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# ============LICENSE_START===================================================
# Copyright (C) 2020-2021 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, Mock, MagicMock
from mod.api.db_models import NetworkFunctionModel
from mod.network_function import NetworkFunction
from mod.subscription import AdministrativeState
from mod.subscription_handler import SubscriptionHandler
from tests.base_setup import BaseClassSetup, get_pmsh_config
class SubscriptionHandlerTest(BaseClassSetup):
nfs = [
NetworkFunction(nf_name='pnf_1', model_invariant_id='some-id', model_version_id='some-id'),
NetworkFunction(nf_name='pnf_2', model_invariant_id='some-id', model_version_id='some-id')]
@classmethod
def setUpClass(cls):
super().setUpClass()
@patch('mod.pmsh_utils._MrSub')
@patch('mod.pmsh_utils._MrPub')
def setUp(self, mock_mr_pub, mock_mr_sub):
super().setUp()
self.mock_mr_pub = mock_mr_pub
self.mock_mr_sub = mock_mr_sub
self.mock_policy_event_thread = Mock()
def tearDown(self):
super().tearDown()
@classmethod
def tearDownClass(cls):
super().tearDownClass()
@patch('mod.pmsh_utils.AppConfig.refresh_config', MagicMock(return_value=get_pmsh_config()))
@patch('mod.subscription.Subscription.get_local_sub_admin_state')
@patch('mod.logger.info')
@patch('mod.aai_client.get_pmsh_nfs_from_aai')
def test_execute_no_change_of_state(self, mock_get_aai, mock_logger, mock_get_sub_status):
mock_get_sub_status.return_value = AdministrativeState.UNLOCKED.value
mock_get_aai.return_value = self.nfs
sub_handler = SubscriptionHandler(self.mock_mr_pub,
self.mock_mr_sub, self.app, self.app_conf)
sub_handler.execute()
mock_logger.assert_called_with('Administrative State did not change '
'in the app config: UNLOCKED')
@patch('mod.subscription_handler.SubscriptionHandler._start_aai_event_thread',
MagicMock())
@patch('mod.pmsh_utils.AppConfig.refresh_config', MagicMock(return_value=get_pmsh_config()))
@patch('mod.subscription.Subscription.get_local_sub_admin_state')
@patch('mod.subscription.Subscription.create_subscription_on_nfs')
@patch('mod.aai_client.get_pmsh_nfs_from_aai')
def test_execute_change_of_state_to_unlocked(self, mock_get_aai, mock_activate_sub,
mock_get_sub_status):
mock_get_aai.return_value = self.nfs
mock_get_sub_status.return_value = AdministrativeState.LOCKED.value
sub_handler = SubscriptionHandler(self.mock_mr_pub, self.mock_mr_sub, self.app,
self.app_conf)
sub_handler.execute()
self.assertEqual(AdministrativeState.UNLOCKED.value,
self.app_conf.subscription.administrativeState)
mock_activate_sub.assert_called_with(self.nfs, self.mock_mr_pub, self.app_conf)
@patch('mod.subscription.Subscription.get_network_functions', MagicMock(return_value=nfs))
@patch('mod.pmsh_utils.AppConfig.refresh_config', MagicMock(return_value=get_pmsh_config()))
@patch('mod.subscription.Subscription.get_local_sub_admin_state')
@patch('mod.subscription.Subscription.delete_subscription_from_nfs')
def test_execute_change_of_state_to_locked(self, mock_deactivate_sub, mock_get_sub_status):
mock_get_sub_status.return_value = AdministrativeState.UNLOCKED.value
self.app_conf.subscription.administrativeState = AdministrativeState.LOCKED.value
self.app_conf.subscription.update_subscription_status()
sub_handler = SubscriptionHandler(self.mock_mr_pub, self.mock_mr_sub, self.app,
self.app_conf)
sub_handler.execute()
mock_deactivate_sub.assert_called_with(self.nfs, self.mock_mr_pub, self.app_conf)
@patch('mod.subscription_handler.SubscriptionHandler._start_aai_event_thread', MagicMock())
@patch('mod.pmsh_utils.AppConfig.refresh_config', MagicMock(return_value=get_pmsh_config()))
@patch('mod.subscription.Subscription.create_subscription_on_nfs')
@patch('mod.logger.error')
@patch('mod.aai_client.get_pmsh_nfs_from_aai')
def test_execute_exception(self, mock_get_aai, mock_logger, mock_activate_sub):
mock_get_aai.return_value = self.nfs
mock_activate_sub.side_effect = Exception
sub_handler = SubscriptionHandler(self.mock_mr_pub, self.mock_mr_sub, self.app,
