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 e2tInstanceAddress = "10.0.2.15"
  46 const e2tInitPayload = "{\"address\":\"10.0.2.15\", \"fqdn\":\"\"}"
  47
  48 func initRanLostConnectionTest(t *testing.T) (*logger.Logger, E2TermInitNotificationHandler, *mocks.RnibReaderMock, *mocks.RnibWriterMock, *mocks.E2TInstancesManagerMock, *mocks.RoutingManagerClientMock) {
  49
  50         logger := initLog(t)
  51         config := &configuration.Configuration{RnibRetryIntervalMs: 10, MaxRnibConnectionAttempts: 3}
  52
  53         readerMock := &mocks.RnibReaderMock{}
  54
  55         writerMock := &mocks.RnibWriterMock{}
  56
  57         routingManagerClientMock := &mocks.RoutingManagerClientMock{}
  58
  59         rnibDataService := services.NewRnibDataService(logger, config, readerMock, writerMock)
  60
  61         e2tInstancesManagerMock := &mocks.E2TInstancesManagerMock{}
  62         e2tAssociationManager := managers.NewE2TAssociationManager(logger, rnibDataService, e2tInstancesManagerMock, routingManagerClientMock)
  63
  64         ranDisconnectionManager := managers.NewRanDisconnectionManager(logger, configuration.ParseConfiguration(), rnibDataService, e2tAssociationManager)
  65         handler := NewE2TermInitNotificationHandler(logger, ranDisconnectionManager, e2tInstancesManagerMock, routingManagerClientMock)
  66
  67         return logger, handler, readerMock, writerMock, e2tInstancesManagerMock, routingManagerClientMock
  68 }
  69
  70 func initRanLostConnectionTestWithRealE2tInstanceManager(t *testing.T) (*logger.Logger, *configuration.Configuration, E2TermInitNotificationHandler, *mocks.RnibReaderMock, *mocks.RnibWriterMock, *mocks.HttpClientMock) {
  71
  72         logger := initLog(t)
  73         config := configuration.ParseConfiguration()
  74
  75         readerMock := &mocks.RnibReaderMock{}
  76
  77         writerMock := &mocks.RnibWriterMock{}
  78         httpClientMock := &mocks.HttpClientMock{}
  79
  80         routingManagerClient := clients.NewRoutingManagerClient(logger, config, httpClientMock)
  81         rnibDataService := services.NewRnibDataService(logger, config, readerMock, writerMock)
  82
  83         e2tInstancesManager := managers.NewE2TInstancesManager(rnibDataService, logger)
  84         e2tAssociationManager := managers.NewE2TAssociationManager(logger, rnibDataService, e2tInstancesManager, routingManagerClient)
  85         ranDisconnectionManager := managers.NewRanDisconnectionManager(logger, configuration.ParseConfiguration(), rnibDataService, e2tAssociationManager)
  86         handler := NewE2TermInitNotificationHandler(logger, ranDisconnectionManager, e2tInstancesManager, routingManagerClient)
  87         return logger, config, handler, readerMock, writerMock, httpClientMock
  88 }
  89
  90 func TestE2TermInitUnmarshalPayloadFailure(t *testing.T) {
  91         _, handler, _, _, e2tInstancesManagerMock, _ := initRanLostConnectionTest(t)
  92         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte("asd")}
  93         handler.Handle(notificationRequest)
  94         e2tInstancesManagerMock.AssertNotCalled(t, "GetE2TInstance")
  95         e2tInstancesManagerMock.AssertNotCalled(t, "AddE2TInstance")
  96 }
  97
  98 func TestE2TermInitEmptyE2TAddress(t *testing.T) {
  99         _, handler, _, _, e2tInstancesManagerMock, _  := initRanLostConnectionTest(t)
 100         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte("{\"address\":\"\"}")}
 101         handler.Handle(notificationRequest)
 102         e2tInstancesManagerMock.AssertNotCalled(t, "GetE2TInstance")
 103         e2tInstancesManagerMock.AssertNotCalled(t, "AddE2TInstance")
 104 }
 105
 106 func TestE2TermInitGetE2TInstanceFailure(t *testing.T) {
 107         _, handler, _, _, e2tInstancesManagerMock, _  := initRanLostConnectionTest(t)
