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# ============LICENSE_START===================================================
# Copyright (C) 2021-2022 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 json
import os
from unittest.mock import patch
from mod.api.custom_exception import InvalidDataException, DataConflictException
from mod.api.services.measurement_group_service import MgNfState
from mod.network_function import NetworkFunction, NetworkFunctionFilter
from mod.pmsh_config import AppConfig
from mod import db, aai_client
from tests.base_setup import BaseClassSetup, create_subscription_data, \
create_multiple_network_function_data
from mod.api.services import measurement_group_service, nf_service
from mod.api.db_models import MeasurementGroupModel, NfMeasureGroupRelationalModel, \
SubscriptionModel, NetworkFunctionModel
class MeasurementGroupServiceTestCase(BaseClassSetup):
def setUp(self):
super().setUp()
with open(os.path.join(os.path.dirname(__file__),
'../data/create_subscription_request.json'), 'r') as data:
self.subscription_request = data.read()
with open(os.path.join(os.path.dirname(__file__), '../data/aai_xnfs.json'), 'r') as data:
self.aai_response_data = data.read()
with open(os.path.join(os.path.dirname(__file__), '../data/aai_model_info.json'),
'r') as data:
self.good_model_info = data.read()
@patch.object(AppConfig, 'publish_to_topic')
def test_publish_measurement_group(self, mock_mr):
super().setUp()
nf_1 = 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_other_id'},
sdnc_model_name='blah',
sdnc_model_version=1.0, )
measurement_grp = MeasurementGroupModel('sub_publish',
'msg_publish', 'UNLOCKED',
15, 'pm.xml', [{"measurementType": "counter_a"}],
[{"DN": "string"}])
sub_model = SubscriptionModel('sub_publish', 'pmsh-operational-policy',
'pmsh-control-loop', 'LOCKED')
measurement_group_service.publish_measurement_group(
sub_model, measurement_grp, nf_1, 'CREATE')
mock_mr.assert_called_once_with('policy_pm_publisher',
{'nfName': 'pnf_1',
'ipAddress': '2001:db8:3333:4444:5555:6666:7777:8888',
'blueprintName': 'blah',
'blueprintVersion': 1.0,
'operationalPolicyName': 'pmsh-operational-policy',
'changeType': 'CREATE',
'controlLoopName': 'pmsh-control-loop',
'subscription':
{'administrativeState': 'UNLOCKED',
'subscriptionName': 'sub_publish',
'fileBasedGP': 15,
'fileLocation': 'pm.xml',
'measurementGroup':
{'measurementGroupName': 'msg_publish',
'measurementTypes':
[{"measurementType": "counter_a"}],
'managedObjectDNsBasic': [{"DN": "string"}]}}})
def test_save_measurement_group(self):
subscription = json.loads(self.subscription_request)['subscription']
mes_grp = subscription['measurementGroups'][0]['measurementGroup']
measurement_group_service.save_measurement_group(mes_grp, "ExtraPM-All-gNB-R2B")
db.session.commit()
measurement_grp = (MeasurementGroupModel.query.filter(
MeasurementGroupModel.measurement_group_name == mes_grp['measurementGroupName'],
MeasurementGroupModel.subscription_name == 'ExtraPM-All-gNB-R2B').one_or_none())
self.assertIsNotNone(measurement_grp)
def test_apply_nf_to_measurement_group_status(self):
measurement_group_service.apply_nf_status_to_measurement_group(
"pnf_test", "measure_grp_name", MgNfState.PENDING_CREATE.value)
db.session.commit()
measurement_grp_rel = (NfMeasureGroupRelationalModel.query.filter(
NfMeasureGroupRelationalModel.measurement_grp_name == 'measure_grp_name',
NfMeasureGroupRelationalModel.nf_name == 'pnf_test').one_or_none())
self.assertIsNotNone(measurement_grp_rel)
self.assertEqual(measurement_grp_rel.nf_measure_grp_status,
