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/logger"
  28         "e2mgr/managers"
  29         "e2mgr/mocks"
  30         "e2mgr/models"
  31         "e2mgr/rmrCgo"
  32         "e2mgr/services"
  33         "e2mgr/services/rmrsender"
  34         "e2mgr/tests"
  35         "fmt"
  36         "gerrit.o-ran-sc.org/r/ric-plt/nodeb-rnib.git/common"
  37         "gerrit.o-ran-sc.org/r/ric-plt/nodeb-rnib.git/entities"
  38         "github.com/pkg/errors"
  39         "github.com/stretchr/testify/mock"
  40         "io/ioutil"
  41         "net/http"
  42         "testing"
  43 )
  44
  45 const (
  46         e2tInitPayload = "{\"address\":\"10.0.2.15\", \"fqdn\":\"\"}"
  47         e2tInstanceAddress = "10.0.2.15"
  48         podName = "podNAme_test"
  49 )
  50
  51 func initRanLostConnectionTest(t *testing.T) (*logger.Logger, E2TermInitNotificationHandler, *mocks.RnibReaderMock, *mocks.RnibWriterMock, *mocks.E2TInstancesManagerMock, *mocks.RoutingManagerClientMock) {
  52
  53         logger := initLog(t)
  54         config := &configuration.Configuration{RnibRetryIntervalMs: 10, MaxRnibConnectionAttempts: 3}
  55
  56         readerMock := &mocks.RnibReaderMock{}
  57
  58         writerMock := &mocks.RnibWriterMock{}
  59
  60         routingManagerClientMock := &mocks.RoutingManagerClientMock{}
  61
  62         rnibDataService := services.NewRnibDataService(logger, config, readerMock, writerMock)
  63
  64         e2tInstancesManagerMock := &mocks.E2TInstancesManagerMock{}
  65
  66         ranListManager := &mocks.RanListManagerMock{}
  67         ranAlarmService := &mocks.RanAlarmServiceMock{}
  68         ranConnectStatusChangeManager := managers.NewRanConnectStatusChangeManager(logger, rnibDataService,ranListManager, ranAlarmService)
  69         e2tAssociationManager := managers.NewE2TAssociationManager(logger, rnibDataService, e2tInstancesManagerMock, routingManagerClientMock, ranConnectStatusChangeManager)
  70
  71         ranDisconnectionManager := managers.NewRanDisconnectionManager(logger, configuration.ParseConfiguration(), rnibDataService, e2tAssociationManager)
  72         handler := NewE2TermInitNotificationHandler(logger, ranDisconnectionManager, e2tInstancesManagerMock, routingManagerClientMock)
  73
  74         return logger, handler, readerMock, writerMock, e2tInstancesManagerMock, routingManagerClientMock
  75 }
  76
  77 func initRanLostConnectionTestWithRealE2tInstanceManager(t *testing.T) (*logger.Logger, *configuration.Configuration, E2TermInitNotificationHandler, *mocks.RnibReaderMock, *mocks.RnibWriterMock, *mocks.HttpClientMock) {
  78
  79         logger := initLog(t)
  80         config := configuration.ParseConfiguration()
  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
  90         e2tInstancesManager := managers.NewE2TInstancesManager(rnibDataService, logger)
  91         ranListManager := managers.NewRanListManager(logger)
  92         ranAlarmService := services.NewRanAlarmService(logger, config)
  93         ranConnectStatusChangeManager := managers.NewRanConnectStatusChangeManager(logger, rnibDataService,ranListManager, ranAlarmService)
  94         e2tAssociationManager := managers.NewE2TAssociationManager(logger, rnibDataService, e2tInstancesManager, routingManagerClient, ranConnectStatusChangeManager)
  95         ranDisconnectionManager := managers.NewRanDisconnectionManager(logger, configuration.ParseConfiguration(), rnibDataService, e2tAssociationManager)
  96         handler := NewE2TermInitNotificationHandler(logger, ranDisconnectionManager, e2tInstancesManager, routingManagerClient)
  97         return logger, config, handler, readerMock, writerMock, httpClientMock
  98 }
  99