 108         var e2tInstance *entities.E2TInstance
 109         e2tInstancesManagerMock.On("GetE2TInstance", e2tInstanceAddress).Return(e2tInstance, common.NewInternalError(fmt.Errorf("internal error")))
 110         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte(e2tInitPayload)}
 111         handler.Handle(notificationRequest)
 112         e2tInstancesManagerMock.AssertNotCalled(t, "AddE2TInstance")
 113 }
 114
 115 func TestE2TermInitGetE2TInstanceDbFailure(t *testing.T) {
 116         _, _, handler, readerMock, writerMock, _ := initRanLostConnectionTestWithRealE2tInstanceManager(t)
 117         var e2tInstance *entities.E2TInstance
 118         readerMock.On("GetE2TInstance", e2tInstanceAddress).Return(e2tInstance, common.NewInternalError(fmt.Errorf("internal error")))
 119         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte(e2tInitPayload)}
 120         handler.Handle(notificationRequest)
 121         writerMock.AssertNotCalled(t, "UpdateNodebInfo")
 122 }
 123
 124 func TestE2TermInitNewE2TInstance(t *testing.T) {
 125         _, config, handler, readerMock, writerMock, httpClientMock := initRanLostConnectionTestWithRealE2tInstanceManager(t)
 126         var e2tInstance *entities.E2TInstance
 127
 128         readerMock.On("GetE2TInstance", e2tInstanceAddress).Return(e2tInstance, common.NewResourceNotFoundError("not found"))
 129         writerMock.On("SaveE2TInstance", mock.Anything).Return(nil)
 130
 131         respBody := ioutil.NopCloser(bytes.NewBufferString(""))
 132         url := config.RoutingManager.BaseUrl + clients.AddE2TInstanceApiSuffix
 133         httpClientMock.On("Post", url, mock.Anything, mock.Anything).Return(&http.Response{StatusCode: http.StatusCreated, Body: respBody}, nil)
 134
 135         e2tAddresses := []string{}
 136         readerMock.On("GetE2TAddresses").Return(e2tAddresses, common.NewResourceNotFoundError(""))
 137
 138         e2tAddresses = append(e2tAddresses, e2tInstanceAddress)
 139         writerMock.On("SaveE2TAddresses", e2tAddresses).Return(nil)
 140
 141         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte(e2tInitPayload)}
 142         handler.Handle(notificationRequest)
 143
 144         httpClientMock.AssertCalled(t, "Post", url, mock.Anything, mock.Anything)
 145         writerMock.AssertCalled(t, "SaveE2TInstance", mock.Anything)
 146         writerMock.AssertCalled(t, "SaveE2TAddresses", e2tAddresses)
 147 }
 148
 149 func TestE2TermInitNewE2TInstance__RoutingManagerError(t *testing.T) {
 150         _, config, handler, readerMock, writerMock, httpClientMock := initRanLostConnectionTestWithRealE2tInstanceManager(t)
 151
 152         var e2tInstance *entities.E2TInstance
 153
 154         readerMock.On("GetE2TInstance", e2tInstanceAddress).Return(e2tInstance, common.NewResourceNotFoundError("not found"))
 155
 156         url := config.RoutingManager.BaseUrl + clients.AddE2TInstanceApiSuffix
 157         httpClientMock.On("Post", url, mock.Anything, mock.Anything).Return(&http.Response{}, errors.New("error"))
 158
 159         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte(e2tInitPayload)}
 160         handler.Handle(notificationRequest)
 161
 162         writerMock.AssertNumberOfCalls(t, "SaveE2TInstance", 0)
 163 }
 164
 165 func TestE2TermInitExistingE2TInstanceNoAssociatedRans(t *testing.T) {
 166         _, handler, _, _, e2tInstancesManagerMock, _  := initRanLostConnectionTest(t)
 167         e2tInstance := entities.NewE2TInstance(e2tInstanceAddress)
 168         e2tInstancesManagerMock.On("GetE2TInstance", e2tInstanceAddress).Return(e2tInstance, nil)
 169         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte(e2tInitPayload)}
 170         handler.Handle(notificationRequest)
