E2Manager/handlers/rmrmsghandlers/x2_reset_response_handler_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 rmrmsghandlers
  22
  23 import (
  24         "e2mgr/configuration"
  25         "e2mgr/converters"
  26         "e2mgr/enums"
  27         "e2mgr/logger"
  28         "e2mgr/managers"
  29         "e2mgr/mocks"
  30         "e2mgr/models"
  31         "e2mgr/rmrCgo"
  32         "e2mgr/services"
  33         "fmt"
  34         "gerrit.o-ran-sc.org/r/ric-plt/nodeb-rnib.git/common"
  35         "gerrit.o-ran-sc.org/r/ric-plt/nodeb-rnib.git/entities"
  36         "gerrit.o-ran-sc.org/r/ric-plt/nodeb-rnib.git/reader"
  37         "testing"
  38         "time"
  39 )
  40
  41 const (
  42         SuccessfulX2ResetResponsePackedPdu = "200700080000010011400100"
  43         SuccessfulX2ResetResponsePackedPduEmptyIEs = "20070003000000"
  44         UnsuccessfulX2ResetResponsePackedPdu = "2007000d00000100114006080000000d00"
  45 )
  46
  47 func initX2ResetResponseHandlerTest(t *testing.T) (X2ResetResponseHandler, *mocks.RnibReaderMock, *mocks.RmrMessengerMock) {
  48         log, err := logger.InitLogger(logger.InfoLevel)
  49         config := &configuration.Configuration{RnibRetryIntervalMs: 10, MaxRnibConnectionAttempts: 3}
  50         if err != nil {
  51                 t.Errorf("#initX2ResetResponseHandlerTest - failed to initialize logger, error: %s", err)
  52         }
  53         readerMock := &mocks.RnibReaderMock{}
  54         rnibReaderProvider := func() reader.RNibReader {
  55                 return readerMock
  56         }
  57
  58         rnibDataService := services.NewRnibDataService(log, config, rnibReaderProvider, nil)
  59
  60         rmrMessengerMock := &mocks.RmrMessengerMock{}
  61         rmrSender := initRmrSender(rmrMessengerMock, log)
  62         ranStatusChangeManager := managers.NewRanStatusChangeManager(log, rmrSender)
  63
  64         h := NewX2ResetResponseHandler(log, rnibDataService, ranStatusChangeManager, converters.NewX2ResetResponseExtractor(log))
  65         return h, readerMock, rmrMessengerMock
  66 }
  67
  68 func TestX2ResetResponseSuccess(t *testing.T) {
  69         h, readerMock, rmrMessengerMock := initX2ResetResponseHandlerTest(t)
  70         var payload []byte
  71         _, err := fmt.Sscanf(SuccessfulX2ResetResponsePackedPdu, "%x", &payload)
  72         if err != nil {
  73                 t.Fatalf("Failed converting packed pdu. Error: %v\n", err)
  74         }
  75
  76         xaction := []byte(RanName)
  77         notificationRequest := models.NotificationRequest{RanName: RanName, Len: len(payload), Payload: payload, StartTime: time.Now(), TransactionId: string(xaction)}
  78         nb := &entities.NodebInfo{RanName: RanName, ConnectionStatus: entities.ConnectionStatus_CONNECTED, NodeType: entities.Node_ENB}
  79         var rnibErr error
  80         readerMock.On("GetNodeb", RanName).Return(nb, rnibErr)
  81         ranRestartedMbuf := getRanRestartedMbuf(nb.NodeType, enums.RIC_TO_RAN)
  82         rmrMessengerMock.On("SendMsg", ranRestartedMbuf).Return(&rmrCgo.MBuf{}, err)
  83         h.Handle(&notificationRequest)
  84         rmrMessengerMock.AssertCalled(t, "SendMsg", ranRestartedMbuf)
  85 }
  86
  87 func TestX2ResetResponseSuccessEmptyIEs(t *testing.T) {
  88         h, readerMock, rmrMessengerMock := initX2ResetResponseHandlerTest(t)
  89         var payload []byte
  90         _, err := fmt.Sscanf(SuccessfulX2ResetResponsePackedPduEmptyIEs, "%x", &payload)
  91         if err != nil {
  92                 t.Fatalf("Failed converting packed pdu. Error: %v\n", err)
  93         }
  94
  95         xaction := []byte(RanName)
  96         notificationRequest := models.NotificationRequest{RanName: RanName, Len: len(payload), Payload: payload, StartTime: time.Now(), TransactionId: string(xaction)}
  97         nb := &entities.NodebInfo{RanName: RanName, ConnectionStatus: entities.ConnectionStatus_CONNECTED, NodeType: entities.Node_ENB}
  98         var rnibErr error
  99         readerMock.On("GetNodeb", RanName).Return(nb, rnibErr)
 100         ranRestartedMbuf := getRanRestartedMbuf(nb.NodeType, enums.RIC_TO_RAN)
 101         rmrMessengerMock.On("SendMsg", ranRestartedMbuf).Return(&rmrCgo.MBuf{}, err)
 102         h.Handle(&notificationRequest)
 103         rmrMessengerMock.AssertCalled(t, "SendMsg", ranRestartedMbuf)
 104 }
 105
 106 func TestX2ResetResponseShuttingDown(t *testing.T) {
