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
  68         ranReconnectionManager := managers.NewRanReconnectionManager(logger, configuration.ParseConfiguration(), rnibDataService, ranSetupManager, e2tInstancesManagerMock)
  69         handler := NewE2TermInitNotificationHandler(logger, ranReconnectionManager, e2tInstancesManagerMock, routingManagerClientMock)
  70
  71         return logger, handler, readerMock, writerMock, rmrMessengerMock, e2tInstancesManagerMock, routingManagerClientMock
  72 }
  73
  74 func initRanLostConnectionTestWithRealE2tInstanceManager(t *testing.T) (*logger.Logger, *configuration.Configuration, E2TermInitNotificationHandler, *mocks.RnibReaderMock, *mocks.RnibWriterMock, *mocks.RmrMessengerMock, *mocks.HttpClientMock) {
  75
  76         logger := initLog(t)
  77         config := configuration.ParseConfiguration()
  78
  79         rmrMessengerMock := &mocks.RmrMessengerMock{}
  80         rmrSender := initRmrSender(rmrMessengerMock, logger)
  81
  82         readerMock := &mocks.RnibReaderMock{}
  83
  84         writerMock := &mocks.RnibWriterMock{}
  85         httpClientMock := &mocks.HttpClientMock{}
  86
  87         routingManagerClient := clients.NewRoutingManagerClient(logger, config, httpClientMock)
  88         rnibDataService := services.NewRnibDataService(logger, config, readerMock, writerMock)
  89         ranSetupManager := managers.NewRanSetupManager(logger, rmrSender, rnibDataService)
  90
  91         e2tInstancesManager := managers.NewE2TInstancesManager(rnibDataService, logger)
  92         ranReconnectionManager := managers.NewRanReconnectionManager(logger, configuration.ParseConfiguration(), rnibDataService, ranSetupManager, e2tInstancesManager)
  93         handler := NewE2TermInitNotificationHandler(logger, ranReconnectionManager, e2tInstancesManager, routingManagerClient)
  94         return logger, config, handler, readerMock, writerMock, rmrMessengerMock, httpClientMock
  95 }
  96
  97 func TestE2TermInitUnmarshalPayloadFailure(t *testing.T) {
  98         _, handler, _, _, _, e2tInstancesManagerMock, _ := initRanLostConnectionTest(t)
  99         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte("asd")}
 100         handler.Handle(notificationRequest)
 101         e2tInstancesManagerMock.AssertNotCalled(t, "GetE2TInstance")
 102         e2tInstancesManagerMock.AssertNotCalled(t, "AddE2TInstance")
 103 }
 104
 105 func TestE2TermInitEmptyE2TAddress(t *testing.T) {
 106         _, handler, _, _, _, e2tInstancesManagerMock, _  := initRanLostConnectionTest(t)
 107         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte("{\"address\":\"\"}")}
 108         handler.Handle(notificationRequest)
 109         e2tInstancesManagerMock.AssertNotCalled(t, "GetE2TInstance")
 110         e2tInstancesManagerMock.AssertNotCalled(t, "AddE2TInstance")
 111 }
 112
 113 func TestE2TermInitGetE2TInstanceFailure(t *testing.T) {
 114         _, handler, _, _, _, e2tInstancesManagerMock, _  := initRanLostConnectionTest(t)
 115         var e2tInstance *entities.E2TInstance
 116         e2tInstancesManagerMock.On("GetE2TInstance", e2tInstanceAddress).Return(e2tInstance, common.NewInternalError(fmt.Errorf("internal error")))
 117         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte(e2tInitPayload)}
 118         handler.Handle(notificationRequest)
 119         e2tInstancesManagerMock.AssertNotCalled(t, "AddE2TInstance")
 120 }
 121
 122 func TestE2TermInitGetE2TInstanceDbFailure(t *testing.T) {
 123         _, _, handler, readerMock, writerMock, rmrMessengerMock,_ := initRanLostConnectionTestWithRealE2tInstanceManager(t)
 124         var e2tInstance *entities.E2TInstance
 125         readerMock.On("GetE2TInstance", e2tInstanceAddress).Return(e2tInstance, common.NewInternalError(fmt.Errorf("internal error")))
