/usr/lib/python3/dist-packages/os_win/tests/utils/storage/initiator/test_base_iscsi_utils.py is in python3-os-win 1.2.0-2.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 | # Copyright 2014 Cloudbase Solutions Srl
#
# 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_win.tests import test_base
from os_win.utils.storage.initiator import base_iscsi_utils
class BaseISCSIInitiatorUtilsTestCase(test_base.OsWinBaseTestCase):
"""Unit tests for the Hyper-V BaseISCSIInitiatorUtils class."""
_FAKE_COMPUTER_NAME = "fake_computer_name"
_FAKE_DOMAIN_NAME = "fake_domain_name"
_FAKE_INITIATOR_NAME = "fake_initiator_name"
_FAKE_INITIATOR_IQN_NAME = "iqn.1991-05.com.microsoft:fake_computer_name"
_FAKE_DISK_PATH = 'fake_path DeviceID="123\\\\2"'
_FAKE_MOUNT_DEVICE = '/dev/fake/mount'
_FAKE_DEVICE_NAME = '/dev/fake/path'
_FAKE_SWAP = {'device_name': _FAKE_DISK_PATH}
def setUp(self):
self._utils = base_iscsi_utils.BaseISCSIInitiatorUtils()
self._utils._conn_wmi = mock.MagicMock()
self._utils._conn_cimv2 = mock.MagicMock()
super(BaseISCSIInitiatorUtilsTestCase, self).setUp()
def test_get_iscsi_initiator_ok(self):
self._check_get_iscsi_initiator(
self._FAKE_INITIATOR_NAME)
def test_get_iscsi_initiator_exception(self):
initiator_name = "%(iqn)s.%(domain)s" % {
'iqn': self._FAKE_INITIATOR_IQN_NAME,
'domain': self._FAKE_DOMAIN_NAME
}
self._check_get_iscsi_initiator(initiator_name,
side_effect=Exception)
def _check_get_iscsi_initiator(self, expected=None, side_effect=None):
mock_computer = mock.MagicMock()
mock_computer.name = self._FAKE_COMPUTER_NAME
mock_computer.Domain = self._FAKE_DOMAIN_NAME
self._utils._conn_cimv2.Win32_ComputerSystem.return_value = [
mock_computer]
expected_key_path = (
"SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\"
"iSCSI\\Discovery")
with mock.patch.object(base_iscsi_utils,
'winreg', create=True) as mock_winreg:
mock_winreg.CloseKey.side_effect = side_effect
mock_winreg.QueryValueEx.return_value = [expected]
mock_winreg.OpenKey.return_value = mock.sentinel.key
initiator_name = self._utils.get_iscsi_initiator()
self.assertEqual(expected, initiator_name)
mock_winreg.OpenKey.assert_called_once_with(
mock_winreg.HKEY_LOCAL_MACHINE,
expected_key_path,
0,
mock_winreg.KEY_WOW64_64KEY + mock_winreg.KEY_ALL_ACCESS)
mock_winreg.QueryValueEx.assert_called_once_with(
mock.sentinel.key, "DefaultInitiatorName")
mock_winreg.CloseKey.assert_called_once_with(mock.sentinel.key)
def test_get_drive_number_from_disk_path(self):
fake_disk_path = (
'\\\\WIN-I5BTVHOIFGK\\root\\virtualization\\v2:Msvm_DiskDrive.'
