[RIC-248] RAN Health Check Request API - Implementation
[ric-plt/e2mgr.git] / E2Manager / handlers / rmrmsghandlers / e2_setup_request_notification_handler_test.go
index 77ffe7a..0d58a3b 100644 (file)
@@ -45,6 +45,7 @@ const (
        gnbNodebRanName                          = "gnb:310-410-b5c67788"
        enbNodebRanName                          = "enB_macro:P310-410-b5c67788"
        GnbSetupRequestXmlPath                   = "../../tests/resources/setupRequest_gnb.xml"
+       GnbWithZeroFunctionsSetupRequestXmlPath  = "../../tests/resources/setupRequest_gnb_with_zero_functions.xml"
        EnGnbSetupRequestXmlPath                 = "../../tests/resources/setupRequest_en-gNB.xml"
        NgEnbSetupRequestXmlPath                 = "../../tests/resources/setupRequest_ng-eNB.xml"
        EnbSetupRequestXmlPath                   = "../../tests/resources/setupRequest_enb.xml"
@@ -55,6 +56,40 @@ const (
        StateChangeMessageChannel                = "RAN_CONNECTION_STATUS_CHANGE"
 )
 
+func initMocks(t *testing.T) (*E2SetupRequestNotificationHandler, *mocks.RnibReaderMock, *mocks.RnibWriterMock, *mocks.RmrMessengerMock, *mocks.E2TInstancesManagerMock, *mocks.RoutingManagerClientMock, managers.RanListManager) {
+       logger := tests.InitLog(t)
+       config := &configuration.Configuration{
+               RnibRetryIntervalMs:       10,
+               MaxRnibConnectionAttempts: 3,
+               RnibWriter: configuration.RnibWriterConfig{
+                       StateChangeMessageChannel: StateChangeMessageChannel,
+               },
+               GlobalRicId: struct {
+                       RicId string
+                       Mcc   string
+                       Mnc   string
+               }{Mcc: "327", Mnc: "94", RicId: "AACCE"}}
+       rmrMessengerMock := &mocks.RmrMessengerMock{}
+       rmrSender := tests.InitRmrSender(rmrMessengerMock, logger)
+       readerMock := &mocks.RnibReaderMock{}
+       writerMock := &mocks.RnibWriterMock{}
+       routingManagerClientMock := &mocks.RoutingManagerClientMock{}
+       rnibDataService := services.NewRnibDataService(logger, config, readerMock, writerMock)
+       e2tInstancesManagerMock := &mocks.E2TInstancesManagerMock{}
+       ranListManager := managers.NewRanListManager(logger, rnibDataService)
+       ranAlarmService := services.NewRanAlarmService(logger, config)
+       ranConnectStatusChangeManager := managers.NewRanConnectStatusChangeManager(logger, rnibDataService, ranListManager, ranAlarmService)
+       e2tAssociationManager := managers.NewE2TAssociationManager(logger, rnibDataService, e2tInstancesManagerMock, routingManagerClientMock, ranConnectStatusChangeManager)
+       handler := NewE2SetupRequestNotificationHandler(logger, config, e2tInstancesManagerMock, rmrSender, rnibDataService, e2tAssociationManager, ranConnectStatusChangeManager, ranListManager)
+       return handler, readerMock, writerMock, rmrMessengerMock, e2tInstancesManagerMock, routingManagerClientMock, ranListManager
+}
+
+func getMbuf(ranName string, msgType int, payloadStr string, request *models.NotificationRequest) *rmrCgo.MBuf {
+       payload := []byte(payloadStr)
+       mbuf := rmrCgo.NewMBuf(msgType, len(payload), ranName, &payload, &request.TransactionId, request.GetMsgSrc())
+       return mbuf
+}
+
 func readXmlFile(t *testing.T, xmlPath string) []byte {
        path, err := filepath.Abs(xmlPath)
        if err != nil {
@@ -70,7 +105,7 @@ func readXmlFile(t *testing.T, xmlPath string) []byte {
 
 func TestParseGnbSetupRequest_Success(t *testing.T) {
        xmlGnb := readXmlFile(t, GnbSetupRequestXmlPath)
-       handler, _, _, _, _, _ := initMocks(t)
+       handler, _, _, _, _, _, _ := initMocks(t)
        prefBytes := []byte(e2SetupMsgPrefix)
        request, _, err := handler.parseSetupRequest(append(prefBytes, xmlGnb...))
        assert.Equal(t, "02F829", request.GetPlmnId())
@@ -80,7 +115,7 @@ func TestParseGnbSetupRequest_Success(t *testing.T) {
 
 func TestParseEnGnbSetupRequest_Success(t *testing.T) {
        enGnbXml := readXmlFile(t, EnGnbSetupRequestXmlPath)
-       handler, _, _, _, _, _ := initMocks(t)
+       handler, _, _, _, _, _, _ := initMocks(t)
        prefBytes := []byte(e2SetupMsgPrefix)
        request, _, err := handler.parseSetupRequest(append(prefBytes, enGnbXml...))
        assert.Equal(t, "131014", request.GetPlmnId())
@@ -90,7 +125,7 @@ func TestParseEnGnbSetupRequest_Success(t *testing.T) {
 
 func TestParseNgEnbSetupRequest_Success(t *testing.T) {
        ngEnbXml := readXmlFile(t, NgEnbSetupRequestXmlPath)
-       handler, _, _, _, _, _ := initMocks(t)
+       handler, _, _, _, _, _, _ := initMocks(t)
        prefBytes := []byte(e2SetupMsgPrefix)
        request, _, err := handler.parseSetupRequest(append(prefBytes, ngEnbXml...))
        assert.Equal(t, "131014", request.GetPlmnId())
@@ -100,7 +135,7 @@ func TestParseNgEnbSetupRequest_Success(t *testing.T) {
 
 func TestParseEnbSetupRequest_Success(t *testing.T) {
        enbXml := readXmlFile(t, EnbSetupRequestXmlPath)
-       handler, _, _, _, _, _ := initMocks(t)
+       handler, _, _, _, _, _, _ := initMocks(t)
        prefBytes := []byte(e2SetupMsgPrefix)
        request, _, err := handler.parseSetupRequest(append(prefBytes, enbXml...))
        assert.Equal(t, "6359AB", request.GetPlmnId())
@@ -110,7 +145,7 @@ func TestParseEnbSetupRequest_Success(t *testing.T) {
 
 func TestParseSetupRequest_PipFailure(t *testing.T) {
        xmlGnb := readXmlFile(t, GnbSetupRequestXmlPath)
-       handler, _, _, _, _, _ := initMocks(t)
+       handler, _, _, _, _, _, _ := initMocks(t)
        prefBytes := []byte("10.0.2.15:9999")
        request, _, err := handler.parseSetupRequest(append(prefBytes, xmlGnb...))
        assert.Nil(t, request)
@@ -119,7 +154,7 @@ func TestParseSetupRequest_PipFailure(t *testing.T) {
 }
 
 func TestParseSetupRequest_UnmarshalFailure(t *testing.T) {
-       handler, _, _, _, _, _ := initMocks(t)
+       handler, _, _, _, _, _, _ := initMocks(t)
        prefBytes := []byte(e2SetupMsgPrefix)
        request, _, err := handler.parseSetupRequest(append(prefBytes, 1, 2, 3))
        assert.Nil(t, request)
@@ -127,9 +162,105 @@ func TestParseSetupRequest_UnmarshalFailure(t *testing.T) {
        assert.EqualError(t, err, "#E2SetupRequestNotificationHandler.parseSetupRequest - Error unmarshalling E2 Setup Request payload: 31302e302e322e31353a393939397c010203")
 }
 
