components/pm-subscription-handler/tests/test_subscription.py

   1 # ============LICENSE_START===================================================
   2 #  Copyright (C) 2019-2020 Nordix Foundation.
   3 # ============================================================================
   4 # Licensed under the Apache License, Version 2.0 (the "License");
   5 # you may not use this file except in compliance with the License.
   6 # You may obtain a copy of the License at
   7 #
   8 #      http://www.apache.org/licenses/LICENSE-2.0
   9 #
  10 # Unless required by applicable law or agreed to in writing, software
  11 # distributed under the License is distributed on an "AS IS" BASIS,
  12 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13 # See the License for the specific language governing permissions and
  14 # limitations under the License.
  15 #
  16 # SPDX-License-Identifier: Apache-2.0
  17 # ============LICENSE_END=====================================================
  18 import json
  19 import os
  20 from test.support import EnvironmentVarGuard
  21 from unittest import TestCase
  22 from unittest.mock import patch
  23
  24 from requests import Session
  25
  26 import mod.aai_client as aai_client
  27 from mod import db, create_app
  28 from mod.api.db_models import NetworkFunctionModel
  29 from mod.network_function import NetworkFunction
  30 from mod.pmsh_utils import AppConfig
  31 from mod.subscription import Subscription
  32
  33
  34 class SubscriptionTest(TestCase):
  35     @patch('mod.update_logging_config')
  36     @patch('mod.pmsh_utils._MrPub')
  37     @patch('mod.pmsh_utils._MrSub')
  38     @patch('mod.get_db_connection_url')
  39     @patch.object(Session, 'put')
  40     @patch('mod.pmsh_utils.AppConfig._get_pmsh_config')
  41     def setUp(self, mock_get_pmsh_config, mock_session, mock_get_db_url,
  42               mock_mr_sub, mock_mr_pub, mock_update_config):
  43         mock_get_db_url.return_value = 'sqlite://'
  44         with open(os.path.join(os.path.dirname(__file__), 'data/aai_xnfs.json'), 'r') as data:
  45             self.aai_response_data = data.read()
  46         mock_session.return_value.status_code = 200
  47         mock_session.return_value.text = self.aai_response_data
  48         self.env = EnvironmentVarGuard()
  49         self.env.set('AAI_SERVICE_PORT', '8443')
  50         self.env.set('LOGGER_CONFIG', os.path.join(os.path.dirname(__file__), 'log_config.yaml'))
  51         with open(os.path.join(os.path.dirname(__file__), 'data/cbs_data_1.json'), 'r') as data:
  52             self.cbs_data = json.load(data)
  53         mock_get_pmsh_config.return_value = self.cbs_data
  54         self.mock_mr_sub = mock_mr_sub
  55         self.mock_mr_pub = mock_mr_pub
  56         self.app = create_app()
  57         self.app_context = self.app.app_context()
  58         self.app_context.push()
  59         db.create_all()
  60         self.app_conf = AppConfig()
  61         self.xnfs = aai_client.get_pmsh_nfs_from_aai(self.app_conf)
  62         self.sub_model = self.app_conf.subscription.get()
  63
  64     def tearDown(self):
  65         db.drop_all()
  66         db.session.remove()
  67         self.app_context.pop()
  68
  69     def test_xnf_filter_true(self):
  70         self.assertTrue(self.app_conf.nf_filter.is_nf_in_filter('pnf1',
  71                                                                 'Active'))
  72
  73     def test_xnf_filter_false(self):
  74         self.assertFalse(self.app_conf.nf_filter.is_nf_in_filter('PNF-33',
  75                                                                  'Active'))
  76
  77     def test_sub_measurement_group(self):
  78         self.assertEqual(len(self.app_conf.subscription.measurementGroups), 2)
  79
  80     def test_sub_file_location(self):
  81         self.assertEqual(self.app_conf.subscription.fileLocation, '/pm/pm.xml')
  82
  83     def test_get_subscription(self):
  84         sub_name = 'ExtraPM-All-gNB-R2B'
  85         self.app_conf.subscription.create()
  86         new_sub = self.app_conf.subscription.get()
  87         self.assertEqual(sub_name, new_sub.subscription_name)
  88
  89     def test_get_nf_names_per_sub(self):
  90         self.app_conf.subscription.create()
  91         self.app_conf.subscription.add_network_function_to_subscription(list(self.xnfs)[0],
  92                                                                         self.sub_model)
  93         self.app_conf.subscription.add_network_function_to_subscription(list(self.xnfs)[1],
  94                                                                         self.sub_model)
  95         nfs = Subscription.get_nf_names_per_sub(self.app_conf.subscription.subscriptionName)
  96         self.assertEqual(2, len(nfs))
  97
  98     def test_create_existing_subscription(self):
  99         sub1 = self.app_conf.subscription.create()
 100         same_sub1 = self.app_conf.subscription.create()
 101         self.assertEqual(sub1, same_sub1)
 102         self.assertEqual(1, len(self.app_conf.subscription.get_all()))
 103
 104     def test_add_network_functions_per_subscription(self):
 105         for nf in self.xnfs:
 106             self.app_conf.subscription.add_network_function_to_subscription(nf, self.sub_model)
 107         nfs_for_sub_1 = Subscription.get_all_nfs_subscription_relations()
 108         self.assertEqual(3, len(nfs_for_sub_1))
 109         new_nf = NetworkFunction(nf_name='vnf_3', orchestration_status='Active')
