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 := managers.NewRanListManager(logger, rnibDataService)
  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, ranConnectStatusChangeManager)
  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, rnibDataService)
  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, ranConnectStatusChangeManager)
  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("UpdateNodebInfoOnConnectionStatusInversion", argNodeb, "test_DISCONNECTED").Return(nil)
 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", 1)
 214         writerMock.AssertNumberOfCalls(t, "UpdateNodebInfoOnConnectionStatusInversion", 1)
 215         writerMock.AssertNumberOfCalls(t, "SaveE2TInstance", 1)
 216         httpClientMock.AssertNumberOfCalls(t, "Post", 1)
 217 }
 218
 219 func TestE2TermInitHandlerSuccessOneRan_RoutingManagerError(t *testing.T) {
 220         _, config, handler, readerMock, writerMock, httpClientMock := initRanLostConnectionTestWithRealE2tInstanceManager(t)
 221
 222         var rnibErr error
 223         var initialNodeb = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_CONNECTED, RanName: RanName, AssociatedE2TInstanceAddress: "10.0.2.15"}
 224         readerMock.On("GetNodeb", RanName).Return(initialNodeb, rnibErr)
 225
 226         var argNodeb = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_DISCONNECTED, RanName: RanName, AssociatedE2TInstanceAddress: "10.0.2.15"}
 227         writerMock.On("UpdateNodebInfoOnConnectionStatusInversion", argNodeb, "test_DISCONNECTED").Return(nil)
 228
 229         var disconnectedNodeb = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_DISCONNECTED, RanName: RanName, AssociatedE2TInstanceAddress: "10.0.2.15"}
 230         readerMock.On("GetNodeb", RanName).Return(disconnectedNodeb, rnibErr)
 231
 232         var updatedNodeb = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_DISCONNECTED, RanName: RanName, AssociatedE2TInstanceAddress: ""}
 233         writerMock.On("UpdateNodebInfo", updatedNodeb).Return(rnibErr)
 234
 235         e2tInstance := entities.NewE2TInstance(e2tInstanceAddress, podName)
 236         e2tInstance.AssociatedRanList = append(e2tInstance.AssociatedRanList, RanName)
 237         readerMock.On("GetE2TInstance", e2tInstanceAddress).Return(e2tInstance, nil).Return(e2tInstance, nil)
 238         writerMock.On("SaveE2TInstance", mock.Anything).Return(nil)
 239
 240         url := config.RoutingManager.BaseUrl + clients.DissociateRanE2TInstanceApiSuffix
 241         httpClientMock.On("Post", url, mock.Anything, mock.Anything).Return(&http.Response{}, errors.New("error"))
 242
 243         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte(e2tInitPayload)}
 244
 245         handler.Handle(notificationRequest)
 246
 247         writerMock.AssertNumberOfCalls(t, "UpdateNodebInfo", 1)
 248         writerMock.AssertNumberOfCalls(t, "UpdateNodebInfoOnConnectionStatusInversion", 1)
 249         writerMock.AssertNumberOfCalls(t, "SaveE2TInstance", 1)
 250         httpClientMock.AssertNumberOfCalls(t, "Post", 1)
 251 }
 252
 253 func TestE2TermInitHandlerSuccessOneRanShuttingdown(t *testing.T) {
 254         _, _, handler, readerMock, writerMock, _ := initRanLostConnectionTestWithRealE2tInstanceManager(t)
 255         var rnibErr error
 256
 257         var initialNodeb = &entities.NodebInfo{RanName: RanName, ConnectionStatus: entities.ConnectionStatus_SHUTTING_DOWN, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST}
 258         readerMock.On("GetNodeb", RanName).Return(initialNodeb, rnibErr)
 259
 260         var argNodeb = &entities.NodebInfo{RanName: RanName, ConnectionStatus: entities.ConnectionStatus_SHUT_DOWN, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST}
 261         writerMock.On("UpdateNodebInfo", argNodeb).Return(rnibErr)
 262
 263         e2tInstance := entities.NewE2TInstance(e2tInstanceAddress, podName)
 264         e2tInstance.AssociatedRanList = append(e2tInstance.AssociatedRanList, RanName)
 265         readerMock.On("GetE2TInstance", e2tInstanceAddress).Return(e2tInstance, nil)
 266         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte(e2tInitPayload)}
 267
 268         handler.Handle(notificationRequest)
 269
 270         writerMock.AssertNumberOfCalls(t, "UpdateNodebInfo", 1)
 271 }
 272
 273 func TestE2TermInitHandlerSuccessOneRan_ToBeDeleted(t *testing.T) {