self.app_conf)
sub_handler.execute()
mock_logger.assert_called_with('Error occurred during the activation/deactivation process ',
exc_info=True)
@patch('mod.network_function.NetworkFunction.get',
MagicMock(return_value=NetworkFunctionModel(nf_name='pnf_1',
model_invariant_id='some-id',
model_version_id='some-id',
ip_address='ip_address',
model_name='model_name',
sdnc_model_name='sdnc_model_name',
sdnc_model_version='sdnc_model_version')))
@patch('mod.subscription.Subscription.get_delete_failed_nfs', MagicMock(return_value=nfs))
@patch('mod.subscription.Subscription.get_network_functions', MagicMock(return_value=nfs))
@patch('mod.pmsh_utils.AppConfig.refresh_config', MagicMock(return_value=get_pmsh_config()))
@patch('mod.subscription.Subscription.get_local_sub_admin_state')
@patch('mod.subscription.Subscription.delete_subscription_from_nfs')
@patch('mod.network_function.NetworkFunction.increment_retry_count')
def test_execute_change_of_state_to_locking_retry_delete(self, mock_retry_inc, mock_delete_sub,
mock_get_sub_status):
mock_get_sub_status.return_value = AdministrativeState.LOCKING.value
sub_handler = SubscriptionHandler(self.mock_mr_pub, self.mock_mr_sub, self.app,
self.app_conf)
sub_handler.execute()
self.assertEqual(mock_delete_sub.call_count, 2)
self.assertEqual(mock_retry_inc.call_count, 2)
@patch('mod.subscription.Subscription.get_delete_failed_nfs', MagicMock(return_value=[]))
@patch('mod.subscription.Subscription.get_network_functions', MagicMock(return_value=nfs))
@patch('mod.pmsh_utils.AppConfig.refresh_config', MagicMock(return_value=get_pmsh_config()))
@patch('mod.subscription.Subscription.get_local_sub_admin_state')
@patch('mod.subscription.Subscription.update_subscription_status')
def test_execute_change_of_state_to_locking_success(self, mock_update_sub,
mock_get_sub_status):
mock_get_sub_status.return_value = AdministrativeState.LOCKING.value
sub_handler = SubscriptionHandler(self.mock_mr_pub, self.mock_mr_sub, self.app,
self.app_conf)
sub_handler.execute()
mock_update_sub.assert_called_once()
@patch('mod.network_function.NetworkFunction.get',
MagicMock(return_value=NetworkFunctionModel(nf_name='pnf_1',
model_invariant_id='some-id',
model_version_id='some-id',
ip_address='ip_address',
model_name='model_name',
sdnc_model_name='sdnc_model_name',
sdnc_model_version='sdnc_model_version',
retry_count=3)))
@patch('mod.subscription.Subscription.get_delete_failed_nfs', MagicMock(return_value=[nfs[0]]))
@patch('mod.subscription.Subscription.get_network_functions', MagicMock(return_value=nfs[0]))
@patch('mod.pmsh_utils.AppConfig.refresh_config', MagicMock(return_value=get_pmsh_config()))
@patch('mod.subscription.Subscription.get_local_sub_admin_state')
@patch('mod.network_function.NetworkFunction.delete')
def test_execute_change_of_state_to_locking_retry_failed(self, mock_nf_del,
mock_get_sub_status):
mock_get_sub_status.return_value = AdministrativeState.LOCKING.value
sub_handler = SubscriptionHandler(self.mock_mr_pub, self.mock_mr_sub, self.app,
self.app_conf)
sub_handler.execute()
mock_nf_del.assert_called_once()
@patch('mod.pmsh_utils.AppConfig._get_pmsh_config',
MagicMock(return_value=get_pmsh_config('data/cbs_invalid_data.json')))
@patch('mod.subscription_handler.SubscriptionHandler._check_state_change')
def test_execute_invalid_schema(self, mock_change_state_check):
sub_handler = SubscriptionHandler(self.mock_mr_pub, self.mock_mr_sub, self.app,
self.app_conf)
sub_handler.execute()
mock_change_state_check.assert_not_called()
@patch('mod.pmsh_utils.AppConfig._get_pmsh_config',
MagicMock(return_value=get_pmsh_config()))
@patch('mod.subscription_handler.SubscriptionHandler._check_state_change')
def test_execute_valid_schema(self, mock_change_state_check):
sub_handler = SubscriptionHandler(self.mock_mr_pub, self.mock_mr_sub, self.app,
self.app_conf)
sub_handler.execute()
mock_change_state_check.assert_called_once()
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