 171         e2tInstancesManagerMock.AssertCalled(t, "GetE2TInstance", e2tInstanceAddress)
 172 }
 173
 174 func TestE2TermInitHandlerSuccessOneRan(t *testing.T) {
 175         _, config, handler, readerMock, writerMock, httpClientMock := initRanLostConnectionTestWithRealE2tInstanceManager(t)
 176
 177         var rnibErr error
 178         var initialNodeb = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_CONNECTED, RanName: RanName, AssociatedE2TInstanceAddress: "10.0.2.15"}
 179         readerMock.On("GetNodeb", RanName).Return(initialNodeb, rnibErr)
 180
 181         var argNodeb = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_DISCONNECTED, RanName: RanName, AssociatedE2TInstanceAddress: "10.0.2.15"}
 182         writerMock.On("UpdateNodebInfo", argNodeb).Return(rnibErr)
 183
 184         var disconnectedNodeb = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_DISCONNECTED, RanName: RanName, AssociatedE2TInstanceAddress: "10.0.2.15"}
 185         readerMock.On("GetNodeb", RanName).Return(disconnectedNodeb, rnibErr)
 186
 187         var updatedNodeb = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_DISCONNECTED, RanName: RanName, AssociatedE2TInstanceAddress: ""}
 188         writerMock.On("UpdateNodebInfo", updatedNodeb).Return(rnibErr)
 189
 190         e2tInstance := entities.NewE2TInstance(e2tInstanceAddress)
 191         e2tInstance.AssociatedRanList = append(e2tInstance.AssociatedRanList, RanName)
 192         readerMock.On("GetE2TInstance", e2tInstanceAddress).Return(e2tInstance, nil).Return(e2tInstance, nil)
 193         writerMock.On("SaveE2TInstance", mock.Anything).Return(nil)
 194
 195         respBody := ioutil.NopCloser(bytes.NewBufferString(""))
 196         url := config.RoutingManager.BaseUrl + clients.DissociateRanE2TInstanceApiSuffix
 197         httpClientMock.On("Post", url, mock.Anything, mock.Anything).Return(&http.Response{StatusCode: http.StatusCreated, Body: respBody}, nil)
 198
 199         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte(e2tInitPayload)}
 200
 201         handler.Handle(notificationRequest)
 202
 203         writerMock.AssertNumberOfCalls(t, "UpdateNodebInfo", 2)
 204         writerMock.AssertNumberOfCalls(t, "SaveE2TInstance", 1)
 205         httpClientMock.AssertNumberOfCalls(t, "Post", 1)
 206 }
 207
 208 func TestE2TermInitHandlerSuccessOneRan_RoutingManagerError(t *testing.T) {
 209         _, config, handler, readerMock, writerMock, httpClientMock := initRanLostConnectionTestWithRealE2tInstanceManager(t)
 210
 211         var rnibErr error
 212         var initialNodeb = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_CONNECTED, RanName: RanName, AssociatedE2TInstanceAddress: "10.0.2.15"}
 213         readerMock.On("GetNodeb", RanName).Return(initialNodeb, rnibErr)
 214
 215         var argNodeb = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_DISCONNECTED, RanName: RanName, AssociatedE2TInstanceAddress: "10.0.2.15"}
 216         writerMock.On("UpdateNodebInfo", argNodeb).Return(rnibErr)
 217
 218         var disconnectedNodeb = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_DISCONNECTED, RanName: RanName, AssociatedE2TInstanceAddress: "10.0.2.15"}
 219         readerMock.On("GetNodeb", RanName).Return(disconnectedNodeb, rnibErr)
 220
 221         var updatedNodeb = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_DISCONNECTED, RanName: RanName, AssociatedE2TInstanceAddress: ""}
 222         writerMock.On("UpdateNodebInfo", updatedNodeb).Return(rnibErr)
 223
 224         e2tInstance := entities.NewE2TInstance(e2tInstanceAddress)
 225         e2tInstance.AssociatedRanList = append(e2tInstance.AssociatedRanList, RanName)
 226         readerMock.On("GetE2TInstance", e2tInstanceAddress).Return(e2tInstance, nil).Return(e2tInstance, nil)
