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# Copyright 2015 Futurewei. 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 copy
from unittest import mock
from networking_sfc.services.flowclassifier.common import context as fc_ctx
from networking_sfc.services.flowclassifier.common import exceptions as fc_exc
from networking_sfc.tests.unit.db import test_flowclassifier_db
FLOWCLASSIFIER_PLUGIN_KLASS = (
"networking_sfc.services.flowclassifier."
"plugin.FlowClassifierPlugin"
)
class FlowClassifierPluginTestCase(
test_flowclassifier_db.FlowClassifierDbPluginTestCase
):
def setUp(
self, core_plugin=None, flowclassifier_plugin=None, ext_mgr=None
):
if not flowclassifier_plugin:
flowclassifier_plugin = FLOWCLASSIFIER_PLUGIN_KLASS
self.driver_manager_p = mock.patch(
'networking_sfc.services.flowclassifier.driver_manager.'
'FlowClassifierDriverManager'
)
self.fake_driver_manager_class = self.driver_manager_p.start()
self.fake_driver_manager = mock.Mock()
self.fake_driver_manager_class.return_value = self.fake_driver_manager
self.plugin_context = None
self.plugin_context_precommit = None
self.plugin_context_postcommit = None
super(FlowClassifierPluginTestCase, self).setUp(
core_plugin=core_plugin,
flowclassifier_plugin=flowclassifier_plugin,
ext_mgr=ext_mgr
)
def _record_context(self, plugin_context):
self.plugin_context = plugin_context
def _record_context_precommit(self, plugin_context):
self.plugin_context_precommit = plugin_context
def _record_context_postcommit(self, plugin_context):
self.plugin_context_postcommit = plugin_context
def test_create_flow_classifier_driver_manager_called(self):
self.fake_driver_manager.create_flow_classifier_precommit = mock.Mock(
side_effect=self._record_context_precommit)
self.fake_driver_manager.create_flow_classifier_postcommit = mock.Mock(
side_effect=self._record_context_postcommit)
with self.port(
name='test1'
) as port:
with self.flow_classifier(flow_classifier={
'logical_source_port': port['port']['id']
}) as fc:
driver_manager = self.fake_driver_manager
(driver_manager.create_flow_classifier_precommit
.assert_called_once_with(mock.ANY))
(driver_manager.create_flow_classifier_postcommit
.assert_called_once_with(mock.ANY))
self.assertIsInstance(
self.plugin_context_precommit,
fc_ctx.FlowClassifierContext)
self.assertIsInstance(
self.plugin_context_postcommit,
fc_ctx.FlowClassifierContext)
self.assertIn('flow_classifier', fc)
self.assertEqual(
self.plugin_context_precommit.current,
fc['flow_classifier'])
self.assertEqual(
self.plugin_context_postcommit.current,
fc['flow_classifier'])
def test_create_flow_classifier_postcommit_driver_manager_exception(self):
self.fake_driver_manager.create_flow_classifier_postcommit = mock.Mock(
side_effect=fc_exc.FlowClassifierDriverError(
method='create_flow_classifier_postcommit'
)
)
with self.port(
name='test1'
) as port:
self._create_flow_classifier(
self.fmt, {'logical_source_port': port['port']['id']},
expected_res_status=500)
driver_manager = self.fake_driver_manager
(driver_manager.create_flow_classifier_precommit
.assert_called_once_with(mock.ANY))
(driver_manager.create_flow_classifier_postcommit
.assert_called_once_with(mock.ANY))
(driver_manager.delete_flow_classifier
.assert_called_once_with(mock.ANY))
(driver_manager.delete_flow_classifier_precommit
.assert_called_once_with(mock.ANY))
(driver_manager.delete_flow_classifier_postcommit
.assert_called_once_with(mock.ANY))
self._test_list_resources('flow_classifier', [])
def test_create_flow_classifier_precommit_driver_manager_exception(self):
self.fake_driver_manager.create_flow_classifier_precommit = mock.Mock(
side_effect=fc_exc.FlowClassifierDriverError(
method='create_flow_classifier_precommit'
)
)
with self.port(
name='test1'
) as port:
self._test_list_resources('flow_classifier', [])
self._create_flow_classifier(
self.fmt, {'logical_source_port': port['port']['id']},
expected_res_status=500)
self._test_list_resources('flow_classifier', [])
driver_manager = self.fake_driver_manager
(driver_manager.create_flow_classifier_precommit
.assert_called_once_with(mock.ANY))
(driver_manager.create_flow_classifier_postcommit
.assert_not_called())
driver_manager.delete_flow_classifier.assert_not_called()
(driver_manager.delete_flow_classifier_precommit
.assert_not_called())
(driver_manager.delete_flow_classifier_postcommit
.assert_not_called())
self._test_list_resources('flow_classifier', [])
def test_update_flow_classifier_driver_manager_called(self):
self.fake_driver_manager.update_flow_classifier_precommit = mock.Mock(
side_effect=self._record_context_precommit)
self.fake_driver_manager.update_flow_classifier_postcommit = mock.Mock(
side_effect=self._record_context_postcommit)
with self.port(
name='test1'
) as port:
with self.flow_classifier(flow_classifier={
'name': 'test1',
'logical_source_port': port['port']['id']
}) as fc:
req = self.new_update_request(
'flow_classifiers', {'flow_classifier': {'name': 'test2'}},
fc['flow_classifier']['id']
)
res = self.deserialize(
self.fmt,
req.get_response(self.ext_api)
)
driver_manager = self.fake_driver_manager
