E2Manager/handlers/rmrmsghandlers/e2_term_init_notification_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
  18 //  This source code is part of the near-RT RIC (RAN Intelligent Controller)
  19 //  platform project (RICP).
  20
  21 package rmrmsghandlers
  22
  23 import (
  24         "bytes"
  25         "e2mgr/clients"
  26         "e2mgr/configuration"
  27         "e2mgr/e2pdus"
  28         "e2mgr/logger"
  29         "e2mgr/managers"
  30         "e2mgr/mocks"
  31         "e2mgr/models"
  32         "e2mgr/rmrCgo"
  33         "e2mgr/services"
  34         "e2mgr/services/rmrsender"
  35         "e2mgr/tests"
  36         "fmt"
  37         "gerrit.o-ran-sc.org/r/ric-plt/nodeb-rnib.git/common"
  38         "gerrit.o-ran-sc.org/r/ric-plt/nodeb-rnib.git/entities"
  39         "github.com/pkg/errors"
  40         "github.com/stretchr/testify/mock"
  41         "io/ioutil"
  42         "net/http"
  43         "testing"
  44 )
  45
  46 const e2tInstanceAddress = "10.0.2.15"
  47 const e2tInitPayload = "{\"address\":\"10.0.2.15\", \"fqdn\":\"\"}"
  48
  49 func initRanLostConnectionTest(t *testing.T) (*logger.Logger, E2TermInitNotificationHandler, *mocks.RnibReaderMock, *mocks.RnibWriterMock, *mocks.RmrMessengerMock, *mocks.E2TInstancesManagerMock, *mocks.RoutingManagerClientMock) {
  50
  51         logger := initLog(t)
  52         config := &configuration.Configuration{RnibRetryIntervalMs: 10, MaxRnibConnectionAttempts: 3}
  53
  54         rmrMessengerMock := &mocks.RmrMessengerMock{}
  55         rmrSender := initRmrSender(rmrMessengerMock, logger)
  56
  57         readerMock := &mocks.RnibReaderMock{}
  58
  59         writerMock := &mocks.RnibWriterMock{}
  60
  61         routingManagerClientMock := &mocks.RoutingManagerClientMock{}
  62
  63         rnibDataService := services.NewRnibDataService(logger, config, readerMock, writerMock)
  64         ranSetupManager := managers.NewRanSetupManager(logger, rmrSender, rnibDataService)
  65
  66         e2tInstancesManagerMock := &mocks.E2TInstancesManagerMock{}
  67         e2tAssociationManager := managers.NewE2TAssociationManager(logger, rnibDataService, e2tInstancesManagerMock, routingManagerClientMock)
  68
  69         ranReconnectionManager := managers.NewRanReconnectionManager(logger, configuration.ParseConfiguration(), rnibDataService, ranSetupManager, e2tAssociationManager)
  70         handler := NewE2TermInitNotificationHandler(logger, ranReconnectionManager, e2tInstancesManagerMock, routingManagerClientMock)
  71
  72         return logger, handler, readerMock, writerMock, rmrMessengerMock, e2tInstancesManagerMock, routingManagerClientMock
  73 }
  74
  75 func initRanLostConnectionTestWithRealE2tInstanceManager(t *testing.T) (*logger.Logger, *configuration.Configuration, E2TermInitNotificationHandler, *mocks.RnibReaderMock, *mocks.RnibWriterMock, *mocks.RmrMessengerMock, *mocks.HttpClientMock) {
  76
  77         logger := initLog(t)
  78         config := configuration.ParseConfiguration()
  79
  80         rmrMessengerMock := &mocks.RmrMessengerMock{}
  81         rmrSender := initRmrSender(rmrMessengerMock, logger)
  82
  83         readerMock := &mocks.RnibReaderMock{}
  84
  85         writerMock := &mocks.RnibWriterMock{}
  86         httpClientMock := &mocks.HttpClientMock{}
  87
  88         routingManagerClient := clients.NewRoutingManagerClient(logger, config, httpClientMock)
  89         rnibDataService := services.NewRnibDataService(logger, config, readerMock, writerMock)
  90         ranSetupManager := managers.NewRanSetupManager(logger, rmrSender, rnibDataService)
  91
  92         e2tInstancesManager := managers.NewE2TInstancesManager(rnibDataService, logger)
  93         e2tAssociationManager := managers.NewE2TAssociationManager(logger, rnibDataService, e2tInstancesManager, routingManagerClient)
  94         ranReconnectionManager := managers.NewRanReconnectionManager(logger, configuration.ParseConfiguration(), rnibDataService, ranSetupManager, e2tAssociationManager)
  95         handler := NewE2TermInitNotificationHandler(logger, ranReconnectionManager, e2tInstancesManager, routingManagerClient)
  96         return logger, config, handler, readerMock, writerMock, rmrMessengerMock, httpClientMock
  97 }
  98
  99 func TestE2TermInitUnmarshalPayloadFailure(t *testing.T) {
 100         _, handler, _, _, _, e2tInstancesManagerMock, _ := initRanLostConnectionTest(t)
 101         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte("asd")}