 110         self.app_conf.subscription.add_network_function_to_subscription(new_nf, self.sub_model)
 111         nf_subs = Subscription.get_all_nfs_subscription_relations()
 112         self.assertEqual(4, len(nf_subs))
 113
 114     def test_add_duplicate_network_functions_per_subscription(self):
 115         self.app_conf.subscription.add_network_function_to_subscription(list(self.xnfs)[0],
 116                                                                         self.sub_model)
 117         nf_subs = Subscription.get_all_nfs_subscription_relations()
 118         self.assertEqual(1, len(nf_subs))
 119         self.app_conf.subscription.add_network_function_to_subscription(list(self.xnfs)[0],
 120                                                                         self.sub_model)
 121         nf_subs = Subscription.get_all_nfs_subscription_relations()
 122         self.assertEqual(1, len(nf_subs))
 123
 124     def test_update_subscription_status(self):
 125         self.app_conf.subscription.create()
 126         self.app_conf.subscription.administrativeState = 'new_status'
 127         self.app_conf.subscription.update_subscription_status()
 128         sub = self.app_conf.subscription.get()
 129
 130         self.assertEqual('new_status', sub.status)
 131
 132     def test_delete_subscription(self):
 133         for nf in self.xnfs:
 134             self.app_conf.subscription.add_network_function_to_subscription(nf, self.sub_model)
 135         self.app_conf.subscription.delete_subscription()
 136         self.assertEqual(0, len(Subscription.get_all()))
 137         self.assertEqual(None, self.app_conf.subscription.get())
 138         self.assertEqual(0, len(Subscription.get_all_nfs_subscription_relations()))
 139         self.assertEqual(0, len(NetworkFunction.get_all()))
 140         self.assertEqual(None, NetworkFunction.get(nf_name=list(self.xnfs)[0].nf_name))
 141
 142     def test_update_sub_nf_status(self):
 143         sub_name = 'ExtraPM-All-gNB-R2B'
 144         for nf in self.xnfs:
 145             self.app_conf.subscription.add_network_function_to_subscription(nf, self.sub_model)
 146         sub_nfs = Subscription.get_all_nfs_subscription_relations()
 147         self.assertEqual('PENDING_CREATE', sub_nfs[0].nf_sub_status)
 148
 149         Subscription.update_sub_nf_status(sub_name, 'Active', 'pnf_23')
 150         sub_nfs = Subscription.get_all_nfs_subscription_relations()
 151         self.assertEqual('PENDING_CREATE', sub_nfs[0].nf_sub_status)
 152         self.assertEqual('PENDING_CREATE', sub_nfs[1].nf_sub_status)
 153
 154     @patch('mod.subscription.Subscription.add_network_function_to_subscription')
 155     @patch('mod.subscription.Subscription.update_sub_nf_status')
 156     def test_process_activate_subscription(self, mock_update_sub_nf, mock_add_nfs):
 157         self.app_conf.subscription.activate_subscription([list(self.xnfs)[0]], self.mock_mr_pub,
 158                                                          self.app_conf)
 159
 160         mock_add_nfs.assert_called()
 161         self.assertTrue(self.mock_mr_pub.publish_subscription_event_data.called)
 162         mock_update_sub_nf.assert_called_with(self.app_conf.subscription.subscriptionName,
 163                                               'PENDING_CREATE', list(self.xnfs)[0].nf_name)
 164
 165     @patch('mod.subscription.Subscription.get_network_functions')
 166     @patch('mod.subscription.Subscription.update_sub_nf_status')
 167     def test_process_deactivate_subscription(self, mock_update_sub_nf, mock_get_nfs):
 168         self.app_conf.subscription.administrativeState = 'LOCKED'
 169         mock_get_nfs.return_value = [list(self.xnfs)[0]]
 170         self.app_conf.subscription.deactivate_subscription(self.mock_mr_pub, self.app_conf)
 171         self.assertTrue(self.mock_mr_pub.publish_subscription_event_data.called)
 172         mock_update_sub_nf.assert_called_with(self.app_conf.subscription.subscriptionName,
 173                                               'PENDING_DELETE', list(self.xnfs)[0].nf_name)
 174
 175     def test_activate_subscription_exception(self):
 176         self.assertRaises(Exception, self.app_conf.subscription.activate_subscription,
 177                           [list(self.xnfs)[0]], 'not_mr_pub', 'app_config')
 178
 179     def test_prepare_subscription_event(self):
 180         with open(os.path.join(os.path.dirname(__file__),
 181                                'data/pm_subscription_event.json'), 'r') as data:
 182             expected_sub_event = json.load(data)
 183         actual_sub_event = self.app_conf.subscription.prepare_subscription_event('pnf_1',
 184                                                                                  self.app_conf)
 185         self.assertEqual(expected_sub_event, actual_sub_event)
 186
 187     def test_get_nf_models(self):
 188         for nf in self.xnfs:
 189             self.app_conf.subscription.add_network_function_to_subscription(nf, self.sub_model)
 190         nf_models = self.app_conf.subscription._get_nf_models()
 191
 192         self.assertEqual(3, len(nf_models))
 193         self.assertIsInstance(nf_models[0], NetworkFunctionModel)
 194
 195     def test_get_network_functions(self):
 196         for nf in self.xnfs:
 197             self.app_conf.subscription.add_network_function_to_subscription(nf, self.sub_model)
 198         nfs = self.app_conf.subscription.get_network_functions()
 199
 200         self.assertEqual(3, len(nfs))
 201         self.assertIsInstance(nfs[0], NetworkFunction)