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# ============LICENSE_START===================================================
# Copyright (C) 2020-2022 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 copy
import json
from os import path
from unittest.mock import patch, MagicMock
from mod.aai_event_handler import AAIEventHandler
from mod.api.db_models import NetworkFunctionModel
from tests.base_setup import BaseClassSetup, create_subscription_data
from mod import db
class AAIEventHandlerTest(BaseClassSetup):
def setUp(self):
super().setUp()
subscription = create_subscription_data('aai_event_handler')
subscription.measurement_groups[1].administravtive_sate = 'UNLOCKED'
db.session.add(subscription)
db.session.add(subscription.measurement_groups[0])
db.session.add(subscription.measurement_groups[1])
db.session.add(subscription.network_filter)
db.session.add(subscription.nfs[0])
db.session.commit()
with open(path.join(path.dirname(__file__), 'data/mr_aai_events.json'), 'r') as data:
self.mr_aai_events = json.load(data)["mr_response"]
@patch('mod.pmsh_config.AppConfig.get_from_topic')
@patch('mod.network_function.NetworkFunction.set_nf_model_params')
@patch('mod.network_function.NetworkFunction.delete')
def test_process_aai_delete_events(self, mock_nf_delete, mock_set_sdnc_params, mr_aai_mock):
mock_set_sdnc_params.return_value = True
mr_aai_mock.return_value = self.mr_aai_events
aai_handler = AAIEventHandler(self.app)
network_function = NetworkFunctionModel(
nf_name="pnf_to_be_deleted1",
ipv4_address='204.120.0.15',
ipv6_address='2001:db8:3333:4444:5555:6666:7777:8888',
model_invariant_id='123',
model_version_id='234',
model_name='pnf',
sdnc_model_name='p-node',
sdnc_model_version='v1')
db.session.add(network_function)
network_function2 = copy.deepcopy(network_function)
network_function2.nf_name = "pnf_to_be_deleted2"
db.session.add(network_function2)
db.session.commit()
aai_handler.execute()
self.assertEqual(mock_nf_delete.call_count, 2)
@patch('mod.aai_event_handler.AAIEventHandler.apply_nfs_to_subscriptions')
@patch('mod.network_function.NetworkFunction.set_nf_model_params')
@patch('mod.pmsh_config.AppConfig.get_from_topic')
def test_process_aai_update_events(self, mr_aai_mock, mock_set_sdnc_params, mock_apply_nfs):
mock_set_sdnc_params.return_value = True
mr_aai_mock.return_value = self.mr_aai_events
aai_handler = AAIEventHandler(self.app)
aai_handler.execute()
self.assertEqual(mock_apply_nfs.call_count, 1)
@patch('mod.pmsh_config.AppConfig.publish_to_topic', MagicMock(return_value=None))
@patch('mod.api.services.subscription_service.apply_measurement_grp_to_nfs')
@patch('mod.network_function.NetworkFunction.set_nf_model_params')
@patch('mod.pmsh_config.AppConfig.get_from_topic')
def test_process_aai_apply_nfs_to_subscriptions(self, mr_aai_mock, mock_set_sdnc_params,
apply_nfs_to_measure_grp):
mock_set_sdnc_params.return_value = True
mr_aai_mock.return_value = self.mr_aai_events
nf_to_subscription = create_subscription_data('nf_to_subscription')
nf_to_subscription.measurement_groups[0].measurement_group_name = 'NF_MG_ONE'
nf_to_subscription.measurement_groups[1].measurement_group_name = 'NF_MG_TWO'
db.session.add(nf_to_subscription)
db.session.add(nf_to_subscription.measurement_groups[0])
db.session.add(nf_to_subscription.network_filter)
db.session.commit()
aai_handler = AAIEventHandler(self.app)
aai_handler.execute()
self.assertEqual(apply_nfs_to_measure_grp.call_count, 2)
@patch('mod.pmsh_config.AppConfig.publish_to_topic', MagicMock(return_value=None))
@patch('mod.api.services.subscription_service.apply_measurement_grp_to_nfs')
@patch('mod.network_function.NetworkFunction.set_nf_model_params')
@patch('mod.logger.error')
@patch('mod.pmsh_config.AppConfig.get_from_topic')
def test_process_aai_apply_msg_failure(self, mr_aai_mock, mock_logger, mock_set_sdnc_params,
apply_nfs_to_measure_grp):
mock_set_sdnc_params.return_value = True
mr_aai_mock.return_value = self.mr_aai_events
apply_nfs_to_measure_grp.side_effect = Exception("publish failed")
aai_handler = AAIEventHandler(self.app)
aai_handler.execute()
mock_logger.assert_called_with('Failed to process AAI event for '
'subscription: aai_event_handler '
'due to: publish failed')
@patch('mod.pmsh_config.AppConfig.publish_to_topic', MagicMock(return_value=None))
@patch('mod.network_function.NetworkFunction.set_nf_model_params')
@patch('mod.logger.error')
@patch('mod.pmsh_config.AppConfig.get_from_topic')
def test_process_aai__failure(self, mr_aai_mock, mock_logger, mock_set_sdnc_params):
mock_set_sdnc_params.return_value = True
mr_aai_mock.side_effect = Exception("AAI failure")
aai_handler = AAIEventHandler(self.app)
aai_handler.execute()
mock_logger.assert_called_with('Failed to process AAI event due to: AAI failure')
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