2014-09-08 21:13:12 +03:00

258 lines
12 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
import unittest
from oslo.config import cfg
from cloudbaseinit.metadata.services import base as metadata_services_base
from cloudbaseinit.plugins import base
from cloudbaseinit.plugins.windows import userdata
from cloudbaseinit.tests.metadata import fake_json_response
CONF = cfg.CONF
class UserDataPluginTest(unittest.TestCase):
def setUp(self):
self._userdata = userdata.UserDataPlugin()
self.fake_data = fake_json_response.get_fake_metadata_json(
'2013-04-04')
@mock.patch('cloudbaseinit.plugins.windows.userdata.UserDataPlugin'
'._process_user_data')
@mock.patch('cloudbaseinit.plugins.windows.userdata.UserDataPlugin'
'._check_gzip_compression')
def _test_execute(self, mock_check_gzip_compression,
mock_process_user_data, ret_val):
mock_service = mock.MagicMock()
mock_service.get_user_data.side_effect = [ret_val]
response = self._userdata.execute(service=mock_service,
shared_data=None)
mock_service.get_user_data.assert_called_once_with()
if ret_val is metadata_services_base.NotExistingMetadataException:
self.assertEqual(response, (base.PLUGIN_EXECUTION_DONE, False))
elif ret_val is None:
self.assertEqual(response, (base.PLUGIN_EXECUTION_DONE, False))
else:
mock_check_gzip_compression.assert_called_once_with(ret_val)
mock_process_user_data.assert_called_once_with(
mock_check_gzip_compression.return_value)
self.assertEqual(response, mock_process_user_data.return_value)
def test_execute(self):
self._test_execute(ret_val=mock.sentinel.fake_data)
def test_execute_no_data(self):
self._test_execute(ret_val=None)
def test_execute_NotExistingMetadataException(self):
self._test_execute(
ret_val=metadata_services_base.NotExistingMetadataException)
def test_execute_not_user_data(self):
self._test_execute(ret_val=None)
@mock.patch('io.BytesIO')
@mock.patch('gzip.GzipFile')
def test_check_gzip_compression(self, mock_GzipFile, mock_BytesIO):
fake_userdata = b'\x1f\x8b'
fake_userdata += self._userdata._GZIP_MAGIC_NUMBER
response = self._userdata._check_gzip_compression(fake_userdata)
mock_BytesIO.assert_called_once_with(fake_userdata)
mock_GzipFile.assert_called_once_with(
fileobj=mock_BytesIO.return_value, mode='rb')
data = mock_GzipFile().__enter__().read.return_value
self.assertEqual(data, response)
@mock.patch('email.message_from_string')
def test_parse_mime(self, mock_message_from_string):
fake_user_data = 'fake data'
response = self._userdata._parse_mime(user_data=fake_user_data)
mock_message_from_string.assert_called_once_with(fake_user_data)
self.assertEqual(response, mock_message_from_string().walk())
@mock.patch('cloudbaseinit.plugins.windows.userdataplugins.factory.'
'load_plugins')
@mock.patch('cloudbaseinit.plugins.windows.userdata.UserDataPlugin'
'._parse_mime')
@mock.patch('cloudbaseinit.plugins.windows.userdata.UserDataPlugin'
'._process_part')
@mock.patch('cloudbaseinit.plugins.windows.userdata.UserDataPlugin'
'._end_part_process_event')
@mock.patch('cloudbaseinit.plugins.windows.userdata.UserDataPlugin'
'._process_non_multi_part')
def _test_process_user_data(self, mock_process_non_multi_part,
mock_end_part_process_event,
mock_process_part, mock_parse_mime,
mock_load_plugins, user_data, reboot):
mock_part = mock.MagicMock()
mock_parse_mime.return_value = [mock_part]
mock_process_part.return_value = (base.PLUGIN_EXECUTION_DONE, reboot)
response = self._userdata._process_user_data(user_data=user_data)
if user_data.startswith('Content-Type: multipart'):
mock_load_plugins.assert_called_once_with()
mock_parse_mime.assert_called_once_with(user_data)
mock_process_part.assert_called_once_with(mock_part,
mock_load_plugins(), {})
self.assertEqual(response, (base.PLUGIN_EXECUTION_DONE, reboot))
else:
mock_process_non_multi_part.assert_called_once_with(user_data)
self.assertEqual(response, mock_process_non_multi_part())
def test_process_user_data_multipart_reboot_true(self):
self._test_process_user_data(user_data='Content-Type: multipart',
reboot=True)
def test_process_user_data_multipart_reboot_false(self):
self._test_process_user_data(user_data='Content-Type: multipart',
reboot=False)
def test_process_user_data_non_multipart(self):
self._test_process_user_data(user_data='Content-Type: non-multipart',
reboot=False)
@mock.patch('cloudbaseinit.plugins.windows.userdata.UserDataPlugin'
'._add_part_handlers')
@mock.patch('cloudbaseinit.plugins.windows.userdata.UserDataPlugin'