 274         _, _, handler, readerMock, writerMock, httpClientMock := initRanLostConnectionTestWithRealE2tInstanceManager(t)
 275         var rnibErr error
 276
 277         var initialNodeb = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_CONNECTED, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST}
 278         readerMock.On("GetNodeb", RanName).Return(initialNodeb, rnibErr)
 279
 280         var argNodeb = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_CONNECTING, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST}
 281         writerMock.On("UpdateNodebInfo", argNodeb).Return(rnibErr)
 282
 283         e2tInstance := entities.NewE2TInstance(e2tInstanceAddress, podName)
 284         e2tInstance.State = entities.ToBeDeleted
 285         e2tInstance.AssociatedRanList = append(e2tInstance.AssociatedRanList, RanName)
 286
 287         readerMock.On("GetE2TInstance", e2tInstanceAddress).Return(e2tInstance, nil)
 288         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte(e2tInitPayload)}
 289
 290         handler.Handle(notificationRequest)
 291
 292         httpClientMock.AssertNotCalled(t, "Post", mock.Anything, mock.Anything, mock.Anything)
 293         writerMock.AssertNotCalled(t, "UpdateNodebInfo")
 294 }
 295
 296 func TestE2TermInitHandlerSuccessTwoRans(t *testing.T) {
 297
 298         _, config, handler, readerMock, writerMock, httpClientMock := initRanLostConnectionTestWithRealE2tInstanceManager(t)
 299
 300         var rnibErr error
 301         test2 := "test2"
 302
 303         //First RAN
 304         var firstRan = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_CONNECTED, RanName: RanName, AssociatedE2TInstanceAddress: "10.0.2.15"}
 305         var disconnectedFirstRan = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_DISCONNECTED, RanName: RanName, AssociatedE2TInstanceAddress: "10.0.2.15"}
 306         readerMock.On("GetNodeb", RanName).Return(firstRan, rnibErr).Return(disconnectedFirstRan, rnibErr)
 307
 308         var updatedFirstRan = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_DISCONNECTED, RanName: RanName, AssociatedE2TInstanceAddress: "10.0.2.15"}
 309         writerMock.On("UpdateNodebInfo", updatedFirstRan).Return(rnibErr)
 310
 311         var updatedDisconnectedFirstRan = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_DISCONNECTED, RanName: RanName, AssociatedE2TInstanceAddress: ""}
 312         writerMock.On("UpdateNodebInfo", updatedDisconnectedFirstRan).Return(rnibErr)
 313
 314         //Second RAN
 315         var secondRan = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_CONNECTED, RanName: test2, AssociatedE2TInstanceAddress: "10.0.2.15"}
 316         var disconnectedSecondRan = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_DISCONNECTED, RanName: test2, AssociatedE2TInstanceAddress: "10.0.2.15"}
 317         readerMock.On("GetNodeb", test2).Return(secondRan, rnibErr).Return(disconnectedSecondRan, rnibErr)
 318
 319         var updatedSecondRan = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_DISCONNECTED, RanName: test2, AssociatedE2TInstanceAddress: "10.0.2.15"}
 320         writerMock.On("UpdateNodebInfo", updatedSecondRan).Return(rnibErr)
 321
 322         var updatedDisconnectedSecondRan = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_DISCONNECTED, RanName: test2, AssociatedE2TInstanceAddress: ""}
 323         writerMock.On("UpdateNodebInfo", updatedDisconnectedSecondRan).Return(rnibErr)
 324
 325         e2tInstance := entities.NewE2TInstance(e2tInstanceAddress, podName)
 326         e2tInstance.AssociatedRanList = append(e2tInstance.AssociatedRanList, RanName)
 327         e2tInstance.AssociatedRanList = append(e2tInstance.AssociatedRanList, test2)
 328         readerMock.On("GetE2TInstance", e2tInstanceAddress).Return(e2tInstance, nil).Return(e2tInstance, nil)
 329         writerMock.On("SaveE2TInstance", mock.Anything).Return(nil)
 330
 331         respBody := ioutil.NopCloser(bytes.NewBufferString(""))
 332         url := config.RoutingManager.BaseUrl + clients.DissociateRanE2TInstanceApiSuffix
 333         httpClientMock.On("Post", url, mock.Anything, mock.Anything).Return(&http.Response{StatusCode: http.StatusCreated, Body: respBody}, nil)
 334
 335         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte(e2tInitPayload)}
 336
 337         handler.Handle(notificationRequest)
 338
 339         writerMock.AssertNumberOfCalls(t, "UpdateNodebInfo", 4)