 126         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte(e2tInitPayload)}
 127         handler.Handle(notificationRequest)
 128         writerMock.AssertNotCalled(t, "UpdateNodebInfo")
 129         rmrMessengerMock.AssertNotCalled(t, "SendMsg")
 130 }
 131
 132 func TestE2TermInitNewE2TInstance(t *testing.T) {
 133         _, config, handler, readerMock, writerMock, _, httpClientMock := initRanLostConnectionTestWithRealE2tInstanceManager(t)
 134         var e2tInstance *entities.E2TInstance
 135
 136         readerMock.On("GetE2TInstance", e2tInstanceAddress).Return(e2tInstance, common.NewResourceNotFoundError("not found"))
 137         writerMock.On("SaveE2TInstance", mock.Anything).Return(nil)
 138
 139         respBody := ioutil.NopCloser(bytes.NewBufferString(""))
 140         url := config.RoutingManager.BaseUrl + clients.AddE2TInstanceApiSuffix
 141         httpClientMock.On("Post", url, mock.Anything, mock.Anything).Return(&http.Response{StatusCode: http.StatusCreated, Body: respBody}, nil)
 142
 143         e2tAddresses := []string{}
 144         readerMock.On("GetE2TAddresses").Return(e2tAddresses, common.NewResourceNotFoundError(""))
 145
 146         e2tAddresses = append(e2tAddresses, e2tInstanceAddress)
 147         writerMock.On("SaveE2TAddresses", e2tAddresses).Return(nil)
 148
 149         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte(e2tInitPayload)}
 150         handler.Handle(notificationRequest)
 151
 152         httpClientMock.AssertCalled(t, "Post", url, mock.Anything, mock.Anything)
 153         writerMock.AssertCalled(t, "SaveE2TInstance", mock.Anything)
 154         writerMock.AssertCalled(t, "SaveE2TAddresses", e2tAddresses)
 155 }
 156
 157 func TestE2TermInitNewE2TInstance_RoutingManagerError(t *testing.T) {
 158         _, config, handler, readerMock, writerMock, _, httpClientMock := initRanLostConnectionTestWithRealE2tInstanceManager(t)
 159         var e2tInstance *entities.E2TInstance
 160
 161         readerMock.On("GetE2TInstance", e2tInstanceAddress).Return(e2tInstance, common.NewResourceNotFoundError("not found"))
 162
 163         url := config.RoutingManager.BaseUrl + clients.AddE2TInstanceApiSuffix
 164         httpClientMock.On("Post", url, mock.Anything, mock.Anything).Return(&http.Response{}, errors.New("error"))
 165
 166         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte(e2tInitPayload)}
 167         handler.Handle(notificationRequest)
 168
 169         httpClientMock.AssertCalled(t, "Post", url, mock.Anything, mock.Anything)
 170         writerMock.AssertNotCalled(t, "SaveE2TInstance", mock.Anything)
 171         writerMock.AssertNotCalled(t, "SaveE2TAddresses", mock.Anything)
 172 }
 173
 174 func TestE2TermInitExistingE2TInstanceNoAssociatedRans(t *testing.T) {
 175         _, handler, _, _, _, e2tInstancesManagerMock, _  := initRanLostConnectionTest(t)
 176         e2tInstance := entities.NewE2TInstance(e2tInstanceAddress)
 177         e2tInstancesManagerMock.On("GetE2TInstance", e2tInstanceAddress).Return(e2tInstance, nil)
 178         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte(e2tInitPayload)}
 179         handler.Handle(notificationRequest)
 180         e2tInstancesManagerMock.AssertCalled(t, "GetE2TInstance", e2tInstanceAddress)
 181 }
 182
 183 func TestE2TermInitHandlerSuccessOneRan(t *testing.T) {
 184         _, handler, readerMock, writerMock, rmrMessengerMock, e2tInstancesManagerMock, _  := initRanLostConnectionTest(t)
 185         var rnibErr error
 186
 187         var initialNodeb = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_CONNECTED, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST}
 188         readerMock.On("GetNodeb", RanName).Return(initialNodeb, rnibErr)
 189
 190         var argNodeb = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_CONNECTING, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST, ConnectionAttempts: 1}