'._get_plugin_return_value')
def _test_process_part(self, mock_get_plugin_return_value,
mock_add_part_handlers,
handler_func, user_data_plugin, content_type):
mock_part = mock.MagicMock()
mock_user_data_plugins = mock.MagicMock()
mock_user_handlers = mock.MagicMock()
mock_user_handlers.get.side_effect = [handler_func]
mock_user_data_plugins.get.side_effect = [user_data_plugin]
if content_type:
_content_type = self._userdata._PART_HANDLER_CONTENT_TYPE
mock_part.get_content_type.return_value = _content_type
else:
_content_type = 'other content type'
mock_part.get_content_type.return_value = _content_type
response = self._userdata._process_part(
part=mock_part, user_data_plugins=mock_user_data_plugins,
user_handlers=mock_user_handlers)
mock_part.get_content_type.assert_called_once_with()
mock_user_handlers.get.assert_called_once_with(
_content_type)
if handler_func and handler_func is Exception:
self.assertEqual(mock_part.get_content_type.call_count, 2)
self.assertEqual(mock_part.get_filename.call_count, 2)
elif handler_func:
handler_func.assert_called_once_with(None, _content_type,
mock_part.get_filename(),
mock_part.get_payload())
self.assertEqual(mock_part.get_content_type.call_count, 1)
self.assertEqual(mock_part.get_filename.call_count, 2)
else:
mock_user_data_plugins.get.assert_called_once_with(_content_type)
if user_data_plugin and content_type:
user_data_plugin.process.assert_called_with(mock_part)
mock_add_part_handlers.assert_called_with(
mock_user_data_plugins, mock_user_handlers,
user_data_plugin.process())
elif user_data_plugin and not content_type:
mock_get_plugin_return_value.assert_called_once_with(
user_data_plugin.process())
self.assertEqual(response, mock_get_plugin_return_value())
def test_process_part(self):
handler_func = mock.MagicMock()
self._test_process_part(handler_func=handler_func,
user_data_plugin=None, content_type=False)
def test_process_part_no_handler_func(self):
user_data_plugin = mock.MagicMock()
self._test_process_part(handler_func=None,
user_data_plugin=user_data_plugin,
content_type=True)
def test_process_part_not_content_type(self):
user_data_plugin = mock.MagicMock()
self._test_process_part(handler_func=None,
user_data_plugin=user_data_plugin,
content_type=False)
@mock.patch('cloudbaseinit.plugins.windows.userdata.UserDataPlugin'
'._begin_part_process_event')
def _test_add_part_handlers(self, mock_begin_part_process_event, ret_val):
mock_user_data_plugins = mock.MagicMock(spec=dict)
mock_new_user_handlers = mock.MagicMock(spec=dict)
mock_user_handlers = mock.MagicMock(spec=dict)
mock_handler_func = mock.MagicMock()
mock_new_user_handlers.items.return_value = [('fake content type',
mock_handler_func)]
if ret_val:
mock_user_data_plugins.get.return_value = mock_handler_func
else:
mock_user_data_plugins.get.return_value = None
self._userdata._add_part_handlers(
user_data_plugins=mock_user_data_plugins,
user_handlers=mock_user_handlers,
new_user_handlers=mock_new_user_handlers)
mock_user_data_plugins.get.assert_called_with('fake content type')
if ret_val is None:
mock_user_handlers.__setitem__.assert_called_once_with(
'fake content type', mock_handler_func)
mock_begin_part_process_event.assert_called_with(mock_handler_func)
def test_add_part_handlers(self):
self._test_add_part_handlers(ret_val=None)
def test_add_part_handlers_skip_part_handler(self):
mock_func = mock.MagicMock()
self._test_add_part_handlers(ret_val=mock_func)
def test_begin_part_process_event(self):
mock_handler_func = mock.MagicMock()
self._userdata._begin_part_process_event(
handler_func=mock_handler_func)
mock_handler_func.assert_called_once_with(None, "__begin__", None,
None)
def test_end_part_process_event(self):
mock_handler_func = mock.MagicMock()
self._userdata._end_part_process_event(
handler_func=mock_handler_func)
mock_handler_func.assert_called_once_with(None, "__end__", None,
None)
@mock.patch('cloudbaseinit.plugins.windows.userdatautils'
'.execute_user_data_script')
@mock.patch('cloudbaseinit.plugins.windows.userdata.UserDataPlugin'
'._get_plugin_return_value')
def test_process_non_multi_part(self, mock_get_plugin_return_value,
mock_execute_user_data_script):
user_data = 'fake'
response = self._userdata._process_non_multi_part(user_data=user_data)
mock_execute_user_data_script.assert_called_once_with(user_data)
mock_get_plugin_return_value.assert_called_once_with(
mock_execute_user_data_script())
self.assertEqual(response, mock_get_plugin_return_value())