "raid=5",
                                                   "size=%d" % (100*1024),
                                                   process_input='y')
          # Verify that we created the 50GB disk the last.
          controller_exec_cmd_mock.assert_called_with("create",
                                                      "type=logicaldrive",
                                                      mock.ANY,
                                                      "raid=1",
                                                      "size=%d" % (50*1024),
                                                      process_input='y')
  
          ld1_ret = [x for x in current_config['logical_disks']
                     if x['raid_level'] == '1'][0]
          ld2_ret = [x for x in current_config['logical_disks']
                     if x['raid_level'] == '5'][0]
          self.assertEqual('0x600508b1001cc42c',
                           ld2_ret['root_device_hint']['wwn'])
          self.assertEqual('0x600508b1001ce1e1',
                           ld1_ret['root_device_hint']['wwn'])
  
      @mock.patch.object(objects.Controller, 'execute_cmd')
      def test_create_configuration_without_disk_input_fails_on_disk_type(
              self, controller_exec_cmd_mock, get_all_details_mock):
          no_drives = raid_constants.HPSSA_NO_DRIVES
          one_drive = raid_constants.HPSSA_ONE_DRIVE_100GB_RAID_5
          two_drives = raid_constants.HPSSA_TWO_DRIVES_100GB_RAID5_50GB_RAID1
          get_all_details_mock.side_effect = [no_drives, one_drive, two_drives]
          raid_info = {'logical_disks': [{'size_gb': 50,
                                          'raid_level': '1',
                                          'disk_type': 'ssd'},
                                         {'size_gb': 100,
                                          'raid_level': '5',
                                          'disk_type': 'hdd'}]}
          exc = self.assertRaises(exception.PhysicalDisksNotFoundError,
                                  manager.create_configuration,
                                  raid_info)
          self.assertIn("of size 50 GB and raid level 1", str(exc))
  
      def test_create_configuration_hba_enabled(self, get_all_details_mock):
          drives = raid_constants.HPSSA_HBA_MODE
          get_all_details_mock.return_value = drives
  
          raid_info = {'logical_disks': 'foo'}
  
          msg = ("An error was encountered while doing ssa configuration: None"
                 " of the available SSA controllers Smart Array P822 in "
                 "Slot 3 have RAID enabled")
          ex = self.assertRaises(exception.HPSSAOperationError,
                                 manager.create_configuration,
                                 raid_info)
          self.assertIn(msg, str(ex))
  
      @mock.patch.object(objects.Controller, 'execute_cmd')
      def test_create_configuration_share_physical_disks(
              self, controller_exec_cmd_mock, get_all_details_mock):
          no_drives = raid_constants.HPSSA_NO_DRIVES_3_PHYSICAL_DISKS
          one_drive = raid_constants.ONE_DRIVE_RAID_1
          two_drives = raid_constants.TWO_DRIVES_50GB_RAID1
          get_all_details_mock.side_effect = [no_drives, one_drive, two_drives]
          controller_exec_cmd_mock.side_effect = [
              (None, None),
              (raid_constants.DRIVE_2_RAID_1_OKAY_TO_SHARE, None),
              (None, None)]
          raid_info = {'logical_disks': [{'size_gb': 50,
                                          'share_physical_disks': True,
                                          'number_of_physical_disks': 2,
                                          'raid_level': '0',
                                          'disk_type': 'hdd'},
                                         {'size_gb': 50,
                                          'share_physical_disks': True,
                                          'raid_level': '1',
                                          'disk_type': 'hdd'}]}
          raid_info = manager.create_configuration(raid_info)
          ld1 = raid_info['logical_disks'][0]
          ld2 = raid_info['logical_disks'][1]
          self.assertEqual('Smart Array P822 in Slot 2', ld1['controller'])
          self.assertEqual('Smart Array P822 in Slot 2', ld2['controller'])
          self.assertEqual(sorted(['5I:1:1', '5I:1:2']),
                           sorted(ld1['physical_disks']))
          self.assertEqual(sorted(['5I:1:1', '5I:1:2']),
                           sorted(ld2['physical_disks']))
          controller_exec_cmd_mock.assert_any_call(
              'create', 'type=logicaldrive', 'drives=5I:1:1,5I:1:2',
              'raid=1', 'size=51200', process_input='y')
          controller_exec_cmd_mock.assert_any_call(
              'array', 'A', 'create', 'type=logicaldrive', 'raid=0', 'size=?',
              dont_transform_to_hpssa_exception=True)
          controller_exec_cmd_mock.assert_any_call(
              'array', 'A', 'create', 'type=logicaldrive', 'raid=0',
              'size=51200', process_input='y')
  
