91 lines
3.6 KiB
Python
91 lines
3.6 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
|
|
|
|
# Copyright 2013 Cloudbase Solutions Srl
|
|
#
|
|
# 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 nova import test
|
|
|
|
from nova.virt.hyperv import constants
|
|
from nova.virt.hyperv import vhdutils
|
|
from nova.virt.hyperv import vmutils
|
|
|
|
|
|
class VHDUtilsTestCase(test.NoDBTestCase):
|
|
"""Unit tests for the Hyper-V VHDUtils class."""
|
|
|
|
_FAKE_VHD_PATH = "C:\\fake_path.vhdx"
|
|
_FAKE_FORMAT = 3
|
|
_FAKE_MAK_INTERNAL_SIZE = 1000
|
|
_FAKE_JOB_PATH = 'fake_job_path'
|
|
_FAKE_RET_VAL = 0
|
|
|
|
def setUp(self):
|
|
self._vhdutils = vhdutils.VHDUtils()
|
|
self._vhdutils._conn = mock.MagicMock()
|
|
self._vhdutils._vmutils = mock.MagicMock()
|
|
super(VHDUtilsTestCase, self).setUp()
|
|
|
|
def test_create_dynamic_vhd(self):
|
|
self._vhdutils.get_vhd_info = mock.MagicMock(
|
|
return_value={'Format': self._FAKE_FORMAT})
|
|
|
|
mock_img_svc = self._vhdutils._conn.Msvm_ImageManagementService()[0]
|
|
mock_img_svc.CreateDynamicVirtualHardDisk.return_value = (
|
|
self._FAKE_JOB_PATH, self._FAKE_RET_VAL)
|
|
|
|
self._vhdutils.create_dynamic_vhd(self._FAKE_VHD_PATH,
|
|
self._FAKE_MAK_INTERNAL_SIZE,
|
|
constants.DISK_FORMAT_VHD)
|
|
|
|
mock_img_svc.CreateDynamicVirtualHardDisk.assert_called_once_with(
|
|
Path=self._FAKE_VHD_PATH,
|
|
MaxInternalSize=self._FAKE_MAK_INTERNAL_SIZE)
|
|
|
|
def test_get_internal_vhd_size_by_file_size_fixed(self):
|
|
vhdutil = vhdutils.VHDUtils()
|
|
root_vhd_size = 1 * 1024 ** 3
|
|
vhdutil.get_vhd_info = mock.MagicMock()
|
|
vhdutil.get_vhd_info.return_value = {'Type': constants.VHD_TYPE_FIXED}
|
|
|
|
real_size = vhdutil._get_internal_vhd_size_by_file_size(None,
|
|
root_vhd_size)
|
|
expected_vhd_size = 1 * 1024 ** 3 - 512
|
|
self.assertEqual(expected_vhd_size, real_size)
|
|
|
|
def test_get_internal_vhd_size_by_file_size_dynamic(self):
|
|
vhdutil = vhdutils.VHDUtils()
|
|
root_vhd_size = 20 * 1024 ** 3
|
|
vhdutil.get_vhd_info = mock.MagicMock()
|
|
vhdutil.get_vhd_info.return_value = {'Type':
|
|
constants.VHD_TYPE_DYNAMIC}
|
|
vhdutil._get_vhd_dynamic_blk_size = mock.MagicMock()
|
|
vhdutil._get_vhd_dynamic_blk_size.return_value = 2097152
|
|
|
|
real_size = vhdutil._get_internal_vhd_size_by_file_size(None,
|
|
root_vhd_size)
|
|
expected_vhd_size = 20 * 1024 ** 3 - 43008
|
|
self.assertEqual(expected_vhd_size, real_size)
|
|
|
|
def test_get_internal_vhd_size_by_file_size_unsupported(self):
|
|
vhdutil = vhdutils.VHDUtils()
|
|
root_vhd_size = 20 * 1024 ** 3
|
|
vhdutil.get_vhd_info = mock.MagicMock()
|
|
vhdutil.get_vhd_info.return_value = {'Type': 5}
|
|
|
|
self.assertRaises(vmutils.HyperVException,
|
|
vhdutil._get_internal_vhd_size_by_file_size,
|
|
None, root_vhd_size)
|