 100 func TestE2TermInitUnmarshalPayloadFailure(t *testing.T) {
 101         _, handler, _, _, e2tInstancesManagerMock, _ := initRanLostConnectionTest(t)
 102         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte("asd")}
 103         handler.Handle(notificationRequest)
 104         e2tInstancesManagerMock.AssertNotCalled(t, "GetE2TInstance")
 105         e2tInstancesManagerMock.AssertNotCalled(t, "AddE2TInstance")
 106 }
 107
 108 func TestE2TermInitEmptyE2TAddress(t *testing.T) {
 109         _, handler, _, _, e2tInstancesManagerMock, _ := initRanLostConnectionTest(t)
 110         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte("{\"address\":\"\"}")}
 111         handler.Handle(notificationRequest)
 112         e2tInstancesManagerMock.AssertNotCalled(t, "GetE2TInstance")
 113         e2tInstancesManagerMock.AssertNotCalled(t, "AddE2TInstance")
 114 }
 115
 116 func TestE2TermInitGetE2TInstanceFailure(t *testing.T) {
 117         _, handler, _, _, e2tInstancesManagerMock, _ := initRanLostConnectionTest(t)
 118         var e2tInstance *entities.E2TInstance
 119         e2tInstancesManagerMock.On("GetE2TInstance", e2tInstanceAddress).Return(e2tInstance, common.NewInternalError(fmt.Errorf("internal error")))
 120         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte(e2tInitPayload)}
 121         handler.Handle(notificationRequest)
 122         e2tInstancesManagerMock.AssertNotCalled(t, "AddE2TInstance")
 123 }
 124
 125 func TestE2TermInitGetE2TInstanceDbFailure(t *testing.T) {
 126         _, _, handler, readerMock, writerMock, _ := initRanLostConnectionTestWithRealE2tInstanceManager(t)
 127         var e2tInstance *entities.E2TInstance
 128         readerMock.On("GetE2TInstance", e2tInstanceAddress).Return(e2tInstance, common.NewInternalError(fmt.Errorf("internal error")))
 129         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte(e2tInitPayload)}
 130         handler.Handle(notificationRequest)
 131         writerMock.AssertNotCalled(t, "UpdateNodebInfo")
 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
 162         var e2tInstance *entities.E2TInstance
 163
 164         readerMock.On("GetE2TInstance", e2tInstanceAddress).Return(e2tInstance, common.NewResourceNotFoundError("not found"))
 165
 166         url := config.RoutingManager.BaseUrl + clients.AddE2TInstanceApiSuffix
 167         httpClientMock.On("Post", url, mock.Anything, mock.Anything).Return(&http.Response{}, errors.New("error"))
 168
 169         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte(e2tInitPayload)}
 170         handler.Handle(notificationRequest)
 171
 172         writerMock.AssertNumberOfCalls(t, "SaveE2TInstance", 0)
 173 }
 174
 175 func TestE2TermInitExistingE2TInstanceNoAssociatedRans(t *testing.T) {
 176         _, handler, _, _, e2tInstancesManagerMock, _ := initRanLostConnectionTest(t)
 177         e2tInstance := entities.NewE2TInstance(e2tInstanceAddress, podName)
 178         e2tInstancesManagerMock.On("GetE2TInstance", e2tInstanceAddress).Return(e2tInstance, nil)
 179         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte(e2tInitPayload)}
 180         handler.Handle(notificationRequest)
 181         e2tInstancesManagerMock.AssertCalled(t, "GetE2TInstance", e2tInstanceAddress)
 182 }
 183
 184 func TestE2TermInitHandlerSuccessOneRan(t *testing.T) {
 185         _, config, handler, readerMock, writerMock, httpClientMock := initRanLostConnectionTestWithRealE2tInstanceManager(t)
 186
 187         var rnibErr error
 188         var initialNodeb = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_CONNECTED, RanName: RanName, AssociatedE2TInstanceAddress: "10.0.2.15"}