 191         writerMock.On("UpdateNodebInfo", argNodeb).Return(rnibErr)
 192
 193         payload := e2pdus.PackedX2setupRequest
 194         xaction := []byte(RanName)
 195         msg := rmrCgo.NewMBuf(rmrCgo.RIC_X2_SETUP_REQ, len(payload), RanName, &payload, &xaction)
 196
 197         rmrMessengerMock.On("SendMsg", mock.Anything, true).Return(msg, nil)
 198
 199         e2tInstance := entities.NewE2TInstance(e2tInstanceAddress)
 200         e2tInstance.AssociatedRanList = append(e2tInstance.AssociatedRanList, RanName)
 201         e2tInstancesManagerMock.On("GetE2TInstance", e2tInstanceAddress).Return(e2tInstance, nil)
 202         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte(e2tInitPayload)}
 203
 204         handler.Handle(notificationRequest)
 205
 206         writerMock.AssertNumberOfCalls(t, "UpdateNodebInfo", 1)
 207         rmrMessengerMock.AssertNumberOfCalls(t, "SendMsg", 1)
 208 }
 209
 210 func TestE2TermInitHandlerSuccessOneRanShuttingdown(t *testing.T) {
 211         _, _, handler, readerMock, writerMock, rmrMessengerMock,_ := initRanLostConnectionTestWithRealE2tInstanceManager(t)
 212         var rnibErr error
 213
 214         var initialNodeb = &entities.NodebInfo{RanName: RanName, ConnectionStatus: entities.ConnectionStatus_SHUTTING_DOWN, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST}
 215         readerMock.On("GetNodeb", RanName).Return(initialNodeb, rnibErr)
 216
 217         var argNodeb = &entities.NodebInfo{RanName: RanName, ConnectionStatus: entities.ConnectionStatus_SHUT_DOWN, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST, ConnectionAttempts: 0}
 218         writerMock.On("UpdateNodebInfo", argNodeb).Return(rnibErr)
 219
 220         payload := e2pdus.PackedX2setupRequest
 221         xaction := []byte(RanName)
 222         msg := rmrCgo.NewMBuf(rmrCgo.RIC_X2_SETUP_REQ, len(payload), RanName, &payload, &xaction)
 223
 224         rmrMessengerMock.On("SendMsg", mock.Anything).Return(msg, nil)
 225
 226         e2tInstance := entities.NewE2TInstance(e2tInstanceAddress)
 227         e2tInstance.AssociatedRanList = append(e2tInstance.AssociatedRanList, RanName)
 228         readerMock.On("GetE2TInstance", e2tInstanceAddress).Return(e2tInstance, nil)
 229         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte(e2tInitPayload)}
 230
 231         handler.Handle(notificationRequest)
 232
 233         writerMock.AssertNumberOfCalls(t, "UpdateNodebInfo", 1)
 234         rmrMessengerMock.AssertNotCalled(t, "SendMsg")
 235 }
 236
 237 func TestE2TermInitHandlerSuccessOneRan_ToBeDeleted(t *testing.T) {
 238         _, _, handler, readerMock, writerMock, rmrMessengerMock, httpClientMock:= initRanLostConnectionTestWithRealE2tInstanceManager(t)
 239         var rnibErr error
 240
 241         var initialNodeb = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_CONNECTED, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST}
 242         readerMock.On("GetNodeb", RanName).Return(initialNodeb, rnibErr)
 243
 244         var argNodeb = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_CONNECTING, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST, ConnectionAttempts: 1}
 245         writerMock.On("UpdateNodebInfo", argNodeb).Return(rnibErr)
 246
 247         payload := e2pdus.PackedX2setupRequest
 248         xaction := []byte(RanName)
 249         msg := rmrCgo.NewMBuf(rmrCgo.RIC_X2_SETUP_REQ, len(payload), RanName, &payload, &xaction)
 250
 251         rmrMessengerMock.On("SendMsg", mock.Anything, true).Return(msg, nil)
 252
 253         e2tInstance := entities.NewE2TInstance(e2tInstanceAddress)
 254         e2tInstance.State = entities.ToBeDeleted
 255         e2tInstance.AssociatedRanList = append(e2tInstance.AssociatedRanList, RanName)
 256
 257         readerMock.On("GetE2TInstance", e2tInstanceAddress).Return(e2tInstance, nil)