 102         handler.Handle(notificationRequest)
 103         e2tInstancesManagerMock.AssertNotCalled(t, "GetE2TInstance")
 104         e2tInstancesManagerMock.AssertNotCalled(t, "AddE2TInstance")
 105 }
 106
 107 func TestE2TermInitEmptyE2TAddress(t *testing.T) {
 108         _, handler, _, _, _, e2tInstancesManagerMock, _  := initRanLostConnectionTest(t)
 109         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte("{\"address\":\"\"}")}
 110         handler.Handle(notificationRequest)
 111         e2tInstancesManagerMock.AssertNotCalled(t, "GetE2TInstance")
 112         e2tInstancesManagerMock.AssertNotCalled(t, "AddE2TInstance")
 113 }
 114
 115 func TestE2TermInitGetE2TInstanceFailure(t *testing.T) {
 116         _, handler, _, _, _, e2tInstancesManagerMock, _  := initRanLostConnectionTest(t)
 117         var e2tInstance *entities.E2TInstance
 118         e2tInstancesManagerMock.On("GetE2TInstance", e2tInstanceAddress).Return(e2tInstance, common.NewInternalError(fmt.Errorf("internal error")))
 119         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte(e2tInitPayload)}
 120         handler.Handle(notificationRequest)
 121         e2tInstancesManagerMock.AssertNotCalled(t, "AddE2TInstance")
 122 }
 123
 124 func TestE2TermInitGetE2TInstanceDbFailure(t *testing.T) {
 125         _, _, handler, readerMock, writerMock, rmrMessengerMock,_ := initRanLostConnectionTestWithRealE2tInstanceManager(t)
 126         var e2tInstance *entities.E2TInstance
 127         readerMock.On("GetE2TInstance", e2tInstanceAddress).Return(e2tInstance, common.NewInternalError(fmt.Errorf("internal error")))
 128         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte(e2tInitPayload)}
 129         handler.Handle(notificationRequest)
 130         writerMock.AssertNotCalled(t, "UpdateNodebInfo")
 131         rmrMessengerMock.AssertNotCalled(t, "SendMsg")
 132 }
 133
 134 func TestE2TermInitNewE2TInstance(t *testing.T) {
 135         _, config, handler, readerMock, writerMock, _, httpClientMock := initRanLostConnectionTestWithRealE2tInstanceManager(t)
 136         var e2tInstance *entities.E2TInstance
 137
 138         readerMock.On("GetE2TInstance", e2tInstanceAddress).Return(e2tInstance, common.NewResourceNotFoundError("not found"))
 139         writerMock.On("SaveE2TInstance", mock.Anything).Return(nil)
 140
 141         respBody := ioutil.NopCloser(bytes.NewBufferString(""))
 142         url := config.RoutingManager.BaseUrl + clients.AddE2TInstanceApiSuffix
 143         httpClientMock.On("Post", url, mock.Anything, mock.Anything).Return(&http.Response{StatusCode: http.StatusCreated, Body: respBody}, nil)
 144
 145         e2tAddresses := []string{}
 146         readerMock.On("GetE2TAddresses").Return(e2tAddresses, common.NewResourceNotFoundError(""))
 147
 148         e2tAddresses = append(e2tAddresses, e2tInstanceAddress)
 149         writerMock.On("SaveE2TAddresses", e2tAddresses).Return(nil)
 150
 151         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte(e2tInitPayload)}
 152         handler.Handle(notificationRequest)
 153
 154         httpClientMock.AssertCalled(t, "Post", url, mock.Anything, mock.Anything)
 155         writerMock.AssertCalled(t, "SaveE2TInstance", mock.Anything)
 156         writerMock.AssertCalled(t, "SaveE2TAddresses", e2tAddresses)
 157 }
 158
 159 func TestE2TermInitNewE2TInstance_RoutingManagerError(t *testing.T) {
 160         _, config, handler, readerMock, writerMock, _, httpClientMock := initRanLostConnectionTestWithRealE2tInstanceManager(t)
 161         var e2tInstance *entities.E2TInstance
 162
 163         readerMock.On("GetE2TInstance", e2tInstanceAddress).Return(e2tInstance, common.NewResourceNotFoundError("not found"))
 164
 165         url := config.RoutingManager.BaseUrl + clients.AddE2TInstanceApiSuffix
 166         httpClientMock.On("Post", url, mock.Anything, mock.Anything).Return(&http.Response{}, errors.New("error"))
 167
 168         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte(e2tInitPayload)}
 169         handler.Handle(notificationRequest)
 170
 171         httpClientMock.AssertCalled(t, "Post", url, mock.Anything, mock.Anything)
 172         writerMock.AssertNotCalled(t, "SaveE2TInstance", mock.Anything)
 173         writerMock.AssertNotCalled(t, "SaveE2TAddresses", mock.Anything)
 174 }
 175
 176 func TestE2TermInitExistingE2TInstanceNoAssociatedRans(t *testing.T) {
 177         _, handler, _, _, _, e2tInstancesManagerMock, _  := initRanLostConnectionTest(t)
 178         e2tInstance := entities.NewE2TInstance(e2tInstanceAddress)