      @mock.patch.object(objects.Controller, 'execute_cmd')
      def test_create_configuration_share_nonshare_physical_disks(
              self, controller_exec_cmd_mock, get_all_details_mock):
          no_drives = raid_constants.HPSSA_NO_DRIVES_3_PHYSICAL_DISKS
          one_drive = raid_constants.ONE_DRIVE_RAID_1
          two_drives = raid_constants.TWO_DRIVES_50GB_RAID1
          get_all_details_mock.side_effect = [no_drives, one_drive, two_drives]
          controller_exec_cmd_mock.side_effect = [
              (None, None),
              (raid_constants.DRIVE_2_RAID_1_OKAY_TO_SHARE, None),
              (None, None)]
          raid_info = {'logical_disks': [{'size_gb': 50,
                                          'raid_level': '1',
                                          'disk_type': 'hdd'},
                                         {'size_gb': 50,
                                          'share_physical_disks': True,
                                          'raid_level': '0',
                                          'disk_type': 'hdd'}]}
          raid_info = manager.create_configuration(raid_info)
          ld1 = raid_info['logical_disks'][0]
          ld2 = raid_info['logical_disks'][1]
          self.assertEqual('Smart Array P822 in Slot 2', ld1['controller'])
          self.assertEqual('Smart Array P822 in Slot 2', ld2['controller'])
          self.assertEqual(sorted(['5I:1:1', '5I:1:2']),
                           sorted(ld1['physical_disks']))
          self.assertEqual(sorted(['5I:1:1', '5I:1:2']),
                           sorted(ld2['physical_disks']))
          controller_exec_cmd_mock.assert_any_call(
              'create', 'type=logicaldrive', 'drives=5I:1:1,5I:1:2',
              'raid=1', 'size=51200', process_input='y')
          controller_exec_cmd_mock.assert_any_call(
              'create', 'type=logicaldrive', 'drives=5I:1:3', 'raid=0',
              'size=51200', process_input='y')
  
      @mock.patch.object(objects.Controller, 'execute_cmd')
      def test_create_configuration_max_as_size_gb(
              self, controller_exec_cmd_mock, get_all_details_mock):
          no_drives = raid_constants.NO_DRIVES_HPSSA_7_DISKS
          one_drive = raid_constants.ONE_DRIVE_RAID_1_50_GB
          two_drives = raid_constants.TWO_DRIVES_50GB_RAID1_MAXGB_RAID5
          get_all_details_mock.side_effect = [no_drives, one_drive, two_drives]
          raid_info = {'logical_disks': [{'size_gb': 50,
                                          'raid_level': '1',
                                          'disk_type': 'hdd'},
                                         {'size_gb': 'MAX',
                                          'raid_level': '5',
                                          'disk_type': 'hdd'}]}
          raid_info = manager.create_configuration(raid_info)
          ld1 = raid_info['logical_disks'][0]
          ld2 = raid_info['logical_disks'][1]
          self.assertEqual('Smart Array P822 in Slot 3', ld1['controller'])
          self.assertEqual('Smart Array P822 in Slot 3', ld2['controller'])
          self.assertEqual(sorted(['5I:1:1', '5I:1:2']),
                           sorted(ld1['physical_disks']))
          self.assertEqual(sorted(['5I:1:3', '5I:1:4', '6I:1:5']),
                           sorted(ld2['physical_disks']))
          controller_exec_cmd_mock.assert_any_call(
              'create', 'type=logicaldrive', 'drives=5I:1:1,5I:1:2',
              'raid=1', 'size=51200', process_input='y')
          controller_exec_cmd_mock.assert_any_call(
              'create', 'type=logicaldrive', 'drives=5I:1:3,5I:1:4,6I:1:5',
              'raid=5', process_input='y')
  