 258         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte(e2tInitPayload)}
 259
 260         handler.Handle(notificationRequest)
 261
 262         httpClientMock.AssertNotCalled(t, "Post", mock.Anything, mock.Anything, mock.Anything)
 263         writerMock.AssertNotCalled(t, "UpdateNodebInfo")
 264         rmrMessengerMock.AssertNotCalled(t, "SendMsg")
 265 }
 266
 267 func TestE2TermInitHandlerSuccessTwoRans_RoutingManagerFailure(t *testing.T) {
 268         _, _, handler, readerMock, writerMock, rmrMessengerMock, httpClientMock:= initRanLostConnectionTestWithRealE2tInstanceManager(t)
 269
 270         var rnibErr error
 271         var initialNodeb0 = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_CONNECTED, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST}
 272         var initialNodeb1 = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_CONNECTED, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST}
 273         readerMock.On("GetNodeb", RanName).Return(initialNodeb0, rnibErr)
 274         readerMock.On("GetNodeb", "test2").Return(initialNodeb1, rnibErr)
 275
 276         var argNodeb = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_CONNECTING, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST, ConnectionAttempts: 1}
 277         writerMock.On("UpdateNodebInfo", argNodeb).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("ActivateE2TInstance", e2tInstance).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, e2tInstancesManagerMock, httpClientMock := initRanLostConnectionTest(t)
 337         var rnibErr error
 338         var initialNodeb0 = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_CONNECTED, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST}
 339         var initialNodeb1 = &entities.NodebInfo{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
 343         var argNodeb = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_CONNECTING, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST, ConnectionAttempts: 1}
 344         writerMock.On("UpdateNodebInfo", argNodeb).Return(rnibErr)
 345
 346         payload := e2pdus.PackedX2setupRequest
 347         xaction := []byte(RanName)
 348         msg := rmrCgo.NewMBuf(rmrCgo.RIC_X2_SETUP_REQ, len(payload), RanName, &payload, &xaction)
 349
 350         rmrMessengerMock.On("SendMsg", mock.Anything, true).Return(msg, nil)
 351
 352         e2tInstance := entities.NewE2TInstance(e2tInstanceAddress)
 353         e2tInstance.AssociatedRanList = append(e2tInstance.AssociatedRanList, RanName, "test2")
 354         e2tInstancesManagerMock.On("GetE2TInstance", e2tInstanceAddress).Return(e2tInstance, nil)
 355         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte(e2tInitPayload)}
 356
 357         handler.Handle(notificationRequest)
 358
 359         writerMock.AssertNumberOfCalls(t, "UpdateNodebInfo", 2)
 360         rmrMessengerMock.AssertNumberOfCalls(t, "SendMsg", 2)
 361         httpClientMock.AssertNotCalled(t, "Post", mock.Anything, mock.Anything, mock.Anything)
 362 }
 363
 364 func TestE2TermInitHandlerSuccessTwoRansSecondRanShutdown(t *testing.T) {
 365         _, handler, readerMock, writerMock, rmrMessengerMock, e2tInstancesManagerMock, _ := initRanLostConnectionTest(t)
 366         var rnibErr error
 367         var initialNodeb0 = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_CONNECTED, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST}
 368         var initialNodeb1 = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_SHUT_DOWN, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST}
 369         readerMock.On("GetNodeb", RanName).Return(initialNodeb0, rnibErr)
 370         readerMock.On("GetNodeb", "test2").Return(initialNodeb1, rnibErr)
 371
 372         var argNodeb = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_CONNECTING, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST, ConnectionAttempts: 1}
