121 lines
4.2 KiB
Python
121 lines
4.2 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright 2013 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 mock
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from nova import test
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from nova.virt.hyperv import vmutils
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class VMUtilsTestCase(test.NoDBTestCase):
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"""Unit tests for the Hyper-V VMUtils class."""
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_FAKE_VM_NAME = 'fake_vm'
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_FAKE_MEMORY_MB = 2
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_FAKE_VM_PATH = "fake_vm_path"
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_FAKE_VHD_PATH = "fake_vhd_path"
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_FAKE_DVD_PATH = "fake_dvd_path"
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_FAKE_VOLUME_DRIVE_PATH = "fake_volume_drive_path"
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def setUp(self):
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self._vmutils = vmutils.VMUtils()
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self._vmutils._conn = mock.MagicMock()
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super(VMUtilsTestCase, self).setUp()
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def test_enable_vm_metrics_collection(self):
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self.assertRaises(NotImplementedError,
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self._vmutils.enable_vm_metrics_collection,
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self._FAKE_VM_NAME)
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def _lookup_vm(self):
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mock_vm = mock.MagicMock()
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self._vmutils._lookup_vm_check = mock.MagicMock(
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return_value=mock_vm)
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mock_vm.path_.return_value = self._FAKE_VM_PATH
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return mock_vm
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def test_set_vm_memory_static(self):
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self._test_set_vm_memory_dynamic(1.0)
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def test_set_vm_memory_dynamic(self):
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self._test_set_vm_memory_dynamic(2.0)
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def _test_set_vm_memory_dynamic(self, dynamic_memory_ratio):
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mock_vm = self._lookup_vm()
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mock_s = self._vmutils._conn.Msvm_VirtualSystemSettingData()[0]
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mock_s.SystemType = 3
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mock_vmsetting = mock.MagicMock()
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mock_vmsetting.associators.return_value = [mock_s]
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self._vmutils._modify_virt_resource = mock.MagicMock()
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self._vmutils._set_vm_memory(mock_vm, mock_vmsetting,
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self._FAKE_MEMORY_MB,
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dynamic_memory_ratio)
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self._vmutils._modify_virt_resource.assert_called_with(
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mock_s, self._FAKE_VM_PATH)
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if dynamic_memory_ratio > 1:
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self.assertTrue(mock_s.DynamicMemoryEnabled)
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else:
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self.assertFalse(mock_s.DynamicMemoryEnabled)
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@mock.patch('nova.virt.hyperv.vmutils.VMUtils._get_vm_disks')
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def test_get_vm_storage_paths(self, mock_get_vm_disks):
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self._lookup_vm()
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mock_rasds = self._create_mock_disks()
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mock_get_vm_disks.return_value = ([mock_rasds[0]], [mock_rasds[1]])
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storage = self._vmutils.get_vm_storage_paths(self._FAKE_VM_NAME)
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(disk_files, volume_drives) = storage
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self.assertEqual([self._FAKE_VHD_PATH], disk_files)
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self.assertEqual([self._FAKE_VOLUME_DRIVE_PATH], volume_drives)
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def test_get_vm_disks(self):
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mock_vm = self._lookup_vm()
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mock_vmsettings = [mock.MagicMock()]
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mock_vm.associators.return_value = mock_vmsettings
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mock_rasds = self._create_mock_disks()
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mock_vmsettings[0].associators.return_value = mock_rasds
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(disks, volumes) = self._vmutils._get_vm_disks(mock_vm)
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mock_vm.associators.assert_called_with(
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wmi_result_class=self._vmutils._VIRTUAL_SYSTEM_SETTING_DATA_CLASS)
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mock_vmsettings[0].associators.assert_called_with(
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wmi_result_class=self._vmutils._STORAGE_ALLOC_SETTING_DATA_CLASS)
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self.assertEqual([mock_rasds[0]], disks)
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self.assertEqual([mock_rasds[1]], volumes)
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def _create_mock_disks(self):
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mock_rasd1 = mock.MagicMock()
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mock_rasd1.ResourceSubType = self._vmutils._IDE_DISK_RES_SUB_TYPE
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mock_rasd1.Connection = [self._FAKE_VHD_PATH]
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mock_rasd2 = mock.MagicMock()
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mock_rasd2.ResourceSubType = self._vmutils._PHYS_DISK_RES_SUB_TYPE
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mock_rasd2.HostResource = [self._FAKE_VOLUME_DRIVE_PATH]
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return [mock_rasd1, mock_rasd2]
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