'CreationClassName="Msvm_DiskDrive",DeviceID="Microsoft:353B3BE8-'
'310C-4cf4-839E-4E1B14616136\\\\1",SystemCreationClassName='
'"Msvm_ComputerSystem",SystemName="WIN-I5BTVHOIFGK"')
expected_disk_number = 1
ret_val = self._utils._get_drive_number_from_disk_path(
fake_disk_path)
self.assertEqual(expected_disk_number, ret_val)
def test_get_drive_number_not_found(self):
fake_disk_path = 'fake_disk_path'
ret_val = self._utils._get_drive_number_from_disk_path(
fake_disk_path)
self.assertFalse(ret_val)
@mock.patch.object(base_iscsi_utils.BaseISCSIInitiatorUtils,
"_get_drive_number_from_disk_path")
def test_get_session_id_from_mounted_disk(self, mock_get_session_id):
mock_get_session_id.return_value = mock.sentinel.FAKE_DEVICE_NUMBER
mock_initiator_session = self._create_initiator_session()
mock_ses_class = self._utils._conn_wmi.MSiSCSIInitiator_SessionClass
mock_ses_class.return_value = [mock_initiator_session]
session_id = self._utils.get_session_id_from_mounted_disk(
self._FAKE_DISK_PATH)
self.assertEqual(mock.sentinel.FAKE_SESSION_ID, session_id)
def test_get_devices_for_target(self):
init_session = self._create_initiator_session()
mock_ses_class = self._utils._conn_wmi.MSiSCSIInitiator_SessionClass
mock_ses_class.return_value = [init_session]
devices = self._utils._get_devices_for_target(
mock.sentinel.FAKE_IQN)
self.assertEqual(init_session.Devices, devices)
def test_get_devices_for_target_not_found(self):
mock_ses_class = self._utils._conn_wmi.MSiSCSIInitiator_SessionClass
mock_ses_class.return_value = []
devices = self._utils._get_devices_for_target(mock.sentinel.FAKE_IQN)
self.assertEqual(0, len(devices))
@mock.patch.object(base_iscsi_utils.BaseISCSIInitiatorUtils,
'_get_devices_for_target')
def test_get_device_number_for_target(self, fake_get_devices):
init_session = self._create_initiator_session()
fake_get_devices.return_value = init_session.Devices
mock_ses_class = self._utils._conn_wmi.MSiSCSIInitiator_SessionClass
mock_ses_class.return_value = [init_session]
device_number = self._utils.get_device_number_for_target(
mock.sentinel.FAKE_IQN, mock.sentinel.FAKE_LUN)
self.assertEqual(mock.sentinel.FAKE_DEVICE_NUMBER, device_number)
@mock.patch.object(base_iscsi_utils.BaseISCSIInitiatorUtils,
'_get_devices_for_target')
def test_get_target_lun_count(self, fake_get_devices):
init_session = self._create_initiator_session()
# Only disk devices are being counted.
disk_device = mock.Mock(DeviceType=self._utils._FILE_DEVICE_DISK)
init_session.Devices.append(disk_device)
fake_get_devices.return_value = init_session.Devices
lun_count = self._utils.get_target_lun_count(mock.sentinel.FAKE_IQN)
self.assertEqual(1, lun_count)
@mock.patch.object(base_iscsi_utils.BaseISCSIInitiatorUtils,
"_get_drive_number_from_disk_path")
def test_get_target_from_disk_path(self, mock_get_session_id):
mock_get_session_id.return_value = mock.sentinel.FAKE_DEVICE_NUMBER
init_sess = self._create_initiator_session()
mock_ses_class = self._utils._conn_wmi.MSiSCSIInitiator_SessionClass
mock_ses_class.return_value = [init_sess]
(target_name, scsi_lun) = self._utils.get_target_from_disk_path(
self._FAKE_DISK_PATH)
self.assertEqual(mock.sentinel.FAKE_TARGET_NAME, target_name)
self.assertEqual(mock.sentinel.FAKE_LUN, scsi_lun)
def _create_initiator_session(self):
device = mock.MagicMock()
device.ScsiLun = mock.sentinel.FAKE_LUN
device.DeviceNumber = mock.sentinel.FAKE_DEVICE_NUMBER
device.TargetName = mock.sentinel.FAKE_TARGET_NAME
init_session = mock.MagicMock()
init_session.Devices = [device]
init_session.SessionId = mock.sentinel.FAKE_SESSION_ID
return init_session
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