 373         writerMock.On("UpdateNodebInfo", argNodeb).Return(rnibErr)
 374
 375         payload := e2pdus.PackedX2setupRequest
 376         xaction := []byte(RanName)
 377         msg := rmrCgo.NewMBuf(rmrCgo.RIC_X2_SETUP_REQ, len(payload), RanName, &payload, &xaction)
 378
 379         rmrMessengerMock.On("SendMsg", mock.Anything, true).Return(msg, nil)
 380
 381         e2tInstance := entities.NewE2TInstance(e2tInstanceAddress)
 382         e2tInstance.AssociatedRanList = append(e2tInstance.AssociatedRanList, RanName, "test2")
 383         e2tInstancesManagerMock.On("GetE2TInstance", e2tInstanceAddress).Return(e2tInstance, nil)
 384         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte(e2tInitPayload)}
 385
 386         handler.Handle(notificationRequest)
 387
 388         writerMock.AssertNumberOfCalls(t, "UpdateNodebInfo", 1)
 389         rmrMessengerMock.AssertNumberOfCalls(t, "SendMsg", 1)
 390         writerMock.AssertExpectations(t)
 391 }
 392
 393 func TestE2TermInitHandlerSuccessThreeRansFirstRmrFailure(t *testing.T) {
 394         log, handler, readerMock, writerMock, rmrMessengerMock, e2tInstancesManagerMock, _  := initRanLostConnectionTest(t)
 395         var rnibErr error
 396
 397         ids := []*entities.NbIdentity{{InventoryName: "test1"}, {InventoryName: "test2"}, {InventoryName: "test3"}}
 398
 399         var initialNodeb0 = &entities.NodebInfo{RanName: ids[0].InventoryName, ConnectionStatus: entities.ConnectionStatus_CONNECTED, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST}
 400         var initialNodeb1 = &entities.NodebInfo{RanName: ids[1].InventoryName, ConnectionStatus: entities.ConnectionStatus_CONNECTED, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST}
 401         var initialNodeb2 = &entities.NodebInfo{RanName: ids[2].InventoryName, ConnectionStatus: entities.ConnectionStatus_CONNECTED, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST}
 402         readerMock.On("GetNodeb", ids[0].InventoryName).Return(initialNodeb0, rnibErr)
 403         readerMock.On("GetNodeb", ids[1].InventoryName).Return(initialNodeb1, rnibErr)
 404         readerMock.On("GetNodeb", ids[2].InventoryName).Return(initialNodeb2, rnibErr)
 405
 406         var argNodeb0 = &entities.NodebInfo{RanName: ids[0].InventoryName, ConnectionStatus: entities.ConnectionStatus_CONNECTING, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST, ConnectionAttempts: 1}
 407         var argNodeb0Fail = &entities.NodebInfo{RanName: ids[0].InventoryName, ConnectionStatus: entities.ConnectionStatus_DISCONNECTED, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST, ConnectionAttempts: 0}
 408         writerMock.On("UpdateNodebInfo", argNodeb0).Return(rnibErr)
 409         writerMock.On("UpdateNodebInfo", argNodeb0Fail).Return(rnibErr)
 410
 411         payload := models.NewE2RequestMessage(ids[0].InventoryName /*tid*/, "", 0, ids[0].InventoryName, e2pdus.PackedX2setupRequest).GetMessageAsBytes(log)
 412         xaction := []byte(ids[0].InventoryName)
 413         msg0 := rmrCgo.NewMBuf(rmrCgo.RIC_X2_SETUP_REQ, len(payload), ids[0].InventoryName, &payload, &xaction)
 414
 415         rmrMessengerMock.On("SendMsg", mock.Anything, true).Return(msg0, fmt.Errorf("RMR Error"))
 416
 417         e2tInstance := entities.NewE2TInstance(e2tInstanceAddress)
 418         e2tInstance.AssociatedRanList = append(e2tInstance.AssociatedRanList, "test1", "test2", "test3")
 419         e2tInstancesManagerMock.On("GetE2TInstance", e2tInstanceAddress).Return(e2tInstance, nil)
 420         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte(e2tInitPayload)}
 421
 422         handler.Handle(notificationRequest)
 423
 424         //test1 (before send +1, after failure +1), test2 (0) test3 (0)
 425         writerMock.AssertNumberOfCalls(t, "UpdateNodebInfo", 2)