MgNfState.PENDING_CREATE.value)
def test_update_measurement_group_nf_status(self):
measurement_group_service.apply_nf_status_to_measurement_group(
"pnf_test", "measure_grp_name", MgNfState.PENDING_CREATE.value)
measurement_group_service.update_measurement_group_nf_status(
"measure_grp_name", MgNfState.CREATED.value, "pnf_test")
db.session.commit()
measurement_grp_rel = (NfMeasureGroupRelationalModel.query.filter(
NfMeasureGroupRelationalModel.measurement_grp_name == 'measure_grp_name',
NfMeasureGroupRelationalModel.nf_name == 'pnf_test').one_or_none())
self.assertIsNotNone(measurement_grp_rel)
self.assertEqual(measurement_grp_rel.nf_measure_grp_status,
MgNfState.CREATED.value)
def test_delete_nf_to_measurement_group_without_nf_delete(self):
nf = NetworkFunction(nf_name='pnf_test1')
nf_service.save_nf(nf)
db.session.commit()
measurement_group_service.apply_nf_status_to_measurement_group(
"pnf_test1", "measure_grp_name1", MgNfState.PENDING_CREATE.value)
measurement_group_service.apply_nf_status_to_measurement_group(
"pnf_test1", "measure_grp_name2", MgNfState.PENDING_CREATE.value)
measurement_group_service.delete_nf_to_measurement_group(
"pnf_test1", "measure_grp_name1", MgNfState.DELETED.value)
measurement_grp_rel = (NfMeasureGroupRelationalModel.query.filter(
NfMeasureGroupRelationalModel.measurement_grp_name == 'measure_grp_name1',
NfMeasureGroupRelationalModel.nf_name == 'pnf_test1').one_or_none())
self.assertIsNone(measurement_grp_rel)
network_function = (NetworkFunctionModel.query.filter(
NetworkFunctionModel.nf_name == 'pnf_test1').one_or_none())
self.assertIsNotNone(network_function)
def test_delete_nf_to_measurement_group_with_nf_delete(self):
nf = NetworkFunction(nf_name='pnf_test2')
nf_service.save_nf(nf)
db.session.commit()
measurement_group_service.apply_nf_status_to_measurement_group(
"pnf_test2", "measure_grp_name2", MgNfState.PENDING_CREATE.value)
measurement_group_service.delete_nf_to_measurement_group(
"pnf_test2", "measure_grp_name2", MgNfState.DELETED.value)
measurement_grp_rel = (NfMeasureGroupRelationalModel.query.filter(
NfMeasureGroupRelationalModel.measurement_grp_name == 'measure_grp_name2',
NfMeasureGroupRelationalModel.nf_name == 'pnf_test2').one_or_none())
self.assertIsNone(measurement_grp_rel)
network_function = (NetworkFunctionModel.query.filter(
NetworkFunctionModel.nf_name == 'pnf_test2').one_or_none())
self.assertIsNone(network_function)
@patch.object(NetworkFunction, 'delete')
@patch('mod.logger.error')
def test_delete_nf_to_measurement_group_failure(self, mock_logger, nf_delete_func):
nf = NetworkFunction(nf_name='pnf_test2')
nf_service.save_nf(nf)
db.session.commit()
measurement_group_service.apply_nf_status_to_measurement_group(
"pnf_test2", "measure_grp_name2", MgNfState.PENDING_CREATE.value)
nf_delete_func.side_effect = Exception('delete failed')
measurement_group_service.delete_nf_to_measurement_group(
"pnf_test2", "measure_grp_name2", MgNfState.DELETED.value)
measurement_grp_rel = (NfMeasureGroupRelationalModel.query.filter(
NfMeasureGroupRelationalModel.measurement_grp_name == 'measure_grp_name2',
NfMeasureGroupRelationalModel.nf_name == 'pnf_test2').one_or_none())
self.assertIsNone(measurement_grp_rel)
network_function = (NetworkFunctionModel.query.filter(
NetworkFunctionModel.nf_name == 'pnf_test2').one_or_none())
self.assertIsNotNone(network_function)
mock_logger.assert_called_with('Failed to delete nf: pnf_test2 for '
'measurement group: measure_grp_name2 due to: delete failed')
@patch.object(db.session, 'commit')