+func TestE2SetupRequestNotificationHandler_HandleParseError(t *testing.T) {
+       xmlGnb := readXmlFile(t, GnbSetupRequestXmlPath)
+       handler, readerMock, writerMock, rmrMessengerMock, e2tInstancesManagerMock, routingManagerClientMock, _ := initMocks(t)
+       readerMock.On("GetGeneralConfiguration").Return(&entities.GeneralConfiguration{EnableRic: true}, nil)
+       notificationRequest := &models.NotificationRequest{RanName: gnbNodebRanName, Payload: append([]byte("invalid_prefix"), xmlGnb...)}
+       handler.Handle(notificationRequest)
+       readerMock.AssertNotCalled(t, "GetNodeb", mock.Anything)
+       writerMock.AssertNotCalled(t, "SaveNodeb", mock.Anything, mock.Anything)
+       routingManagerClientMock.AssertNotCalled(t, "AssociateRanToE2TInstance", e2tInstanceFullAddress, mock.Anything)
+       writerMock.AssertNotCalled(t, "UpdateNodebInfo", mock.Anything)
+       e2tInstancesManagerMock.AssertNotCalled(t, "AddRansToInstance", mock.Anything, mock.Anything)
+       rmrMessengerMock.AssertNotCalled(t, "SendMsg", mock.Anything, mock.Anything)
+}
+
+func TestE2SetupRequestNotificationHandler_HandleUnmarshalError(t *testing.T) {
+       handler, readerMock, writerMock, rmrMessengerMock, e2tInstancesManagerMock, routingManagerClientMock, _ := initMocks(t)
+       readerMock.On("GetGeneralConfiguration").Return(&entities.GeneralConfiguration{EnableRic: true}, nil)
+       notificationRequest := &models.NotificationRequest{RanName: gnbNodebRanName, Payload: append([]byte(e2SetupMsgPrefix), "xmlGnb"...)}
+       handler.Handle(notificationRequest)
+       readerMock.AssertNotCalled(t, "GetNodeb", mock.Anything)
+       writerMock.AssertNotCalled(t, "SaveNodeb", mock.Anything, mock.Anything)
+       routingManagerClientMock.AssertNotCalled(t, "AssociateRanToE2TInstance", e2tInstanceFullAddress, mock.Anything)
+       writerMock.AssertNotCalled(t, "UpdateNodebInfo", mock.Anything)
+       e2tInstancesManagerMock.AssertNotCalled(t, "AddRansToInstance", mock.Anything, mock.Anything)
+       rmrMessengerMock.AssertNotCalled(t, "SendMsg", mock.Anything, mock.Anything)
+}
+
+func TestE2SetupRequestNotificationHandler_ConvertTo20BitStringError(t *testing.T) {
+       xmlEnGnb := readXmlFile(t, EnGnbSetupRequestXmlPath)
+       logger := tests.InitLog(t)
+       config := &configuration.Configuration{
+               RnibRetryIntervalMs:       10,
+               MaxRnibConnectionAttempts: 3,
+               RnibWriter: configuration.RnibWriterConfig{
+                       StateChangeMessageChannel: StateChangeMessageChannel,
+               },
+               GlobalRicId: struct {
+                       RicId string
+                       Mcc   string
+                       Mnc   string
+               }{Mcc: "327", Mnc: "94", RicId: "10011001101010101011"}}
+       rmrMessengerMock := &mocks.RmrMessengerMock{}
+       rmrSender := tests.InitRmrSender(rmrMessengerMock, logger)
+       readerMock := &mocks.RnibReaderMock{}
+       writerMock := &mocks.RnibWriterMock{}
+       routingManagerClientMock := &mocks.RoutingManagerClientMock{}
+       rnibDataService := services.NewRnibDataService(logger, config, readerMock, writerMock)
+       e2tInstancesManagerMock := &mocks.E2TInstancesManagerMock{}
+       ranListManager := managers.NewRanListManager(logger, rnibDataService)
+       ranAlarmService := services.NewRanAlarmService(logger, config)
+       ranConnectStatusChangeManager := managers.NewRanConnectStatusChangeManager(logger, rnibDataService, ranListManager, ranAlarmService)
+
+       e2tAssociationManager := managers.NewE2TAssociationManager(logger, rnibDataService, e2tInstancesManagerMock, routingManagerClientMock, ranConnectStatusChangeManager)
+       handler := NewE2SetupRequestNotificationHandler(logger, config, e2tInstancesManagerMock, rmrSender, rnibDataService, e2tAssociationManager, ranConnectStatusChangeManager, ranListManager)
+       readerMock.On("GetGeneralConfiguration").Return(&entities.GeneralConfiguration{EnableRic: true}, nil)
+       e2tInstancesManagerMock.On("GetE2TInstance", e2tInstanceFullAddress).Return(&entities.E2TInstance{}, nil)
+       var gnb *entities.NodebInfo
+       readerMock.On("GetNodeb", mock.Anything).Return(gnb, common.NewResourceNotFoundError("Not found"))
+       writerMock.On("SaveNodeb", mock.Anything, mock.Anything).Return(nil)
+       writerMock.On("AddNbIdentity", entities.Node_GNB, mock.Anything).Return(nil)
+       writerMock.On("UpdateNodebInfoOnConnectionStatusInversion", mock.Anything, mock.Anything).Return(nil)
+       routingManagerClientMock.On("AssociateRanToE2TInstance", e2tInstanceFullAddress, mock.Anything).Return(nil)
+       writerMock.On("UpdateNodebInfo", mock.Anything).Return(nil)
+       writerMock.On("UpdateNbIdentities", mock.Anything, mock.Anything, mock.Anything).Return(nil)
+       e2tInstancesManagerMock.On("AddRansToInstance", mock.Anything, mock.Anything).Return(nil)
+       var errEmpty error
+       rmrMessage := &rmrCgo.MBuf{}
+       rmrMessengerMock.On("SendMsg", mock.Anything, mock.Anything).Return(rmrMessage, errEmpty)
+       prefBytes := []byte(e2SetupMsgPrefix)
+       notificationRequest := &models.NotificationRequest{RanName: gnbNodebRanName, Payload: append(prefBytes, xmlEnGnb...)}
+       handler.Handle(notificationRequest)
+       readerMock.AssertCalled(t, "GetNodeb", mock.Anything)
+       e2tInstancesManagerMock.AssertCalled(t, "GetE2TInstance", e2tInstanceFullAddress)
+       writerMock.AssertCalled(t, "SaveNodeb", mock.Anything, mock.Anything)
+       routingManagerClientMock.AssertCalled(t, "AssociateRanToE2TInstance", e2tInstanceFullAddress, mock.Anything)
+       writerMock.AssertCalled(t, "UpdateNodebInfo", mock.Anything)
+       e2tInstancesManagerMock.AssertCalled(t, "AddRansToInstance", mock.Anything, mock.Anything)
+       rmrMessengerMock.AssertNotCalled(t, "SendMsg", mock.Anything, mock.Anything)
+}
+
+func TestExtractionOfNodeTypeFromRanName(t *testing.T) {
+       handler, _, _, _, _, _, _ := initMocks(t)
+       validRanNames := []string{"gnb_P310_410_b5c67788", "en_gnb_P310_410_b5c67788", "ng_enB_macro_P310_410_b5c67788", "ng_enB_shortmacro_P310_410_b5c67788", "ng_enB_longmacro_P310_410_b5c67788", "enB_macro_P310_410_b5c67788", "enB_home_P310_410_b5c67788", "enB_shortmacro_P310_410_b5c67788", "enB_longmacro_P310_410_b5c67788"}
+       for _, v := range validRanNames {
+               nodeb := &entities.NodebInfo{RanName: v}
+               err := handler.setNodeTypeAndConfiguration(nodeb)
+               assert.Nil(t, err)
+       }
+       inValidRanNames := []string{"P310_410_b5c67788", "blabla_P310_410_b5c67788", "ng_enB-macro_P310_410_b5c67788", "ng_enb_shortmacro_P310_410_b5c67788", "ng_enB-longmacro_P310_410_b5c67788", "enB_new_macro_P310_410_b5c67788"}
+       for _, v := range inValidRanNames {
+               nodeb := &entities.NodebInfo{RanName: v}
+               err := handler.setNodeTypeAndConfiguration(nodeb)
+               assert.NotNil(t, err, v)
+       }
+}
+
 func TestE2SetupRequestNotificationHandler_GetGeneralConfigurationFailure(t *testing.T) {
        xmlGnb := readXmlFile(t, GnbSetupRequestXmlPath)
-       handler, readerMock, writerMock, rmrMessengerMock, e2tInstancesManagerMock, routingManagerClientMock := initMocks(t)
+       handler, readerMock, writerMock, rmrMessengerMock, e2tInstancesManagerMock, routingManagerClientMock, _ := initMocks(t)
        readerMock.On("GetGeneralConfiguration").Return(&entities.GeneralConfiguration{}, common.NewInternalError(errors.New("some error")))
        notificationRequest := &models.NotificationRequest{RanName: gnbNodebRanName, Payload: append([]byte(e2SetupMsgPrefix), xmlGnb...)}
        handler.Handle(notificationRequest)
@@ -140,15 +271,9 @@ func TestE2SetupRequestNotificationHandler_GetGeneralConfigurationFailure(t *tes
        writerMock.AssertNotCalled(t, "SaveNodeb")
 }
 
-func getMbuf(ranName string, msgType int, payloadStr string, request *models.NotificationRequest) *rmrCgo.MBuf {
-       payload := []byte(payloadStr)
-       mbuf := rmrCgo.NewMBuf(msgType, len(payload), ranName, &payload, &request.TransactionId, request.GetMsgSrc())
-       return mbuf
-}
-
 func TestE2SetupRequestNotificationHandler_EnableRicFalse(t *testing.T) {
        xmlGnb := readXmlFile(t, GnbSetupRequestXmlPath)
-       handler, readerMock, writerMock, rmrMessengerMock, e2tInstancesManagerMock, routingManagerClientMock := initMocks(t)
+       handler, readerMock, writerMock, rmrMessengerMock, e2tInstancesManagerMock, routingManagerClientMock, _ := initMocks(t)
        readerMock.On("GetGeneralConfiguration").Return(&entities.GeneralConfiguration{EnableRic: false}, nil)
        notificationRequest := &models.NotificationRequest{RanName: gnbNodebRanName, Payload: append([]byte(e2SetupMsgPrefix), xmlGnb...)}
        mbuf := getMbuf(gnbNodebRanName, rmrCgo.RIC_E2_SETUP_FAILURE, E2SetupFailureResponseWithMiscCause, notificationRequest)
@@ -161,9 +286,46 @@ func TestE2SetupRequestNotificationHandler_EnableRicFalse(t *testing.T) {
        writerMock.AssertNotCalled(t, "SaveNodeb")
 }
 