 426         //test1 failure (+1), test2  (0). test3 (0)
 427         rmrMessengerMock.AssertNumberOfCalls(t, "SendMsg", 1)
 428 }
 429
 430 func TestE2TermInitHandlerSuccessThreeRansSecondNotFoundFailure(t *testing.T) {
 431         log, handler, readerMock, writerMock, rmrMessengerMock, e2tInstancesManagerMock, _  := initRanLostConnectionTest(t)
 432         var rnibErr error
 433
 434         ids := []*entities.NbIdentity{{InventoryName: "test1"}, {InventoryName: "test2"}, {InventoryName: "test3"}}
 435
 436         var initialNodeb0 = &entities.NodebInfo{RanName: ids[0].InventoryName, ConnectionStatus: entities.ConnectionStatus_CONNECTED, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST}
 437         var initialNodeb1 = &entities.NodebInfo{RanName: ids[1].InventoryName, ConnectionStatus: entities.ConnectionStatus_CONNECTED, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST}
 438         var initialNodeb2 = &entities.NodebInfo{RanName: ids[2].InventoryName, ConnectionStatus: entities.ConnectionStatus_CONNECTED, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST}
 439         readerMock.On("GetNodeb", ids[0].InventoryName).Return(initialNodeb0, rnibErr)
 440         readerMock.On("GetNodeb", ids[1].InventoryName).Return(initialNodeb1, common.NewResourceNotFoundError("not found"))
 441         readerMock.On("GetNodeb", ids[2].InventoryName).Return(initialNodeb2, rnibErr)
 442
 443         var argNodeb0 = &entities.NodebInfo{RanName: ids[0].InventoryName, ConnectionStatus: entities.ConnectionStatus_CONNECTING, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST, ConnectionAttempts: 1}
 444         var argNodeb0Success = &entities.NodebInfo{RanName: ids[0].InventoryName, ConnectionStatus: entities.ConnectionStatus_CONNECTED, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST, ConnectionAttempts: 1}
 445         writerMock.On("UpdateNodebInfo", argNodeb0).Return(rnibErr)
 446         writerMock.On("UpdateNodebInfo", argNodeb0Success).Return(rnibErr)
 447
 448         var argNodeb2 = &entities.NodebInfo{RanName: ids[2].InventoryName, ConnectionStatus: entities.ConnectionStatus_CONNECTING, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST, ConnectionAttempts: 1}
 449         var argNodeb2Success = &entities.NodebInfo{RanName: ids[2].InventoryName, ConnectionStatus: entities.ConnectionStatus_CONNECTED, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST, ConnectionAttempts: 1}
 450         writerMock.On("UpdateNodebInfo", argNodeb2).Return(rnibErr)
 451         writerMock.On("UpdateNodebInfo", argNodeb2Success).Return(rnibErr)
 452
 453         payload := models.NewE2RequestMessage(ids[0].InventoryName /*tid*/, "", 0, ids[0].InventoryName, e2pdus.PackedX2setupRequest).GetMessageAsBytes(log)
 454         xaction := []byte(ids[0].InventoryName)
 455         msg0 := rmrCgo.NewMBuf(rmrCgo.RIC_X2_SETUP_REQ, len(payload), ids[0].InventoryName, &payload, &xaction)
 456
 457         rmrMessengerMock.On("SendMsg", mock.Anything, true).Return(msg0, nil)
 458
 459         e2tInstance := entities.NewE2TInstance(e2tInstanceAddress)
 460         e2tInstance.AssociatedRanList = append(e2tInstance.AssociatedRanList, "test1", "test2", "test3")
 461         e2tInstancesManagerMock.On("GetE2TInstance", e2tInstanceAddress).Return(e2tInstance, nil)
 462         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte(e2tInitPayload)}
 463
 464         handler.Handle(notificationRequest)
 465
 466         readerMock.AssertNumberOfCalls(t, "GetNodeb", 3)
 467         //test1 (+1), test2 failure (0) test3 (+1)
 468         writerMock.AssertNumberOfCalls(t, "UpdateNodebInfo", 2)
 469         //test1 success (+1), test2  (0). test3 (+1)
 470         rmrMessengerMock.AssertNumberOfCalls(t, "SendMsg", 2)
 471 }
 472
 473 func TestE2TermInitHandlerSuccessThreeRansSecondRnibInternalErrorFailure(t *testing.T) {