 107         h, readerMock, rmrMessengerMock := initX2ResetResponseHandlerTest(t)
 108         var payload []byte
 109         _, err := fmt.Sscanf(SuccessfulX2ResetResponsePackedPdu, "%x", &payload)
 110         if err != nil {
 111                 t.Fatalf("Failed converting packed pdu. Error: %v\n", err)
 112         }
 113
 114         xaction := []byte(RanName)
 115         notificationRequest := models.NotificationRequest{RanName: RanName, Len: len(payload), Payload: payload, StartTime: time.Now(), TransactionId: string(xaction)}
 116         nb := &entities.NodebInfo{RanName: RanName, ConnectionStatus: entities.ConnectionStatus_SHUTTING_DOWN, NodeType: entities.Node_ENB}
 117         var rnibErr error
 118         readerMock.On("GetNodeb", RanName).Return(nb, rnibErr)
 119         h.Handle(&notificationRequest)
 120         rmrMessengerMock.AssertNotCalled(t, "SendMsg")
 121 }
 122
 123 func TestX2ResetResponseInvalidConnectionStatus(t *testing.T) {
 124         h, readerMock, rmrMessengerMock := initX2ResetResponseHandlerTest(t)
 125         var payload []byte
 126         _, err := fmt.Sscanf(SuccessfulX2ResetResponsePackedPdu, "%x", &payload)
 127         if err != nil {
 128                 t.Fatalf("Failed converting packed pdu. Error: %v\n", err)
 129         }
 130
 131         xaction := []byte(RanName)
 132         notificationRequest := models.NotificationRequest{RanName: RanName, Len: len(payload), Payload: payload, StartTime: time.Now(), TransactionId: string(xaction)}
 133         nb := &entities.NodebInfo{RanName: RanName, ConnectionStatus: entities.ConnectionStatus_DISCONNECTED, NodeType: entities.Node_ENB}
 134         var rnibErr error
 135         readerMock.On("GetNodeb", RanName).Return(nb, rnibErr)
 136         h.Handle(&notificationRequest)
 137         rmrMessengerMock.AssertNotCalled(t, "SendMsg")
 138 }
 139
 140 func TestX2ResetResponseError(t *testing.T) {
 141         h, readerMock, rmrMessengerMock := initX2ResetResponseHandlerTest(t)
 142         var payload []byte
 143         _, err := fmt.Sscanf(UnsuccessfulX2ResetResponsePackedPdu, "%x", &payload)
 144         if err != nil {
 145                 t.Fatalf("Failed converting packed pdu. Error: %v\n", err)
 146         }
 147
 148         xaction := []byte(RanName)
 149         notificationRequest := models.NotificationRequest{RanName: RanName, Len: len(payload), Payload: payload, StartTime: time.Now(), TransactionId: string(xaction)}
 150         nb := &entities.NodebInfo{RanName: RanName, ConnectionStatus: entities.ConnectionStatus_CONNECTED, NodeType: entities.Node_ENB}
 151         var rnibErr error
 152         readerMock.On("GetNodeb", RanName).Return(nb, rnibErr)
 153         h.Handle(&notificationRequest)
 154         rmrMessengerMock.AssertNotCalled(t, "SendMsg")
 155 }
 156
 157 func TestX2ResetResponseGetNodebFailure(t *testing.T) {
 158         h, readerMock, rmrMessengerMock := initX2ResetResponseHandlerTest(t)
 159
 160         var payload []byte
 161         _, err := fmt.Sscanf(SuccessfulX2ResetResponsePackedPdu, "%x", &payload)
 162         if err != nil {
 163                 t.Fatalf("Failed converting packed pdu. Error: %v\n", err)
 164         }
 165
 166         xaction := []byte(RanName)
 167         notificationRequest := models.NotificationRequest{RanName: RanName, Len: len(payload), Payload: payload, StartTime: time.Now(), TransactionId: string(xaction)}
 168
 169         var nb *entities.NodebInfo
 170         rnibErr := common.NewResourceNotFoundError("nodeb not found")
 171         readerMock.On("GetNodeb", RanName).Return(nb, rnibErr)
 172
 173         h.Handle(&notificationRequest)
 174         rmrMessengerMock.AssertNotCalled(t, "SendMsg")
 175 }
 176
 177 func TestX2ResetResponseUnpackFailure(t *testing.T) {
 178         h, readerMock, rmrMessengerMock := initX2ResetResponseHandlerTest(t)
 179
 180         payload := []byte("Invalid payload")
 181         xaction := []byte(RanName)
 182         notificationRequest := models.NotificationRequest{RanName: RanName, Len: len(payload), Payload: payload, StartTime: time.Now(), TransactionId: string(xaction)}
 183         nb := &entities.NodebInfo{RanName: RanName, ConnectionStatus: entities.ConnectionStatus_CONNECTED, NodeType: entities.Node_ENB}
 184         var rnibErr error
 185         readerMock.On("GetNodeb", RanName).Return(nb, rnibErr)
 186
 187         h.Handle(&notificationRequest)
 188         rmrMessengerMock.AssertNotCalled(t, "SendMsg")
 189 }