 227         writerMock.On("SaveE2TInstance", mock.Anything).Return(nil)
 228
 229         url := config.RoutingManager.BaseUrl + clients.DissociateRanE2TInstanceApiSuffix
 230         httpClientMock.On("Post", url, mock.Anything, mock.Anything).Return(&http.Response{}, errors.New("error"))
 231
 232         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte(e2tInitPayload)}
 233
 234         handler.Handle(notificationRequest)
 235
 236         writerMock.AssertNumberOfCalls(t, "UpdateNodebInfo", 2)
 237         writerMock.AssertNumberOfCalls(t, "SaveE2TInstance", 1)
 238         httpClientMock.AssertNumberOfCalls(t, "Post", 1)
 239 }
 240
 241 func TestE2TermInitHandlerSuccessOneRanShuttingdown(t *testing.T) {
 242         _, _, handler, readerMock, writerMock,_ := initRanLostConnectionTestWithRealE2tInstanceManager(t)
 243         var rnibErr error
 244
 245         var initialNodeb = &entities.NodebInfo{RanName: RanName, ConnectionStatus: entities.ConnectionStatus_SHUTTING_DOWN, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST}
 246         readerMock.On("GetNodeb", RanName).Return(initialNodeb, rnibErr)
 247
 248         var argNodeb = &entities.NodebInfo{RanName: RanName, ConnectionStatus: entities.ConnectionStatus_SHUT_DOWN, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST, ConnectionAttempts: 0}
 249         writerMock.On("UpdateNodebInfo", argNodeb).Return(rnibErr)
 250
 251         e2tInstance := entities.NewE2TInstance(e2tInstanceAddress)
 252         e2tInstance.AssociatedRanList = append(e2tInstance.AssociatedRanList, RanName)
 253         readerMock.On("GetE2TInstance", e2tInstanceAddress).Return(e2tInstance, nil)
 254         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte(e2tInitPayload)}
 255
 256         handler.Handle(notificationRequest)
 257
 258         writerMock.AssertNumberOfCalls(t, "UpdateNodebInfo", 1)
 259 }
 260
 261 func TestE2TermInitHandlerSuccessOneRan_ToBeDeleted(t *testing.T) {
 262         _, _, handler, readerMock, writerMock, httpClientMock:= initRanLostConnectionTestWithRealE2tInstanceManager(t)
 263         var rnibErr error
 264
 265         var initialNodeb = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_CONNECTED, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST}
 266         readerMock.On("GetNodeb", RanName).Return(initialNodeb, rnibErr)
 267
 268         var argNodeb = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_CONNECTING, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST, ConnectionAttempts: 1}
 269         writerMock.On("UpdateNodebInfo", argNodeb).Return(rnibErr)
 270
 271         e2tInstance := entities.NewE2TInstance(e2tInstanceAddress)
 272         e2tInstance.State = entities.ToBeDeleted
 273         e2tInstance.AssociatedRanList = append(e2tInstance.AssociatedRanList, RanName)
 274
 275         readerMock.On("GetE2TInstance", e2tInstanceAddress).Return(e2tInstance, nil)
 276         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte(e2tInitPayload)}
 277
 278         handler.Handle(notificationRequest)
 279
 280         httpClientMock.AssertNotCalled(t, "Post", mock.Anything, mock.Anything, mock.Anything)
 281         writerMock.AssertNotCalled(t, "UpdateNodebInfo")
 282 }
 283
 284 func TestE2TermInitHandlerSuccessTwoRans(t *testing.T) {
 285
 286         _, config, handler, readerMock, writerMock, httpClientMock := initRanLostConnectionTestWithRealE2tInstanceManager(t)
 287
 288         var rnibErr error
 289         test2 := "test2"
 290
 291         //First RAN
 292         var firstRan = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_CONNECTED, RanName: RanName, AssociatedE2TInstanceAddress: "10.0.2.15"}
 293         var disconnectedFirstRan = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_DISCONNECTED, RanName: RanName, AssociatedE2TInstanceAddress: "10.0.2.15"}