      def test__sort_shared_logical_disks(self, get_all_details_mock):
          logical_disk_sorted_expected = [
              {'size_gb': 500, 'disk_type': 'hdd', 'raid_level': '1'},
              {'share_physical_disks': True, 'size_gb': 450, 'disk_type': 'hdd',
               'number_of_physical_disks': 6, 'raid_level': '0'},
              {'share_physical_disks': True, 'size_gb': 200, 'disk_type': 'hdd',
               'raid_level': '1+0'},
              {'share_physical_disks': True, 'size_gb': 200, 'disk_type': 'hdd',
               'raid_level': '0'},
              {'share_physical_disks': True, 'size_gb': 100, 'disk_type': 'hdd',
               'raid_level': '0'}]
          logical_disks = [{'size_gb': 500,
                            'disk_type': 'hdd',
                            'raid_level': '1'},
                           {'share_physical_disks': True,
                            'size_gb': 450,
                            'disk_type': 'hdd',
                            'number_of_physical_disks': 6,
                            'raid_level': '0'},
                           {'share_physical_disks': True,
                            'size_gb': 200,
                            'disk_type': 'hdd',
                            'raid_level': '1+0'},
                           {'share_physical_disks': True,
                            'size_gb': 200,
                            'disk_type': 'hdd',
                            'raid_level': '0'},
                           {'share_physical_disks': True,
                            'size_gb': 100,
                            'disk_type': 'hdd',
                            'raid_level': '0'}]
          logical_disks_sorted = manager._sort_shared_logical_disks(
              logical_disks)
          self.assertEqual(logical_disks_sorted, logical_disk_sorted_expected)
  
      def test__sort_shared_logical_disks_raid10(self, get_all_details_mock):
          logical_disk_sorted_expected = [
              {'size_gb': 600, 'disk_type': 'hdd', 'raid_level': '1'},
              {'share_physical_disks': False, 'size_gb': 400, 'disk_type': 'hdd',
               'raid_level': '1+0'},
              {'share_physical_disks': False, 'size_gb': 100, 'disk_type': 'hdd',
               'raid_level': '5'},
              {'share_physical_disks': True, 'size_gb': 550, 'disk_type': 'hdd',
               'raid_level': '1'},
              {'share_physical_disks': True, 'size_gb': 200, 'disk_type': 'hdd',
               'raid_level': '1+0'},
              {'share_physical_disks': True, 'size_gb': 450, 'disk_type': 'hdd',
               'number_of_physical_disks': 5, 'raid_level': '0'},
              {'share_physical_disks': True, 'size_gb': 300, 'disk_type': 'hdd',
               'raid_level': '5'}]
          logical_disks = [
              {'size_gb': 600, 'disk_type': 'hdd', 'raid_level': '1'},
              {'share_physical_disks': True, 'size_gb': 550, 'disk_type': 'hdd',
               'raid_level': '1'},
              {'share_physical_disks': True, 'size_gb': 450, 'disk_type': 'hdd',
               'number_of_physical_disks': 5, 'raid_level': '0'},
              {'share_physical_disks': False, 'size_gb': 400, 'disk_type': 'hdd',
               'raid_level': '1+0'},
              {'share_physical_disks': True, 'size_gb': 300, 'disk_type': 'hdd',
               'raid_level': '5'},
              {'share_physical_disks': True, 'size_gb': 200, 'disk_type': 'hdd',
               'raid_level': '1+0'},
              {'share_physical_disks': False, 'size_gb': 100, 'disk_type': 'hdd',
               'raid_level': '5'}]
          logical_disks_sorted = manager._sort_shared_logical_disks(
              logical_disks)
          self.assertEqual(logical_disks_sorted, logical_disk_sorted_expected)
  
      @mock.patch.object(manager, 'get_configuration')
      @mock.patch.object(objects.Controller, 'execute_cmd')
      def test_delete_configuration(self, controller_exec_cmd_mock,
                                    get_configuration_mock,
                                    get_all_details_mock):
          get_all_details_mock.return_value = raid_constants.HPSSA_ONE_DRIVE
          get_configuration_mock.return_value = 'foo'
  
          ret = manager.delete_configuration()
  
          controller_exec_cmd_mock.assert_called_with(
              "logicaldrive", "all", "delete", "forced")
          get_configuration_mock.assert_called_once_with()
          self.assertEqual('foo', ret)
  