 179         e2tInstancesManagerMock.On("GetE2TInstance", e2tInstanceAddress).Return(e2tInstance, nil)
 180         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte(e2tInitPayload)}
 181         handler.Handle(notificationRequest)
 182         e2tInstancesManagerMock.AssertCalled(t, "GetE2TInstance", e2tInstanceAddress)
 183 }
 184
 185 func TestE2TermInitHandlerSuccessOneRan(t *testing.T) {
 186         _, handler, readerMock, writerMock, rmrMessengerMock, e2tInstancesManagerMock, _  := initRanLostConnectionTest(t)
 187         var rnibErr error
 188
 189         var initialNodeb = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_CONNECTED, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST}
 190         readerMock.On("GetNodeb", RanName).Return(initialNodeb, rnibErr)
 191
 192         var argNodeb = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_CONNECTING, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST, ConnectionAttempts: 1}
 193         writerMock.On("UpdateNodebInfo", argNodeb).Return(rnibErr)
 194
 195         payload := e2pdus.PackedX2setupRequest
 196         xaction := []byte(RanName)
 197         msg := rmrCgo.NewMBuf(rmrCgo.RIC_X2_SETUP_REQ, len(payload), RanName, &payload, &xaction)
 198
 199         rmrMessengerMock.On("SendMsg", mock.Anything, true).Return(msg, nil)
 200
 201         e2tInstance := entities.NewE2TInstance(e2tInstanceAddress)
 202         e2tInstance.AssociatedRanList = append(e2tInstance.AssociatedRanList, RanName)
 203         e2tInstancesManagerMock.On("GetE2TInstance", e2tInstanceAddress).Return(e2tInstance, nil)
 204         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte(e2tInitPayload)}
 205
 206         handler.Handle(notificationRequest)
 207
 208         writerMock.AssertNumberOfCalls(t, "UpdateNodebInfo", 1)
 209         rmrMessengerMock.AssertNumberOfCalls(t, "SendMsg", 1)
 210 }
 211
 212 func TestE2TermInitHandlerSuccessOneRanShuttingdown(t *testing.T) {
 213         _, _, handler, readerMock, writerMock, rmrMessengerMock,_ := initRanLostConnectionTestWithRealE2tInstanceManager(t)
 214         var rnibErr error
 215
 216         var initialNodeb = &entities.NodebInfo{RanName: RanName, ConnectionStatus: entities.ConnectionStatus_SHUTTING_DOWN, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST}
 217         readerMock.On("GetNodeb", RanName).Return(initialNodeb, rnibErr)
 218
 219         var argNodeb = &entities.NodebInfo{RanName: RanName, ConnectionStatus: entities.ConnectionStatus_SHUT_DOWN, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST, ConnectionAttempts: 0}
 220         writerMock.On("UpdateNodebInfo", argNodeb).Return(rnibErr)
 221
 222         payload := e2pdus.PackedX2setupRequest
 223         xaction := []byte(RanName)
 224         msg := rmrCgo.NewMBuf(rmrCgo.RIC_X2_SETUP_REQ, len(payload), RanName, &payload, &xaction)
 225
 226         rmrMessengerMock.On("SendMsg", mock.Anything).Return(msg, nil)
 227
 228         e2tInstance := entities.NewE2TInstance(e2tInstanceAddress)
 229         e2tInstance.AssociatedRanList = append(e2tInstance.AssociatedRanList, RanName)
 230         readerMock.On("GetE2TInstance", e2tInstanceAddress).Return(e2tInstance, nil)
 231         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte(e2tInitPayload)}
 232
 233         handler.Handle(notificationRequest)
 234
 235         writerMock.AssertNumberOfCalls(t, "UpdateNodebInfo", 1)
 236         rmrMessengerMock.AssertNotCalled(t, "SendMsg")
 237 }
 238
 239 func TestE2TermInitHandlerSuccessOneRan_ToBeDeleted(t *testing.T) {
 240         _, _, handler, readerMock, writerMock, rmrMessengerMock, httpClientMock:= initRanLostConnectionTestWithRealE2tInstanceManager(t)
 241         var rnibErr error
 242
 243         var initialNodeb = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_CONNECTED, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST}
 244         readerMock.On("GetNodeb", RanName).Return(initialNodeb, rnibErr)
 245
 246         var argNodeb = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_CONNECTING, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST, ConnectionAttempts: 1}
 247         writerMock.On("UpdateNodebInfo", argNodeb).Return(rnibErr)
 248
 249         payload := e2pdus.PackedX2setupRequest
 250         xaction := []byte(RanName)
 251         msg := rmrCgo.NewMBuf(rmrCgo.RIC_X2_SETUP_REQ, len(payload), RanName, &payload, &xaction)
 252
 253         rmrMessengerMock.On("SendMsg", mock.Anything, true).Return(msg, nil)
