E2Manager/providers/rmrmsghandlerprovider/notification_handler_provider_test.go

   1 //
   2 // Copyright 2019 AT&T Intellectual Property
   3 // Copyright 2019 Nokia
   4 // Copyright (c) 2020 Samsung Electronics Co., Ltd. All Rights Reserved.
   5 //
   6 // Licensed under the Apache License, Version 2.0 (the "License");
   7 // you may not use this file except in compliance with the License.
   8 // You may obtain a copy of the License at
   9 //
  10 //      http://www.apache.org/licenses/LICENSE-2.0
  11 //
  12 // Unless required by applicable law or agreed to in writing, software
  13 // distributed under the License is distributed on an "AS IS" BASIS,
  14 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15 // See the License for the specific language governing permissions and
  16 // limitations under the License.
  17
  18 //  This source code is part of the near-RT RIC (RAN Intelligent Controller)
  19 //  platform project (RICP).
  20
  21 package rmrmsghandlerprovider
  22
  23 import (
  24         "e2mgr/clients"
  25         "e2mgr/configuration"
  26         "e2mgr/converters"
  27         "e2mgr/handlers/rmrmsghandlers"
  28         "e2mgr/logger"
  29         "e2mgr/managers"
  30         "e2mgr/mocks"
  31         "e2mgr/services"
  32         "e2mgr/services/rmrsender"
  33         "e2mgr/tests"
  34         "fmt"
  35         "strings"
  36         "testing"
  37
  38         "e2mgr/rmrCgo"
  39 )
  40
  41 /*
  42  * Verify support for known providers.
  43  */
  44
  45 func initTestCase(t *testing.T) (*logger.Logger, *configuration.Configuration, services.RNibDataService, *rmrsender.RmrSender, managers.IE2TInstancesManager, clients.IRoutingManagerClient, *managers.E2TAssociationManager, managers.IRanConnectStatusChangeManager, managers.RanListManager) {
  46         logger := initLog(t)
  47         config := &configuration.Configuration{RnibRetryIntervalMs: 10, MaxRnibConnectionAttempts: 3, RnibWriter: configuration.RnibWriterConfig{StateChangeMessageChannel: "RAN_CONNECTION_STATUS_CHANGE", RanManipulationMessageChannel: "RAN_MANIPULATION"}}
  48
  49         readerMock := &mocks.RnibReaderMock{}
  50         writerMock := &mocks.RnibWriterMock{}
  51         httpClient := &mocks.HttpClientMock{}
  52
  53         rmrSender := initRmrSender(&mocks.RmrMessengerMock{}, logger)
  54         rnibDataService := services.NewRnibDataService(logger, config, readerMock, writerMock)
  55         e2tInstancesManager := managers.NewE2TInstancesManager(rnibDataService, logger)
  56         routingManagerClient := clients.NewRoutingManagerClient(logger, config, httpClient)
  57         ranListManager := managers.NewRanListManager(logger, rnibDataService)
  58         ranAlarmService := services.NewRanAlarmService(logger, config)
  59         ranConnectStatusChangeManager := managers.NewRanConnectStatusChangeManager(logger, rnibDataService, ranListManager, ranAlarmService)
  60         e2tAssociationManager := managers.NewE2TAssociationManager(logger, rnibDataService, e2tInstancesManager, routingManagerClient, ranConnectStatusChangeManager)
  61
  62         return logger, config, rnibDataService, rmrSender, e2tInstancesManager, routingManagerClient, e2tAssociationManager, ranConnectStatusChangeManager, ranListManager
  63 }
  64
  65 func TestGetNotificationHandlerSuccess(t *testing.T) {
  66
  67         logger, config, rnibDataService, rmrSender, e2tInstancesManager, routingManagerClient, e2tAssociationManager, ranConnectStatusChangeManager, ranListManager := initTestCase(t)
  68
  69         ranDisconnectionManager := managers.NewRanDisconnectionManager(logger, configuration.ParseConfiguration(), rnibDataService, e2tAssociationManager, ranConnectStatusChangeManager)
  70         ranStatusChangeManager := managers.NewRanStatusChangeManager(logger, rmrSender)
  71
  72         x2SetupResponseConverter := converters.NewX2SetupResponseConverter(logger)