 189         readerMock.On("GetNodeb", RanName).Return(initialNodeb, rnibErr)
 190
 191         var argNodeb = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_DISCONNECTED, RanName: RanName, AssociatedE2TInstanceAddress: "10.0.2.15"}
 192         writerMock.On("UpdateNodebInfo", argNodeb).Return(rnibErr)
 193
 194         var disconnectedNodeb = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_DISCONNECTED, RanName: RanName, AssociatedE2TInstanceAddress: "10.0.2.15"}
 195         readerMock.On("GetNodeb", RanName).Return(disconnectedNodeb, rnibErr)
 196
 197         var updatedNodeb = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_DISCONNECTED, RanName: RanName, AssociatedE2TInstanceAddress: ""}
 198         writerMock.On("UpdateNodebInfo", updatedNodeb).Return(rnibErr)
 199
 200         e2tInstance := entities.NewE2TInstance(e2tInstanceAddress, podName)
 201         e2tInstance.AssociatedRanList = append(e2tInstance.AssociatedRanList, RanName)
 202         readerMock.On("GetE2TInstance", e2tInstanceAddress).Return(e2tInstance, nil).Return(e2tInstance, nil)
 203         writerMock.On("SaveE2TInstance", mock.Anything).Return(nil)
 204
 205         respBody := ioutil.NopCloser(bytes.NewBufferString(""))
 206         url := config.RoutingManager.BaseUrl + clients.DissociateRanE2TInstanceApiSuffix
 207         httpClientMock.On("Post", url, mock.Anything, mock.Anything).Return(&http.Response{StatusCode: http.StatusCreated, Body: respBody}, nil)
 208
 209         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte(e2tInitPayload)}
 210
 211         handler.Handle(notificationRequest)
 212
 213         writerMock.AssertNumberOfCalls(t, "UpdateNodebInfo", 2)
 214         writerMock.AssertNumberOfCalls(t, "SaveE2TInstance", 1)
 215         httpClientMock.AssertNumberOfCalls(t, "Post", 1)
 216 }
 217
 218 func TestE2TermInitHandlerSuccessOneRan_RoutingManagerError(t *testing.T) {
 219         _, config, handler, readerMock, writerMock, httpClientMock := initRanLostConnectionTestWithRealE2tInstanceManager(t)
 220
 221         var rnibErr error
 222         var initialNodeb = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_CONNECTED, RanName: RanName, AssociatedE2TInstanceAddress: "10.0.2.15"}
 223         readerMock.On("GetNodeb", RanName).Return(initialNodeb, rnibErr)
 224
 225         var argNodeb = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_DISCONNECTED, RanName: RanName, AssociatedE2TInstanceAddress: "10.0.2.15"}
 226         writerMock.On("UpdateNodebInfo", argNodeb).Return(rnibErr)
 227
 228         var disconnectedNodeb = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_DISCONNECTED, RanName: RanName, AssociatedE2TInstanceAddress: "10.0.2.15"}
 229         readerMock.On("GetNodeb", RanName).Return(disconnectedNodeb, rnibErr)
 230
 231         var updatedNodeb = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_DISCONNECTED, RanName: RanName, AssociatedE2TInstanceAddress: ""}
 232         writerMock.On("UpdateNodebInfo", updatedNodeb).Return(rnibErr)
 233
 234         e2tInstance := entities.NewE2TInstance(e2tInstanceAddress, podName)
 235         e2tInstance.AssociatedRanList = append(e2tInstance.AssociatedRanList, RanName)
 236         readerMock.On("GetE2TInstance", e2tInstanceAddress).Return(e2tInstance, nil).Return(e2tInstance, nil)
 237         writerMock.On("SaveE2TInstance", mock.Anything).Return(nil)
 238
 239         url := config.RoutingManager.BaseUrl + clients.DissociateRanE2TInstanceApiSuffix
 240         httpClientMock.On("Post", url, mock.Anything, mock.Anything).Return(&http.Response{}, errors.New("error"))
 241
 242         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte(e2tInitPayload)}
 243
 244         handler.Handle(notificationRequest)