 254
 255         e2tInstance := entities.NewE2TInstance(e2tInstanceAddress)
 256         e2tInstance.State = entities.ToBeDeleted
 257         e2tInstance.AssociatedRanList = append(e2tInstance.AssociatedRanList, RanName)
 258
 259         readerMock.On("GetE2TInstance", e2tInstanceAddress).Return(e2tInstance, nil)
 260         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte(e2tInitPayload)}
 261
 262         handler.Handle(notificationRequest)
 263
 264         httpClientMock.AssertNotCalled(t, "Post", mock.Anything, mock.Anything, mock.Anything)
 265         writerMock.AssertNotCalled(t, "UpdateNodebInfo")
 266         rmrMessengerMock.AssertNotCalled(t, "SendMsg")
 267 }
 268
 269 func TestE2TermInitHandlerSuccessTwoRans_RoutingManagerFailure(t *testing.T) {
 270         _, _, handler, readerMock, writerMock, rmrMessengerMock, httpClientMock:= initRanLostConnectionTestWithRealE2tInstanceManager(t)
 271
 272         var rnibErr error
 273         var initialNodeb0 = &entities.NodebInfo{RanName: RanName, ConnectionStatus: entities.ConnectionStatus_CONNECTED, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST}
 274         var initialNodeb1 = &entities.NodebInfo{RanName: "test2", ConnectionStatus: entities.ConnectionStatus_CONNECTED, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST}
 275         readerMock.On("GetNodeb", RanName).Return(initialNodeb0, rnibErr)
 276         readerMock.On("GetNodeb", "test2").Return(initialNodeb1, rnibErr)
 277         writerMock.On("UpdateNodebInfo", mock.Anything).Return(rnibErr)
 278
 279         payload := e2pdus.PackedX2setupRequest
 280         xaction := []byte(RanName)
 281         msg := rmrCgo.NewMBuf(rmrCgo.RIC_X2_SETUP_REQ, len(payload), RanName, &payload, &xaction)
 282
 283         rmrMessengerMock.On("SendMsg", mock.Anything, true).Return(msg, nil)
 284
 285         e2tInstance := entities.NewE2TInstance(e2tInstanceAddress)
 286         e2tInstance.State = entities.RoutingManagerFailure
 287         e2tInstance.AssociatedRanList = append(e2tInstance.AssociatedRanList, RanName, "test2")
 288
 289         readerMock.On("GetE2TInstance", e2tInstanceAddress).Return(e2tInstance, nil)
 290         writerMock.On("SaveE2TInstance", mock.Anything).Return(nil)
 291
 292         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte(e2tInitPayload)}
 293
 294         handler.Handle(notificationRequest)
 295
 296         rmrMessengerMock.AssertNumberOfCalls(t, "SendMsg", 2)
 297         writerMock.AssertNumberOfCalls(t, "UpdateNodebInfo", 2)
 298
 299         httpClientMock.AssertNotCalled(t, "Post", mock.Anything, mock.Anything, mock.Anything)
 300         writerMock.AssertCalled(t, "SaveE2TInstance", mock.Anything)
 301 }
 302
 303 func TestE2TermInitHandlerSuccessOneRan_RoutingManagerFailure_Error(t *testing.T) {
 304         _, handler, readerMock, writerMock, rmrMessengerMock, e2tInstancesManagerMock, _  := initRanLostConnectionTest(t)
 305         var rnibErr error
 306
 307         var initialNodeb = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_CONNECTED, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST}
 308         readerMock.On("GetNodeb", RanName).Return(initialNodeb, rnibErr)
 309
 310         var argNodeb = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_CONNECTING, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST, ConnectionAttempts: 1}
 311         writerMock.On("UpdateNodebInfo", argNodeb).Return(rnibErr)
 312
 313         payload := e2pdus.PackedX2setupRequest
 314         xaction := []byte(RanName)
 315         msg := rmrCgo.NewMBuf(rmrCgo.RIC_X2_SETUP_REQ, len(payload), RanName, &payload, &xaction)
 316
 317         rmrMessengerMock.On("SendMsg", mock.Anything, true).Return(msg, nil)
 318
 319         e2tInstance := entities.NewE2TInstance(e2tInstanceAddress)
 320         e2tInstance.State = entities.RoutingManagerFailure
 321         e2tInstance.AssociatedRanList = append(e2tInstance.AssociatedRanList, RanName)
 322
 323         e2tInstancesManagerMock.On("GetE2TInstance", e2tInstanceAddress).Return(e2tInstance, nil)
 324         e2tInstancesManagerMock.On("SetE2tInstanceState", e2tInstanceAddress, e2tInstance.State, entities.Active).Return(fmt.Errorf(" Error "))
 325         writerMock.On("UpdateNodebInfo", argNodeb).Return(rnibErr)
 326
 327         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte(e2tInitPayload)}
 328
 329         handler.Handle(notificationRequest)
 330
 331         writerMock.AssertNumberOfCalls(t, "UpdateNodebInfo", 0)
