146 lines
5.7 KiB
Python
146 lines
5.7 KiB
Python
# Copyright 2015 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 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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from cloudbaseinit.tests import testutils
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from cloudbaseinit.utils.windows import vfat
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CONF = vfat.CONF
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class TestVfat(unittest.TestCase):
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def _test_is_vfat_drive(self, execute_process_value,
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expected_logging,
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expected_response):
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mock_osutils = mock.Mock()
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mock_osutils.execute_process.return_value = execute_process_value
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with testutils.LogSnatcher('cloudbaseinit.utils.windows.'
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'vfat') as snatcher:
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with testutils.ConfPatcher('mtools_path', 'mtools_path'):
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response = vfat.is_vfat_drive(mock_osutils,
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mock.sentinel.drive)
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mdir = os.path.join(CONF.mtools_path, "mlabel.exe")
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mock_osutils.execute_process.assert_called_once_with(
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[mdir, "-i", mock.sentinel.drive, "-s"],
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shell=False)
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self.assertEqual(expected_logging, snatcher.output)
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self.assertEqual(expected_response, response)
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def test_is_vfat_drive_fails(self):
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test_stderr = b"test stderr"
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expected_logging = [
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"Could not retrieve label for VFAT drive path %r"
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% (mock.sentinel.drive),
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"mlabel failed with error %r" % test_stderr,
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]
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execute_process_value = (None, test_stderr, 1)
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expected_response = False
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self._test_is_vfat_drive(execute_process_value=execute_process_value,
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expected_logging=expected_logging,
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expected_response=expected_response)
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def test_is_vfat_drive_different_label(self):
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mock_out = b"Volume label is config"
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expected_logging = [
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"Obtained label information for drive %r: %r"
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% (mock.sentinel.drive, mock_out)
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]
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execute_process_value = (mock_out, None, 0)
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expected_response = False
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self._test_is_vfat_drive(execute_process_value=execute_process_value,
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expected_logging=expected_logging,
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expected_response=expected_response)
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def test_is_vfat_drive_works(self):
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mock_out = b"Volume label is config-2 \r\n"
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expected_logging = [
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"Obtained label information for drive %r: %r"
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% (mock.sentinel.drive, mock_out)
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]
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execute_process_value = (mock_out, None, 0)
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expected_response = True
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self._test_is_vfat_drive(execute_process_value=execute_process_value,
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expected_logging=expected_logging,
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expected_response=expected_response)
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def test_is_vfat_drive_works_uppercase(self):
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mock_out = b"Volume label is CONFIG-2 \r\n"
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expected_logging = [
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"Obtained label information for drive %r: %r"
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% (mock.sentinel.drive, mock_out)
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]
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execute_process_value = (mock_out, None, 0)
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expected_response = True
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self._test_is_vfat_drive(execute_process_value=execute_process_value,
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expected_logging=expected_logging,
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expected_response=expected_response)
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@testutils.ConfPatcher('mtools_path', 'mtools_path')
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@mock.patch('os.chdir')
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def test_copy(self, mock_os_chdir):
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cwd = os.getcwd()
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mock_osutils = mock.Mock()
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vfat.copy_from_vfat_drive(mock_osutils,
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mock.sentinel.drive,
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mock.sentinel.target_path)
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mock_os_chdir_calls = [
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mock.call(mock.sentinel.target_path),
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mock.call(cwd),
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]
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self.assertEqual(mock_os_chdir_calls, mock_os_chdir.mock_calls)
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self.assertEqual(os.getcwd(), cwd)
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mcopy = os.path.join(CONF.mtools_path, "mcopy.exe")
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mock_osutils.execute_process.assert_called_once_with(
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[mcopy, "-s", "-n", "-i", mock.sentinel.drive, "::/", "."],
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shell=False)
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def test_is_vfat_drive_mtools_not_given(self):
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with self.assertRaises(exception.CloudbaseInitException) as cm:
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vfat.is_vfat_drive(mock.sentinel.osutils,
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mock.sentinel.target_path)
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expected_message = ('"mtools_path" needs to be provided in order '
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'to access VFAT drives')
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self.assertEqual(expected_message, str(cm.exception.args[0]))
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def test_copy_from_vfat_drive_mtools_not_given(self):
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with self.assertRaises(exception.CloudbaseInitException) as cm:
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vfat.copy_from_vfat_drive(mock.sentinel.osutils,
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mock.sentinel.drive_path,
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mock.sentinel.target_path)
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expected_message = ('"mtools_path" needs to be provided in order '
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'to access VFAT drives')
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self.assertEqual(expected_message, str(cm.exception.args[0]))
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