      @mock.patch.object(manager, 'get_configuration')
      @mock.patch.object(objects.Controller, 'execute_cmd')
      def test_delete_configuration_no_arrays(
              self, controller_exec_cmd_mock,
              get_configuration_mock, get_all_details_mock):
  
          get_all_details_mock.return_value = raid_constants.HPSSA_NO_DRIVES
          get_configuration_mock.return_value = 'foo'
  
          ret = manager.delete_configuration()
  
          self.assertFalse(controller_exec_cmd_mock.called)
          get_configuration_mock.assert_called_once_with()
          self.assertEqual('foo', ret)
  
      @mock.patch.object(manager, 'get_configuration')
      def test_delete_configuration_hba_enabled(self, get_configuration,
                                                get_all_details_mock):
          drives = raid_constants.HPSSA_HBA_MODE
          get_all_details_mock.return_value = drives
  
          msg = ("An error was encountered while doing ssa configuration: None"
                 " of the available SSA controllers Smart Array P822 in "
                 "Slot 3 have RAID enabled")
          ex = self.assertRaises(exception.HPSSAOperationError,
                                 manager.delete_configuration)
          self.assertIn(msg, str(ex))
  
      def test_get_configuration(self, get_all_details_mock):
  
          get_all_details_mock.return_value = raid_constants.HPSSA_ONE_DRIVE
  
          raid_info_returned = manager.get_configuration()
  
          ld1_expected = {'size_gb': 557,
                          'raid_level': '1',
                          'controller': 'Smart Array P822 in Slot 2',
                          'physical_disks': ['5I:1:1',
                                             '5I:1:2'],
                          'volume_name': '01F42227PDVTF0BRH5T0MOAB64',
                          'root_device_hint': {
                              'wwn': '0x600508b1001c321c'}}
  
          # NOTE(rameshg87: Cannot directly compare because
          # of 'physical_disks' key.
          ld1_returned = raid_info_returned['logical_disks'][0]
          self.assertEqual(ld1_expected['size_gb'],
                           ld1_returned['size_gb'])
          self.assertEqual(ld1_expected['raid_level'],
                           ld1_returned['raid_level'])
          self.assertEqual(ld1_expected['controller'],
                           ld1_returned['controller'])
          self.assertEqual(ld1_expected['volume_name'],
                           ld1_returned['volume_name'])
          self.assertEqual(ld1_expected['root_device_hint'],
                           ld1_returned['root_device_hint'])
          self.assertEqual(sorted(ld1_expected['physical_disks']),
                           sorted(ld1_returned['physical_disks']))
  
          # Assert physical disk info
          pds_active = [x['id'] for x in raid_info_returned['physical_disks']
                        if x['status'] == 'active']
          pds_ready = [x['id'] for x in raid_info_returned['physical_disks']
                       if x['status'] == 'ready']
          pds_active_expected = ['5I:1:1', '5I:1:2']
          pds_ready_expected = ['6I:1:6', '6I:1:7', '5I:1:3',
                                '5I:1:4', '6I:1:5']
          self.assertEqual(sorted(pds_active_expected), sorted(pds_active))
          self.assertEqual(sorted(pds_ready_expected), sorted(pds_ready))
  
      def test__select_controllers_by_hba(self, get_all_details_mock):
          get_all_details_mock.return_value = raid_constants.HPSSA_HBA_MODE
  
          server = objects.Server()
          select_controllers = lambda x: not x.properties.get('HBA Mode Enabled',
                                                              False)
  
          msg = ("An error was encountered while doing ssa configuration: "
                 "None of the available SSA controllers Smart Array P822 "
                 "in Slot 3 have Raid enabled.")
          ex = self.assertRaises(exception.HPSSAOperationError,
                                 manager._select_controllers_by,
                                 server, select_controllers, 'Raid enabled')
          self.assertIn(msg, str(ex))
  
      def test__select_controllers_by(self, get_all_details_mock):
          get_all_details_mock.return_value = raid_constants.HPSSA_NO_DRIVES
  
          server = objects.Server()
          select_controllers = lambda x: not x.properties.get('HBA Mode Enabled',
                                                              False)
          ctrl_expected = server.controllers
  
          manager._select_controllers_by(server, select_controllers,
                                         'Raid enabled')
          self.assertEqual(ctrl_expected, server.controllers)
  