 294         readerMock.On("GetNodeb", RanName).Return(firstRan, rnibErr).Return(disconnectedFirstRan, rnibErr)
 295
 296         var updatedFirstRan = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_DISCONNECTED, RanName: RanName, AssociatedE2TInstanceAddress: "10.0.2.15"}
 297         writerMock.On("UpdateNodebInfo", updatedFirstRan).Return(rnibErr)
 298
 299         var updatedDisconnectedFirstRan = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_DISCONNECTED, RanName: RanName, AssociatedE2TInstanceAddress: ""}
 300         writerMock.On("UpdateNodebInfo", updatedDisconnectedFirstRan).Return(rnibErr)
 301
 302
 303         //Second RAN
 304         var secondRan = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_CONNECTED, RanName: test2, AssociatedE2TInstanceAddress: "10.0.2.15"}
 305         var disconnectedSecondRan = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_DISCONNECTED, RanName: test2, AssociatedE2TInstanceAddress: "10.0.2.15"}
 306         readerMock.On("GetNodeb", test2).Return(secondRan, rnibErr).Return(disconnectedSecondRan, rnibErr)
 307
 308         var updatedSecondRan = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_DISCONNECTED, RanName: test2, AssociatedE2TInstanceAddress: "10.0.2.15"}
 309         writerMock.On("UpdateNodebInfo", updatedSecondRan).Return(rnibErr)
 310
 311         var updatedDisconnectedSecondRan = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_DISCONNECTED, RanName: test2, AssociatedE2TInstanceAddress: ""}
 312         writerMock.On("UpdateNodebInfo", updatedDisconnectedSecondRan).Return(rnibErr)
 313
 314         e2tInstance := entities.NewE2TInstance(e2tInstanceAddress)
 315         e2tInstance.AssociatedRanList = append(e2tInstance.AssociatedRanList, RanName)
 316         e2tInstance.AssociatedRanList = append(e2tInstance.AssociatedRanList, test2)
 317         readerMock.On("GetE2TInstance", e2tInstanceAddress).Return(e2tInstance, nil).Return(e2tInstance, nil)
 318         writerMock.On("SaveE2TInstance", mock.Anything).Return(nil)
 319
 320         respBody := ioutil.NopCloser(bytes.NewBufferString(""))
 321         url := config.RoutingManager.BaseUrl + clients.DissociateRanE2TInstanceApiSuffix
 322         httpClientMock.On("Post", url, mock.Anything, mock.Anything).Return(&http.Response{StatusCode: http.StatusCreated, Body: respBody}, nil)
 323
 324         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte(e2tInitPayload)}
 325
 326         handler.Handle(notificationRequest)
 327
 328         writerMock.AssertNumberOfCalls(t, "UpdateNodebInfo", 4)
 329         writerMock.AssertNumberOfCalls(t, "SaveE2TInstance", 2)
 330         httpClientMock.AssertNumberOfCalls(t, "Post", 2)
 331 }
 332
 333 func TestE2TermInitHandlerSuccessTwoRansSecondRanShutdown(t *testing.T) {
 334         _, config, handler, readerMock, writerMock, httpClientMock := initRanLostConnectionTestWithRealE2tInstanceManager(t)
 335
 336         var rnibErr error
 337         test2 := "test2"
 338
 339         //First RAN
 340         var firstRan = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_CONNECTED, RanName: RanName, AssociatedE2TInstanceAddress: "10.0.2.15"}
 341         var disconnectedFirstRan = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_DISCONNECTED, RanName: RanName, AssociatedE2TInstanceAddress: "10.0.2.15"}
 342         readerMock.On("GetNodeb", RanName).Return(firstRan, rnibErr).Return(disconnectedFirstRan, rnibErr)
 343
 344         var updatedFirstRan = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_DISCONNECTED, RanName: RanName, AssociatedE2TInstanceAddress: "10.0.2.15"}
 345         writerMock.On("UpdateNodebInfo", updatedFirstRan).Return(rnibErr)
 346