 245
 246         writerMock.AssertNumberOfCalls(t, "UpdateNodebInfo", 2)
 247         writerMock.AssertNumberOfCalls(t, "SaveE2TInstance", 1)
 248         httpClientMock.AssertNumberOfCalls(t, "Post", 1)
 249 }
 250
 251 func TestE2TermInitHandlerSuccessOneRanShuttingdown(t *testing.T) {
 252         _, _, handler, readerMock, writerMock, _ := initRanLostConnectionTestWithRealE2tInstanceManager(t)
 253         var rnibErr error
 254
 255         var initialNodeb = &entities.NodebInfo{RanName: RanName, ConnectionStatus: entities.ConnectionStatus_SHUTTING_DOWN, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST}
 256         readerMock.On("GetNodeb", RanName).Return(initialNodeb, rnibErr)
 257
 258         var argNodeb = &entities.NodebInfo{RanName: RanName, ConnectionStatus: entities.ConnectionStatus_SHUT_DOWN, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST}
 259         writerMock.On("UpdateNodebInfo", argNodeb).Return(rnibErr)
 260
 261         e2tInstance := entities.NewE2TInstance(e2tInstanceAddress, podName)
 262         e2tInstance.AssociatedRanList = append(e2tInstance.AssociatedRanList, RanName)
 263         readerMock.On("GetE2TInstance", e2tInstanceAddress).Return(e2tInstance, nil)
 264         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte(e2tInitPayload)}
 265
 266         handler.Handle(notificationRequest)
 267
 268         writerMock.AssertNumberOfCalls(t, "UpdateNodebInfo", 1)
 269 }
 270
 271 func TestE2TermInitHandlerSuccessOneRan_ToBeDeleted(t *testing.T) {
 272         _, _, handler, readerMock, writerMock, httpClientMock := initRanLostConnectionTestWithRealE2tInstanceManager(t)
 273         var rnibErr error
 274
 275         var initialNodeb = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_CONNECTED, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST}
 276         readerMock.On("GetNodeb", RanName).Return(initialNodeb, rnibErr)
 277
 278         var argNodeb = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_CONNECTING, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST}
 279         writerMock.On("UpdateNodebInfo", argNodeb).Return(rnibErr)
 280
 281         e2tInstance := entities.NewE2TInstance(e2tInstanceAddress, podName)
 282         e2tInstance.State = entities.ToBeDeleted
 283         e2tInstance.AssociatedRanList = append(e2tInstance.AssociatedRanList, RanName)
 284
 285         readerMock.On("GetE2TInstance", e2tInstanceAddress).Return(e2tInstance, nil)
 286         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte(e2tInitPayload)}
 287
 288         handler.Handle(notificationRequest)
 289
 290         httpClientMock.AssertNotCalled(t, "Post", mock.Anything, mock.Anything, mock.Anything)
 291         writerMock.AssertNotCalled(t, "UpdateNodebInfo")
 292 }
 293
 294 func TestE2TermInitHandlerSuccessTwoRans(t *testing.T) {
 295
 296         _, config, handler, readerMock, writerMock, httpClientMock := initRanLostConnectionTestWithRealE2tInstanceManager(t)
 297
 298         var rnibErr error
 299         test2 := "test2"
 300
 301         //First RAN
 302         var firstRan = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_CONNECTED, RanName: RanName, AssociatedE2TInstanceAddress: "10.0.2.15"}
 303         var disconnectedFirstRan = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_DISCONNECTED, RanName: RanName, AssociatedE2TInstanceAddress: "10.0.2.15"}
 304         readerMock.On("GetNodeb", RanName).Return(firstRan, rnibErr).Return(disconnectedFirstRan, rnibErr)
 305
 306         var updatedFirstRan = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_DISCONNECTED, RanName: RanName, AssociatedE2TInstanceAddress: "10.0.2.15"}
