E2Manager/providers/rmrmsghandlerprovider/notification_handler_provider_test.go

   1 //
   2 // Copyright 2019 AT&T Intellectual Property
   3 // Copyright 2019 Nokia
   4 //
   5 // Licensed under the Apache License, Version 2.0 (the "License");
   6 // you may not use this file except in compliance with the License.
   7 // You may obtain a copy of the License at
   8 //
   9 //      http://www.apache.org/licenses/LICENSE-2.0
  10 //
  11 // Unless required by applicable law or agreed to in writing, software
  12 // distributed under the License is distributed on an "AS IS" BASIS,
  13 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14 // See the License for the specific language governing permissions and
  15 // limitations under the License.
  16
  17 //  This source code is part of the near-RT RIC (RAN Intelligent Controller)
  18 //  platform project (RICP).
  19
  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.RanSetupManager, managers.IE2TInstancesManager, clients.IRoutingManagerClient, *managers.E2TAssociationManager) {
  46         logger := initLog(t)
  47         config := &configuration.Configuration{RnibRetryIntervalMs: 10, MaxRnibConnectionAttempts: 3}
  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         ranSetupManager := managers.NewRanSetupManager(logger, rmrSender, rnibDataService)
  56         e2tInstancesManager := managers.NewE2TInstancesManager(rnibDataService, logger)
  57         routingManagerClient := clients.NewRoutingManagerClient(logger, config, httpClient)
  58         e2tAssociationManager := managers.NewE2TAssociationManager(logger, rnibDataService, e2tInstancesManager, routingManagerClient)
  59
  60         return logger, config, rnibDataService, rmrSender, ranSetupManager, e2tInstancesManager, routingManagerClient, e2tAssociationManager
  61 }
  62
  63 func TestGetNotificationHandlerSuccess(t *testing.T) {
  64
  65         logger, config, rnibDataService, rmrSender, ranSetupManager, e2tInstancesManager, routingManagerClient, e2tAssociationManager := initTestCase(t)
  66
  67         ranDisconnectionManager := managers.NewRanDisconnectionManager(logger, configuration.ParseConfiguration(), rnibDataService, e2tAssociationManager)
  68         ranStatusChangeManager := managers.NewRanStatusChangeManager(logger, rmrSender)
  69
  70         x2SetupResponseConverter := converters.NewX2SetupResponseConverter(logger)
  71         x2SetupResponseManager := managers.NewX2SetupResponseManager(x2SetupResponseConverter)
  72
  73         x2SetupFailureResponseConverter := converters.NewX2SetupFailureResponseConverter(logger)
  74         x2SetupFailureResponseManager := managers.NewX2SetupFailureResponseManager(x2SetupFailureResponseConverter)
  75
  76         endcSetupResponseConverter := converters.NewEndcSetupResponseConverter(logger)
  77         endcSetupResponseManager := managers.NewEndcSetupResponseManager(endcSetupResponseConverter)
  78
  79
  80         endcSetupFailureResponseConverter := converters.NewEndcSetupFailureResponseConverter(logger)
  81         endcSetupFailureResponseManager := managers.NewEndcSetupFailureResponseManager(endcSetupFailureResponseConverter)
  82
  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         }
 101
 102         for _, tc := range testCases {
 103
 104                 provider := NewNotificationHandlerProvider()
 105                 provider.Init(logger, config, rnibDataService, rmrSender, ranSetupManager, e2tInstancesManager, routingManagerClient, e2tAssociationManager)
 106                 t.Run(fmt.Sprintf("%d", tc.msgType), func(t *testing.T) {
 107                         handler, err := provider.GetNotificationHandler(tc.msgType)
 108                         if err != nil {
 109                                 t.Errorf("want: handler for message type %d, got: error %s", tc.msgType, err)
 110                         }
 111                         //Note struct is empty, so it will match any other empty struct.
 112                         // 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.
 113                         if /*handler != tc.handler &&*/ strings.Compare(fmt.Sprintf("%T", handler), fmt.Sprintf("%T", tc.handler)) != 0 {
 114                                 t.Errorf("want: handler %T for message type %d, got: %T", tc.handler, tc.msgType, handler)
 115                         }
 116                 })
 117         }
 118 }
 119
 120 /*
 121  * Verify handling of a request for an unsupported message.
 122  */
 123
 124 func TestGetNotificationHandlerFailure(t *testing.T) {
 125
 126         var testCases = []struct {
 127                 msgType   int
 128                 errorText string
 129         }{
 130                 {9999 /*unknown*/, "notification handler not found"},
 131         }
 132         for _, tc := range testCases {
 133
 134                 logger, config, rnibDataService, rmrSender, ranSetupManager, e2tInstancesManager, routingManagerClient, e2tAssociationManager := initTestCase(t)
 135                 provider := NewNotificationHandlerProvider()
 136                 provider.Init(logger, config, rnibDataService, rmrSender, ranSetupManager, e2tInstancesManager, routingManagerClient, e2tAssociationManager)
 137                 t.Run(fmt.Sprintf("%d", tc.msgType), func(t *testing.T) {
 138                         _, err := provider.GetNotificationHandler(tc.msgType)
 139                         if err == nil {
 140                                 t.Errorf("want: no handler for message type %d, got: success", tc.msgType)
 141                         }
 142                         if !strings.Contains(fmt.Sprintf("%s", err), tc.errorText) {
 143                                 t.Errorf("want: error [%s] for message type %d, got: %s", tc.errorText, tc.msgType, err)
 144                         }
 145                 })
 146         }
 147 }
 148
 149 // TODO: extract to test_utils
 150 func initRmrSender(rmrMessengerMock *mocks.RmrMessengerMock, log *logger.Logger) *rmrsender.RmrSender {
 151         rmrMessenger := rmrCgo.RmrMessenger(rmrMessengerMock)
 152         rmrMessengerMock.On("Init", tests.GetPort(), tests.MaxMsgSize, tests.Flags, log).Return(&rmrMessenger)
 153         return rmrsender.NewRmrSender(log, rmrMessenger)
 154 }
 155
 156 // TODO: extract to test_utils
 157 func initLog(t *testing.T) *logger.Logger {
 158         log, err := logger.InitLogger(logger.InfoLevel)
 159         if err != nil {
 160                 t.Errorf("#delete_all_request_handler_test.TestHandleSuccessFlow - failed to initialize logger, error: %s", err)
 161         }
 162         return log
 163 }