 332         rmrMessengerMock.AssertNumberOfCalls(t, "SendMsg", 0)
 333 }
 334
 335 func TestE2TermInitHandlerSuccessTwoRans(t *testing.T) {
 336         _, _, handler, readerMock, writerMock, rmrMessengerMock, httpClientMock:= initRanLostConnectionTestWithRealE2tInstanceManager(t)
 337         var rnibErr error
 338         var initialNodeb0 = &entities.NodebInfo{RanName: RanName, ConnectionStatus: entities.ConnectionStatus_CONNECTED, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST}
 339         var initialNodeb1 = &entities.NodebInfo{RanName: "test2", ConnectionStatus: entities.ConnectionStatus_CONNECTED, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST}
 340         readerMock.On("GetNodeb", RanName).Return(initialNodeb0, rnibErr)
 341         readerMock.On("GetNodeb", "test2").Return(initialNodeb1, rnibErr)
 342         writerMock.On("UpdateNodebInfo", mock.Anything).Return(rnibErr)
 343
 344         payload := e2pdus.PackedX2setupRequest
 345         xaction := []byte(RanName)
 346         msg := rmrCgo.NewMBuf(rmrCgo.RIC_X2_SETUP_REQ, len(payload), RanName, &payload, &xaction)
 347
 348         rmrMessengerMock.On("SendMsg", mock.Anything, true).Return(msg, nil)
 349
 350         e2tInstance := entities.NewE2TInstance(e2tInstanceAddress)
 351         e2tInstance.AssociatedRanList = append(e2tInstance.AssociatedRanList, RanName, "test2")
 352         readerMock.On("GetE2TInstance", e2tInstanceAddress).Return(e2tInstance, nil)
 353         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte(e2tInitPayload)}
 354
 355         handler.Handle(notificationRequest)
 356
 357         writerMock.AssertNumberOfCalls(t, "UpdateNodebInfo", 2)
 358         rmrMessengerMock.AssertNumberOfCalls(t, "SendMsg", 2)
 359         httpClientMock.AssertNotCalled(t, "Post", mock.Anything, mock.Anything, mock.Anything)
 360 }
 361
 362 func TestE2TermInitHandlerSuccessTwoRansSecondRanShutdown(t *testing.T) {
 363         _, handler, readerMock, writerMock, rmrMessengerMock, e2tInstancesManagerMock, _ := initRanLostConnectionTest(t)
 364         var rnibErr error
 365         var initialNodeb0 = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_CONNECTED, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST}
 366         var initialNodeb1 = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_SHUT_DOWN, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST}
 367         readerMock.On("GetNodeb", RanName).Return(initialNodeb0, rnibErr)
 368         readerMock.On("GetNodeb", "test2").Return(initialNodeb1, rnibErr)
 369
 370         var argNodeb = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_CONNECTING, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST, ConnectionAttempts: 1}
 371         writerMock.On("UpdateNodebInfo", argNodeb).Return(rnibErr)
 372
 373         payload := e2pdus.PackedX2setupRequest
 374         xaction := []byte(RanName)
 375         msg := rmrCgo.NewMBuf(rmrCgo.RIC_X2_SETUP_REQ, len(payload), RanName, &payload, &xaction)
 376
 377         rmrMessengerMock.On("SendMsg", mock.Anything, true).Return(msg, nil)
 378
 379         e2tInstance := entities.NewE2TInstance(e2tInstanceAddress)
 380         e2tInstance.AssociatedRanList = append(e2tInstance.AssociatedRanList, RanName, "test2")
 381         e2tInstancesManagerMock.On("GetE2TInstance", e2tInstanceAddress).Return(e2tInstance, nil)
 382         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte(e2tInitPayload)}
 383
 384         handler.Handle(notificationRequest)
 385
 386         writerMock.AssertNumberOfCalls(t, "UpdateNodebInfo", 1)
 387         rmrMessengerMock.AssertNumberOfCalls(t, "SendMsg", 1)
 388         writerMock.AssertExpectations(t)
 389 }
 390
 391 func TestE2TermInitHandlerSuccessThreeRansFirstRmrFailure(t *testing.T) {
 392         log, handler, readerMock, writerMock, rmrMessengerMock, e2tInstancesManagerMock, _  := initRanLostConnectionTest(t)
 393         var rnibErr error
 394
 395         ids := []*entities.NbIdentity{{InventoryName: "test1"}, {InventoryName: "test2"}, {InventoryName: "test3"}}
 396
 397         var initialNodeb0 = &entities.NodebInfo{RanName: ids[0].InventoryName, ConnectionStatus: entities.ConnectionStatus_CONNECTED, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST}
 398         var initialNodeb1 = &entities.NodebInfo{RanName: ids[1].InventoryName, ConnectionStatus: entities.ConnectionStatus_CONNECTED, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST}