 474         log, handler, readerMock, writerMock, rmrMessengerMock, e2tInstancesManagerMock, _  := initRanLostConnectionTest(t)
 475         var rnibErr error
 476
 477         ids := []*entities.NbIdentity{{InventoryName: "test1"}, {InventoryName: "test2"}, {InventoryName: "test3"}}
 478
 479         var initialNodeb0 = &entities.NodebInfo{RanName: ids[0].InventoryName, ConnectionStatus: entities.ConnectionStatus_CONNECTED, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST}
 480         var initialNodeb1 = &entities.NodebInfo{RanName: ids[1].InventoryName, ConnectionStatus: entities.ConnectionStatus_CONNECTED, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST}
 481         var initialNodeb2 = &entities.NodebInfo{RanName: ids[2].InventoryName, ConnectionStatus: entities.ConnectionStatus_CONNECTED, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST}
 482         readerMock.On("GetNodeb", ids[0].InventoryName).Return(initialNodeb0, rnibErr)
 483         readerMock.On("GetNodeb", ids[1].InventoryName).Return(initialNodeb1, common.NewInternalError(fmt.Errorf("internal error")))
 484         readerMock.On("GetNodeb", ids[2].InventoryName).Return(initialNodeb2, rnibErr)
 485
 486         var argNodeb0 = &entities.NodebInfo{RanName: ids[0].InventoryName, ConnectionStatus: entities.ConnectionStatus_CONNECTING, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST, ConnectionAttempts: 1}
 487         var argNodeb0Success = &entities.NodebInfo{RanName: ids[0].InventoryName, ConnectionStatus: entities.ConnectionStatus_CONNECTED, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST, ConnectionAttempts: 1}
 488         writerMock.On("UpdateNodebInfo", argNodeb0).Return(rnibErr)
 489         writerMock.On("UpdateNodebInfo", argNodeb0Success).Return(rnibErr)
 490
 491         var argNodeb2 = &entities.NodebInfo{RanName: ids[2].InventoryName, ConnectionStatus: entities.ConnectionStatus_CONNECTING, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST, ConnectionAttempts: 1}
 492         var argNodeb2Success = &entities.NodebInfo{RanName: ids[2].InventoryName, ConnectionStatus: entities.ConnectionStatus_CONNECTED, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST, ConnectionAttempts: 1}
 493         writerMock.On("UpdateNodebInfo", argNodeb2).Return(rnibErr)
 494         writerMock.On("UpdateNodebInfo", argNodeb2Success).Return(rnibErr)
 495
 496         payload := models.NewE2RequestMessage(ids[0].InventoryName /*tid*/, "", 0, ids[0].InventoryName, e2pdus.PackedX2setupRequest).GetMessageAsBytes(log)
 497         xaction := []byte(ids[0].InventoryName)
 498         msg0 := rmrCgo.NewMBuf(rmrCgo.RIC_X2_SETUP_REQ, len(payload), ids[0].InventoryName, &payload, &xaction)
 499
 500         rmrMessengerMock.On("SendMsg", mock.Anything, true).Return(msg0, nil)
 501
 502         e2tInstance := entities.NewE2TInstance(e2tInstanceAddress)
 503         e2tInstance.AssociatedRanList = append(e2tInstance.AssociatedRanList, "test1", "test2", "test3")
 504         e2tInstancesManagerMock.On("GetE2TInstance", e2tInstanceAddress).Return(e2tInstance, nil)
 505         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte(e2tInitPayload)}
 506
 507         handler.Handle(notificationRequest)
 508
 509         readerMock.AssertNumberOfCalls(t, "GetNodeb", 2)
 510         //test1 (+1), test2 failure (0) test3 (0)
 511         writerMock.AssertNumberOfCalls(t, "UpdateNodebInfo", 1)
 512         //test1 success (+1), test2  (0). test3 (+1)
 513         rmrMessengerMock.AssertNumberOfCalls(t, "SendMsg", 1)
 514 }
 515
 516 func TestE2TermInitHandlerSuccessZeroRans(t *testing.T) {
 517         _, handler, _, writerMock, rmrMessengerMock, e2tInstancesManagerMock, _  := initRanLostConnectionTest(t)
 518
 519         e2tInstance := entities.NewE2TInstance(e2tInstanceAddress)
