compute-hyperv/compute_hyperv/tests/unit/test_pdk.py

131 lines
5.5 KiB
Python

# Copyright 2016 Cloudbase Solutions Srl
# All Rights Reserved.
#
# 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 exception
from compute_hyperv.nova import pdk
from compute_hyperv.tests.unit import test_base
from six.moves import builtins
class PDKTestCase(test_base.HyperVBaseTestCase):
_FAKE_PDK_FILE_PATH = 'C:\\path\\to\\fakepdk.pdk'
def setUp(self):
super(PDKTestCase, self).setUp()
self._pdk = pdk.PDK()
@mock.patch.object(builtins, 'open')
@mock.patch.object(pdk.PDK, '_get_pdk_data')
@mock.patch.object(pdk.PDK, '_get_pdk_container')
@mock.patch.object(pdk.PDK, '_get_pdk_reference')
def test_create_pdk(self, mock_get_pdk_reference, mock_get_pdk_container,
mock_get_pdk_data, mock_open):
mock_instance = mock.MagicMock()
pdk_file_handle = mock_open.return_value.__enter__.return_value
pdk_reference = mock_get_pdk_reference.return_value
pdk_container = mock_get_pdk_container.return_value
self._pdk.create_pdk(mock.sentinel.context,
mock_instance,
mock.sentinel.image_meta,
self._FAKE_PDK_FILE_PATH)
mock_get_pdk_reference.assert_called_once_with(
mock_instance, mock.sentinel.image_meta)
mock_get_pdk_container.assert_called_once_with(mock.sentinel.context,
mock_instance,
pdk_reference)
mock_get_pdk_data.assert_called_once_with(pdk_container)
pdk_file_handle.write.assert_called_once_with(
mock_get_pdk_data.return_value)
def _test_get_pdk_reference(self, pdk_reference=None,
image_meta_pdk_ref=None):
mock_instance = mock.MagicMock(
metadata={'img_pdk_reference': image_meta_pdk_ref})
image_meta = {
'properties': {'img_pdk_reference': pdk_reference}}
expected_result = image_meta_pdk_ref or pdk_reference
result = self._pdk._get_pdk_reference(mock_instance,
image_meta)
self.assertEqual(expected_result, result)
def test_get_pdk_boot_reference(self):
self._test_get_pdk_reference(
image_meta_pdk_ref=mock.sentinel.image_meta_pdk_ref)
def test_get_pdk_image_reference(self):
self._test_get_pdk_reference(pdk_reference=mock.sentinel.pdk_reference)
def test_get_pdk_no_reference(self):
image_meta = {'properties': {}}
mock_instance = mock.MagicMock(metadata={})
self.assertRaises(exception.InstanceUnacceptable,
self._pdk._get_pdk_reference,
mock_instance, image_meta)
@mock.patch('barbicanclient.client.Client')
@mock.patch('keystoneauth1.session.Session')
def test_get_pdk_container(self, mock_session, mock_barbican_client):
instance = mock.MagicMock()
context = mock.MagicMock()
auth = context.get_auth_plugin.return_value
sess = mock_session.return_value
barbican_client = mock_barbican_client.return_value
barbican_client.containers.get.return_value = (
mock.sentinel.pdk_container)
result = self._pdk._get_pdk_container(context, instance,
mock.sentinel.pdk_reference)
self.assertEqual(mock.sentinel.pdk_container, result)
mock_session.assert_called_once_with(auth=auth)
mock_barbican_client.assert_called_once_with(session=sess)
@mock.patch('barbicanclient.client.Client')
@mock.patch('keystoneauth1.session.Session')
def test_get_pdk_container_exception(self, mock_session,
mock_barbican_client):
instance = mock.MagicMock()
context = mock.MagicMock()
auth = context.get_auth_plugin.return_value
sess = mock_session.return_value
barbican_client = mock_barbican_client.return_value
barbican_client.containers.get.side_effect = [
exception.InvalidMetadata]
self.assertRaises(exception.InvalidMetadata,
self._pdk._get_pdk_container,
context,
instance,
mock.sentinel.pdk_reference)
mock_session.assert_called_once_with(auth=auth)
mock_barbican_client.assert_called_once_with(session=sess)
def test_get_pdk_data(self):
pdk_container = mock.MagicMock()
pdk_container.secrets = {'1': mock.MagicMock(payload=b'fake_secret1'),
'2': mock.MagicMock(payload=b'fake_secret2')}
response = self._pdk._get_pdk_data(pdk_container)
expected_result = b'fake_secret1fake_secret2'
self.assertEqual(expected_result, response)