 399         var initialNodeb2 = &entities.NodebInfo{RanName: ids[2].InventoryName, ConnectionStatus: entities.ConnectionStatus_CONNECTED, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST}
 400         readerMock.On("GetNodeb", ids[0].InventoryName).Return(initialNodeb0, rnibErr)
 401         readerMock.On("GetNodeb", ids[1].InventoryName).Return(initialNodeb1, rnibErr)
 402         readerMock.On("GetNodeb", ids[2].InventoryName).Return(initialNodeb2, rnibErr)
 403
 404         var argNodeb0 = &entities.NodebInfo{RanName: ids[0].InventoryName, ConnectionStatus: entities.ConnectionStatus_CONNECTING, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST, ConnectionAttempts: 1}
 405         var argNodeb0Fail = &entities.NodebInfo{RanName: ids[0].InventoryName, ConnectionStatus: entities.ConnectionStatus_DISCONNECTED, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST, ConnectionAttempts: 0}
 406         writerMock.On("UpdateNodebInfo", argNodeb0).Return(rnibErr)
 407         writerMock.On("UpdateNodebInfo", argNodeb0Fail).Return(rnibErr)
 408
 409         payload := models.NewE2RequestMessage(ids[0].InventoryName /*tid*/, "", 0, ids[0].InventoryName, e2pdus.PackedX2setupRequest).GetMessageAsBytes(log)
 410         xaction := []byte(ids[0].InventoryName)
 411         msg0 := rmrCgo.NewMBuf(rmrCgo.RIC_X2_SETUP_REQ, len(payload), ids[0].InventoryName, &payload, &xaction)
 412
 413         rmrMessengerMock.On("SendMsg", mock.Anything, true).Return(msg0, fmt.Errorf("RMR Error"))
 414
 415         e2tInstance := entities.NewE2TInstance(e2tInstanceAddress)
 416         e2tInstance.AssociatedRanList = append(e2tInstance.AssociatedRanList, "test1", "test2", "test3")
 417         e2tInstancesManagerMock.On("GetE2TInstance", e2tInstanceAddress).Return(e2tInstance, nil)
 418         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte(e2tInitPayload)}
 419
 420         handler.Handle(notificationRequest)
 421
 422         //test1 (before send +1, after failure +1), test2 (0) test3 (0)
 423         writerMock.AssertNumberOfCalls(t, "UpdateNodebInfo", 2)
 424         //test1 failure (+1), test2  (0). test3 (0)
 425         rmrMessengerMock.AssertNumberOfCalls(t, "SendMsg", 1)
 426 }
 427
 428 func TestE2TermInitHandlerSuccessThreeRansSecondNotFoundFailure(t *testing.T) {
 429         log, handler, readerMock, writerMock, rmrMessengerMock, e2tInstancesManagerMock, _  := initRanLostConnectionTest(t)
 430         var rnibErr error
 431
 432         ids := []*entities.NbIdentity{{InventoryName: "test1"}, {InventoryName: "test2"}, {InventoryName: "test3"}}
 433
 434         var initialNodeb0 = &entities.NodebInfo{RanName: ids[0].InventoryName, ConnectionStatus: entities.ConnectionStatus_CONNECTED, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST}
 435         var initialNodeb1 = &entities.NodebInfo{RanName: ids[1].InventoryName, ConnectionStatus: entities.ConnectionStatus_CONNECTED, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST}
 436         var initialNodeb2 = &entities.NodebInfo{RanName: ids[2].InventoryName, ConnectionStatus: entities.ConnectionStatus_CONNECTED, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST}
 437         readerMock.On("GetNodeb", ids[0].InventoryName).Return(initialNodeb0, rnibErr)
 438         readerMock.On("GetNodeb", ids[1].InventoryName).Return(initialNodeb1, common.NewResourceNotFoundError("not found"))
 439         readerMock.On("GetNodeb", ids[2].InventoryName).Return(initialNodeb2, rnibErr)
 440
 441         var argNodeb0 = &entities.NodebInfo{RanName: ids[0].InventoryName, ConnectionStatus: entities.ConnectionStatus_CONNECTING, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST, ConnectionAttempts: 1}
 442         var argNodeb0Success = &entities.NodebInfo{RanName: ids[0].InventoryName, ConnectionStatus: entities.ConnectionStatus_CONNECTED, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST, ConnectionAttempts: 1}
 443         writerMock.On("UpdateNodebInfo", argNodeb0).Return(rnibErr)
 444         writerMock.On("UpdateNodebInfo", argNodeb0Success).Return(rnibErr)
 445
 446         var argNodeb2 = &entities.NodebInfo{RanName: ids[2].InventoryName, ConnectionStatus: entities.ConnectionStatus_CONNECTING, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST, ConnectionAttempts: 1}
 447         var argNodeb2Success = &entities.NodebInfo{RanName: ids[2].InventoryName, ConnectionStatus: entities.ConnectionStatus_CONNECTED, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST, ConnectionAttempts: 1}
 448         writerMock.On("UpdateNodebInfo", argNodeb2).Return(rnibErr)