@patch('mod.logger.error')
def test_update_nf_to_measurement_group_failure(self, mock_logger, db_commit_call):
db_commit_call.side_effect = Exception('update failed')
measurement_group_service.update_measurement_group_nf_status(
"measure_grp_name2", MgNfState.CREATE_FAILED.value, "pnf_test2")
mock_logger.assert_called_with('Failed to update nf: pnf_test2 for '
'measurement group: measure_grp_name2 due to: update failed')
def create_test_subs(self, new_sub_name, new_msrmt_grp_name):
subscription = self.subscription_request.replace('ExtraPM-All-gNB-R2B', new_sub_name)
subscription = subscription.replace('msrmt_grp_name', new_msrmt_grp_name)
return subscription
def test_update_admin_status_to_locking(self):
super().setUp()
sub = create_subscription_data('sub')
nf_list = create_multiple_network_function_data(['pnf_101', 'pnf_102'])
db.session.add(sub)
for nf in nf_list:
nf_service.save_nf(nf)
measurement_group_service. \
apply_nf_status_to_measurement_group(nf.nf_name, sub.measurement_groups[0].
measurement_group_name,
MgNfState.CREATED.value)
db.session.commit()
measurement_group_service.update_admin_status(sub.measurement_groups[0], 'LOCKED')
meas_grp = measurement_group_service.query_meas_group_by_name('sub', 'MG1')
self.assertEqual(meas_grp.subscription_name, 'sub')
self.assertEqual(meas_grp.measurement_group_name, 'MG1')
self.assertEqual(meas_grp.administrative_state, 'LOCKING')
meas_group_nfs = db.session.query(NfMeasureGroupRelationalModel).filter(
NfMeasureGroupRelationalModel.measurement_grp_name == meas_grp.measurement_group_name)\
.all()
for nf in meas_group_nfs:
self.assertEqual(nf.nf_measure_grp_status, MgNfState.PENDING_DELETE.value)
def test_update_admin_status_to_locked(self):
super().setUp()
sub = create_subscription_data('sub')
db.session.add(sub)
measurement_group_service.update_admin_status(sub.measurement_groups[0], 'LOCKED')
meas_grp = measurement_group_service.query_meas_group_by_name('sub', 'MG1')
self.assertEqual(meas_grp.subscription_name, 'sub')
self.assertEqual(meas_grp.measurement_group_name, 'MG1')
self.assertEqual(meas_grp.administrative_state, 'LOCKED')
@patch.object(aai_client, '_get_all_aai_nf_data')
@patch.object(aai_client, 'get_aai_model_data')
@patch.object(NetworkFunctionFilter, 'get_network_function_filter')
def test_update_admin_status_to_unlocked_with_no_nfs(self, mock_filter_call,
mock_model_aai, mock_aai):
mock_aai.return_value = json.loads(self.aai_response_data)
mock_model_aai.return_value = json.loads(self.good_model_info)
super().setUp()
sub = create_subscription_data('sub')
sub.nfs = []
db.session.add(sub)
db.session.commit()
mock_filter_call.return_value = NetworkFunctionFilter.get_network_function_filter('sub')
measurement_group_service.update_admin_status(sub.measurement_groups[1], 'UNLOCKED')
meas_grp = measurement_group_service.query_meas_group_by_name('sub', 'MG2')
self.assertEqual(meas_grp.subscription_name, 'sub')
self.assertEqual(meas_grp.measurement_group_name, 'MG2')
self.assertEqual(meas_grp.administrative_state, 'UNLOCKED')
meas_group_nfs = db.session.query(NfMeasureGroupRelationalModel).filter(
NfMeasureGroupRelationalModel.measurement_grp_name == meas_grp.measurement_group_name)\
.all()
for nf in meas_group_nfs:
self.assertEqual(nf.nf_measure_grp_status, MgNfState.PENDING_CREATE.value)
@patch.object(aai_client, '_get_all_aai_nf_data')
@patch.object(aai_client, 'get_aai_model_data')
@patch.object(NetworkFunctionFilter, 'get_network_function_filter')
def test_update_admin_status_to_unlocking(self, mock_filter_call,
mock_model_aai, mock_aai):