 307         writerMock.On("UpdateNodebInfo", updatedFirstRan).Return(rnibErr)
 308
 309         var updatedDisconnectedFirstRan = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_DISCONNECTED, RanName: RanName, AssociatedE2TInstanceAddress: ""}
 310         writerMock.On("UpdateNodebInfo", updatedDisconnectedFirstRan).Return(rnibErr)
 311
 312         //Second RAN
 313         var secondRan = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_CONNECTED, RanName: test2, AssociatedE2TInstanceAddress: "10.0.2.15"}
 314         var disconnectedSecondRan = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_DISCONNECTED, RanName: test2, AssociatedE2TInstanceAddress: "10.0.2.15"}
 315         readerMock.On("GetNodeb", test2).Return(secondRan, rnibErr).Return(disconnectedSecondRan, rnibErr)
 316
 317         var updatedSecondRan = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_DISCONNECTED, RanName: test2, AssociatedE2TInstanceAddress: "10.0.2.15"}
 318         writerMock.On("UpdateNodebInfo", updatedSecondRan).Return(rnibErr)
 319
 320         var updatedDisconnectedSecondRan = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_DISCONNECTED, RanName: test2, AssociatedE2TInstanceAddress: ""}
 321         writerMock.On("UpdateNodebInfo", updatedDisconnectedSecondRan).Return(rnibErr)
 322
 323         e2tInstance := entities.NewE2TInstance(e2tInstanceAddress, podName)
 324         e2tInstance.AssociatedRanList = append(e2tInstance.AssociatedRanList, RanName)
 325         e2tInstance.AssociatedRanList = append(e2tInstance.AssociatedRanList, test2)
 326         readerMock.On("GetE2TInstance", e2tInstanceAddress).Return(e2tInstance, nil).Return(e2tInstance, nil)
 327         writerMock.On("SaveE2TInstance", mock.Anything).Return(nil)
 328
 329         respBody := ioutil.NopCloser(bytes.NewBufferString(""))
 330         url := config.RoutingManager.BaseUrl + clients.DissociateRanE2TInstanceApiSuffix
 331         httpClientMock.On("Post", url, mock.Anything, mock.Anything).Return(&http.Response{StatusCode: http.StatusCreated, Body: respBody}, nil)
 332
 333         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte(e2tInitPayload)}
 334
 335         handler.Handle(notificationRequest)
 336
 337         writerMock.AssertNumberOfCalls(t, "UpdateNodebInfo", 4)
 338         writerMock.AssertNumberOfCalls(t, "SaveE2TInstance", 2)
 339         httpClientMock.AssertNumberOfCalls(t, "Post", 2)
 340 }
 341
 342 func TestE2TermInitHandlerSuccessTwoRansSecondRanShutdown(t *testing.T) {
 343         _, config, handler, readerMock, writerMock, httpClientMock := initRanLostConnectionTestWithRealE2tInstanceManager(t)
 344
 345         var rnibErr error
 346         test2 := "test2"
 347
 348         //First RAN
 349         var firstRan = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_CONNECTED, RanName: RanName, AssociatedE2TInstanceAddress: "10.0.2.15"}
 350         var disconnectedFirstRan = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_DISCONNECTED, RanName: RanName, AssociatedE2TInstanceAddress: "10.0.2.15"}
 351         readerMock.On("GetNodeb", RanName).Return(firstRan, rnibErr).Return(disconnectedFirstRan, rnibErr)
 352
 353         var updatedFirstRan = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_DISCONNECTED, RanName: RanName, AssociatedE2TInstanceAddress: "10.0.2.15"}
 354         writerMock.On("UpdateNodebInfo", updatedFirstRan).Return(rnibErr)
 355
 356         var updatedDisconnectedFirstRan = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_DISCONNECTED, RanName: RanName, AssociatedE2TInstanceAddress: ""}
 357         writerMock.On("UpdateNodebInfo", updatedDisconnectedFirstRan).Return(rnibErr)
 358
 359         //Second RAN