 449         writerMock.On("UpdateNodebInfo", argNodeb2Success).Return(rnibErr)
 450
 451         payload := models.NewE2RequestMessage(ids[0].InventoryName /*tid*/, "", 0, ids[0].InventoryName, e2pdus.PackedX2setupRequest).GetMessageAsBytes(log)
 452         xaction := []byte(ids[0].InventoryName)
 453         msg0 := rmrCgo.NewMBuf(rmrCgo.RIC_X2_SETUP_REQ, len(payload), ids[0].InventoryName, &payload, &xaction)
 454
 455         rmrMessengerMock.On("SendMsg", mock.Anything, true).Return(msg0, nil)
 456
 457         e2tInstance := entities.NewE2TInstance(e2tInstanceAddress)
 458         e2tInstance.AssociatedRanList = append(e2tInstance.AssociatedRanList, "test1", "test2", "test3")
 459         e2tInstancesManagerMock.On("GetE2TInstance", e2tInstanceAddress).Return(e2tInstance, nil)
 460         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte(e2tInitPayload)}
 461
 462         handler.Handle(notificationRequest)
 463
 464         readerMock.AssertNumberOfCalls(t, "GetNodeb", 3)
 465         //test1 (+1), test2 failure (0) test3 (+1)
 466         writerMock.AssertNumberOfCalls(t, "UpdateNodebInfo", 2)
 467         //test1 success (+1), test2  (0). test3 (+1)
 468         rmrMessengerMock.AssertNumberOfCalls(t, "SendMsg", 2)
 469 }
 470
 471 func TestE2TermInitHandlerSuccessThreeRansSecondRnibInternalErrorFailure(t *testing.T) {
 472         log, handler, readerMock, writerMock, rmrMessengerMock, e2tInstancesManagerMock, _  := initRanLostConnectionTest(t)
 473         var rnibErr error
 474
 475         ids := []*entities.NbIdentity{{InventoryName: "test1"}, {InventoryName: "test2"}, {InventoryName: "test3"}}
 476
 477         var initialNodeb0 = &entities.NodebInfo{RanName: ids[0].InventoryName, ConnectionStatus: entities.ConnectionStatus_CONNECTED, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST}
 478         var initialNodeb1 = &entities.NodebInfo{RanName: ids[1].InventoryName, ConnectionStatus: entities.ConnectionStatus_CONNECTED, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST}
 479         var initialNodeb2 = &entities.NodebInfo{RanName: ids[2].InventoryName, ConnectionStatus: entities.ConnectionStatus_CONNECTED, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST}
 480         readerMock.On("GetNodeb", ids[0].InventoryName).Return(initialNodeb0, rnibErr)
 481         readerMock.On("GetNodeb", ids[1].InventoryName).Return(initialNodeb1, common.NewInternalError(fmt.Errorf("internal error")))
 482         readerMock.On("GetNodeb", ids[2].InventoryName).Return(initialNodeb2, rnibErr)
 483
 484         var argNodeb0 = &entities.NodebInfo{RanName: ids[0].InventoryName, ConnectionStatus: entities.ConnectionStatus_CONNECTING, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST, ConnectionAttempts: 1}
 485         var argNodeb0Success = &entities.NodebInfo{RanName: ids[0].InventoryName, ConnectionStatus: entities.ConnectionStatus_CONNECTED, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST, ConnectionAttempts: 1}
 486         writerMock.On("UpdateNodebInfo", argNodeb0).Return(rnibErr)
 487         writerMock.On("UpdateNodebInfo", argNodeb0Success).Return(rnibErr)
 488
 489         var argNodeb2 = &entities.NodebInfo{RanName: ids[2].InventoryName, ConnectionStatus: entities.ConnectionStatus_CONNECTING, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST, ConnectionAttempts: 1}
 490         var argNodeb2Success = &entities.NodebInfo{RanName: ids[2].InventoryName, ConnectionStatus: entities.ConnectionStatus_CONNECTED, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST, ConnectionAttempts: 1}
 491         writerMock.On("UpdateNodebInfo", argNodeb2).Return(rnibErr)
 492         writerMock.On("UpdateNodebInfo", argNodeb2Success).Return(rnibErr)
 493
 494         payload := models.NewE2RequestMessage(ids[0].InventoryName /*tid*/, "", 0, ids[0].InventoryName, e2pdus.PackedX2setupRequest).GetMessageAsBytes(log)
 495         xaction := []byte(ids[0].InventoryName)
 496         msg0 := rmrCgo.NewMBuf(rmrCgo.RIC_X2_SETUP_REQ, len(payload), ids[0].InventoryName, &payload, &xaction)
 497
 498         rmrMessengerMock.On("SendMsg", mock.Anything, true).Return(msg0, nil)
 499
 500         e2tInstance := entities.NewE2TInstance(e2tInstanceAddress)
 501         e2tInstance.AssociatedRanList = append(e2tInstance.AssociatedRanList, "test1", "test2", "test3")
 502         e2tInstancesManagerMock.On("GetE2TInstance", e2tInstanceAddress).Return(e2tInstance, nil)
 503         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte(e2tInitPayload)}