 520         e2tInstancesManagerMock.On("GetE2TInstance", e2tInstanceAddress).Return(e2tInstance, nil)
 521         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte(e2tInitPayload)}
 522
 523         handler.Handle(notificationRequest)
 524
 525         writerMock.AssertNotCalled(t, "UpdateNodebInfo")
 526         rmrMessengerMock.AssertNotCalled(t, "SendMsg")
 527 }
 528
 529 func TestE2TermInitHandlerFailureGetNodebInternalError(t *testing.T) {
 530         _, handler, readerMock, writerMock, rmrMessengerMock, e2tInstancesManagerMock, _ := initRanLostConnectionTest(t)
 531
 532         var nodebInfo *entities.NodebInfo
 533         readerMock.On("GetNodeb", "test1").Return(nodebInfo, common.NewInternalError(fmt.Errorf("internal error")))
 534
 535         e2tInstance := entities.NewE2TInstance(e2tInstanceAddress)
 536         e2tInstance.AssociatedRanList = append(e2tInstance.AssociatedRanList, "test1")
 537         e2tInstancesManagerMock.On("GetE2TInstance", e2tInstanceAddress).Return(e2tInstance, nil)
 538         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte(e2tInitPayload)}
 539         handler.Handle(notificationRequest)
 540
 541         writerMock.AssertNotCalled(t, "UpdateNodebInfo")
 542         rmrMessengerMock.AssertNotCalled(t, "SendMsg")
 543 }
 544
 545 func TestE2TermInitHandlerSuccessTwoRansSecondIsDisconnected(t *testing.T) {
 546         _, handler, readerMock, writerMock, rmrMessengerMock, e2tInstancesManagerMock, _ := initRanLostConnectionTest(t)
 547         var rnibErr error
 548         var initialNodeb0 = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_CONNECTED, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST}
 549         var initialNodeb1 = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_DISCONNECTED, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST}
 550         readerMock.On("GetNodeb", RanName).Return(initialNodeb0, rnibErr)
 551         readerMock.On("GetNodeb", "test2").Return(initialNodeb1, rnibErr)
 552
 553         var argNodeb1 = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_CONNECTING, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST, ConnectionAttempts: 1}
 554         writerMock.On("UpdateNodebInfo", argNodeb1).Return(rnibErr)
 555
 556         payload := e2pdus.PackedX2setupRequest
 557         xaction := []byte(RanName)
 558         msg := rmrCgo.NewMBuf(rmrCgo.RIC_X2_SETUP_REQ, len(payload), RanName, &payload, &xaction)
 559
 560         rmrMessengerMock.On("SendMsg", mock.Anything, true).Return(msg, nil)
 561
 562         e2tInstance := entities.NewE2TInstance(e2tInstanceAddress)
 563         e2tInstance.AssociatedRanList = append(e2tInstance.AssociatedRanList, RanName, "test2")
 564         e2tInstancesManagerMock.On("GetE2TInstance", e2tInstanceAddress).Return(e2tInstance, nil)
 565         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte(e2tInitPayload)}
 566
 567         handler.Handle(notificationRequest)
 568
 569         writerMock.AssertNumberOfCalls(t, "UpdateNodebInfo", 2)
 570         rmrMessengerMock.AssertNumberOfCalls(t, "SendMsg", 2)
 571 }
 572
 573
 574 // TODO: extract to test_utils
 575 func initRmrSender(rmrMessengerMock *mocks.RmrMessengerMock, log *logger.Logger) *rmrsender.RmrSender {
 576         rmrMessenger := rmrCgo.RmrMessenger(rmrMessengerMock)
 577         rmrMessengerMock.On("Init", tests.GetPort(), tests.MaxMsgSize, tests.Flags, log).Return(&rmrMessenger)
 578         return rmrsender.NewRmrSender(log, rmrMessenger)
 579 }
 580
 581 // TODO: extract to test_utils
 582 func initLog(t *testing.T) *logger.Logger {
 583         log, err := logger.InitLogger(logger.InfoLevel)
 584         if err != nil {
 585                 t.Errorf("#delete_all_request_handler_test.TestHandleSuccessFlow - failed to initialize logger, error: %s", err)
 586         }
 587         return log
 588 }