  73         x2SetupResponseManager := managers.NewX2SetupResponseManager(x2SetupResponseConverter)
  74
  75         x2SetupFailureResponseConverter := converters.NewX2SetupFailureResponseConverter(logger)
  76         x2SetupFailureResponseManager := managers.NewX2SetupFailureResponseManager(x2SetupFailureResponseConverter)
  77
  78         endcSetupResponseConverter := converters.NewEndcSetupResponseConverter(logger)
  79         endcSetupResponseManager := managers.NewEndcSetupResponseManager(endcSetupResponseConverter)
  80
  81         endcSetupFailureResponseConverter := converters.NewEndcSetupFailureResponseConverter(logger)
  82         endcSetupFailureResponseManager := managers.NewEndcSetupFailureResponseManager(endcSetupFailureResponseConverter)
  83
  84         var testCases = []struct {
  85                 msgType int
  86                 handler rmrmsghandlers.NotificationHandler
  87         }{
  88                 {rmrCgo.RIC_X2_SETUP_RESP, rmrmsghandlers.NewSetupResponseNotificationHandler(logger, rnibDataService, x2SetupResponseManager, ranStatusChangeManager, rmrCgo.RIC_X2_SETUP_RESP)},
  89                 {rmrCgo.RIC_X2_SETUP_FAILURE, rmrmsghandlers.NewSetupResponseNotificationHandler(logger, rnibDataService, x2SetupFailureResponseManager, ranStatusChangeManager, rmrCgo.RIC_X2_SETUP_FAILURE)},
  90                 {rmrCgo.RIC_ENDC_X2_SETUP_RESP, rmrmsghandlers.NewSetupResponseNotificationHandler(logger, rnibDataService, endcSetupResponseManager, ranStatusChangeManager, rmrCgo.RIC_ENDC_X2_SETUP_RESP)},
  91                 {rmrCgo.RIC_ENDC_X2_SETUP_FAILURE, rmrmsghandlers.NewSetupResponseNotificationHandler(logger, rnibDataService, endcSetupFailureResponseManager, ranStatusChangeManager, rmrCgo.RIC_ENDC_X2_SETUP_FAILURE)},
  92                 {rmrCgo.RIC_SCTP_CONNECTION_FAILURE, rmrmsghandlers.NewRanLostConnectionHandler(logger, ranDisconnectionManager)},
  93                 //{rmrCgo.RIC_ENB_LOAD_INFORMATION, rmrmsghandlers.NewEnbLoadInformationNotificationHandler(logger, rnibDataService, converters.NewEnbLoadInformationExtractor(logger))},
  94                 {rmrCgo.RIC_ENB_CONF_UPDATE, rmrmsghandlers.NewX2EnbConfigurationUpdateHandler(logger, rmrSender)},
  95                 {rmrCgo.RIC_ENDC_CONF_UPDATE, rmrmsghandlers.NewEndcConfigurationUpdateHandler(logger, rmrSender)},
  96                 {rmrCgo.RIC_E2_TERM_INIT, rmrmsghandlers.NewE2TermInitNotificationHandler(logger, ranDisconnectionManager, e2tInstancesManager, routingManagerClient)},
  97                 {rmrCgo.E2_TERM_KEEP_ALIVE_RESP, rmrmsghandlers.NewE2TKeepAliveResponseHandler(logger, rnibDataService, e2tInstancesManager)},
  98                 {rmrCgo.RIC_X2_RESET_RESP, rmrmsghandlers.NewX2ResetResponseHandler(logger, rnibDataService, ranStatusChangeManager, converters.NewX2ResetResponseExtractor(logger))},
  99                 {rmrCgo.RIC_X2_RESET, rmrmsghandlers.NewX2ResetRequestNotificationHandler(logger, rnibDataService, ranStatusChangeManager, rmrSender)},
 100                 {rmrCgo.RIC_SERVICE_UPDATE, rmrmsghandlers.NewRicServiceUpdateHandler(logger, rmrSender, rnibDataService, ranListManager)},
 101         }
 102
 103         for _, tc := range testCases {
 104
 105                 provider := NewNotificationHandlerProvider()
 106                 provider.Init(logger, config, rnibDataService, rmrSender, e2tInstancesManager, routingManagerClient, e2tAssociationManager, ranConnectStatusChangeManager, ranListManager)
 107                 t.Run(fmt.Sprintf("%d", tc.msgType), func(t *testing.T) {
 108                         handler, err := provider.GetNotificationHandler(tc.msgType)
 109                         if err != nil {
 110                                 t.Errorf("want: handler for message type %d, got: error %s", tc.msgType, err)
 111                         }
 112                         //Note struct is empty, so it will match any other empty struct.