 340         writerMock.AssertNumberOfCalls(t, "SaveE2TInstance", 2)
 341         httpClientMock.AssertNumberOfCalls(t, "Post", 2)
 342 }
 343
 344 func TestE2TermInitHandlerSuccessTwoRansSecondRanShutdown(t *testing.T) {
 345         _, config, handler, readerMock, writerMock, httpClientMock := initRanLostConnectionTestWithRealE2tInstanceManager(t)
 346
 347         var rnibErr error
 348         test2 := "test2"
 349
 350         //First RAN
 351         var firstRan = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_CONNECTED, RanName: RanName, AssociatedE2TInstanceAddress: "10.0.2.15"}
 352         var disconnectedFirstRan = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_DISCONNECTED, RanName: RanName, AssociatedE2TInstanceAddress: "10.0.2.15"}
 353         readerMock.On("GetNodeb", RanName).Return(firstRan, rnibErr).Return(disconnectedFirstRan, rnibErr)
 354
 355         var updatedFirstRan = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_DISCONNECTED, RanName: RanName, AssociatedE2TInstanceAddress: "10.0.2.15"}
 356         writerMock.On("UpdateNodebInfo", updatedFirstRan).Return(rnibErr)
 357
 358         var updatedDisconnectedFirstRan = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_DISCONNECTED, RanName: RanName, AssociatedE2TInstanceAddress: ""}
 359         writerMock.On("UpdateNodebInfo", updatedDisconnectedFirstRan).Return(rnibErr)
 360
 361         //Second RAN
 362         var secondRan = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_SHUT_DOWN, RanName: test2, AssociatedE2TInstanceAddress: "10.0.2.15"}
 363         readerMock.On("GetNodeb", test2).Return(secondRan, rnibErr)
 364
 365         e2tInstance := entities.NewE2TInstance(e2tInstanceAddress, podName)
 366         e2tInstance.AssociatedRanList = append(e2tInstance.AssociatedRanList, RanName)
 367         readerMock.On("GetE2TInstance", e2tInstanceAddress).Return(e2tInstance, nil).Return(e2tInstance, nil)
 368         writerMock.On("SaveE2TInstance", mock.Anything).Return(nil)
 369
 370         respBody := ioutil.NopCloser(bytes.NewBufferString(""))
 371         url := config.RoutingManager.BaseUrl + clients.DissociateRanE2TInstanceApiSuffix
 372         httpClientMock.On("Post", url, mock.Anything, mock.Anything).Return(&http.Response{StatusCode: http.StatusCreated, Body: respBody}, nil)
 373
 374         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte(e2tInitPayload)}
 375
 376         handler.Handle(notificationRequest)
 377
 378         writerMock.AssertNumberOfCalls(t, "UpdateNodebInfo", 2)
 379         writerMock.AssertNumberOfCalls(t, "SaveE2TInstance", 1)
 380         httpClientMock.AssertNumberOfCalls(t, "Post", 1)
 381 }
 382
 383 func TestE2TermInitHandlerSuccessTwoRansFirstNotFoundFailure(t *testing.T) {
 384         _, config, handler, readerMock, writerMock, httpClientMock := initRanLostConnectionTestWithRealE2tInstanceManager(t)
 385
 386         var rnibErr error
 387         test2 := "test2"
 388
 389         //First RAN
 390         var firstRan = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_CONNECTED, RanName: RanName, AssociatedE2TInstanceAddress: "10.0.2.15"}
 391         readerMock.On("GetNodeb", RanName).Return(firstRan, common.NewResourceNotFoundError("not found"))
 392
 393         //Second RAN
 394         var secondRan = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_CONNECTED, RanName: test2, AssociatedE2TInstanceAddress: "10.0.2.15"}
 395         var disconnectedSecondRan = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_DISCONNECTED, RanName: test2, AssociatedE2TInstanceAddress: "10.0.2.15"}
 396         readerMock.On("GetNodeb", test2).Return(secondRan, rnibErr).Return(disconnectedSecondRan, rnibErr)
 397
 398         var updatedSecondRan = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_DISCONNECTED, RanName: test2, AssociatedE2TInstanceAddress: "10.0.2.15"}
 399         writerMock.On("UpdateNodebInfo", updatedSecondRan).Return(rnibErr)
 400
 401         var updatedDisconnectedSecondRan = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_DISCONNECTED, RanName: test2, AssociatedE2TInstanceAddress: ""}
 402         writerMock.On("UpdateNodebInfo", updatedDisconnectedSecondRan).Return(rnibErr)
 403
 404         e2tInstance := entities.NewE2TInstance(e2tInstanceAddress, podName)
 405         e2tInstance.AssociatedRanList = append(e2tInstance.AssociatedRanList, RanName)
