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# ============LICENSE_START===================================================
# Copyright (C) 2019-2021 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 unittest.mock import patch, Mock
from requests import Session
import mod.aai_client as aai_client
from mod.network_function import NetworkFunction
from mod.subscription import Subscription
from tests.base_setup import BaseClassSetup
class SubscriptionTest(BaseClassSetup):
@classmethod
def setUpClass(cls):
super().setUpClass()
@patch.object(Session, 'get')
@patch.object(Session, 'put')
def setUp(self, mock_session_put, mock_session_get):
super().setUp()
with open(os.path.join(os.path.dirname(__file__), 'data/aai_xnfs.json'), 'r') as data:
self.aai_response_data = data.read()
mock_session_put.return_value.status_code = 200
mock_session_put.return_value.text = self.aai_response_data
with open(os.path.join(os.path.dirname(__file__), 'data/aai_model_info.json'), 'r') as data:
self.aai_model_data = data.read()
mock_session_get.return_value.status_code = 200
mock_session_get.return_value.text = self.aai_model_data
self.mock_mr_sub = Mock()
self.mock_mr_pub = Mock()
self.app_conf.subscription.create()
self.xnfs = aai_client.get_pmsh_nfs_from_aai(self.app_conf, self.app_conf.nf_filter)
self.sub_model = self.app_conf.subscription.get()
def tearDown(self):
super().tearDown()
@classmethod
def tearDownClass(cls):
super().tearDownClass()
def test_sub_measurement_group(self):
self.assertEqual(len(self.app_conf.subscription.measurementGroups), 2)
def test_sub_file_location(self):
self.assertEqual(self.app_conf.subscription.fileLocation, '/pm/pm.xml')
def test_get_subscription(self):
sub_name = 'ExtraPM-All-gNB-R2B'
new_sub = self.app_conf.subscription.get()
self.assertEqual(sub_name, new_sub.subscription_name)
def test_get_nf_names_per_sub(self):
self.app_conf.subscription.add_network_function_to_subscription(list(self.xnfs)[0],
self.sub_model)
self.app_conf.subscription.add_network_function_to_subscription(list(self.xnfs)[1],
self.sub_model)
def test_create_existing_subscription(self):
sub1 = self.app_conf.subscription.create()
same_sub1 = self.app_conf.subscription.create()
self.assertEqual(sub1, same_sub1)
self.assertEqual(1, len(self.app_conf.subscription.get_all()))
def test_add_duplicate_network_functions_per_subscription(self):
self.app_conf.subscription.add_network_function_to_subscription(list(self.xnfs)[0],
self.sub_model)
nf_subs = Subscription.get_all_nfs_subscription_relations()
self.assertEqual(1, len(nf_subs))
self.app_conf.subscription.add_network_function_to_subscription(list(self.xnfs)[0],
self.sub_model)
nf_subs = Subscription.get_all_nfs_subscription_relations()
self.assertEqual(1, len(nf_subs))
def test_update_subscription_status(self):
self.app_conf.subscription.administrativeState = 'new_status'
self.app_conf.subscription.update_subscription_status()
sub = self.app_conf.subscription.get()
self.assertEqual('new_status', sub.status)
def test_update_sub_nf_status(self):
sub_name = 'ExtraPM-All-gNB-R2B'
for nf in self.xnfs:
self.app_conf.subscription.add_network_function_to_subscription(nf, self.sub_model)
sub_nfs = Subscription.get_all_nfs_subscription_relations()
self.assertEqual('PENDING_CREATE', sub_nfs[0].nf_sub_status)
Subscription.update_sub_nf_status(sub_name, 'Active', 'pnf_23')
sub_nfs = Subscription.get_all_nfs_subscription_relations()
self.assertEqual('PENDING_CREATE', sub_nfs[0].nf_sub_status)
self.assertEqual('PENDING_CREATE', sub_nfs[1].nf_sub_status)
@patch('mod.subscription.Subscription.add_network_function_to_subscription')
@patch('mod.subscription.Subscription.update_sub_nf_status')
def test_process_activate_subscription(self, mock_update_sub_nf, mock_add_nfs):
self.app_conf.subscription.create_subscription_on_nfs([list(self.xnfs)[0]],
self.mock_mr_pub, self.app_conf)
mock_add_nfs.assert_called()
self.assertTrue(self.mock_mr_pub.publish_subscription_event_data.called)
mock_update_sub_nf.assert_called_with(self.app_conf.subscription.subscriptionName,
'PENDING_CREATE', list(self.xnfs)[0].nf_name)
@patch('mod.subscription.Subscription.get_network_functions')
@patch('mod.subscription.Subscription.update_sub_nf_status')
def test_process_deactivate_subscription(self, mock_update_sub_nf, mock_get_nfs):
self.app_conf.subscription.administrativeState = 'LOCKED'
mock_get_nfs.return_value = [list(self.xnfs)[0]]
self.app_conf.subscription.delete_subscription_from_nfs(self.xnfs, self.mock_mr_pub,
self.app_conf)
self.assertTrue(self.mock_mr_pub.publish_subscription_event_data.called)
self.assertEqual(mock_update_sub_nf.call_count, 3)
def test_activate_subscription_exception(self):
self.assertRaises(Exception, self.app_conf.subscription.create_subscription_on_nfs,
[list(self.xnfs)[0]], 'not_mr_pub', 'app_config')
def test_prepare_subscription_event(self):
with open(os.path.join(os.path.dirname(__file__),
'data/pm_subscription_event.json'), 'r') as data:
expected_sub_event = json.load(data)
nf = NetworkFunction(nf_name='pnf_1',
ipv4_address='204.120.0.15',
ipv6_address='',
model_invariant_id='some-id',
model_version_id='some-id')
nf.sdnc_model_name = 'some-name'
nf.sdnc_model_version = 'some-version'
actual_sub_event = self.app_conf.subscription.prepare_subscription_event(nf, self.app_conf)
print(actual_sub_event)
self.assertEqual(expected_sub_event, actual_sub_event)
def test_prepare_subscription_event_with_ipv6(self):
with open(os.path.join(os.path.dirname(__file__),
'data/pm_subscription_event.json'), 'r') as data:
expected_sub_event = json.load(data)
expected_sub_event['ipAddress'] = '2001:db8:3333:4444:5555:6666:7777:8888'
nf = NetworkFunction(nf_name='pnf_1',
ipv4_address='204.120.0.15',
ipv6_address='2001:db8:3333:4444:5555:6666:7777:8888',
model_invariant_id='some-id',
model_version_id='some-id')
nf.sdnc_model_name = 'some-name'
nf.sdnc_model_version = 'some-version'
actual_sub_event = self.app_conf.subscription.prepare_subscription_event(nf, self.app_conf)
print(actual_sub_event)
self.assertEqual(expected_sub_event, actual_sub_event)
def test_get_network_functions(self):
for nf in self.xnfs:
self.app_conf.subscription.add_network_function_to_subscription(nf, self.sub_model)
nfs = self.app_conf.subscription.get_network_functions()
self.assertEqual(3, len(nfs))
self.assertIsInstance(nfs[0], NetworkFunction)
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