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 package rmrmsghandlerprovider
  21
  22 import (
  23         "e2mgr/clients"
  24         "e2mgr/configuration"
  25         "e2mgr/converters"
  26         "e2mgr/handlers/rmrmsghandlers"
  27         "e2mgr/logger"
  28         "e2mgr/managers"
  29         "e2mgr/mocks"
  30         "e2mgr/services"
  31         "e2mgr/services/rmrsender"
  32         "e2mgr/tests"
  33         "fmt"
  34         "strings"
  35         "testing"
  36
  37         "e2mgr/rmrCgo"
  38 )
  39
  40 /*
  41  * Verify support for known providers.
  42  */
  43
  44 func initTestCase(t *testing.T) (*logger.Logger, *configuration.Configuration, services.RNibDataService, *rmrsender.RmrSender, managers.IE2TInstancesManager, clients.IRoutingManagerClient, *managers.E2TAssociationManager, managers.IRanConnectStatusChangeManager) {
  45         logger := initLog(t)
  46         config := &configuration.Configuration{RnibRetryIntervalMs: 10, MaxRnibConnectionAttempts: 3, RnibWriter: configuration.RnibWriterConfig{StateChangeMessageChannel: "RAN_CONNECTION_STATUS_CHANGE", RanManipulationMessageChannel: "RAN_MANIPULATION"}}
  47
  48         readerMock := &mocks.RnibReaderMock{}
  49         writerMock := &mocks.RnibWriterMock{}
  50         httpClient := &mocks.HttpClientMock{}
  51
  52         rmrSender := initRmrSender(&mocks.RmrMessengerMock{}, logger)
  53         rnibDataService := services.NewRnibDataService(logger, config, readerMock, writerMock)
  54         e2tInstancesManager := managers.NewE2TInstancesManager(rnibDataService, logger)
  55         routingManagerClient := clients.NewRoutingManagerClient(logger, config, httpClient)
  56         ranListManager := managers.NewRanListManager(logger, rnibDataService)
  57         ranAlarmService := services.NewRanAlarmService(logger, config)
  58         ranConnectStatusChangeManager := managers.NewRanConnectStatusChangeManager(logger, rnibDataService, ranListManager, ranAlarmService)
  59         e2tAssociationManager := managers.NewE2TAssociationManager(logger, rnibDataService, e2tInstancesManager, routingManagerClient, ranConnectStatusChangeManager)
  60
  61         return logger, config, rnibDataService, rmrSender, e2tInstancesManager, routingManagerClient, e2tAssociationManager, ranConnectStatusChangeManager
  62 }
  63
  64 func TestGetNotificationHandlerSuccess(t *testing.T) {
  65
  66         logger, config, rnibDataService, rmrSender, e2tInstancesManager, routingManagerClient, e2tAssociationManager, ranConnectStatusChangeManager := initTestCase(t)
  67
  68         ranDisconnectionManager := managers.NewRanDisconnectionManager(logger, configuration.ParseConfiguration(), rnibDataService, e2tAssociationManager, ranConnectStatusChangeManager)
  69         ranStatusChangeManager := managers.NewRanStatusChangeManager(logger, rmrSender)
  70
  71         x2SetupResponseConverter := converters.NewX2SetupResponseConverter(logger)
  72         x2SetupResponseManager := managers.NewX2SetupResponseManager(x2SetupResponseConverter)
  73
  74         x2SetupFailureResponseConverter := converters.NewX2SetupFailureResponseConverter(logger)
  75         x2SetupFailureResponseManager := managers.NewX2SetupFailureResponseManager(x2SetupFailureResponseConverter)
  76
  77         endcSetupResponseConverter := converters.NewEndcSetupResponseConverter(logger)
  78         endcSetupResponseManager := managers.NewEndcSetupResponseManager(endcSetupResponseConverter)
  79
  80         endcSetupFailureResponseConverter := converters.NewEndcSetupFailureResponseConverter(logger)
  81         endcSetupFailureResponseManager := managers.NewEndcSetupFailureResponseManager(endcSetupFailureResponseConverter)
  82
  83         var testCases = []struct {
  84                 msgType int
  85                 handler rmrmsghandlers.NotificationHandler
  86         }{
  87                 {rmrCgo.RIC_X2_SETUP_RESP, rmrmsghandlers.NewSetupResponseNotificationHandler(logger, rnibDataService, x2SetupResponseManager, ranStatusChangeManager, rmrCgo.RIC_X2_SETUP_RESP)},
  88                 {rmrCgo.RIC_X2_SETUP_FAILURE, rmrmsghandlers.NewSetupResponseNotificationHandler(logger, rnibDataService, x2SetupFailureResponseManager, ranStatusChangeManager, rmrCgo.RIC_X2_SETUP_FAILURE)},
  89                 {rmrCgo.RIC_ENDC_X2_SETUP_RESP, rmrmsghandlers.NewSetupResponseNotificationHandler(logger, rnibDataService, endcSetupResponseManager, ranStatusChangeManager, rmrCgo.RIC_ENDC_X2_SETUP_RESP)},
  90                 {rmrCgo.RIC_ENDC_X2_SETUP_FAILURE, rmrmsghandlers.NewSetupResponseNotificationHandler(logger, rnibDataService, endcSetupFailureResponseManager, ranStatusChangeManager, rmrCgo.RIC_ENDC_X2_SETUP_FAILURE)},
