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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=====================================================
from unittest.mock import patch, MagicMock
from mod import db
from mod.network_function import NetworkFunction
from mod.policy_response_handler import PolicyResponseHandler, policy_response_handle_functions
from mod.subscription import AdministrativeState, SubNfState
from tests.base_setup import BaseClassSetup, create_subscription_data
class PolicyResponseHandlerTest(BaseClassSetup):
@classmethod
def setUpClass(cls):
super().setUpClass()
@patch('mod.create_app')
def setUp(self, mock_app):
super().setUp()
super().setUpAppConf()
self.nf = NetworkFunction(nf_name='nf1')
self.policy_response_handler = PolicyResponseHandler(mock_app)
def tearDown(self):
super().tearDown()
@classmethod
def tearDownClass(cls):
super().tearDownClass()
@patch('mod.network_function.NetworkFunction.delete')
def test_handle_response_locked_success(self, mock_delete):
with patch.dict(policy_response_handle_functions,
{AdministrativeState.LOCKED.value: {'success': mock_delete}}):
self.policy_response_handler._handle_response(
'msr_grp_name',
AdministrativeState.LOCKED.value,
self.nf.nf_name, 'success')
mock_delete.assert_called()
@patch('mod.api.services.measurement_group_service.update_measurement_group_nf_status')
def test_handle_response_locked_failed(self, mock_update_sub_nf):
with patch.dict(policy_response_handle_functions,
{AdministrativeState.LOCKED.value: {'failed': mock_update_sub_nf}}):
self.policy_response_handler._handle_response(
'msr_grp_name',
AdministrativeState.LOCKED.value,
self.nf.nf_name, 'failed')
mock_update_sub_nf.assert_called_with(
measurement_group_name='msr_grp_name',
status=SubNfState.DELETE_FAILED.value, nf_name=self.nf.nf_name)
@patch('mod.network_function.NetworkFunction.delete')
def test_handle_response_locking_success(self, mock_delete):
with patch.dict(policy_response_handle_functions,
{AdministrativeState.LOCKING.value: {'success': mock_delete}}):
self.policy_response_handler._handle_response(
'msr_grp_name',
AdministrativeState.LOCKING.value,
self.nf.nf_name, 'success')
mock_delete.assert_called()
@patch('mod.api.services.measurement_group_service.update_measurement_group_nf_status')
def test_handle_response_locking_failed(self, mock_update_sub_nf):
with patch.dict(policy_response_handle_functions,
{AdministrativeState.LOCKING.value: {'failed': mock_update_sub_nf}}):
self.policy_response_handler._handle_response(
'msr_grp_name',
AdministrativeState.LOCKING.value,
self.nf.nf_name, 'failed')
mock_update_sub_nf.assert_called_with(
measurement_group_name='msr_grp_name',
status=SubNfState.DELETE_FAILED.value, nf_name=self.nf.nf_name)
@patch('mod.api.services.measurement_group_service.update_measurement_group_nf_status')
def test_handle_response_unlocked_success(self, mock_update_sub_nf):
with patch.dict(policy_response_handle_functions,
{AdministrativeState.UNLOCKED.value: {'success': mock_update_sub_nf}}):
self.policy_response_handler._handle_response(
'msr_grp_name',
AdministrativeState.UNLOCKED.value,
self.nf.nf_name, 'success')
mock_update_sub_nf.assert_called_with(
measurement_group_name='msr_grp_name',
status=SubNfState.CREATED.value, nf_name=self.nf.nf_name)
@patch('mod.api.services.measurement_group_service.update_measurement_group_nf_status')
def test_handle_response_unlocked_failed(self, mock_update_sub_nf):
with patch.dict(policy_response_handle_functions,
{AdministrativeState.UNLOCKED.value: {'failed': mock_update_sub_nf}}):
self.policy_response_handler._handle_response(
'msr_grp_name',
AdministrativeState.UNLOCKED.value,
self.nf.nf_name, 'failed')
mock_update_sub_nf.assert_called_with(
measurement_group_name='msr_grp_name',
status=SubNfState.CREATE_FAILED.value, nf_name=self.nf.nf_name)
def test_handle_response_exception(self):
self.assertRaises(Exception, self.policy_response_handler._handle_response, 'sub1',
'wrong_state', 'nf1', 'wrong_message')
@patch('mod.policy_response_handler.PolicyResponseHandler._handle_response')
@patch('mod.pmsh_config.AppConfig.get_from_topic')
def test_poll_policy_topic_calls_methods_correct_mg(self, mock_policy_mr_sub,
mock_handle_response):
response_data = ['{"name": "ResponseEvent","status": { "subscriptionName": '
'"ExtraPM-All-gNB-R2B2", "nfName": "pnf300", "message": "success", '
'"measurementGroupName":"MG1"} }']
mock_policy_mr_sub.return_value = response_data
sub_model = create_subscription_data('ExtraPM-All-gNB-R2B2')
db.session.add(sub_model)
db.session.commit()
self.policy_response_handler.poll_policy_topic()
mock_handle_response.assert_called_with("MG1",
AdministrativeState.UNLOCKED.value, 'pnf300',
'success')
@patch('mod.policy_response_handler.PolicyResponseHandler._handle_response')
@patch('mod.pmsh_config.AppConfig.get_from_topic')
def test_poll_policy_topic_no_method_calls_unavailable_mg(self, mock_policy_mr_sub,
mock_handle_response):
response_data = ['{"name": "ResponseEvent","status": { "subscriptionName": '
'"Different_Subscription", "nfName": "pnf300", "message": "success",'
'"measurementGroupName":"msr_grp_name" } }']
mock_policy_mr_sub.return_value = response_data
self.policy_response_handler.poll_policy_topic()
mock_handle_response.assert_not_called()
@patch('mod.pmsh_config.AppConfig.get_from_topic', MagicMock(return_value='wrong_return'))
@patch('mod.logger.error')
def test_poll_policy_topic_exception(self, mock_logger):
self.policy_response_handler.poll_policy_topic()
mock_logger.assert_called()
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