 347         var updatedDisconnectedFirstRan = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_DISCONNECTED, RanName: RanName, AssociatedE2TInstanceAddress: ""}
 348         writerMock.On("UpdateNodebInfo", updatedDisconnectedFirstRan).Return(rnibErr)
 349
 350         //Second RAN
 351         var secondRan = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_SHUT_DOWN, RanName: test2, AssociatedE2TInstanceAddress: "10.0.2.15"}
 352         readerMock.On("GetNodeb", test2).Return(secondRan, rnibErr)
 353
 354         e2tInstance := entities.NewE2TInstance(e2tInstanceAddress)
 355         e2tInstance.AssociatedRanList = append(e2tInstance.AssociatedRanList, RanName)
 356         readerMock.On("GetE2TInstance", e2tInstanceAddress).Return(e2tInstance, nil).Return(e2tInstance, nil)
 357         writerMock.On("SaveE2TInstance", mock.Anything).Return(nil)
 358
 359         respBody := ioutil.NopCloser(bytes.NewBufferString(""))
 360         url := config.RoutingManager.BaseUrl + clients.DissociateRanE2TInstanceApiSuffix
 361         httpClientMock.On("Post", url, mock.Anything, mock.Anything).Return(&http.Response{StatusCode: http.StatusCreated, Body: respBody}, nil)
 362
 363         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte(e2tInitPayload)}
 364
 365         handler.Handle(notificationRequest)
 366
 367         writerMock.AssertNumberOfCalls(t, "UpdateNodebInfo", 2)
 368         writerMock.AssertNumberOfCalls(t, "SaveE2TInstance", 1)
 369         httpClientMock.AssertNumberOfCalls(t, "Post", 1)
 370 }
 371
 372 func TestE2TermInitHandlerSuccessTwoRansFirstNotFoundFailure(t *testing.T) {
 373         _, config, handler, readerMock, writerMock, httpClientMock := initRanLostConnectionTestWithRealE2tInstanceManager(t)
 374
 375         var rnibErr error
 376         test2 := "test2"
 377
 378         //First RAN
 379         var firstRan = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_CONNECTED, RanName: RanName, AssociatedE2TInstanceAddress: "10.0.2.15"}
 380         readerMock.On("GetNodeb", RanName).Return(firstRan, common.NewResourceNotFoundError("not found"))
 381
 382         //Second RAN
 383         var secondRan = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_CONNECTED, RanName: test2, AssociatedE2TInstanceAddress: "10.0.2.15"}
 384         var disconnectedSecondRan = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_DISCONNECTED, RanName: test2, AssociatedE2TInstanceAddress: "10.0.2.15"}
 385         readerMock.On("GetNodeb", test2).Return(secondRan, rnibErr).Return(disconnectedSecondRan, rnibErr)
 386
 387         var updatedSecondRan = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_DISCONNECTED, RanName: test2, AssociatedE2TInstanceAddress: "10.0.2.15"}
 388         writerMock.On("UpdateNodebInfo", updatedSecondRan).Return(rnibErr)
 389
 390         var updatedDisconnectedSecondRan = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_DISCONNECTED, RanName: test2, AssociatedE2TInstanceAddress: ""}
 391         writerMock.On("UpdateNodebInfo", updatedDisconnectedSecondRan).Return(rnibErr)
 392
 393         e2tInstance := entities.NewE2TInstance(e2tInstanceAddress)
 394         e2tInstance.AssociatedRanList = append(e2tInstance.AssociatedRanList, RanName)
 395         e2tInstance.AssociatedRanList = append(e2tInstance.AssociatedRanList, test2)
 396         readerMock.On("GetE2TInstance", e2tInstanceAddress).Return(e2tInstance, nil).Return(e2tInstance, nil)
 397         writerMock.On("SaveE2TInstance", mock.Anything).Return(nil)
 398
 399         respBody := ioutil.NopCloser(bytes.NewBufferString(""))
 400         url := config.RoutingManager.BaseUrl + clients.DissociateRanE2TInstanceApiSuffix
 401         httpClientMock.On("Post", url, mock.Anything, mock.Anything).Return(&http.Response{StatusCode: http.StatusCreated, Body: respBody}, nil)
 402