(driver_manager.update_flow_classifier_precommit
.assert_called_once_with(mock.ANY))
(driver_manager.update_flow_classifier_postcommit
.assert_called_once_with(mock.ANY))
self.assertIsInstance(
self.plugin_context_precommit,
fc_ctx.FlowClassifierContext)
self.assertIsInstance(self.plugin_context_postcommit,
fc_ctx.FlowClassifierContext)
self.assertIn('flow_classifier', fc)
self.assertIn('flow_classifier', res)
self.assertEqual(self.plugin_context_precommit.current,
res['flow_classifier'])
self.assertEqual(self.plugin_context_postcommit.current,
res['flow_classifier'])
self.assertEqual(self.plugin_context_precommit.original,
fc['flow_classifier'])
self.assertEqual(self.plugin_context_postcommit.original,
fc['flow_classifier'])
def _test_update_flow_classifier_driver_manager_exception(self, updated):
with self.port(
name='test1'
) as port:
with self.flow_classifier(flow_classifier={
'name': 'test1',
'logical_source_port': port['port']['id']
}) as fc:
self.assertIn('flow_classifier', fc)
original_flow_classifier = fc['flow_classifier']
req = self.new_update_request(
'flow_classifiers', {'flow_classifier': {'name': 'test2'}},
fc['flow_classifier']['id']
)
updated_flow_classifier = copy.copy(original_flow_classifier)
if updated:
updated_flow_classifier['name'] = 'test2'
res = req.get_response(self.ext_api)
self.assertEqual(500, res.status_int)
driver_manager = self.fake_driver_manager
(driver_manager.update_flow_classifier_precommit
.assert_called_once_with(mock.ANY))
if updated:
(driver_manager.update_flow_classifier_postcommit
.assert_called_once_with(mock.ANY))
else:
(driver_manager.update_flow_classifier_postcommit
.assert_not_called())
res = self._list('flow_classifiers')
self.assertIn('flow_classifiers', res)
self.assertCountEqual(
res['flow_classifiers'], [updated_flow_classifier])
def test_update_flow_classifier_precommit_driver_manager_exception(self):
self.fake_driver_manager.update_flow_classifier_precommit = mock.Mock(
side_effect=fc_exc.FlowClassifierDriverError(
method='update_flow_classifier_precommit'
)
)
self._test_update_flow_classifier_driver_manager_exception(False)
def test_update_flow_classifier_postcommit_driver_manager_exception(self):
self.fake_driver_manager.update_flow_classifier_postcommit = mock.Mock(
side_effect=fc_exc.FlowClassifierDriverError(
method='update_flow_classifier_postcommit'
)
)
self._test_update_flow_classifier_driver_manager_exception(True)
def test_delete_flow_classifer_driver_manager_called(self):
self.fake_driver_manager.delete_flow_classifier = mock.Mock(
side_effect=self._record_context)
self.fake_driver_manager.delete_flow_classifier_precommit = mock.Mock(
side_effect=self._record_context_precommit)
self.fake_driver_manager.delete_flow_classifier_postcommit = mock.Mock(
side_effect=self._record_context_postcommit)
with self.port(
name='test1'
) as port:
with self.flow_classifier(
flow_classifier={'logical_source_port': port['port']['id']},
do_delete=False
) as fc:
req = self.new_delete_request(
'flow_classifiers', fc['flow_classifier']['id']
)
res = req.get_response(self.ext_api)
self.assertEqual(204, res.status_int)
driver_manager = self.fake_driver_manager
(driver_manager.delete_flow_classifier
.assert_called_once_with(mock.ANY))
(driver_manager.delete_flow_classifier_precommit
.assert_called_once_with(mock.ANY))
(driver_manager.delete_flow_classifier_postcommit
.assert_called_once_with(mock.ANY))
self.assertIsInstance(
self.plugin_context, fc_ctx.FlowClassifierContext
)
self.assertIsInstance(
self.plugin_context_precommit, fc_ctx.FlowClassifierContext
)
self.assertIsInstance(self.plugin_context_postcommit,
fc_ctx.FlowClassifierContext)
self.assertIn('flow_classifier', fc)
self.assertEqual(
self.plugin_context.current, fc['flow_classifier'])
self.assertEqual(self.plugin_context_precommit.current,
fc['flow_classifier'])
self.assertEqual(self.plugin_context_postcommit.current,
fc['flow_classifier'])
def _test_delete_flow_classifier_driver_manager_exception(self):
with self.port(
name='test1'
) as port:
with self.flow_classifier(flow_classifier={
'name': 'test1',
'logical_source_port': port['port']['id']
}, do_delete=False) as fc:
req = self.new_delete_request(
'flow_classifiers', fc['flow_classifier']['id']
)
res = req.get_response(self.ext_api)
self.assertEqual(500, res.status_int)
driver_manager = self.fake_driver_manager
driver_manager.delete_flow_classifier.assert_called_once_with(
mock.ANY
)
self._test_list_resources('flow_classifier', [fc])
def test_delete_flow_classifier_driver_manager_exception(self):
self.fake_driver_manager.delete_flow_classifier = mock.Mock(
side_effect=fc_exc.FlowClassifierDriverError(
method='delete_flow_classifier'
)
)
self._test_delete_flow_classifier_driver_manager_exception()
def test_delete_flow_classifier_precommit_driver_manager_exception(self):
self.fake_driver_manager.delete_flow_classifier_precommit = mock.Mock(
side_effect=fc_exc.FlowClassifierDriverError(
method='delete_flow_classifier_precommit'
)
)
self._test_delete_flow_classifier_driver_manager_exception()
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