 113                         // https://golang.org/ref/spec#Comparison_operators: Struct values are comparable if all their fields are comparable. Two struct values are equal if their corresponding non-blank fields are equal.
 114                         if /*handler != tc.handler &&*/ strings.Compare(fmt.Sprintf("%T", handler), fmt.Sprintf("%T", tc.handler)) != 0 {
 115                                 t.Errorf("want: handler %T for message type %d, got: %T", tc.handler, tc.msgType, handler)
 116                         }
 117                 })
 118         }
 119 }
 120
 121 /*
 122  * Verify handling of a request for an unsupported message.
 123  */
 124
 125 func TestGetNotificationHandlerFailure(t *testing.T) {
 126
 127         var testCases = []struct {
 128                 msgType   int
 129                 errorText string
 130         }{
 131                 {9999 /*unknown*/, "notification handler not found"},
 132         }
 133         for _, tc := range testCases {
 134
 135                 logger, config, rnibDataService, rmrSender, e2tInstancesManager, routingManagerClient, e2tAssociationManager, ranConnectStatusChangeManager, ranListManager := initTestCase(t)
 136                 provider := NewNotificationHandlerProvider()
 137                 provider.Init(logger, config, rnibDataService, rmrSender, e2tInstancesManager, routingManagerClient, e2tAssociationManager, ranConnectStatusChangeManager, ranListManager)
 138                 t.Run(fmt.Sprintf("%d", tc.msgType), func(t *testing.T) {
 139                         _, err := provider.GetNotificationHandler(tc.msgType)
 140                         if err == nil {
 141                                 t.Errorf("want: no handler for message type %d, got: success", tc.msgType)
 142                         }
 143                         if !strings.Contains(fmt.Sprintf("%s", err), tc.errorText) {
 144                                 t.Errorf("want: error [%s] for message type %d, got: %s", tc.errorText, tc.msgType, err)
 145                         }
 146                 })
 147         }
 148 }
 149
 150 // TODO: extract to test_utils
 151 func initRmrSender(rmrMessengerMock *mocks.RmrMessengerMock, log *logger.Logger) *rmrsender.RmrSender {
 152         rmrMessenger := rmrCgo.RmrMessenger(rmrMessengerMock)
 153         rmrMessengerMock.On("Init", tests.GetPort(), tests.MaxMsgSize, tests.Flags, log).Return(&rmrMessenger)
 154         return rmrsender.NewRmrSender(log, rmrMessenger)
 155 }
 156
 157 // TODO: extract to test_utils
 158 func initLog(t *testing.T) *logger.Logger {
 159         log, err := logger.InitLogger(logger.InfoLevel)
 160         if err != nil {
 161                 t.Errorf("#delete_all_request_handler_test.TestHandleSuccessFlow - failed to initialize logger, error: %s", err)
 162         }
 163         return log
 164 }