 403         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte(e2tInitPayload)}
 404
 405         handler.Handle(notificationRequest)
 406
 407         writerMock.AssertNumberOfCalls(t, "UpdateNodebInfo", 2)
 408         writerMock.AssertNumberOfCalls(t, "SaveE2TInstance", 1)
 409         httpClientMock.AssertNumberOfCalls(t, "Post", 1)
 410 }
 411
 412 func TestE2TermInitHandlerSuccessTwoRansFirstRnibInternalErrorFailure(t *testing.T) {
 413         _, _, handler, readerMock, writerMock, httpClientMock := initRanLostConnectionTestWithRealE2tInstanceManager(t)
 414
 415         test2 := "test2"
 416
 417         //First RAN
 418         var firstRan = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_CONNECTED, RanName: RanName, AssociatedE2TInstanceAddress: "10.0.2.15"}
 419         readerMock.On("GetNodeb", RanName).Return(firstRan, common.NewInternalError(fmt.Errorf("internal error")))
 420
 421         e2tInstance := entities.NewE2TInstance(e2tInstanceAddress)
 422         e2tInstance.AssociatedRanList = append(e2tInstance.AssociatedRanList, RanName)
 423         e2tInstance.AssociatedRanList = append(e2tInstance.AssociatedRanList, test2)
 424         readerMock.On("GetE2TInstance", e2tInstanceAddress).Return(e2tInstance, nil).Return(e2tInstance, nil)
 425
 426         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte(e2tInitPayload)}
 427
 428         handler.Handle(notificationRequest)
 429
 430         writerMock.AssertNumberOfCalls(t, "UpdateNodebInfo", 0)
 431         writerMock.AssertNumberOfCalls(t, "SaveE2TInstance", 0)
 432         httpClientMock.AssertNumberOfCalls(t, "Post", 0)
 433 }
 434
 435 func TestE2TermInitHandlerSuccessZeroRans(t *testing.T) {
 436         _, handler, _, writerMock, e2tInstancesManagerMock, _  := initRanLostConnectionTest(t)
 437
 438         e2tInstance := entities.NewE2TInstance(e2tInstanceAddress)
 439         e2tInstancesManagerMock.On("GetE2TInstance", e2tInstanceAddress).Return(e2tInstance, nil)
 440         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte(e2tInitPayload)}
 441
 442         handler.Handle(notificationRequest)
 443
 444         writerMock.AssertNotCalled(t, "UpdateNodebInfo")
 445 }
 446
 447 func TestE2TermInitHandlerFailureGetNodebInternalError(t *testing.T) {
 448         _, handler, readerMock, writerMock, e2tInstancesManagerMock, _ := initRanLostConnectionTest(t)
 449
 450         var nodebInfo *entities.NodebInfo
 451         readerMock.On("GetNodeb", "test1").Return(nodebInfo, common.NewInternalError(fmt.Errorf("internal error")))
 452
 453         e2tInstance := entities.NewE2TInstance(e2tInstanceAddress)
 454         e2tInstance.AssociatedRanList = append(e2tInstance.AssociatedRanList, "test1")
 455         e2tInstancesManagerMock.On("GetE2TInstance", e2tInstanceAddress).Return(e2tInstance, nil)
 456         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte(e2tInitPayload)}
 457         handler.Handle(notificationRequest)
 458
 459         writerMock.AssertNotCalled(t, "UpdateNodebInfo")
 460 }
 461
 462 // TODO: extract to test_utils
 463 func initRmrSender(rmrMessengerMock *mocks.RmrMessengerMock, log *logger.Logger) *rmrsender.RmrSender {
 464         rmrMessenger := rmrCgo.RmrMessenger(rmrMessengerMock)
 465         rmrMessengerMock.On("Init", tests.GetPort(), tests.MaxMsgSize, tests.Flags, log).Return(&rmrMessenger)
 466         return rmrsender.NewRmrSender(log, rmrMessenger)
 467 }
 468
 469 // TODO: extract to test_utils
 470 func initLog(t *testing.T) *logger.Logger {
 471         log, err := logger.InitLogger(logger.InfoLevel)
 472         if err != nil {
 473                 t.Errorf("#delete_all_request_handler_test.TestHandleSuccessFlow - failed to initialize logger, error: %s", err)
 474         }
 475         return log
 476 }