  91                 {rmrCgo.RIC_SCTP_CONNECTION_FAILURE, rmrmsghandlers.NewRanLostConnectionHandler(logger, ranDisconnectionManager)},
  92                 //{rmrCgo.RIC_ENB_LOAD_INFORMATION, rmrmsghandlers.NewEnbLoadInformationNotificationHandler(logger, rnibDataService, converters.NewEnbLoadInformationExtractor(logger))},
  93                 {rmrCgo.RIC_ENB_CONF_UPDATE, rmrmsghandlers.NewX2EnbConfigurationUpdateHandler(logger, rmrSender)},
  94                 {rmrCgo.RIC_ENDC_CONF_UPDATE, rmrmsghandlers.NewEndcConfigurationUpdateHandler(logger, rmrSender)},
  95                 {rmrCgo.RIC_E2_TERM_INIT, rmrmsghandlers.NewE2TermInitNotificationHandler(logger, ranDisconnectionManager, e2tInstancesManager, routingManagerClient)},
  96                 {rmrCgo.E2_TERM_KEEP_ALIVE_RESP, rmrmsghandlers.NewE2TKeepAliveResponseHandler(logger, rnibDataService, e2tInstancesManager)},
  97                 {rmrCgo.RIC_X2_RESET_RESP, rmrmsghandlers.NewX2ResetResponseHandler(logger, rnibDataService, ranStatusChangeManager, converters.NewX2ResetResponseExtractor(logger))},
  98                 {rmrCgo.RIC_X2_RESET, rmrmsghandlers.NewX2ResetRequestNotificationHandler(logger, rnibDataService, ranStatusChangeManager, rmrSender)},
  99         }
 100
 101         for _, tc := range testCases {
 102
 103                 provider := NewNotificationHandlerProvider()
 104                 provider.Init(logger, config, rnibDataService, rmrSender, e2tInstancesManager, routingManagerClient, e2tAssociationManager, ranConnectStatusChangeManager)
 105                 t.Run(fmt.Sprintf("%d", tc.msgType), func(t *testing.T) {
 106                         handler, err := provider.GetNotificationHandler(tc.msgType)
 107                         if err != nil {
 108                                 t.Errorf("want: handler for message type %d, got: error %s", tc.msgType, err)
 109                         }
 110                         //Note struct is empty, so it will match any other empty struct.
 111                         // 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.
 112                         if /*handler != tc.handler &&*/ strings.Compare(fmt.Sprintf("%T", handler), fmt.Sprintf("%T", tc.handler)) != 0 {
 113                                 t.Errorf("want: handler %T for message type %d, got: %T", tc.handler, tc.msgType, handler)
 114                         }
 115                 })
 116         }
 117 }
 118
 119 /*
 120  * Verify handling of a request for an unsupported message.
 121  */
 122
 123 func TestGetNotificationHandlerFailure(t *testing.T) {
 124
 125         var testCases = []struct {
 126                 msgType   int
 127                 errorText string
 128         }{
 129                 {9999 /*unknown*/, "notification handler not found"},
 130         }
 131         for _, tc := range testCases {
 132
 133                 logger, config, rnibDataService, rmrSender, e2tInstancesManager, routingManagerClient, e2tAssociationManager, ranConnectStatusChangeManager := initTestCase(t)
 134                 provider := NewNotificationHandlerProvider()
 135                 provider.Init(logger, config, rnibDataService, rmrSender, e2tInstancesManager, routingManagerClient, e2tAssociationManager, ranConnectStatusChangeManager)
 136                 t.Run(fmt.Sprintf("%d", tc.msgType), func(t *testing.T) {
 137                         _, err := provider.GetNotificationHandler(tc.msgType)
 138                         if err == nil {
 139                                 t.Errorf("want: no handler for message type %d, got: success", tc.msgType)
 140                         }
 141                         if !strings.Contains(fmt.Sprintf("%s", err), tc.errorText) {
 142                                 t.Errorf("want: error [%s] for message type %d, got: %s", tc.errorText, tc.msgType, err)
 143                         }
 144                 })
 145         }
 146 }
 147
 148 // TODO: extract to test_utils
 149 func initRmrSender(rmrMessengerMock *mocks.RmrMessengerMock, log *logger.Logger) *rmrsender.RmrSender {
 150         rmrMessenger := rmrCgo.RmrMessenger(rmrMessengerMock)
 151         rmrMessengerMock.On("Init", tests.GetPort(), tests.MaxMsgSize, tests.Flags, log).Return(&rmrMessenger)
 152         return rmrsender.NewRmrSender(log, rmrMessenger)
 153 }
 154
 155 // TODO: extract to test_utils
 156 func initLog(t *testing.T) *logger.Logger {
 157         log, err := logger.InitLogger(logger.InfoLevel)
 158         if err != nil {
 159                 t.Errorf("#delete_all_request_handler_test.TestHandleSuccessFlow - failed to initialize logger, error: %s", err)
 160         }
 161         return log
 162 }