45b07177e9
Until recently, os-win did not have any functional tests. As we're now starting to add such tests, we need to clearly separate unit tests. Note that most OpenStack projects have already done this separation. This change moves the unit tests to a separate folder. Change-Id: I1649fae7095f9b4024e526358ac70a58189365bf
173 lines
6.7 KiB
Python
173 lines
6.7 KiB
Python
# Copyright 2016 Cloudbase Solutions Srl
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import ddt
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import mock
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from os_win import exceptions
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from os_win.tests.unit import test_base
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from os_win.utils.storage import diskutils
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@ddt.ddt
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class DiskUtilsTestCase(test_base.OsWinBaseTestCase):
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def setUp(self):
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super(DiskUtilsTestCase, self).setUp()
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self._diskutils = diskutils.DiskUtils()
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self._diskutils._conn_storage = mock.MagicMock()
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self._diskutils._win32_utils = mock.MagicMock()
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self._mock_run = self._diskutils._win32_utils.run_and_check_output
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def test_get_disk(self):
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mock_msft_disk_cls = self._diskutils._conn_storage.Msft_Disk
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mock_disk = mock_msft_disk_cls.return_value[0]
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resulted_disk = self._diskutils._get_disk(mock.sentinel.disk_number)
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mock_msft_disk_cls.assert_called_once_with(
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Number=mock.sentinel.disk_number)
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self.assertEqual(mock_disk, resulted_disk)
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def test_get_unexisting_disk(self):
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mock_msft_disk_cls = self._diskutils._conn_storage.Msft_Disk
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mock_msft_disk_cls.return_value = []
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self.assertRaises(exceptions.DiskNotFound,
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self._diskutils._get_disk,
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mock.sentinel.disk_number)
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mock_msft_disk_cls.assert_called_once_with(
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Number=mock.sentinel.disk_number)
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@mock.patch.object(diskutils.DiskUtils, '_get_disk')
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def test_get_disk_uid_and_uid_type(self, mock_get_disk):
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mock_disk = mock_get_disk.return_value
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uid, uid_type = self._diskutils.get_disk_uid_and_uid_type(
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mock.sentinel.disk_number)
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mock_get_disk.assert_called_once_with(mock.sentinel.disk_number)
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self.assertEqual(mock_disk.UniqueId, uid)
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self.assertEqual(mock_disk.UniqueIdFormat, uid_type)
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def test_get_disk_uid_and_uid_type_not_found(self):
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mock_msft_disk_cls = self._diskutils._conn_storage.Msft_Disk
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mock_msft_disk_cls.return_value = []
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self.assertRaises(exceptions.DiskNotFound,
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self._diskutils.get_disk_uid_and_uid_type,
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mock.sentinel.disk_number)
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@mock.patch.object(diskutils.DiskUtils, '_get_disk')
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def test_refresh_disk(self, mock_get_disk):
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mock_disk = mock_get_disk.return_value
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self._diskutils.refresh_disk(mock.sentinel.disk_number)
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mock_get_disk.assert_called_once_with(mock.sentinel.disk_number)
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mock_disk.Refresh.assert_called_once_with()
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def test_get_dev_number_from_dev_name(self):
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fake_physical_device_name = r'\\.\PhysicalDrive15'
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expected_device_number = '15'
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get_dev_number = self._diskutils.get_device_number_from_device_name
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resulted_dev_number = get_dev_number(fake_physical_device_name)
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self.assertEqual(expected_device_number, resulted_dev_number)
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def test_get_device_number_from_invalid_device_name(self):
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fake_physical_device_name = ''
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self.assertRaises(exceptions.DiskNotFound,
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self._diskutils.get_device_number_from_device_name,
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fake_physical_device_name)
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def _get_mocked_wmi_rescan(self, return_value):
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conn = self._diskutils._conn_storage
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rescan_method = conn.Msft_StorageSetting.UpdateHostStorageCache
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rescan_method.return_value = return_value
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return rescan_method
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@ddt.data(0, [0], (0,))
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@mock.patch('time.sleep')
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def test_rescan_disks(self, return_value, mock_sleep):
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mock_rescan = self._get_mocked_wmi_rescan(return_value)
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self._diskutils.rescan_disks()
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mock_rescan.assert_called_once_with()
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@mock.patch('time.sleep')
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def test_rescan_disks_error(self, mock_sleep):
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mock_rescan = self._get_mocked_wmi_rescan(return_value=1)
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expected_retry_count = 5
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self.assertRaises(exceptions.OSWinException,
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self._diskutils.rescan_disks)
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mock_rescan.assert_has_calls([mock.call()] * expected_retry_count)
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@mock.patch.object(diskutils, 'ctypes')
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@mock.patch.object(diskutils, 'kernel32', create=True)
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@mock.patch('os.path.abspath')
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def _test_get_disk_capacity(self, mock_abspath,
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mock_kernel32, mock_ctypes,
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raised_exc=None, ignore_errors=False):
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expected_values = ('total_bytes', 'free_bytes')
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mock_params = [mock.Mock(value=value) for value in expected_values]
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mock_ctypes.c_ulonglong.side_effect = mock_params
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mock_ctypes.c_wchar_p = lambda x: (x, 'c_wchar_p')
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self._mock_run.side_effect = raised_exc(
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func_name='fake_func_name',
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error_code='fake_error_code',
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error_message='fake_error_message') if raised_exc else None
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if raised_exc and not ignore_errors:
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self.assertRaises(raised_exc,
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self._diskutils.get_disk_capacity,
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mock.sentinel.disk_path,
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ignore_errors=ignore_errors)
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else:
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ret_val = self._diskutils.get_disk_capacity(
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mock.sentinel.disk_path,
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ignore_errors=ignore_errors)
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expected_ret_val = (0, 0) if raised_exc else expected_values
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self.assertEqual(expected_ret_val, ret_val)
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mock_abspath.assert_called_once_with(mock.sentinel.disk_path)
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mock_ctypes.pointer.assert_has_calls(
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[mock.call(param) for param in mock_params])
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self._mock_run.assert_called_once_with(
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mock_kernel32.GetDiskFreeSpaceExW,
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mock_ctypes.c_wchar_p(mock_abspath.return_value),
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None,
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mock_ctypes.pointer.return_value,
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mock_ctypes.pointer.return_value,
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kernel32_lib_func=True)
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def test_get_disk_capacity_successfully(self):
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self._test_get_disk_capacity()
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def test_get_disk_capacity_ignored_error(self):
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self._test_get_disk_capacity(
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raised_exc=exceptions.Win32Exception,
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ignore_errors=True)
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def test_get_disk_capacity_raised_exc(self):
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self._test_get_disk_capacity(
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raised_exc=exceptions.Win32Exception)
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