+func TestE2SetupRequestNotificationHandler_HandleGetE2TInstanceError(t *testing.T) {
+       xmlGnb := readXmlFile(t, GnbSetupRequestXmlPath)
+       handler, readerMock, writerMock, rmrMessengerMock, e2tInstancesManagerMock, routingManagerClientMock, _ := initMocks(t)
+       readerMock.On("GetGeneralConfiguration").Return(&entities.GeneralConfiguration{EnableRic: true}, nil)
+       e2tInstancesManagerMock.On("GetE2TInstance", e2tInstanceFullAddress).Return(&entities.E2TInstance{}, common.NewResourceNotFoundError("Not found"))
+       prefBytes := []byte(e2SetupMsgPrefix)
+       notificationRequest := &models.NotificationRequest{RanName: gnbNodebRanName, Payload: append(prefBytes, xmlGnb...)}
+       handler.Handle(notificationRequest)
+       e2tInstancesManagerMock.AssertCalled(t, "GetE2TInstance", e2tInstanceFullAddress)
+       readerMock.AssertNotCalled(t, "GetNodeb", mock.Anything)
+       writerMock.AssertNotCalled(t, "SaveNodeb", mock.Anything, mock.Anything)
+       routingManagerClientMock.AssertNotCalled(t, "AssociateRanToE2TInstance", e2tInstanceFullAddress, mock.Anything)
+       writerMock.AssertNotCalled(t, "UpdateNodebInfo", mock.Anything)
+       e2tInstancesManagerMock.AssertNotCalled(t, "AddRansToInstance", mock.Anything, mock.Anything)
+       rmrMessengerMock.AssertNotCalled(t, "SendMsg", mock.Anything, mock.Anything)
+}
+
+func TestE2SetupRequestNotificationHandler_HandleGetNodebError(t *testing.T) {
+       xmlGnb := readXmlFile(t, GnbSetupRequestXmlPath)
+       handler, readerMock, writerMock, routingManagerClientMock, e2tInstancesManagerMock, rmrMessengerMock, _ := initMocks(t)
+       readerMock.On("GetGeneralConfiguration").Return(&entities.GeneralConfiguration{EnableRic: true}, nil)
+       e2tInstancesManagerMock.On("GetE2TInstance", e2tInstanceFullAddress).Return(&entities.E2TInstance{}, nil)
+       var gnb *entities.NodebInfo
+       readerMock.On("GetNodeb", mock.Anything).Return(gnb, common.NewInternalError(errors.New("some error")))
+       notificationRequest := &models.NotificationRequest{RanName: gnbNodebRanName, Payload: append([]byte(e2SetupMsgPrefix), xmlGnb...)}
+       handler.Handle(notificationRequest)
+       e2tInstancesManagerMock.AssertCalled(t, "GetE2TInstance", e2tInstanceFullAddress)
+       readerMock.AssertCalled(t, "GetNodeb", mock.Anything)
+       writerMock.AssertNotCalled(t, "SaveNodeb", mock.Anything, mock.Anything)
+       routingManagerClientMock.AssertNotCalled(t, "AssociateRanToE2TInstance", e2tInstanceFullAddress, mock.Anything)
+       writerMock.AssertNotCalled(t, "UpdateNodebInfo", mock.Anything)
+       e2tInstancesManagerMock.AssertNotCalled(t, "AddRansToInstance", mock.Anything, mock.Anything)
+       rmrMessengerMock.AssertNotCalled(t, "SendMsg", mock.Anything, mock.Anything)
+}
+
+/* New Ran UTs - BEGIN */
+
 func TestE2SetupRequestNotificationHandler_HandleNewRanSaveNodebFailure(t *testing.T) {
        xml := readXmlFile(t, GnbSetupRequestXmlPath)
-       handler, readerMock, writerMock, _, e2tInstancesManagerMock, _ := initMocks(t)
+       handler, readerMock, writerMock, _, e2tInstancesManagerMock, _, _ := initMocks(t)
        readerMock.On("GetGeneralConfiguration").Return(&entities.GeneralConfiguration{EnableRic: true}, nil)
        e2tInstancesManagerMock.On("GetE2TInstance", e2tInstanceFullAddress).Return(&entities.E2TInstance{}, nil)
        var gnb *entities.NodebInfo
@@ -180,7 +342,7 @@ func TestE2SetupRequestNotificationHandler_HandleNewRanSaveNodebFailure(t *testi
 
 func TestE2SetupRequestNotificationHandler_HandleNewRan_invalidRanName(t *testing.T) {
        xml := readXmlFile(t, EnbSetupRequestXmlPath)
-       handler, readerMock, writerMock, rmrMessengerMock, e2tInstancesManagerMock, _ := initMocks(t)
+       handler, readerMock, writerMock, rmrMessengerMock, e2tInstancesManagerMock, _, _ := initMocks(t)
        readerMock.On("GetGeneralConfiguration").Return(&entities.GeneralConfiguration{EnableRic: true}, nil)
        e2tInstancesManagerMock.On("GetE2TInstance", e2tInstanceFullAddress).Return(&entities.E2TInstance{}, nil)
        var enb *entities.NodebInfo
@@ -199,7 +361,7 @@ func TestE2SetupRequestNotificationHandler_HandleNewRan_invalidRanName(t *testin
 
 func TestE2SetupRequestNotificationHandler_HandleNewRanAddNbIdentityFailure(t *testing.T) {
        xml := readXmlFile(t, GnbSetupRequestXmlPath)
-       handler, readerMock, writerMock, _, e2tInstancesManagerMock, _ := initMocks(t)
+       handler, readerMock, writerMock, _, e2tInstancesManagerMock, _, _ := initMocks(t)
        readerMock.On("GetGeneralConfiguration").Return(&entities.GeneralConfiguration{EnableRic: true}, nil)
        e2tInstancesManagerMock.On("GetE2TInstance", e2tInstanceFullAddress).Return(&entities.E2TInstance{}, nil)
        var gnb *entities.NodebInfo
@@ -215,6 +377,35 @@ func TestE2SetupRequestNotificationHandler_HandleNewRanAddNbIdentityFailure(t *t
        e2tInstancesManagerMock.AssertExpectations(t)
 }
 
+func TestE2SetupRequestNotificationHandler_HandleNewRanRoutingManagerError(t *testing.T) {
+       xmlGnb := readXmlFile(t, GnbSetupRequestXmlPath)
+
+       handler, readerMock, writerMock, rmrMessengerMock, e2tInstancesManagerMock, routingManagerClientMock, _ := initMocks(t)
+       readerMock.On("GetGeneralConfiguration").Return(&entities.GeneralConfiguration{EnableRic: true}, nil)
+       e2tInstancesManagerMock.On("GetE2TInstance", e2tInstanceFullAddress).Return(&entities.E2TInstance{}, nil)
+       readerMock.On("GetNodeb", gnbNodebRanName).Return(&entities.NodebInfo{}, common.NewResourceNotFoundError("Not found"))
+       notificationRequest := &models.NotificationRequest{RanName: gnbNodebRanName, Payload: append([]byte(e2SetupMsgPrefix), xmlGnb...)}
+       nodebInfo := getExpectedGnbNodebForNewRan(notificationRequest.Payload)
+       writerMock.On("SaveNodeb", nodebInfo).Return(nil)
+       nbIdentity := &entities.NbIdentity{InventoryName: gnbNodebRanName, GlobalNbId: nodebInfo.GlobalNbId}
+       writerMock.On("AddNbIdentity", entities.Node_GNB, nbIdentity).Return(nil)
+       updatedNodebInfo := *nodebInfo
+       routingManagerClientMock.On("AssociateRanToE2TInstance", e2tInstanceFullAddress, mock.Anything).Return(errors.New("association error"))
+       updatedNodebInfo.ConnectionStatus = entities.ConnectionStatus_DISCONNECTED
+       writerMock.On("UpdateNodebInfo", &updatedNodebInfo).Return(nil)
+       writerMock.On("UpdateNbIdentities", mock.Anything, mock.Anything, mock.Anything).Return(nil)
+       var errEmpty error
+       mbuf := getMbuf(gnbNodebRanName, rmrCgo.RIC_E2_SETUP_FAILURE, E2SetupFailureResponseWithTransportCause, notificationRequest)
+       rmrMessengerMock.On("WhSendMsg", mbuf, true).Return(&rmrCgo.MBuf{}, errEmpty)
+       handler.Handle(notificationRequest)
+       readerMock.AssertExpectations(t)
+       e2tInstancesManagerMock.AssertExpectations(t)
+       writerMock.AssertExpectations(t)
+       routingManagerClientMock.AssertCalled(t, "AssociateRanToE2TInstance", e2tInstanceFullAddress, mock.Anything)
+       e2tInstancesManagerMock.AssertExpectations(t)
+       rmrMessengerMock.AssertCalled(t, "WhSendMsg", mbuf, true)
+}
+
 func testE2SetupRequestNotificationHandler_HandleNewRanSuccess(t *testing.T, xmlPath string, nodeType entities.Node_Type) {
        xml := readXmlFile(t, xmlPath)
        var ranName string
@@ -223,7 +414,7 @@ func testE2SetupRequestNotificationHandler_HandleNewRanSuccess(t *testing.T, xml
        } else {
                ranName = enbNodebRanName
        }
-       handler, readerMock, writerMock, rmrMessengerMock, e2tInstancesManagerMock, routingManagerClientMock := initMocks(t)
+       handler, readerMock, writerMock, rmrMessengerMock, e2tInstancesManagerMock, routingManagerClientMock, _ := initMocks(t)
        readerMock.On("GetGeneralConfiguration").Return(&entities.GeneralConfiguration{EnableRic: true}, nil)
        e2tInstancesManagerMock.On("GetE2TInstance", e2tInstanceFullAddress).Return(&entities.E2TInstance{}, nil)
        var gnb *entities.NodebInfo
@@ -246,6 +437,10 @@ func testE2SetupRequestNotificationHandler_HandleNewRanSuccess(t *testing.T, xml
        updatedNodebInfo2.ConnectionStatus = entities.ConnectionStatus_CONNECTED
        updatedNodebInfo2.AssociatedE2TInstanceAddress = e2tInstanceFullAddress
        writerMock.On("UpdateNodebInfo", &updatedNodebInfo2).Return(nil)
+
+       newNbIdentity := &entities.NbIdentity{InventoryName: ranName, ConnectionStatus: entities.ConnectionStatus_CONNECTED, GlobalNbId: expectedNodebInfo.GlobalNbId}
+       writerMock.On("UpdateNbIdentities", updatedNodebInfo2.GetNodeType(), []*entities.NbIdentity{nbIdentity}, []*entities.NbIdentity{newNbIdentity}).Return(nil)
+
        e2tInstancesManagerMock.On("AddRansToInstance", e2tInstanceFullAddress, []string{ranName}).Return(nil)
        rmrMessengerMock.On("SendMsg", mock.Anything, mock.Anything).Return(&rmrCgo.MBuf{}, nil)
 
