deb-murano/murano/tests/unit/policy/test_model_policy_enforcer.py
Filip Blaha 3cef984de9 Environment modify actions introduced
Base class for modify actions.
Entry points based action registration.
Action manager loads and execute actions.
Out-of-the-box actions implementation.

Partially implements: blueprint policy-based-env-modification

Change-Id: Ib148c5f2b7efb1186d77f5461ef9324cca1287c2
2015-09-09 12:47:45 +02:00

147 lines
5.5 KiB
Python

# Copyright (c) 2014 OpenStack Foundation.
# 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 congressclient
import mock
from oslo_config import cfg
from murano.common import engine
from murano.engine import client_manager
from murano.policy import model_policy_enforcer
from murano.tests.unit import base
CONF = cfg.CONF
class TestModelPolicyEnforcer(base.MuranoTestCase):
def setUp(self):
super(TestModelPolicyEnforcer, self).setUp()
self.obj = mock.Mock()
self.package_loader = mock.Mock()
self.model_dict = mock.Mock()
self.obj.to_dictionary = mock.Mock(return_value=self.model_dict)
self.task = {
'action': {'method': 'deploy'},
'model': {'Objects': None},
'token': 'token',
'tenant_id': 'environment.tenant_id',
'id': 'environment.id'
}
self.congress_client_mock = \
mock.Mock(spec=congressclient.v1.client.Client)
self.client_manager_mock = mock.Mock(spec=client_manager.ClientManager)
self.client_manager_mock.get_congress_client.return_value = \
self.congress_client_mock
self.environment = mock.Mock()
self.environment.clients = self.client_manager_mock
def test_enforcer_disabled(self):
executor = engine.TaskExecutor(self.task)
executor._model_policy_enforcer = mock.Mock()
CONF.engine.enable_model_policy_enforcer = False
executor._validate_model(self.obj, self.package_loader)
self.assertFalse(executor._model_policy_enforcer.validate.called)
def test_enforcer_enabled(self):
executor = engine.TaskExecutor(self.task)
executor._model_policy_enforcer = mock.Mock()
CONF.engine.enable_model_policy_enforcer = True
executor._validate_model(self.obj, self.package_loader)
executor._model_policy_enforcer \
.validate.assert_called_once_with(self.model_dict,
self.package_loader)
def test_enforcer_no_client(self):
self.client_manager_mock.get_congress_client.return_value = None
enforcer = model_policy_enforcer.ModelPolicyEnforcer(self.environment)
model = {'?': {'id': '123', 'type': 'class'}}
self.assertRaises(ValueError, enforcer.validate, model)
def test_validation_pass(self):
self.congress_client_mock.execute_policy_action.return_value = \
{"result": []}
model = {'?': {'id': '123', 'type': 'class'}}
enforcer = model_policy_enforcer.ModelPolicyEnforcer(self.environment)
enforcer.validate(model)
def test_validation_failure(self):
self.congress_client_mock.execute_policy_action.return_value = \
{"result": ['predeploy_errors("123","instance1","failure")']}
model = {'?': {'id': '123', 'type': 'class'}}
enforcer = model_policy_enforcer.ModelPolicyEnforcer(self.environment)
self.assertRaises(model_policy_enforcer.ValidationError,
enforcer.validate, model)
def test_modify(self):
model = {'?': {'id': '123', 'type': 'class'}}
obj = mock.MagicMock()
obj.to_dictionary = mock.Mock(return_value=model)
self.congress_client_mock.execute_policy_action.return_value = \
{"result": [
'predeploy_modify("123","instance1",'
'"remove-object: {object_id: "12"}")']}
action_manager = mock.MagicMock()
enforcer = model_policy_enforcer.ModelPolicyEnforcer(
self.environment, action_manager)
enforcer.modify(obj)
self.assertTrue(action_manager.apply_action.called)
def test_parse_result(self):
congress_response = [
'unexpected response',
'predeploy_errors("env1","instance1","Instance 1 has problem")',
'predeploy_errors("env1","instance1","Instance 2 has problem")',
'predeploy_errors("env2","instance1","Instance 3 has problem")'
]
enforcer = model_policy_enforcer.ModelPolicyEnforcer(self.environment)
result = enforcer._parse_simulation_result(
'predeploy_errors', 'env1', congress_response)
self.assertFalse("unexpected response" in result)
self.assertTrue("Instance 1 has problem" in result)
self.assertTrue("Instance 2 has problem" in result)
self.assertFalse("Instance 3 has problem" in result)
def test_none_model(self):
executor = engine.TaskExecutor(self.task)
executor._model_policy_enforcer = mock.Mock()
CONF.engine.enable_model_policy_enforcer = True
executor._validate_model(None, self.package_loader)
self.assertFalse(executor._model_policy_enforcer.modify.called)
self.assertFalse(executor._model_policy_enforcer.validate.called)
executor._validate_model(self.obj, self.package_loader)
self.assertTrue(executor._model_policy_enforcer.modify.called)
self.assertTrue(executor._model_policy_enforcer.validate.called)