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# ============LICENSE_START===================================================
# Copyright (C) 2019-2020 Nordix Foundation.
# ============================================================================
# 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.
#
# SPDX-License-Identifier: Apache-2.0
# ============LICENSE_END=====================================================
import json
import os
from test.support import EnvironmentVarGuard
from unittest import TestCase
from unittest.mock import patch
import responses
from requests import Session
from tenacity import stop_after_attempt
from mod import db, get_db_connection_url, create_app
from mod.db_models import SubscriptionModel
from mod.pmsh_utils import AppConfig, policy_response_handle_functions
from mod.subscription import Subscription
from mod.network_function import NetworkFunction
class PmshUtilsTestCase(TestCase):
@patch('mod.create_app')
@patch('mod.get_db_connection_url')
def setUp(self, mock_get_db_url, mock_app):
mock_get_db_url.return_value = 'sqlite://'
with open(os.path.join(os.path.dirname(__file__), 'data/cbs_data_1.json'), 'r') as data:
self.cbs_data = json.load(data)
self.app_conf = AppConfig(**self.cbs_data['config'])
self.sub = Subscription(**self.cbs_data['policy']['subscription'])
self.env = EnvironmentVarGuard()
self.env.set('LOGS_PATH', './unit_test_logs')
self.policy_mr_sub = self.app_conf.get_mr_sub('policy_pm_subscriber')
self.mock_app = mock_app
self.app = create_app()
self.app_context = self.app.app_context()
self.app_context.push()
db.create_all()
def test_utils_get_mr_sub(self):
mr_policy_sub = self.app_conf.get_mr_sub('policy_pm_subscriber')
self.assertTrue(mr_policy_sub.aaf_id, 'dcae@dcae.onap.org')
def test_utils_get_mr_sub_fails_with_invalid_name(self):
with self.assertRaises(KeyError):
self.app_conf.get_mr_sub('invalid_sub')
def test_utils_get_mr_pub(self):
mr_policy_pub = self.app_conf.get_mr_pub('policy_pm_publisher')
self.assertTrue(mr_policy_pub.aaf_pass, 'demo123456!')
def test_utils_get_mr_pub_fails_with_invalid_name(self):
with self.assertRaises(KeyError):
self.app_conf.get_mr_pub('invalid_pub')
def test_utils_get_cert_data(self):
self.assertTrue(self.app_conf.cert_params, ('/opt/app/pm-mapper/etc/certs/cert.pem',
'/opt/app/pm-mapper/etc/certs/key.pem'))
@patch.object(Session, 'post')
def test_mr_pub_publish_to_topic_success(self, mock_session):
mock_session.return_value.status_code = 200
mr_policy_pub = self.app_conf.get_mr_pub('policy_pm_publisher')
with patch('requests.Session.post') as session_post_call:
mr_policy_pub.publish_to_topic({"dummy_val": "43c4ee19-6b8d-4279-a80f-c507850aae47"})
session_post_call.assert_called_once()
@responses.activate
def test_mr_pub_publish_to_topic_fail(self):
responses.add(responses.POST,
'https://node:30226/events/org.onap.dmaap.mr.PM_SUBSCRIPTIONS',
json={'error': 'Client Error'}, status=400)
mr_policy_pub = self.app_conf.get_mr_pub('policy_pm_publisher')
with self.assertRaises(Exception):
mr_policy_pub.publish_to_topic({"dummy_val": "43c4ee19-6b8d-4279-a80f-c507850aae47"})
def test_mr_pub_publish_sub_event_data_success(self):
mr_policy_pub = self.app_conf.get_mr_pub('policy_pm_publisher')
with patch('mod.pmsh_utils._MrPub.publish_to_topic') as pub_to_topic_call:
mr_policy_pub.publish_subscription_event_data(self.sub, 'pnf201')
pub_to_topic_call.assert_called_once()
@responses.activate
def test_mr_sub_get_from_topic_success(self):
responses.add(responses.GET,
'https://node:30226/events/org.onap.dmaap.mr.PM_SUBSCRIPTIONS/'
'dcae_pmsh_cg/1?timeout=1000',
json={"dummy_val": "43c4ee19-6b8d-4279-a80f-c507850aae47"}, status=200)
mr_topic_data = self.policy_mr_sub.get_from_topic(1)
self.assertIsNotNone(mr_topic_data)
@responses.activate
def test_mr_sub_get_from_topic_fail(self):
responses.add(responses.GET,
'https://node:30226/events/org.onap.dmaap.mr.PM_SUBSCRIPTIONS/'
'dcae_pmsh_cg/1?timeout=1000',
json={"dummy_val": "43c4ee19-6b8d-4279-a80f-c507850aae47"}, status=400)
mr_topic_data = self.policy_mr_sub.get_from_topic(1)
self.assertIsNone(mr_topic_data)
def test_get_db_connection_url_success(self):
self.env = EnvironmentVarGuard()
self.env.set('PMSH_PG_URL', '1.2.3.4')
self.env.set('PMSH_PG_USERNAME', 'pmsh')