@@ -272,133 +467,44 @@ func TestE2SetupRequestNotificationHandler_HandleNewNgEnbSuccess(t *testing.T) {
        testE2SetupRequestNotificationHandler_HandleNewRanSuccess(t, NgEnbSetupRequestXmlPath, entities.Node_ENB)
 }
 
-func TestExtractionOfNodeTypeFromRanName(t *testing.T) {
-       handler, _, _, _, _, _ := initMocks(t)
-       validRanNames := []string{"gnb_P310_410_b5c67788", "en_gnb_P310_410_b5c67788", "ng_enB_macro_P310_410_b5c67788", "ng_enB_shortmacro_P310_410_b5c67788", "ng_enB_longmacro_P310_410_b5c67788", "enB_macro_P310_410_b5c67788", "enB_home_P310_410_b5c67788", "enB_shortmacro_P310_410_b5c67788", "enB_longmacro_P310_410_b5c67788"}
-       for _, v := range validRanNames {
-               nodeb := &entities.NodebInfo{RanName: v}
-               err := handler.setNodeTypeAndConfiguration(nodeb)
-               assert.Nil(t, err)
-       }
-       inValidRanNames := []string{"P310_410_b5c67788", "blabla_P310_410_b5c67788", "ng_enB-macro_P310_410_b5c67788", "ng_enb_shortmacro_P310_410_b5c67788", "ng_enB-longmacro_P310_410_b5c67788", "enB_new_macro_P310_410_b5c67788"}
-       for _, v := range inValidRanNames {
-               nodeb := &entities.NodebInfo{RanName: v}
-               err := handler.setNodeTypeAndConfiguration(nodeb)
-               assert.NotNil(t, err, v)
-       }
-}
-
-func testE2SetupRequestNotificationHandler_HandleExistingConnectedGnbSuccess(t *testing.T, withFunctions bool) {
-       var xmlGnb []byte
-
-       if withFunctions {
-               xmlGnb = readXmlFile(t, GnbSetupRequestXmlPath)
+func getExpectedGnbNodebForNewRan(payload []byte) *entities.NodebInfo {
+       pipInd := bytes.IndexByte(payload, '|')
+       setupRequest := &models.E2SetupRequestMessage{}
+       _ = xml.Unmarshal(normalizeXml(payload[pipInd+1:]), &setupRequest.E2APPDU)
 
-       } else {
-               xmlGnb = readXmlFile(t, GnbWithoutFunctionsSetupRequestXmlPath)
-       }
-       handler, readerMock, writerMock, rmrMessengerMock, e2tInstancesManagerMock, routingManagerClientMock := initMocks(t)
-       readerMock.On("GetGeneralConfiguration").Return(&entities.GeneralConfiguration{EnableRic: true}, nil)
-       e2tInstancesManagerMock.On("GetE2TInstance", e2tInstanceFullAddress).Return(&entities.E2TInstance{}, nil)
-       var nodebInfo = &entities.NodebInfo{
-               RanName:                      gnbNodebRanName,
+       nodeb := &entities.NodebInfo{
                AssociatedE2TInstanceAddress: e2tInstanceFullAddress,
-               ConnectionStatus:             entities.ConnectionStatus_CONNECTED,
+               RanName:                      gnbNodebRanName,
+               SetupFromNetwork:             true,
                NodeType:                     entities.Node_GNB,
-               Configuration:                &entities.NodebInfo_Gnb{Gnb: &entities.Gnb{}},
-       }
-
-       if withFunctions {
-               gnb := nodebInfo.GetGnb()
-               gnb.RanFunctions = []*entities.RanFunction{{RanFunctionId: 2, RanFunctionRevision: 2}}
+               Configuration: &entities.NodebInfo_Gnb{
+                       Gnb: &entities.Gnb{
+                               GnbType:      entities.GnbType_GNB,
+                               RanFunctions: setupRequest.ExtractRanFunctionsList(),
+                       },
+               },
+               GlobalNbId: &entities.GlobalNbId{
+                       PlmnId: setupRequest.GetPlmnId(),
+                       NbId:   setupRequest.GetNbId(),
+               },
        }
 
-       readerMock.On("GetNodeb", gnbNodebRanName).Return(nodebInfo, nil)
-       routingManagerClientMock.On("AssociateRanToE2TInstance", e2tInstanceFullAddress, mock.Anything).Return(nil)
-
-       notificationRequest := &models.NotificationRequest{RanName: gnbNodebRanName, Payload: append([]byte(e2SetupMsgPrefix), xmlGnb...)}
-       gnbToUpdate := getExpectedNodebForExistingRan(*nodebInfo, notificationRequest.Payload)
-
-       writerMock.On("UpdateNodebInfo", gnbToUpdate).Return(nil)
-       if withFunctions {
-               writerMock.On("UpdateNodebInfoAndPublish", gnbToUpdate).Return(nil)
-       }
-       e2tInstancesManagerMock.On("AddRansToInstance", e2tInstanceFullAddress, []string{gnbNodebRanName}).Return(nil)
-       var errEmpty error
-       rmrMessengerMock.On("SendMsg", mock.Anything, true).Return(&rmrCgo.MBuf{}, errEmpty)
-       handler.Handle(notificationRequest)
-       readerMock.AssertExpectations(t)
-       writerMock.AssertExpectations(t)
-       e2tInstancesManagerMock.AssertExpectations(t)
-       rmrMessengerMock.AssertCalled(t, "SendMsg", mock.Anything, true)
+       return nodeb
 }
 
-func TestE2SetupRequestNotificationHandler_HandleExistingConnectedGnbWithoutFunctionsSuccess(t *testing.T) {
-       testE2SetupRequestNotificationHandler_HandleExistingConnectedGnbSuccess(t, false)
-}
-
-func TestE2SetupRequestNotificationHandler_HandleExistingConnectedGnbWithFunctionsSuccess(t *testing.T) {
-       testE2SetupRequestNotificationHandler_HandleExistingConnectedGnbSuccess(t, true)
-}
-
-func TestE2SetupRequestNotificationHandler_HandleExistingDisconnectedGnbSuccess(t *testing.T) {
-       xmlGnb := readXmlFile(t, GnbSetupRequestXmlPath)
-       handler, readerMock, writerMock, rmrMessengerMock, e2tInstancesManagerMock, routingManagerClientMock := initMocks(t)
-       readerMock.On("GetGeneralConfiguration").Return(&entities.GeneralConfiguration{EnableRic: true}, nil)
-       e2tInstancesManagerMock.On("GetE2TInstance", e2tInstanceFullAddress).Return(&entities.E2TInstance{}, nil)
-       var nodebInfo = &entities.NodebInfo{
-               RanName:                      gnbNodebRanName,
-               AssociatedE2TInstanceAddress: e2tInstanceFullAddress,
-               ConnectionStatus:             entities.ConnectionStatus_DISCONNECTED,
-               NodeType:                     entities.Node_GNB,
-               Configuration:                &entities.NodebInfo_Gnb{Gnb: &entities.Gnb{}},
-       }
-
-       readerMock.On("GetNodeb", gnbNodebRanName).Return(nodebInfo, nil)
-       routingManagerClientMock.On("AssociateRanToE2TInstance", e2tInstanceFullAddress, mock.Anything).Return(nil)
-
-       notificationRequest := &models.NotificationRequest{RanName: gnbNodebRanName, Payload: append([]byte(e2SetupMsgPrefix), xmlGnb...)}
-       gnbToUpdate := getExpectedNodebForExistingRan(*nodebInfo, notificationRequest.Payload)
-       gnbToUpdate2 := *gnbToUpdate
-       gnbToUpdate2.ConnectionStatus = entities.ConnectionStatus_CONNECTED
-       writerMock.On("UpdateNodebInfoOnConnectionStatusInversion", &gnbToUpdate2, gnbNodebRanName+"_CONNECTED").Return(nil)
-       gnbToUpdate3 := *gnbToUpdate
-       gnbToUpdate3.ConnectionStatus = entities.ConnectionStatus_CONNECTED
-       gnbToUpdate3.AssociatedE2TInstanceAddress = e2tInstanceFullAddress
-       writerMock.On("UpdateNodebInfo", &gnbToUpdate3).Return(nil)
-       e2tInstancesManagerMock.On("AddRansToInstance", e2tInstanceFullAddress, []string{gnbNodebRanName}).Return(nil)
-       var errEmpty error
-       rmrMessengerMock.On("SendMsg", mock.Anything, mock.Anything).Return(&rmrCgo.MBuf{}, errEmpty)
-       handler.Handle(notificationRequest)
-       readerMock.AssertExpectations(t)
-       writerMock.AssertExpectations(t)
-       e2tInstancesManagerMock.AssertExpectations(t)
-}
-
-func getExpectedNodebForExistingRan(nodeb entities.NodebInfo, payload []byte) *entities.NodebInfo {
-       pipInd := bytes.IndexByte(payload, '|')
-       setupRequest := &models.E2SetupRequestMessage{}
-       _ = xml.Unmarshal(normalizeXml(payload[pipInd+1:]), &setupRequest.E2APPDU)
-       if ranFuncs := setupRequest.ExtractRanFunctionsList(); ranFuncs != nil {
-               nodeb.GetGnb().RanFunctions = ranFuncs
-       }
-       return &nodeb
-}
-
-func getExpectedGnbNodebForNewRan(payload []byte) *entities.NodebInfo {
+func getExpectedEnbNodebForNewRan(payload []byte) *entities.NodebInfo {
        pipInd := bytes.IndexByte(payload, '|')
        setupRequest := &models.E2SetupRequestMessage{}
        _ = xml.Unmarshal(normalizeXml(payload[pipInd+1:]), &setupRequest.E2APPDU)
 
        nodeb := &entities.NodebInfo{
                AssociatedE2TInstanceAddress: e2tInstanceFullAddress,
-               RanName:                      gnbNodebRanName,
+               RanName:                      enbNodebRanName,
                SetupFromNetwork:             true,
-               NodeType:                     entities.Node_GNB,
-               Configuration: &entities.NodebInfo_Gnb{
-                       Gnb: &entities.Gnb{
-                               GnbType:      entities.GnbType_GNB,
-                               RanFunctions: setupRequest.ExtractRanFunctionsList(),
+               NodeType:                     entities.Node_ENB,
+               Configuration: &entities.NodebInfo_Enb{
+                       Enb: &entities.Enb{
+                               EnbType: entities.EnbType_MACRO_ENB,
                        },
                },
                GlobalNbId: &entities.GlobalNbId{
@@ -410,221 +516,286 @@ func getExpectedGnbNodebForNewRan(payload []byte) *entities.NodebInfo {
        return nodeb
 }
 