 504
 505         handler.Handle(notificationRequest)
 506
 507         readerMock.AssertNumberOfCalls(t, "GetNodeb", 2)
 508         //test1 (+1), test2 failure (0) test3 (0)
 509         writerMock.AssertNumberOfCalls(t, "UpdateNodebInfo", 1)
 510         //test1 success (+1), test2  (0). test3 (+1)
 511         rmrMessengerMock.AssertNumberOfCalls(t, "SendMsg", 1)
 512 }
 513
 514 func TestE2TermInitHandlerSuccessZeroRans(t *testing.T) {
 515         _, handler, _, writerMock, rmrMessengerMock, e2tInstancesManagerMock, _  := initRanLostConnectionTest(t)
 516
 517         e2tInstance := entities.NewE2TInstance(e2tInstanceAddress)
 518         e2tInstancesManagerMock.On("GetE2TInstance", e2tInstanceAddress).Return(e2tInstance, nil)
 519         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte(e2tInitPayload)}
 520
 521         handler.Handle(notificationRequest)
 522
 523         writerMock.AssertNotCalled(t, "UpdateNodebInfo")
 524         rmrMessengerMock.AssertNotCalled(t, "SendMsg")
 525 }
 526
 527 func TestE2TermInitHandlerFailureGetNodebInternalError(t *testing.T) {
 528         _, handler, readerMock, writerMock, rmrMessengerMock, e2tInstancesManagerMock, _ := initRanLostConnectionTest(t)
 529
 530         var nodebInfo *entities.NodebInfo
 531         readerMock.On("GetNodeb", "test1").Return(nodebInfo, common.NewInternalError(fmt.Errorf("internal error")))
 532
 533         e2tInstance := entities.NewE2TInstance(e2tInstanceAddress)
 534         e2tInstance.AssociatedRanList = append(e2tInstance.AssociatedRanList, "test1")
 535         e2tInstancesManagerMock.On("GetE2TInstance", e2tInstanceAddress).Return(e2tInstance, nil)
 536         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte(e2tInitPayload)}
 537         handler.Handle(notificationRequest)
 538
 539         writerMock.AssertNotCalled(t, "UpdateNodebInfo")
 540         rmrMessengerMock.AssertNotCalled(t, "SendMsg")
 541 }
 542
 543 func TestE2TermInitHandlerSuccessTwoRansSecondIsDisconnected(t *testing.T) {
 544         _, handler, readerMock, writerMock, rmrMessengerMock, e2tInstancesManagerMock, _ := initRanLostConnectionTest(t)
 545         var rnibErr error
 546         var initialNodeb0 = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_CONNECTED, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST}
 547         var initialNodeb1 = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_DISCONNECTED, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST}
 548         readerMock.On("GetNodeb", RanName).Return(initialNodeb0, rnibErr)
 549         readerMock.On("GetNodeb", "test2").Return(initialNodeb1, rnibErr)
 550
 551         var argNodeb1 = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_CONNECTING, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST, ConnectionAttempts: 1}
 552         writerMock.On("UpdateNodebInfo", argNodeb1).Return(rnibErr)
 553
 554         payload := e2pdus.PackedX2setupRequest
 555         xaction := []byte(RanName)
 556         msg := rmrCgo.NewMBuf(rmrCgo.RIC_X2_SETUP_REQ, len(payload), RanName, &payload, &xaction)
 557
 558         rmrMessengerMock.On("SendMsg", mock.Anything, true).Return(msg, nil)
 559
 560         e2tInstance := entities.NewE2TInstance(e2tInstanceAddress)
 561         e2tInstance.AssociatedRanList = append(e2tInstance.AssociatedRanList, RanName, "test2")
 562         e2tInstancesManagerMock.On("GetE2TInstance", e2tInstanceAddress).Return(e2tInstance, nil)
 563         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte(e2tInitPayload)}
 564
 565         handler.Handle(notificationRequest)
 566
 567         writerMock.AssertNumberOfCalls(t, "UpdateNodebInfo", 2)
 568         rmrMessengerMock.AssertNumberOfCalls(t, "SendMsg", 2)
 569 }
 570
 571
 572 // TODO: extract to test_utils
 573 func initRmrSender(rmrMessengerMock *mocks.RmrMessengerMock, log *logger.Logger) *rmrsender.RmrSender {
 574         rmrMessenger := rmrCgo.RmrMessenger(rmrMessengerMock)
 575         rmrMessengerMock.On("Init", tests.GetPort(), tests.MaxMsgSize, tests.Flags, log).Return(&rmrMessenger)
 576         return rmrsender.NewRmrSender(log, rmrMessenger)
 577 }
 578
 579 // TODO: extract to test_utils
 580 func initLog(t *testing.T) *logger.Logger {
 581         log, err := logger.InitLogger(logger.InfoLevel)
 582         if err != nil {
 583                 t.Errorf("#delete_all_request_handler_test.TestHandleSuccessFlow - failed to initialize logger, error: %s", err)
 584         }
 585         return log
 586 }