mock_aai.return_value = json.loads(self.aai_response_data)
mock_model_aai.return_value = json.loads(self.good_model_info)
super().setUp()
sub = create_subscription_data('sub')
db.session.add(sub)
db.session.commit()
mock_filter_call.return_value = NetworkFunctionFilter.get_network_function_filter('sub')
measurement_group_service.update_admin_status(sub.measurement_groups[1], 'UNLOCKED')
meas_grp = measurement_group_service.query_meas_group_by_name('sub', 'MG2')
self.assertEqual(meas_grp.subscription_name, 'sub')
self.assertEqual(meas_grp.measurement_group_name, 'MG2')
self.assertEqual(meas_grp.administrative_state, 'UNLOCKED')
meas_group_nfs = db.session.query(NfMeasureGroupRelationalModel).filter(
NfMeasureGroupRelationalModel.measurement_grp_name == meas_grp.measurement_group_name)\
.all()
for nf in meas_group_nfs:
self.assertEqual(nf.nf_measure_grp_status, MgNfState.PENDING_CREATE.value)
def test_update_admin_status_for_missing_measurement_group(self):
try:
measurement_group_service.update_admin_status(None, 'UNLOCKED')
except InvalidDataException as e:
self.assertEqual(e.args[0], 'Requested measurement group not available '
'for admin status update')
def test_update_admin_status_for_data_conflict(self):
super().setUp()
sub = create_subscription_data('sub1')
sub.measurement_groups[0].administrative_state = 'LOCKING'
try:
measurement_group_service.update_admin_status(sub.measurement_groups[0], 'LOCKED')
except DataConflictException as e:
self.assertEqual(e.args[0], 'Cannot update admin status as Locked request'
' is in progress for sub name: sub1 and '
'meas group name: MG1')
def test_update_admin_status_for_same_state(self):
super().setUp()
sub = create_subscription_data('sub1')
try:
measurement_group_service.update_admin_status(sub.measurement_groups[0], 'UNLOCKED')
except InvalidDataException as e:
self.assertEqual(e.args[0], 'Measurement group is already in UNLOCKED '
'state for sub name: sub1 and meas group '
'name: MG1')
def test_lock_nf_to_meas_grp_for_locking_with_LOCKED_update(self):
sub = create_subscription_data('sub')
sub.measurement_groups[1].administrative_state = 'LOCKING'
nf_list = create_multiple_network_function_data(['pnf_101'])
db.session.add(sub)
for nf in nf_list:
nf_service.save_nf(nf)
measurement_group_service. \
apply_nf_status_to_measurement_group(nf.nf_name, sub.measurement_groups[1].
measurement_group_name,
MgNfState.PENDING_DELETE.value)
db.session.commit()
measurement_group_service.lock_nf_to_meas_grp(
"pnf_101", "MG2", MgNfState.DELETED.value)
measurement_grp_rel = (NfMeasureGroupRelationalModel.query.filter(
NfMeasureGroupRelationalModel.measurement_grp_name == 'MG2',
NfMeasureGroupRelationalModel.nf_name == 'pnf_101').one_or_none())
self.assertIsNone(measurement_grp_rel)
network_function = (NetworkFunctionModel.query.filter(
NetworkFunctionModel.nf_name == 'pnf_101').one_or_none())
self.assertIsNone(network_function)
meas_grp = measurement_group_service.query_meas_group_by_name('sub', 'MG2')
self.assertEqual(meas_grp.subscription_name, 'sub')
self.assertEqual(meas_grp.measurement_group_name, 'MG2')
self.assertEqual(meas_grp.administrative_state, 'LOCKED')
def test_lock_nf_to_meas_grp_with_no_LOCKED_update(self):
sub = create_subscription_data('sub')
sub.measurement_groups[1].administrative_state = 'LOCKING'
nf_list = create_multiple_network_function_data(['pnf_101', 'pnf_102'])
db.session.add(sub)
for nf in nf_list:
nf_service.save_nf(nf)
measurement_group_service. \
apply_nf_status_to_measurement_group(nf.nf_name, sub.measurement_groups[1].