-func getExpectedEnbNodebForNewRan(payload []byte) *entities.NodebInfo {
+/* New Ran UTs - END */
+
+/* Existing Ran UTs - BEGIN */
+
+func getExpectedNodebForExistingRan(nodeb *entities.NodebInfo, payload []byte) *entities.NodebInfo {
        pipInd := bytes.IndexByte(payload, '|')
        setupRequest := &models.E2SetupRequestMessage{}
        _ = xml.Unmarshal(normalizeXml(payload[pipInd+1:]), &setupRequest.E2APPDU)
 
-       nodeb := &entities.NodebInfo{
-               AssociatedE2TInstanceAddress: e2tInstanceFullAddress,
-               RanName:                      enbNodebRanName,
-               SetupFromNetwork:             true,
-               NodeType:                     entities.Node_ENB,
-               Configuration: &entities.NodebInfo_Enb{
-                       Enb: &entities.Enb{
-                               EnbType: entities.EnbType_MACRO_ENB,
-                       },
-               },
-               GlobalNbId: &entities.GlobalNbId{
-                       PlmnId: setupRequest.GetPlmnId(),
-                       NbId:   setupRequest.GetNbId(),
-               },
+       nb := *nodeb
+
+       if nodeb.NodeType == entities.Node_ENB {
+               return &nb
        }
 
-       return nodeb
-}
+       if ranFuncs := setupRequest.ExtractRanFunctionsList(); ranFuncs != nil {
+               updatedGnb := *nodeb.GetGnb()
+               updatedGnb.RanFunctions = ranFuncs
+               nb.Configuration =&entities.NodebInfo_Gnb{Gnb: &updatedGnb}
+       }
 
-func TestE2SetupRequestNotificationHandler_HandleParseError(t *testing.T) {
-       xmlGnb := readXmlFile(t, GnbSetupRequestXmlPath)
-       handler, readerMock, writerMock, rmrMessengerMock, e2tInstancesManagerMock, routingManagerClientMock := initMocks(t)
-       readerMock.On("GetGeneralConfiguration").Return(&entities.GeneralConfiguration{EnableRic: true}, nil)
-       notificationRequest := &models.NotificationRequest{RanName: gnbNodebRanName, Payload: append([]byte("invalid_prefix"), xmlGnb...)}
-       handler.Handle(notificationRequest)
-       readerMock.AssertNotCalled(t, "GetNodeb", mock.Anything)
-       writerMock.AssertNotCalled(t, "SaveNodeb", mock.Anything, mock.Anything)
-       routingManagerClientMock.AssertNotCalled(t, "AssociateRanToE2TInstance", e2tInstanceFullAddress, mock.Anything)
-       writerMock.AssertNotCalled(t, "UpdateNodebInfo", mock.Anything)
-       e2tInstancesManagerMock.AssertNotCalled(t, "AddRansToInstance", mock.Anything, mock.Anything)
-       rmrMessengerMock.AssertNotCalled(t, "SendMsg", mock.Anything, mock.Anything)
+       return &nb
 }
 
-func TestE2SetupRequestNotificationHandler_HandleUnmarshalError(t *testing.T) {
-       handler, readerMock, writerMock, rmrMessengerMock, e2tInstancesManagerMock, routingManagerClientMock := initMocks(t)
-       readerMock.On("GetGeneralConfiguration").Return(&entities.GeneralConfiguration{EnableRic: true}, nil)
-       notificationRequest := &models.NotificationRequest{RanName: gnbNodebRanName, Payload: append([]byte(e2SetupMsgPrefix), "xmlGnb"...)}
-       handler.Handle(notificationRequest)
-       readerMock.AssertNotCalled(t, "GetNodeb", mock.Anything)
-       writerMock.AssertNotCalled(t, "SaveNodeb", mock.Anything, mock.Anything)
-       routingManagerClientMock.AssertNotCalled(t, "AssociateRanToE2TInstance", e2tInstanceFullAddress, mock.Anything)
-       writerMock.AssertNotCalled(t, "UpdateNodebInfo", mock.Anything)
-       e2tInstancesManagerMock.AssertNotCalled(t, "AddRansToInstance", mock.Anything, mock.Anything)
-       rmrMessengerMock.AssertNotCalled(t, "SendMsg", mock.Anything, mock.Anything)
-}
+func TestE2SetupRequestNotificationHandler_HandleExistingConnectedEnbSuccess(t *testing.T) {
+       xmlEnb := readXmlFile(t, EnbSetupRequestXmlPath)
+       handler, readerMock, writerMock, rmrMessengerMock, e2tInstancesManagerMock, routingManagerClientMock, ranListManager := initMocks(t)
 
-func TestE2SetupRequestNotificationHandler_HandleGetE2TInstanceError(t *testing.T) {
-       xmlGnb := readXmlFile(t, GnbSetupRequestXmlPath)
-       handler, readerMock, writerMock, rmrMessengerMock, e2tInstancesManagerMock, routingManagerClientMock := initMocks(t)
+       oldNbIdentity := &entities.NbIdentity{InventoryName: enbNodebRanName, ConnectionStatus: entities.ConnectionStatus_CONNECTED, GlobalNbId: &entities.GlobalNbId{PlmnId: "plmnId1", NbId: "nbId1"}}
+       readerMock.On("GetListNodebIds").Return([]*entities.NbIdentity{oldNbIdentity}, nil)
+
+       err := ranListManager.InitNbIdentityMap()
+       if err != nil {
+               t.Errorf("Error cannot init identity")
+       }
        readerMock.On("GetGeneralConfiguration").Return(&entities.GeneralConfiguration{EnableRic: true}, nil)
-       e2tInstancesManagerMock.On("GetE2TInstance", e2tInstanceFullAddress).Return(&entities.E2TInstance{}, common.NewResourceNotFoundError("Not found"))
-       prefBytes := []byte(e2SetupMsgPrefix)
-       notificationRequest := &models.NotificationRequest{RanName: gnbNodebRanName, Payload: append(prefBytes, xmlGnb...)}
+       e2tInstancesManagerMock.On("GetE2TInstance", e2tInstanceFullAddress).Return(&entities.E2TInstance{}, nil)
+       var nodebInfo = &entities.NodebInfo{
+               RanName:                      enbNodebRanName,
+               AssociatedE2TInstanceAddress: e2tInstanceFullAddress,
+               ConnectionStatus:             entities.ConnectionStatus_CONNECTED,
+               NodeType:                     entities.Node_ENB,
+               Configuration:                &entities.NodebInfo_Enb{Enb: &entities.Enb{}},
+       }
+
+       readerMock.On("GetNodeb", enbNodebRanName).Return(nodebInfo, nil)
+       routingManagerClientMock.On("AssociateRanToE2TInstance", e2tInstanceFullAddress, mock.Anything).Return(nil)
+
+       notificationRequest := &models.NotificationRequest{RanName: enbNodebRanName, Payload: append([]byte(e2SetupMsgPrefix), xmlEnb...)}
+       enbToUpdate := getExpectedNodebForExistingRan(nodebInfo, notificationRequest.Payload)
+       enbToUpdate.SetupFromNetwork = true
+       newNbIdentity := &entities.NbIdentity{InventoryName: enbNodebRanName, ConnectionStatus: entities.ConnectionStatus_CONNECTED, GlobalNbId: &entities.GlobalNbId{PlmnId: "plmnId1", NbId: "nbId1"}}
+       writerMock.On("UpdateNbIdentities", enbToUpdate.GetNodeType(), []*entities.NbIdentity{oldNbIdentity}, []*entities.NbIdentity{newNbIdentity}).Return(nil)
+       writerMock.On("UpdateNodebInfo", enbToUpdate).Return(nil)
+       e2tInstancesManagerMock.On("AddRansToInstance", e2tInstanceFullAddress, []string{enbNodebRanName}).Return(nil)
+       var errEmpty error
+       rmrMessengerMock.On("SendMsg", mock.Anything, true).Return(&rmrCgo.MBuf{}, errEmpty)
        handler.Handle(notificationRequest)
-       e2tInstancesManagerMock.AssertCalled(t, "GetE2TInstance", e2tInstanceFullAddress)
-       readerMock.AssertNotCalled(t, "GetNodeb", mock.Anything)
-       writerMock.AssertNotCalled(t, "SaveNodeb", mock.Anything, mock.Anything)
-       routingManagerClientMock.AssertNotCalled(t, "AssociateRanToE2TInstance", e2tInstanceFullAddress, mock.Anything)
-       writerMock.AssertNotCalled(t, "UpdateNodebInfo", mock.Anything)
-       e2tInstancesManagerMock.AssertNotCalled(t, "AddRansToInstance", mock.Anything, mock.Anything)
-       rmrMessengerMock.AssertNotCalled(t, "SendMsg", mock.Anything, mock.Anything)
+       readerMock.AssertExpectations(t)
+       writerMock.AssertExpectations(t)
+       e2tInstancesManagerMock.AssertExpectations(t)
+       rmrMessengerMock.AssertCalled(t, "SendMsg", mock.Anything, true)
 }
 