 360         var secondRan = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_SHUT_DOWN, RanName: test2, AssociatedE2TInstanceAddress: "10.0.2.15"}
 361         readerMock.On("GetNodeb", test2).Return(secondRan, rnibErr)
 362
 363         e2tInstance := entities.NewE2TInstance(e2tInstanceAddress, podName)
 364         e2tInstance.AssociatedRanList = append(e2tInstance.AssociatedRanList, RanName)
 365         readerMock.On("GetE2TInstance", e2tInstanceAddress).Return(e2tInstance, nil).Return(e2tInstance, nil)
 366         writerMock.On("SaveE2TInstance", mock.Anything).Return(nil)
 367
 368         respBody := ioutil.NopCloser(bytes.NewBufferString(""))
 369         url := config.RoutingManager.BaseUrl + clients.DissociateRanE2TInstanceApiSuffix
 370         httpClientMock.On("Post", url, mock.Anything, mock.Anything).Return(&http.Response{StatusCode: http.StatusCreated, Body: respBody}, nil)
 371
 372         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte(e2tInitPayload)}
 373
 374         handler.Handle(notificationRequest)
 375
 376         writerMock.AssertNumberOfCalls(t, "UpdateNodebInfo", 2)
 377         writerMock.AssertNumberOfCalls(t, "SaveE2TInstance", 1)
 378         httpClientMock.AssertNumberOfCalls(t, "Post", 1)
 379 }
 380
 381 func TestE2TermInitHandlerSuccessTwoRansFirstNotFoundFailure(t *testing.T) {
 382         _, config, handler, readerMock, writerMock, httpClientMock := initRanLostConnectionTestWithRealE2tInstanceManager(t)
 383
 384         var rnibErr error
 385         test2 := "test2"
 386
 387         //First RAN
 388         var firstRan = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_CONNECTED, RanName: RanName, AssociatedE2TInstanceAddress: "10.0.2.15"}
 389         readerMock.On("GetNodeb", RanName).Return(firstRan, common.NewResourceNotFoundError("not found"))
 390
 391         //Second RAN
 392         var secondRan = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_CONNECTED, RanName: test2, AssociatedE2TInstanceAddress: "10.0.2.15"}
 393         var disconnectedSecondRan = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_DISCONNECTED, RanName: test2, AssociatedE2TInstanceAddress: "10.0.2.15"}
 394         readerMock.On("GetNodeb", test2).Return(secondRan, rnibErr).Return(disconnectedSecondRan, rnibErr)
 395
 396         var updatedSecondRan = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_DISCONNECTED, RanName: test2, AssociatedE2TInstanceAddress: "10.0.2.15"}
 397         writerMock.On("UpdateNodebInfo", updatedSecondRan).Return(rnibErr)
 398
 399         var updatedDisconnectedSecondRan = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_DISCONNECTED, RanName: test2, AssociatedE2TInstanceAddress: ""}
 400         writerMock.On("UpdateNodebInfo", updatedDisconnectedSecondRan).Return(rnibErr)
 401
 402         e2tInstance := entities.NewE2TInstance(e2tInstanceAddress, podName)
 403         e2tInstance.AssociatedRanList = append(e2tInstance.AssociatedRanList, RanName)
 404         e2tInstance.AssociatedRanList = append(e2tInstance.AssociatedRanList, test2)
 405         readerMock.On("GetE2TInstance", e2tInstanceAddress).Return(e2tInstance, nil).Return(e2tInstance, nil)
 406         writerMock.On("SaveE2TInstance", mock.Anything).Return(nil)
 407
 408         respBody := ioutil.NopCloser(bytes.NewBufferString(""))
 409         url := config.RoutingManager.BaseUrl + clients.DissociateRanE2TInstanceApiSuffix
 410         httpClientMock.On("Post", url, mock.Anything, mock.Anything).Return(&http.Response{StatusCode: http.StatusCreated, Body: respBody}, nil)
 411
 412         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte(e2tInitPayload)}
 413
 414         handler.Handle(notificationRequest)