measurement_group_name,
MgNfState.PENDING_DELETE.value)
db.session.commit()
measurement_group_service.lock_nf_to_meas_grp(
"pnf_101", "MG2", MgNfState.DELETED.value)
measurement_grp_rel = (NfMeasureGroupRelationalModel.query.filter(
NfMeasureGroupRelationalModel.measurement_grp_name == 'MG2',
NfMeasureGroupRelationalModel.nf_name == 'pnf_101').one_or_none())
self.assertIsNone(measurement_grp_rel)
network_function = (NetworkFunctionModel.query.filter(
NetworkFunctionModel.nf_name == 'pnf_101').one_or_none())
self.assertIsNone(network_function)
meas_grp = measurement_group_service.query_meas_group_by_name('sub', 'MG2')
self.assertEqual(meas_grp.subscription_name, 'sub')
self.assertEqual(meas_grp.measurement_group_name, 'MG2')
self.assertEqual(meas_grp.administrative_state, 'LOCKING')
def test_filter_nf_to_meas_grp_for_delete(self):
sub = create_subscription_data('sub')
db.session.add(sub)
nf = NetworkFunction(nf_name='pnf_test2')
nf_service.save_nf(nf)
measurement_group_service.apply_nf_status_to_measurement_group(
"pnf_test2", "MG2", MgNfState.PENDING_DELETE.value)
db.session.commit()
measurement_group_service.filter_nf_to_meas_grp(
"pnf_test2", "MG2", MgNfState.DELETED.value)
measurement_grp_rel = (NfMeasureGroupRelationalModel.query.filter(
NfMeasureGroupRelationalModel.measurement_grp_name == 'MG2',
NfMeasureGroupRelationalModel.nf_name == 'pnf_test2').one_or_none())
self.assertIsNone(measurement_grp_rel)
network_function = (NetworkFunctionModel.query.filter(
NetworkFunctionModel.nf_name == 'pnf_test2').one_or_none())
self.assertIsNone(network_function)
meas_grp = measurement_group_service.query_meas_group_by_name('sub', 'MG2')
self.assertEqual(meas_grp.subscription_name, 'sub')
self.assertEqual(meas_grp.measurement_group_name, 'MG2')
self.assertEqual(meas_grp.administrative_state, 'UNLOCKED')
def test_filter_nf_to_meas_grp_for_create(self):
sub = create_subscription_data('sub')
db.session.add(sub)
nf = NetworkFunction(nf_name='pnf_test2')
nf_service.save_nf(nf)
measurement_group_service.apply_nf_status_to_measurement_group(
"pnf_test2", "MG2", MgNfState.PENDING_CREATE.value)
db.session.commit()
measurement_group_service.filter_nf_to_meas_grp(
"pnf_test2", "MG2", MgNfState.CREATED.value)
measurement_grp_rel = (NfMeasureGroupRelationalModel.query.filter(
NfMeasureGroupRelationalModel.measurement_grp_name == 'MG2',
NfMeasureGroupRelationalModel.nf_name == 'pnf_test2').one_or_none())
self.assertIsNotNone(measurement_grp_rel)
self.assertEqual(measurement_grp_rel.nf_measure_grp_status, 'CREATED')
network_function = (NetworkFunctionModel.query.filter(
NetworkFunctionModel.nf_name == 'pnf_test2').one_or_none())
self.assertIsNotNone(network_function)
meas_grp = measurement_group_service.query_meas_group_by_name('sub', 'MG2')
self.assertEqual(meas_grp.subscription_name, 'sub')
self.assertEqual(meas_grp.measurement_group_name, 'MG2')
self.assertEqual(meas_grp.administrative_state, 'UNLOCKED')
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