-func TestE2SetupRequestNotificationHandler_HandleGetNodebError(t *testing.T) {
-       xmlGnb := readXmlFile(t, GnbSetupRequestXmlPath)
-       handler, readerMock, writerMock, routingManagerClientMock, e2tInstancesManagerMock, rmrMessengerMock := initMocks(t)
+func TestE2SetupRequestNotificationHandler_HandleExistingDisconnectedEnbSuccess(t *testing.T) {
+       xmlEnb := readXmlFile(t, EnbSetupRequestXmlPath)
+       handler, readerMock, writerMock, rmrMessengerMock, e2tInstancesManagerMock, routingManagerClientMock, ranListManager := initMocks(t)
+
+       oldNbIdentity := &entities.NbIdentity{InventoryName: enbNodebRanName, ConnectionStatus: entities.ConnectionStatus_DISCONNECTED, GlobalNbId: &entities.GlobalNbId{PlmnId: "plmnId1", NbId: "nbId1"}}
+       readerMock.On("GetListNodebIds").Return([]*entities.NbIdentity{oldNbIdentity}, nil)
+       err := ranListManager.InitNbIdentityMap()
+       if err != nil {
+               t.Errorf("Error cannot init identity")
+       }
+
        readerMock.On("GetGeneralConfiguration").Return(&entities.GeneralConfiguration{EnableRic: true}, nil)
        e2tInstancesManagerMock.On("GetE2TInstance", e2tInstanceFullAddress).Return(&entities.E2TInstance{}, nil)
-       var gnb *entities.NodebInfo
-       readerMock.On("GetNodeb", mock.Anything).Return(gnb, common.NewInternalError(errors.New("some error")))
-       notificationRequest := &models.NotificationRequest{RanName: gnbNodebRanName, Payload: append([]byte(e2SetupMsgPrefix), xmlGnb...)}
+       var nodebInfo = &entities.NodebInfo{
+               RanName:                      enbNodebRanName,
+               AssociatedE2TInstanceAddress: e2tInstanceFullAddress,
+               ConnectionStatus:             entities.ConnectionStatus_DISCONNECTED,
+               NodeType:                     entities.Node_ENB,
+               Configuration:                &entities.NodebInfo_Enb{Enb: &entities.Enb{}},
+       }
+
+       readerMock.On("GetNodeb", enbNodebRanName).Return(nodebInfo, nil)
+       routingManagerClientMock.On("AssociateRanToE2TInstance", e2tInstanceFullAddress, mock.Anything).Return(nil)
+
+       notificationRequest := &models.NotificationRequest{RanName: enbNodebRanName, Payload: append([]byte(e2SetupMsgPrefix), xmlEnb...)}
+       enbToUpdate := getExpectedNodebForExistingRan(nodebInfo, notificationRequest.Payload)
+
+       enbToUpdate2 := *enbToUpdate
+       enbToUpdate2.ConnectionStatus = entities.ConnectionStatus_CONNECTED
+       enbToUpdate2.SetupFromNetwork = true
+       writerMock.On("UpdateNodebInfoOnConnectionStatusInversion", &enbToUpdate2, enbNodebRanName+"_CONNECTED").Return(nil)
+
+       newNbIdentity := &entities.NbIdentity{InventoryName: enbNodebRanName, ConnectionStatus: entities.ConnectionStatus_CONNECTED, GlobalNbId: &entities.GlobalNbId{PlmnId: "plmnId1", NbId: "nbId1"}}
+       writerMock.On("UpdateNbIdentities", enbToUpdate.GetNodeType(), []*entities.NbIdentity{oldNbIdentity}, []*entities.NbIdentity{newNbIdentity}).Return(nil)
+
+       enbToUpdate3 := *enbToUpdate
+       enbToUpdate3.ConnectionStatus = entities.ConnectionStatus_CONNECTED
+       enbToUpdate3.SetupFromNetwork = true
+       enbToUpdate3.AssociatedE2TInstanceAddress = e2tInstanceFullAddress
+       writerMock.On("UpdateNodebInfo", &enbToUpdate3).Return(nil)
+       e2tInstancesManagerMock.On("AddRansToInstance", e2tInstanceFullAddress, []string{enbNodebRanName}).Return(nil)
+       var errEmpty error
+       rmrMessengerMock.On("SendMsg", mock.Anything, true).Return(&rmrCgo.MBuf{}, errEmpty)
        handler.Handle(notificationRequest)
-       e2tInstancesManagerMock.AssertCalled(t, "GetE2TInstance", e2tInstanceFullAddress)
-       readerMock.AssertCalled(t, "GetNodeb", mock.Anything)
-       writerMock.AssertNotCalled(t, "SaveNodeb", mock.Anything, mock.Anything)
-       routingManagerClientMock.AssertNotCalled(t, "AssociateRanToE2TInstance", e2tInstanceFullAddress, mock.Anything)
-       writerMock.AssertNotCalled(t, "UpdateNodebInfo", mock.Anything)
-       e2tInstancesManagerMock.AssertNotCalled(t, "AddRansToInstance", mock.Anything, mock.Anything)
-       rmrMessengerMock.AssertNotCalled(t, "SendMsg", mock.Anything, mock.Anything)
+       readerMock.AssertExpectations(t)
+       writerMock.AssertExpectations(t)
+       e2tInstancesManagerMock.AssertExpectations(t)
+       rmrMessengerMock.AssertCalled(t, "SendMsg", mock.Anything, true)
 }
 
-func TestE2SetupRequestNotificationHandler_HandleAssociationError(t *testing.T) {
-       xmlGnb := readXmlFile(t, GnbSetupRequestXmlPath)
+func testE2SetupRequestNotificationHandler_HandleExistingConnectedGnbSuccess(t *testing.T, withFunctions bool, xmlToRead string) {
+       xmlGnb := readXmlFile(t, xmlToRead)
+       handler, readerMock, writerMock, rmrMessengerMock, e2tInstancesManagerMock, routingManagerClientMock, ranListManager := initMocks(t)
+
+       oldNbIdentity := &entities.NbIdentity{InventoryName: gnbNodebRanName, ConnectionStatus: entities.ConnectionStatus_CONNECTED, GlobalNbId: &entities.GlobalNbId{PlmnId: "plmnId1", NbId: "nbId1"}}
+       readerMock.On("GetListNodebIds").Return([]*entities.NbIdentity{oldNbIdentity}, nil)
+       err := ranListManager.InitNbIdentityMap()
+       if err != nil {
+               t.Errorf("Error cannot init identity")
+       }
 
-       handler, readerMock, writerMock, rmrMessengerMock, e2tInstancesManagerMock, routingManagerClientMock := initMocks(t)
        readerMock.On("GetGeneralConfiguration").Return(&entities.GeneralConfiguration{EnableRic: true}, nil)
        e2tInstancesManagerMock.On("GetE2TInstance", e2tInstanceFullAddress).Return(&entities.E2TInstance{}, nil)
-       var gnb *entities.NodebInfo
-       readerMock.On("GetNodeb", mock.Anything).Return(gnb, common.NewResourceNotFoundError("Not found"))
+       var nodebInfo = &entities.NodebInfo{
+               RanName:                      gnbNodebRanName,
+               AssociatedE2TInstanceAddress: e2tInstanceFullAddress,
+               ConnectionStatus:             entities.ConnectionStatus_CONNECTED,
+               NodeType:                     entities.Node_GNB,
+               Configuration:                &entities.NodebInfo_Gnb{Gnb: &entities.Gnb{}},
+       }
+
+       if withFunctions {
+               gnb := nodebInfo.GetGnb()
+               gnb.RanFunctions = []*entities.RanFunction{{RanFunctionId: 2, RanFunctionRevision: 2}}
+       }
+
+       readerMock.On("GetNodeb", gnbNodebRanName).Return(nodebInfo, nil)
+       routingManagerClientMock.On("AssociateRanToE2TInstance", e2tInstanceFullAddress, mock.Anything).Return(nil)
+
        notificationRequest := &models.NotificationRequest{RanName: gnbNodebRanName, Payload: append([]byte(e2SetupMsgPrefix), xmlGnb...)}
-       nodebInfo := getExpectedGnbNodebForNewRan(notificationRequest.Payload)
-       writerMock.On("SaveNodeb", nodebInfo).Return(nil)
-       nbIdentity := &entities.NbIdentity{InventoryName: gnbNodebRanName, GlobalNbId: nodebInfo.GlobalNbId}
-       writerMock.On("AddNbIdentity", entities.Node_GNB, nbIdentity).Return(nil)
-       updatedNodebInfo := *nodebInfo
-       updatedNodebInfo.ConnectionStatus = entities.ConnectionStatus_CONNECTED
-       writerMock.On("UpdateNodebInfoOnConnectionStatusInversion", &updatedNodebInfo, gnbNodebRanName+"_CONNECTED").Return(nil)
-       writerMock.On("UpdateNodebInfo", mock.Anything).Return(nil)
-       e2tInstancesManagerMock.On("AddRansToInstance", mock.Anything, mock.Anything).Return(nil)
-       routingManagerClientMock.On("AssociateRanToE2TInstance", e2tInstanceFullAddress, mock.Anything).Return(errors.New("association error"))
-       updatedNodebInfo2 := *nodebInfo
-       updatedNodebInfo2.ConnectionStatus = entities.ConnectionStatus_DISCONNECTED
-       writerMock.On("UpdateNodebInfoOnConnectionStatusInversion", &updatedNodebInfo2, gnbNodebRanName+"_DISCONNECTED").Return(nil)
+       gnbToUpdate := getExpectedNodebForExistingRan(nodebInfo, notificationRequest.Payload)
+       gnbToUpdate.SetupFromNetwork = true
+       writerMock.On("UpdateNodebInfo", gnbToUpdate).Return(nil)
+       if withFunctions {
+               writerMock.On("UpdateNodebInfoAndPublish", gnbToUpdate).Return(nil)
+       }
+       newNbIdentity := &entities.NbIdentity{InventoryName: gnbNodebRanName, ConnectionStatus: entities.ConnectionStatus_CONNECTED, GlobalNbId: &entities.GlobalNbId{PlmnId: "plmnId1", NbId: "nbId1"}}
+       writerMock.On("UpdateNbIdentities", gnbToUpdate.GetNodeType(), []*entities.NbIdentity{oldNbIdentity}, []*entities.NbIdentity{newNbIdentity}).Return(nil)
+
+       e2tInstancesManagerMock.On("AddRansToInstance", e2tInstanceFullAddress, []string{gnbNodebRanName}).Return(nil)
        var errEmpty error
-       mbuf := getMbuf(gnbNodebRanName, rmrCgo.RIC_E2_SETUP_FAILURE, E2SetupFailureResponseWithTransportCause, notificationRequest)
-       rmrMessengerMock.On("WhSendMsg", mbuf, true).Return(&rmrCgo.MBuf{}, errEmpty)
+       rmrMessengerMock.On("SendMsg", mock.Anything, true).Return(&rmrCgo.MBuf{}, errEmpty)
        handler.Handle(notificationRequest)
-       readerMock.AssertCalled(t, "GetNodeb", mock.Anything)
-       e2tInstancesManagerMock.AssertCalled(t, "GetE2TInstance", e2tInstanceFullAddress)
-       writerMock.AssertCalled(t, "SaveNodeb", mock.Anything, mock.Anything)
-       routingManagerClientMock.AssertCalled(t, "AssociateRanToE2TInstance", e2tInstanceFullAddress, mock.Anything)
-       e2tInstancesManagerMock.AssertNotCalled(t, "AddRansToInstance", mock.Anything, mock.Anything)
-       rmrMessengerMock.AssertCalled(t, "WhSendMsg", mbuf, true)
+       readerMock.AssertExpectations(t)
+       writerMock.AssertExpectations(t)
+       e2tInstancesManagerMock.AssertExpectations(t)
+       rmrMessengerMock.AssertCalled(t, "SendMsg", mock.Anything, true)
 }
 
