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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=====================================================
import json
import os
from unittest.mock import patch, MagicMock
from http import HTTPStatus
from mod import aai_client
from mod.api.controller import status, post_subscription, get_subscription_by_name
from tests.base_setup import BaseClassSetup
from mod.api.db_models import SubscriptionModel, NfMeasureGroupRelationalModel
from mod.subscription import SubNfState
from mod.network_function import NetworkFunctionFilter
from tests.base_setup import subscription_data
class ControllerTestCase(BaseClassSetup):
@classmethod
def setUpClass(cls):
super().setUpClass()
def setUp(self):
super().setUp()
super().setUpAppConf()
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()
with open(os.path.join(os.path.dirname(__file__),
'data/create_subscription_request.json'), 'r') as data:
self.subscription_request = data.read()
def tearDown(self):
super().tearDown()
@classmethod
def tearDownClass(cls):
super().tearDownClass()
def test_status_response_healthy(self):
self.assertEqual(status()['status'], 'healthy')
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
@patch('mod.api.services.subscription_service.save_nf_filter', MagicMock(return_value=None))
@patch('mod.pmsh_config.AppConfig.publish_to_topic', MagicMock(return_value=None))
@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_post_subscription(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)
subscription = self.create_test_subs('xtraPM-All-gNB-R2B-post', 'msrmt_grp_name-post')
subscription = json.loads(subscription)
mock_filter_call.return_value = NetworkFunctionFilter(
**subscription['subscription']["nfFilter"])
sub_name = subscription['subscription']['subscriptionName']
mes_grp = subscription['subscription']['measurementGroups'][0]['measurementGroup']
mes_grp_name = mes_grp['measurementGroupName']
response = post_subscription(subscription)
subscription = (SubscriptionModel.query.filter(
SubscriptionModel.subscription_name == sub_name).one_or_none())
self.assertIsNotNone(subscription)
msr_grp_nf_rel = (NfMeasureGroupRelationalModel.query.filter(
NfMeasureGroupRelationalModel.measurement_grp_name == mes_grp_name)).all()
for published_event in msr_grp_nf_rel:
self.assertEqual(published_event.nf_measure_grp_status,
SubNfState.PENDING_CREATE.value)
self.assertEqual(response[1], 201)
def test_post_subscription_duplicate_sub(self):
# Posting the same subscription request stored in previous test to get duplicate response
response = post_subscription(json.loads(self.subscription_request))
self.assertEqual(response[1], 409)
self.assertEqual(response[0], 'subscription Name: ExtraPM-All-gNB-R2B already exists.')
def test_post_subscription_invalid_filter(self):
subscription = self.create_test_subs('xtraPM-All-gNB-R2B-invalid', 'msrmt_grp_name-invalid')
subscription = json.loads(subscription)
subscription['subscription']['nfFilter']['nfNames'] = []
subscription['subscription']['nfFilter']['modelInvariantIDs'] = []
subscription['subscription']['nfFilter']['modelVersionIDs'] = []
subscription['subscription']['nfFilter']['modelNames'] = []
response = post_subscription(subscription)
self.assertEqual(response[1], 400)
self.assertEqual(response[0], 'At least one filter within nfFilter must not be empty')
def test_post_subscription_missing(self):
subscription = json.loads(self.subscription_request)
subscription['subscription']['subscriptionName'] = ''
response = post_subscription(subscription)
self.assertEqual(response[1], 400)
self.assertEqual(response[0], 'No value provided in subscription name')
@patch('mod.api.services.subscription_service.get_subscription_by_name',
MagicMock(return_value=subscription_data('sub_demo')))
def test_get_subscription_by_name_api(self):
sub, status_code = get_subscription_by_name('sub_demo')
self.assertEqual(status_code, HTTPStatus.OK)
self.assertEqual(sub['subscription']['subscriptionName'], 'sub_demo')
self.assertEqual(sub['subscription']['nfFilter']['nfNames'],
['^pnf.*', '^vnf.*'])
self.assertEqual(sub['subscription']['controlLoopName'],
'pmsh_control_loop_name')
self.assertEqual(len(sub['subscription']['measurementGroups']), 2)
self.assertEqual(sub['subscription']['operationalPolicyName'],
'pmsh_operational_policy')
@patch('mod.api.services.subscription_service.get_subscription_by_name',
MagicMock(return_value=None))
def test_get_subscription_by_name_api_error(self):
sub, status_code = get_subscription_by_name('sub_demo')
self.assertEqual(status_code, HTTPStatus.NOT_FOUND)
self.assertEqual(sub['error'],
'Subscription was not defined with the name : sub_demo')
@patch('mod.api.services.subscription_service.get_subscription_by_name',
MagicMock(side_effect=Exception('something failed')))
def test_get_subscription_by_name_api_exception(self):
sub, status_code = get_subscription_by_name('sub_demo')
self.assertEqual(status_code, HTTPStatus.INTERNAL_SERVER_ERROR)
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