 415
 416         writerMock.AssertNumberOfCalls(t, "UpdateNodebInfo", 2)
 417         writerMock.AssertNumberOfCalls(t, "SaveE2TInstance", 1)
 418         httpClientMock.AssertNumberOfCalls(t, "Post", 1)
 419 }
 420
 421 func TestE2TermInitHandlerSuccessTwoRansFirstRnibInternalErrorFailure(t *testing.T) {
 422         _, _, handler, readerMock, writerMock, httpClientMock := initRanLostConnectionTestWithRealE2tInstanceManager(t)
 423
 424         test2 := "test2"
 425
 426         //First RAN
 427         var firstRan = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_CONNECTED, RanName: RanName, AssociatedE2TInstanceAddress: "10.0.2.15"}
 428         readerMock.On("GetNodeb", RanName).Return(firstRan, common.NewInternalError(fmt.Errorf("internal error")))
 429
 430         e2tInstance := entities.NewE2TInstance(e2tInstanceAddress, podName)
 431         e2tInstance.AssociatedRanList = append(e2tInstance.AssociatedRanList, RanName)
 432         e2tInstance.AssociatedRanList = append(e2tInstance.AssociatedRanList, test2)
 433         readerMock.On("GetE2TInstance", e2tInstanceAddress).Return(e2tInstance, nil).Return(e2tInstance, nil)
 434
 435         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte(e2tInitPayload)}
 436
 437         handler.Handle(notificationRequest)
 438
 439         writerMock.AssertNumberOfCalls(t, "UpdateNodebInfo", 0)
 440         writerMock.AssertNumberOfCalls(t, "SaveE2TInstance", 0)
 441         httpClientMock.AssertNumberOfCalls(t, "Post", 0)
 442 }
 443
 444 func TestE2TermInitHandlerSuccessZeroRans(t *testing.T) {
 445         _, handler, _, writerMock, e2tInstancesManagerMock, _ := initRanLostConnectionTest(t)
 446
 447         e2tInstance := entities.NewE2TInstance(e2tInstanceAddress, podName)
 448         e2tInstancesManagerMock.On("GetE2TInstance", e2tInstanceAddress).Return(e2tInstance, nil)
 449         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte(e2tInitPayload)}
 450
 451         handler.Handle(notificationRequest)
 452
 453         writerMock.AssertNotCalled(t, "UpdateNodebInfo")
 454 }
 455
 456 func TestE2TermInitHandlerFailureGetNodebInternalError(t *testing.T) {
 457         _, handler, readerMock, writerMock, e2tInstancesManagerMock, _ := initRanLostConnectionTest(t)
 458
 459         var nodebInfo *entities.NodebInfo
 460         readerMock.On("GetNodeb", "test1").Return(nodebInfo, common.NewInternalError(fmt.Errorf("internal error")))
 461
 462         e2tInstance := entities.NewE2TInstance(e2tInstanceAddress, podName)
 463         e2tInstance.AssociatedRanList = append(e2tInstance.AssociatedRanList, "test1")
 464         e2tInstancesManagerMock.On("GetE2TInstance", e2tInstanceAddress).Return(e2tInstance, nil)
 465         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte(e2tInitPayload)}
 466         handler.Handle(notificationRequest)
 467
 468         writerMock.AssertNotCalled(t, "UpdateNodebInfo")
 469 }
 470
 471 // TODO: extract to test_utils
 472 func initRmrSender(rmrMessengerMock *mocks.RmrMessengerMock, log *logger.Logger) *rmrsender.RmrSender {
 473         rmrMessenger := rmrCgo.RmrMessenger(rmrMessengerMock)
 474         rmrMessengerMock.On("Init", tests.GetPort(), tests.MaxMsgSize, tests.Flags, log).Return(&rmrMessenger)
 475         return rmrsender.NewRmrSender(log, rmrMessenger)
 476 }
 477
 478 // TODO: extract to test_utils
 479 func initLog(t *testing.T) *logger.Logger {
 480         log, err := logger.InitLogger(logger.InfoLevel)
 481         if err != nil {
 482                 t.Errorf("#delete_all_request_handler_test.TestHandleSuccessFlow - failed to initialize logger, error: %s", err)
 483         }
 484         return log
 485 }