self.env.set('PMSH_PG_PASSWORD', 'pass')
db_url = get_db_connection_url()
self.assertEqual(db_url, 'postgres+psycopg2://pmsh:pass@1.2.3.4:5432/pmsh')
def test_get_db_connection_url_fail(self):
self.env = EnvironmentVarGuard()
self.env.set('PMSH_PG_USERNAME', 'pmsh')
self.env.set('PMSH_PG_PASSWORD', 'pass')
with self.assertRaises(Exception):
get_db_connection_url()
@patch('mod.pmsh_utils.NetworkFunction.delete')
def test_handle_response_locked_success(self, mock_delete):
with patch.dict(policy_response_handle_functions, {'LOCKED': {'success': mock_delete}}):
administrative_state = 'LOCKED'
nf = NetworkFunction(nf_name='nf1')
self.policy_mr_sub._handle_response(self.sub.subscriptionName, administrative_state,
nf.nf_name, 'success')
mock_delete.assert_called()
@patch('mod.subscription.Subscription.update_sub_nf_status')
def test_handle_response_locked_failed(self, mock_update_sub_nf):
with patch.dict(policy_response_handle_functions,
{'LOCKED': {'failed': mock_update_sub_nf}}):
administrative_state = 'LOCKED'
nf = NetworkFunction(nf_name='nf1')
self.policy_mr_sub._handle_response(self.sub.subscriptionName, administrative_state,
nf.nf_name, 'failed')
mock_update_sub_nf.assert_called()
@patch('mod.subscription.Subscription.update_sub_nf_status')
def test_handle_response_unlocked_success(self, mock_update_sub_nf):
with patch.dict(policy_response_handle_functions,
{'UNLOCKED': {'success': mock_update_sub_nf}}):
nf = NetworkFunction(nf_name='nf1')
self.policy_mr_sub._handle_response(self.sub.subscriptionName,
self.sub.administrativeState,
nf.nf_name, 'success')
mock_update_sub_nf.assert_called()
@patch('mod.subscription.Subscription.update_sub_nf_status')
def test_handle_response_unlocked_failed(self, mock_update_sub_nf):
with patch.dict(policy_response_handle_functions,
{'UNLOCKED': {'failed': mock_update_sub_nf}}):
nf = NetworkFunction(nf_name='nf1')
self.policy_mr_sub._handle_response(self.sub.subscriptionName,
self.sub.administrativeState,
nf.nf_name, 'failed')
mock_update_sub_nf.assert_called()
def test_handle_response_exception(self):
self.assertRaises(Exception, self.policy_mr_sub._handle_response, 'sub1', 'wrong_state',
'nf1', 'wrong_message')
@patch('mod.pmsh_utils._MrSub.get_from_topic')
@patch('mod.pmsh_utils._MrSub._handle_response')
@patch('mod.subscription.Subscription.get')
@patch('threading.Timer')
def test_poll_policy_topic_calls_methods_correct_sub(self, mock_thread, mock_get_sub,
mock_handle_response, mock_get_from_topic):
result_data = ['{"name": "ResponseEvent","status": { "subscriptionName": '
'"ExtraPM-All-gNB-R2B", "nfName": "pnf300", "message": "success" } }']
mock_get_from_topic.return_value = result_data
mock_thread.start.return_value = 1
mock_get_sub.return_value = SubscriptionModel(subscription_name='ExtraPM-All-gNB-R2B',
status='UNLOCKED')
self.policy_mr_sub.poll_policy_topic(self.sub.subscriptionName, self.mock_app)
mock_get_from_topic.assert_called()
mock_handle_response.assert_called_with(self.sub.subscriptionName,
'UNLOCKED', 'pnf300', 'success')
@patch('mod.pmsh_utils._MrSub.get_from_topic')
@patch('mod.pmsh_utils._MrSub._handle_response')
@patch('mod.subscription.Subscription.get')
@patch('threading.Timer')
def test_poll_policy_topic_no_method_calls_incorrect_sub(self, mock_thread, mock_get_sub,
mock_handle_response,
mock_get_from_topic):
result_data = ['{"name": "ResponseEvent","status": { "subscriptionName": '
'"demo-subscription", "nfName": "pnf300", "message": "success" } }']
mock_get_from_topic.return_value = result_data
mock_thread.start.return_value = 1
mock_get_sub.return_value = SubscriptionModel(subscription_name='ExtraPM-All-gNB-R2B',
status='UNLOCKED')
self.policy_mr_sub.poll_policy_topic(self.sub, self.mock_app)
mock_get_from_topic.assert_called()
mock_handle_response.assert_not_called()
@patch('mod.subscription.Subscription.get')
@patch('mod.pmsh_utils._MrSub.get_from_topic')
def test_poll_policy_topic_exception(self, mock_get_from_topic, mock_get_sub):
mock_get_from_topic.return_value = 'wrong_return'
mock_get_sub.return_value = SubscriptionModel(subscription_name='ExtraPM-All-gNB-R2B',
status='UNLOCKED')
self.policy_mr_sub.poll_policy_topic.retry.stop = stop_after_attempt(1)
self.assertRaises(Exception, self.policy_mr_sub.poll_policy_topic, 'sub1', self.mock_app)