-func TestE2SetupRequestNotificationHandler_ConvertTo20BitStringError(t *testing.T) {
-       xmlEnGnb := readXmlFile(t, EnGnbSetupRequestXmlPath)
-       logger := tests.InitLog(t)
-       config := &configuration.Configuration{
-               RnibRetryIntervalMs:       10,
-               MaxRnibConnectionAttempts: 3,
-               RnibWriter: configuration.RnibWriterConfig{
-                       StateChangeMessageChannel: StateChangeMessageChannel,
-               },
-               GlobalRicId: struct {
-                       RicId string
-                       Mcc   string
-                       Mnc   string
-               }{Mcc: "327", Mnc: "94", RicId: "10011001101010101011"}}
-       rmrMessengerMock := &mocks.RmrMessengerMock{}
-       rmrSender := tests.InitRmrSender(rmrMessengerMock, logger)
-       readerMock := &mocks.RnibReaderMock{}
-       writerMock := &mocks.RnibWriterMock{}
-       routingManagerClientMock := &mocks.RoutingManagerClientMock{}
-       rnibDataService := services.NewRnibDataService(logger, config, readerMock, writerMock)
-       e2tInstancesManagerMock := &mocks.E2TInstancesManagerMock{}
-       ranListManager := managers.NewRanListManager(logger, rnibDataService)
-       ranAlarmService := services.NewRanAlarmService(logger, config)
-       ranConnectStatusChangeManager := managers.NewRanConnectStatusChangeManager(logger, rnibDataService, ranListManager, ranAlarmService)
-
-       e2tAssociationManager := managers.NewE2TAssociationManager(logger, rnibDataService, e2tInstancesManagerMock, routingManagerClientMock, ranConnectStatusChangeManager)
-       handler := NewE2SetupRequestNotificationHandler(logger, config, e2tInstancesManagerMock, rmrSender, rnibDataService, e2tAssociationManager, ranConnectStatusChangeManager, ranListManager)
+func TestE2SetupRequestNotificationHandler_HandleExistingConnectedGnbRoutingManagerError(t *testing.T) {
+       xmlGnb := readXmlFile(t, GnbSetupRequestXmlPath)
+       handler, readerMock, writerMock, rmrMessengerMock, e2tInstancesManagerMock, routingManagerClientMock, ranListManager := initMocks(t)
        readerMock.On("GetGeneralConfiguration").Return(&entities.GeneralConfiguration{EnableRic: true}, nil)
        e2tInstancesManagerMock.On("GetE2TInstance", e2tInstanceFullAddress).Return(&entities.E2TInstance{}, nil)
-       var gnb *entities.NodebInfo
-       readerMock.On("GetNodeb", mock.Anything).Return(gnb, common.NewResourceNotFoundError("Not found"))
-       writerMock.On("SaveNodeb", mock.Anything, mock.Anything).Return(nil)
-       writerMock.On("AddNbIdentity", entities.Node_GNB, mock.Anything).Return(nil)
-       writerMock.On("UpdateNodebInfoOnConnectionStatusInversion", mock.Anything, mock.Anything).Return(nil)
-       routingManagerClientMock.On("AssociateRanToE2TInstance", e2tInstanceFullAddress, mock.Anything).Return(nil)
-       writerMock.On("UpdateNodebInfo", mock.Anything).Return(nil)
-       e2tInstancesManagerMock.On("AddRansToInstance", mock.Anything, mock.Anything).Return(nil)
+       var nodebInfo = &entities.NodebInfo{
+               RanName:                      gnbNodebRanName,
+               AssociatedE2TInstanceAddress: e2tInstanceFullAddress,
+               ConnectionStatus:             entities.ConnectionStatus_CONNECTED,
+               NodeType:                     entities.Node_GNB,
+               Configuration:                &entities.NodebInfo_Gnb{Gnb: &entities.Gnb{}},
+       }
+       oldNbIdentity := &entities.NbIdentity{InventoryName: gnbNodebRanName, ConnectionStatus: entities.ConnectionStatus_CONNECTED, GlobalNbId: &entities.GlobalNbId{PlmnId: "plmnId1", NbId: "nbId1"}}
+       readerMock.On("GetListNodebIds").Return([]*entities.NbIdentity{oldNbIdentity}, nil)
+       err := ranListManager.InitNbIdentityMap()
+       if err != nil {
+               t.Errorf("Error cannot init identity")
+       }
+
+       gnb := nodebInfo.GetGnb()
+       gnb.RanFunctions = []*entities.RanFunction{{RanFunctionId: 2, RanFunctionRevision: 2}}
+
+       readerMock.On("GetNodeb", gnbNodebRanName).Return(nodebInfo, nil)
+       routingManagerClientMock.On("AssociateRanToE2TInstance", e2tInstanceFullAddress, mock.Anything).Return(errors.New("association error"))
+
+       notificationRequest := &models.NotificationRequest{RanName: gnbNodebRanName, Payload: append([]byte(e2SetupMsgPrefix), xmlGnb...)}
+       gnbToUpdate := getExpectedNodebForExistingRan(nodebInfo, notificationRequest.Payload)
+
+       gnbToUpdate2 := *gnbToUpdate
+       gnbToUpdate2.ConnectionStatus = entities.ConnectionStatus_DISCONNECTED
+       gnbToUpdate2.SetupFromNetwork = true
+       writerMock.On("UpdateNodebInfoOnConnectionStatusInversion", &gnbToUpdate2, gnbNodebRanName+"_DISCONNECTED").Return(nil)
+
+       newNbIdentity := &entities.NbIdentity{InventoryName: gnbNodebRanName, ConnectionStatus: entities.ConnectionStatus_DISCONNECTED, GlobalNbId: &entities.GlobalNbId{PlmnId: "plmnId1", NbId: "nbId1"}}
+       writerMock.On("UpdateNbIdentities", gnbToUpdate2.GetNodeType(), []*entities.NbIdentity{oldNbIdentity}, []*entities.NbIdentity{newNbIdentity}).Return(nil)
        var errEmpty error
-       rmrMessage := &rmrCgo.MBuf{}
-       rmrMessengerMock.On("SendMsg", mock.Anything, mock.Anything).Return(rmrMessage, errEmpty)
-       prefBytes := []byte(e2SetupMsgPrefix)
-       notificationRequest := &models.NotificationRequest{RanName: gnbNodebRanName, Payload: append(prefBytes, xmlEnGnb...)}
+       rmrMessengerMock.On("WhSendMsg", mock.Anything, true).Return(&rmrCgo.MBuf{}, errEmpty)
        handler.Handle(notificationRequest)
-       readerMock.AssertCalled(t, "GetNodeb", mock.Anything)
-       e2tInstancesManagerMock.AssertCalled(t, "GetE2TInstance", e2tInstanceFullAddress)
-       writerMock.AssertCalled(t, "SaveNodeb", mock.Anything, mock.Anything)
-       routingManagerClientMock.AssertCalled(t, "AssociateRanToE2TInstance", e2tInstanceFullAddress, mock.Anything)
-       writerMock.AssertCalled(t, "UpdateNodebInfo", mock.Anything)
-       e2tInstancesManagerMock.AssertCalled(t, "AddRansToInstance", mock.Anything, mock.Anything)
-       rmrMessengerMock.AssertNotCalled(t, "SendMsg", mock.Anything, mock.Anything)
+       readerMock.AssertExpectations(t)
+       writerMock.AssertExpectations(t)
+       e2tInstancesManagerMock.AssertExpectations(t)
+       rmrMessengerMock.AssertCalled(t, "WhSendMsg", mock.Anything, true)
 }
 