 406         e2tInstance.AssociatedRanList = append(e2tInstance.AssociatedRanList, test2)
 407         readerMock.On("GetE2TInstance", e2tInstanceAddress).Return(e2tInstance, nil).Return(e2tInstance, nil)
 408         writerMock.On("SaveE2TInstance", mock.Anything).Return(nil)
 409
 410         respBody := ioutil.NopCloser(bytes.NewBufferString(""))
 411         url := config.RoutingManager.BaseUrl + clients.DissociateRanE2TInstanceApiSuffix
 412         httpClientMock.On("Post", url, mock.Anything, mock.Anything).Return(&http.Response{StatusCode: http.StatusCreated, Body: respBody}, nil)
 413
 414         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte(e2tInitPayload)}
 415
 416         handler.Handle(notificationRequest)
 417
 418         writerMock.AssertNumberOfCalls(t, "UpdateNodebInfo", 2)
 419         writerMock.AssertNumberOfCalls(t, "SaveE2TInstance", 1)
 420         httpClientMock.AssertNumberOfCalls(t, "Post", 1)
 421 }
 422
 423 func TestE2TermInitHandlerSuccessTwoRansFirstRnibInternalErrorFailure(t *testing.T) {
 424         _, _, handler, readerMock, writerMock, httpClientMock := initRanLostConnectionTestWithRealE2tInstanceManager(t)
 425
 426         test2 := "test2"
 427
 428         //First RAN
 429         var firstRan = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_CONNECTED, RanName: RanName, AssociatedE2TInstanceAddress: "10.0.2.15"}
 430         readerMock.On("GetNodeb", RanName).Return(firstRan, common.NewInternalError(fmt.Errorf("internal error")))
 431
 432         e2tInstance := entities.NewE2TInstance(e2tInstanceAddress, podName)
 433         e2tInstance.AssociatedRanList = append(e2tInstance.AssociatedRanList, RanName)
 434         e2tInstance.AssociatedRanList = append(e2tInstance.AssociatedRanList, test2)
 435         readerMock.On("GetE2TInstance", e2tInstanceAddress).Return(e2tInstance, nil).Return(e2tInstance, nil)
 436
 437         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte(e2tInitPayload)}
 438
 439         handler.Handle(notificationRequest)
 440
 441         writerMock.AssertNumberOfCalls(t, "UpdateNodebInfo", 0)
 442         writerMock.AssertNumberOfCalls(t, "SaveE2TInstance", 0)
 443         httpClientMock.AssertNumberOfCalls(t, "Post", 0)
 444 }
 445
 446 func TestE2TermInitHandlerSuccessZeroRans(t *testing.T) {
 447         _, handler, _, writerMock, e2tInstancesManagerMock, _ := initRanLostConnectionTest(t)
 448
 449         e2tInstance := entities.NewE2TInstance(e2tInstanceAddress, podName)
 450         e2tInstancesManagerMock.On("GetE2TInstance", e2tInstanceAddress).Return(e2tInstance, nil)
 451         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte(e2tInitPayload)}
 452
 453         handler.Handle(notificationRequest)
 454
 455         writerMock.AssertNotCalled(t, "UpdateNodebInfo")
 456 }
 457
 458 func TestE2TermInitHandlerFailureGetNodebInternalError(t *testing.T) {
 459         _, handler, readerMock, writerMock, e2tInstancesManagerMock, _ := initRanLostConnectionTest(t)
 460
 461         var nodebInfo *entities.NodebInfo
 462         readerMock.On("GetNodeb", "test1").Return(nodebInfo, common.NewInternalError(fmt.Errorf("internal error")))
 463
 464         e2tInstance := entities.NewE2TInstance(e2tInstanceAddress, podName)
 465         e2tInstance.AssociatedRanList = append(e2tInstance.AssociatedRanList, "test1")
 466         e2tInstancesManagerMock.On("GetE2TInstance", e2tInstanceAddress).Return(e2tInstance, nil)
 467         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte(e2tInitPayload)}
 468         handler.Handle(notificationRequest)
 469
 470         writerMock.AssertNotCalled(t, "UpdateNodebInfo")
 471 }
 472
 473 // TODO: extract to test_utils
 474 func initRmrSender(rmrMessengerMock *mocks.RmrMessengerMock, log *logger.Logger) *rmrsender.RmrSender {
 475         rmrMessenger := rmrCgo.RmrMessenger(rmrMessengerMock)
 476         rmrMessengerMock.On("Init", tests.GetPort(), tests.MaxMsgSize, tests.Flags, log).Return(&rmrMessenger)
 477         return rmrsender.NewRmrSender(log, rmrMessenger)
 478 }
 479
 480 // TODO: extract to test_utils
 481 func initLog(t *testing.T) *logger.Logger {
 482         log, err := logger.InitLogger(logger.InfoLevel)
 483         if err != nil {
 484                 t.Errorf("#delete_all_request_handler_test.TestHandleSuccessFlow - failed to initialize logger, error: %s", err)
 485         }
 486         return log
 487 }