148855f74e
Since PyMI requires the MI API, available only since Windows 8 / Windows Server 2012 or as an addon on some previous versions, we need to ensure that we fall back to the legacy WMI module if PyMI cannot be loaded. Partially-Implements: blueprint json-network-config Change-Id: Ibded4cee3d3d7dc39e53bca12e015c9ef83c7f3d
68 lines
2.4 KiB
Python
68 lines
2.4 KiB
Python
# Copyright 2018 Cloudbase Solutions Srl
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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 importlib
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import os
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import unittest
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try:
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import unittest.mock as mock
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except ImportError:
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import mock
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from cloudbaseinit import exception
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MODPATH = "cloudbaseinit.utils.windows.wmi_loader"
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class WMILoaderTests(unittest.TestCase):
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def test_load_pymi(self):
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with mock.patch.dict('sys.modules', {'wmi': mock.sentinel.wmi}):
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wmi_loader = importlib.import_module(MODPATH)
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self.assertEqual(mock.sentinel.wmi, wmi_loader.wmi())
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@mock.patch('imp.load_source')
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@mock.patch('os.path.isfile')
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def test_load_legacy_wmi(self, mock_isfile, mock_load_source):
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mock_isfile.return_value = True
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mock_site = mock.MagicMock()
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fake_site_path = "fake_site_path"
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mock_site.getsitepackages.return_value = [fake_site_path]
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mock_load_source.return_value = mock.sentinel.wmi
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with mock.patch.dict('sys.modules', {'wmi': None, 'site': mock_site}):
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wmi_loader = importlib.import_module(MODPATH)
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self.assertEqual(mock.sentinel.wmi, wmi_loader.wmi())
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fake_wmi_path = os.path.join(fake_site_path, "wmi.py")
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mock_isfile.assert_called_once_with(fake_wmi_path)
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mock_load_source.assert_called_once_with("wmi", fake_wmi_path)
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@mock.patch('os.path.isfile')
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def test_load_legacy_wmi_fail(self, mock_isfile):
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mock_isfile.return_value = False
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mock_site = mock.MagicMock()
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fake_site_path = "fake_site_path"
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mock_site.getsitepackages.return_value = [fake_site_path]
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with mock.patch.dict('sys.modules', {'wmi': None, 'site': mock_site}):
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wmi_loader = importlib.import_module(MODPATH)
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self.assertRaises(
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exception.ItemNotFoundException, wmi_loader.wmi)
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fake_wmi_path = os.path.join(fake_site_path, "wmi.py")
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mock_isfile.assert_called_once_with(fake_wmi_path)
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