-func TestE2SetupRequestNotificationHandler_HandleExistingGnbInvalidStatusError(t *testing.T) {
+func TestE2SetupRequestNotificationHandler_HandleExistingGnbInvalidConnectionStatusError(t *testing.T) {
        xmlGnb := readXmlFile(t, GnbSetupRequestXmlPath)
-       handler, readerMock, writerMock, routingManagerClientMock, e2tInstancesManagerMock, rmrMessengerMock := initMocks(t)
+       handler, readerMock, writerMock, _, e2tInstancesManagerMock, rmrMessengerMock, _ := initMocks(t)
        var gnb = &entities.NodebInfo{RanName: gnbNodebRanName, ConnectionStatus: entities.ConnectionStatus_SHUTTING_DOWN}
-       readerMock.On("GetNodeb", mock.Anything).Return(gnb, nil)
+       readerMock.On("GetNodeb", gnbNodebRanName).Return(gnb, nil)
        readerMock.On("GetGeneralConfiguration").Return(&entities.GeneralConfiguration{EnableRic: true}, nil)
        e2tInstancesManagerMock.On("GetE2TInstance", e2tInstanceFullAddress).Return(&entities.E2TInstance{}, nil)
        prefBytes := []byte(e2SetupMsgPrefix)
        notificationRequest := &models.NotificationRequest{RanName: gnbNodebRanName, Payload: append(prefBytes, xmlGnb...)}
        handler.Handle(notificationRequest)
-       readerMock.AssertCalled(t, "GetNodeb", mock.Anything)
-       e2tInstancesManagerMock.AssertCalled(t, "GetE2TInstance", e2tInstanceFullAddress)
-       writerMock.AssertNotCalled(t, "SaveNodeb", mock.Anything, mock.Anything)
-       routingManagerClientMock.AssertNotCalled(t, "AssociateRanToE2TInstance", e2tInstanceFullAddress, mock.Anything)
-       writerMock.AssertNotCalled(t, "UpdateNodebInfo", mock.Anything)
-       e2tInstancesManagerMock.AssertNotCalled(t, "AddRansToInstance", mock.Anything, mock.Anything)
+       readerMock.AssertExpectations(t)
+       writerMock.AssertExpectations(t)
+       e2tInstancesManagerMock.AssertExpectations(t)
        rmrMessengerMock.AssertNotCalled(t, "SendMsg", mock.Anything, mock.Anything)
 }
 
-func initMocks(t *testing.T) (*E2SetupRequestNotificationHandler, *mocks.RnibReaderMock, *mocks.RnibWriterMock, *mocks.RmrMessengerMock, *mocks.E2TInstancesManagerMock, *mocks.RoutingManagerClientMock) {
-       logger := tests.InitLog(t)
-       config := &configuration.Configuration{
-               RnibRetryIntervalMs:       10,
-               MaxRnibConnectionAttempts: 3,
-               RnibWriter: configuration.RnibWriterConfig{
-                       StateChangeMessageChannel: StateChangeMessageChannel,
-               },
-               GlobalRicId: struct {
-                       RicId string
-                       Mcc   string
-                       Mnc   string
-               }{Mcc: "327", Mnc: "94", RicId: "AACCE"}}
-       rmrMessengerMock := &mocks.RmrMessengerMock{}
-       rmrSender := tests.InitRmrSender(rmrMessengerMock, logger)
-       readerMock := &mocks.RnibReaderMock{}
-       writerMock := &mocks.RnibWriterMock{}
-       routingManagerClientMock := &mocks.RoutingManagerClientMock{}
-       rnibDataService := services.NewRnibDataService(logger, config, readerMock, writerMock)
-       e2tInstancesManagerMock := &mocks.E2TInstancesManagerMock{}
-       ranListManager := managers.NewRanListManager(logger, rnibDataService)
-       ranAlarmService := services.NewRanAlarmService(logger, config)
-       ranConnectStatusChangeManager := managers.NewRanConnectStatusChangeManager(logger, rnibDataService, ranListManager, ranAlarmService)
-       e2tAssociationManager := managers.NewE2TAssociationManager(logger, rnibDataService, e2tInstancesManagerMock, routingManagerClientMock, ranConnectStatusChangeManager)
-       handler := NewE2SetupRequestNotificationHandler(logger, config, e2tInstancesManagerMock, rmrSender, rnibDataService, e2tAssociationManager, ranConnectStatusChangeManager, ranListManager)
-       return handler, readerMock, writerMock, rmrMessengerMock, e2tInstancesManagerMock, routingManagerClientMock
+func TestE2SetupRequestNotificationHandler_HandleExistingConnectedGnbWithoutFunctionsSuccess(t *testing.T) {
+       testE2SetupRequestNotificationHandler_HandleExistingConnectedGnbSuccess(t, false, GnbWithoutFunctionsSetupRequestXmlPath)
+}
+
+func TestE2SetupRequestNotificationHandler_HandleExistingConnectedGnbWithFunctionsSuccess(t *testing.T) {
+       testE2SetupRequestNotificationHandler_HandleExistingConnectedGnbSuccess(t, true, GnbSetupRequestXmlPath)
+}
+
+func TestE2SetupRequestNotificationHandler_HandleExistingConnectedGnbWithZeroFunctionsSuccess(t *testing.T) {
+       testE2SetupRequestNotificationHandler_HandleExistingConnectedGnbSuccess(t, true, GnbWithZeroFunctionsSetupRequestXmlPath)
 }
+
+func TestE2SetupRequestNotificationHandler_HandleExistingDisconnectedGnbSuccess(t *testing.T) {
+       xmlGnb := readXmlFile(t, GnbSetupRequestXmlPath)
+       handler, readerMock, writerMock, rmrMessengerMock, e2tInstancesManagerMock, routingManagerClientMock, ranListManager := initMocks(t)
+       oldNbIdentity := &entities.NbIdentity{InventoryName: gnbNodebRanName, ConnectionStatus: entities.ConnectionStatus_DISCONNECTED, GlobalNbId: &entities.GlobalNbId{PlmnId: "plmnId1", NbId: "nbId1"}}
+       readerMock.On("GetListNodebIds").Return([]*entities.NbIdentity{oldNbIdentity}, nil)
+       err := ranListManager.InitNbIdentityMap()
+       if err != nil {
+               t.Errorf("Error cannot init identity")
+       }
+
+       readerMock.On("GetGeneralConfiguration").Return(&entities.GeneralConfiguration{EnableRic: true}, nil)
+       e2tInstancesManagerMock.On("GetE2TInstance", e2tInstanceFullAddress).Return(&entities.E2TInstance{}, nil)
+       var nodebInfo = &entities.NodebInfo{
+               RanName:                      gnbNodebRanName,
+               AssociatedE2TInstanceAddress: e2tInstanceFullAddress,
+               ConnectionStatus:             entities.ConnectionStatus_DISCONNECTED,
+               NodeType:                     entities.Node_GNB,
+               Configuration:                &entities.NodebInfo_Gnb{Gnb: &entities.Gnb{}},
+       }
+
+       readerMock.On("GetNodeb", gnbNodebRanName).Return(nodebInfo, nil)
+       routingManagerClientMock.On("AssociateRanToE2TInstance", e2tInstanceFullAddress, mock.Anything).Return(nil)
+
+       notificationRequest := &models.NotificationRequest{RanName: gnbNodebRanName, Payload: append([]byte(e2SetupMsgPrefix), xmlGnb...)}
+       gnbToUpdate := getExpectedNodebForExistingRan(nodebInfo, notificationRequest.Payload)
+       gnbToUpdate2 := *gnbToUpdate
+       gnbToUpdate2.ConnectionStatus = entities.ConnectionStatus_CONNECTED
+       gnbToUpdate2.SetupFromNetwork = true
+       writerMock.On("UpdateNodebInfoOnConnectionStatusInversion", &gnbToUpdate2, gnbNodebRanName+"_CONNECTED").Return(nil)
+       gnbToUpdate3 := *gnbToUpdate
+       gnbToUpdate3.ConnectionStatus = entities.ConnectionStatus_CONNECTED
+       gnbToUpdate3.SetupFromNetwork = true
+       gnbToUpdate3.AssociatedE2TInstanceAddress = e2tInstanceFullAddress
+       writerMock.On("UpdateNodebInfo", &gnbToUpdate3).Return(nil)
+
+       newNbIdentity := &entities.NbIdentity{InventoryName: gnbNodebRanName, ConnectionStatus: entities.ConnectionStatus_CONNECTED, GlobalNbId: &entities.GlobalNbId{PlmnId: "plmnId1", NbId: "nbId1"}}
+       writerMock.On("UpdateNbIdentities", gnbToUpdate3.GetNodeType(), []*entities.NbIdentity{oldNbIdentity}, []*entities.NbIdentity{newNbIdentity}).Return(nil)
+
+       e2tInstancesManagerMock.On("AddRansToInstance", e2tInstanceFullAddress, []string{gnbNodebRanName}).Return(nil)
+       var errEmpty error
+       rmrMessengerMock.On("SendMsg", mock.Anything, mock.Anything).Return(&rmrCgo.MBuf{}, errEmpty)
+       handler.Handle(notificationRequest)
+       readerMock.AssertExpectations(t)
+       writerMock.AssertExpectations(t)
+       e2tInstancesManagerMock.AssertExpectations(t)
+}
+
+/* Existing Ran UTs - END */