      @mock.patch.object(time, 'sleep')
      @mock.patch.object(objects.Controller, 'execute_cmd')
      def test_erase_devices(self, controller_exec_cmd_mock,
                             sleep_mock,
                             get_all_details_mock):
          erase_drive = raid_constants.SSA_ERASE_DRIVE
          erase_complete = raid_constants.SSA_ERASE_COMPLETE
          cmd_args = []
          cmd_args.append("pd 1I:2:1")
          cmd_args.extend(['modify', 'erase',
                           'erasepattern=overwrite',
                           'unrestricted=off',
                           'forced'])
          expt_ret = {
              'Smart Array P440 in Slot 2': {
                  '1I:2:1': 'Erase Complete. Reenable Before Using.',
                  'Summary': ('Sanitize Erase performed on the disks attached to'
                              ' the controller.')}}
          get_all_details_mock.side_effect = [erase_drive, erase_complete,
                                              erase_complete]
  
          ret = manager.erase_devices()
          self.assertTrue(controller_exec_cmd_mock.called)
          controller_exec_cmd_mock.assert_any_call(*cmd_args)
          self.assertEqual(expt_ret, ret)
          self.assertFalse(sleep_mock.called)
  
      @mock.patch.object(time, 'sleep')
      @mock.patch.object(objects.Controller, 'execute_cmd')
      def test_erase_devices_in_progress(self, controller_exec_cmd_mock,
                                         sleep_mock,
                                         get_all_details_mock):
  
          erase_drive = raid_constants.SSA_ERASE_DRIVE
          erase_progress = raid_constants.SSA_ERASE_IN_PROGRESS
          erase_complete = raid_constants.SSA_ERASE_COMPLETE
  
          expt_ret = {
              'Smart Array P440 in Slot 2': {
                  '1I:2:1': 'Erase Complete. Reenable Before Using.',
                  'Summary': ('Sanitize Erase performed on the disks attached to'
                              ' the controller.')}}
          get_all_details_mock.side_effect = [erase_drive, erase_progress,
                                              erase_complete, erase_complete]
  
          ret = manager.erase_devices()
          self.assertTrue(controller_exec_cmd_mock.called)
          self.assertEqual(expt_ret, ret)
          self.assertTrue(sleep_mock.called)
  
      @mock.patch.object(time, 'sleep')
      @mock.patch.object(objects.Controller, 'execute_cmd')
      def test_erase_devices_not_supported(self, controller_exec_cmd_mock,
                                           sleep_mock,
                                           get_all_details_mock):
          erase_not_supported = raid_constants.SSA_ERASE_NOT_SUPPORTED
          erase_complete = raid_constants.SSA_ERASE_COMPLETE_NOT_SUPPORTED
          erase_progress = raid_constants.SSA_ERASE_IN_PROGRESS_NOT_SUPPORTED
          get_all_details_mock.side_effect = [erase_not_supported,
                                              erase_progress,
                                              erase_complete, erase_complete]
          value = ("Drive 1I:2:1: This operation is not supported in this "
                   "physical drive")
          controller_exec_cmd_mock.return_value = value
          expt_ret = {
              'Smart Array P440 in Slot 2': {
                  '1I:2:1': 'Erase Complete. Reenable Before Using.',
                  'Summary': ('Drives overwritten with zeros because '
                              'sanitize erase is not supported on the '
                              'controller.')
                  }}
  
          ret = manager.erase_devices()
          self.assertEqual(expt_ret, ret)
          self.assertTrue(controller_exec_cmd_mock.called)
          self.assertTrue(sleep_mock.called)
  
  
  class RaidConfigValidationTestCases(testtools.TestCase):
  
      def test_validate_fails_min_disks_number(self):
          raid_config = {'logical_disks':
                         [{'size_gb': 100,
                           'raid_level': '5',
                           'number_of_physical_disks': 2}]}
          msg = "RAID level 5 requires at least 3 disks"
          self.assertRaisesRegex(exception.InvalidInputError, msg,
                                 manager.validate, raid_config)
  
      def test_validate_fails_min_physical_disks(self):
          raid_config = {'logical_disks':
                         [{'size_gb': 100, 'raid_level': '5',
                           'physical_disks': ['foo']}]}
          msg = "RAID level 5 requires at least 3 disks"
          self.assertRaisesRegex(exception.InvalidInputError, msg,
                                 manager.validate, raid_config)
  