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         e2tAssociationManager := managers.NewE2TAssociationManager(logger, rnibDataService, e2tInstancesManagerMock, routingManagerClientMock)
  66
  67         ranDisconnectionManager := managers.NewRanDisconnectionManager(logger, configuration.ParseConfiguration(), rnibDataService, e2tAssociationManager)
  68         handler := NewE2TermInitNotificationHandler(logger, ranDisconnectionManager, e2tInstancesManagerMock, routingManagerClientMock)
  69
  70         return logger, handler, readerMock, writerMock, e2tInstancesManagerMock, routingManagerClientMock
  71 }
  72
  73 func initRanLostConnectionTestWithRealE2tInstanceManager(t *testing.T) (*logger.Logger, *configuration.Configuration, E2TermInitNotificationHandler, *mocks.RnibReaderMock, *mocks.RnibWriterMock, *mocks.HttpClientMock) {
  74
  75         logger := initLog(t)
  76         config := configuration.ParseConfiguration()
  77
  78         readerMock := &mocks.RnibReaderMock{}
  79
  80         writerMock := &mocks.RnibWriterMock{}
  81         httpClientMock := &mocks.HttpClientMock{}
  82
  83         routingManagerClient := clients.NewRoutingManagerClient(logger, config, httpClientMock)
  84         rnibDataService := services.NewRnibDataService(logger, config, readerMock, writerMock)
  85
  86         e2tInstancesManager := managers.NewE2TInstancesManager(rnibDataService, logger)
  87         e2tAssociationManager := managers.NewE2TAssociationManager(logger, rnibDataService, e2tInstancesManager, routingManagerClient)
  88         ranDisconnectionManager := managers.NewRanDisconnectionManager(logger, configuration.ParseConfiguration(), rnibDataService, e2tAssociationManager)
  89         handler := NewE2TermInitNotificationHandler(logger, ranDisconnectionManager, e2tInstancesManager, routingManagerClient)
  90         return logger, config, handler, readerMock, writerMock, httpClientMock
  91 }
  92
  93 func TestE2TermInitUnmarshalPayloadFailure(t *testing.T) {
  94         _, handler, _, _, e2tInstancesManagerMock, _ := initRanLostConnectionTest(t)
  95         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte("asd")}
  96         handler.Handle(notificationRequest)
  97         e2tInstancesManagerMock.AssertNotCalled(t, "GetE2TInstance")
  98         e2tInstancesManagerMock.AssertNotCalled(t, "AddE2TInstance")
  99 }
 100
 101 func TestE2TermInitEmptyE2TAddress(t *testing.T) {
 102         _, handler, _, _, e2tInstancesManagerMock, _ := initRanLostConnectionTest(t)
 103         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte("{\"address\":\"\"}")}
 104         handler.Handle(notificationRequest)
 105         e2tInstancesManagerMock.AssertNotCalled(t, "GetE2TInstance")
 106         e2tInstancesManagerMock.AssertNotCalled(t, "AddE2TInstance")
 107 }
 108
 109 func TestE2TermInitGetE2TInstanceFailure(t *testing.T) {
 110         _, handler, _, _, e2tInstancesManagerMock, _ := initRanLostConnectionTest(t)
 111         var e2tInstance *entities.E2TInstance
 112         e2tInstancesManagerMock.On("GetE2TInstance", e2tInstanceAddress).Return(e2tInstance, common.NewInternalError(fmt.Errorf("internal error")))
 113         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte(e2tInitPayload)}
 114         handler.Handle(notificationRequest)
 115         e2tInstancesManagerMock.AssertNotCalled(t, "AddE2TInstance")
 116 }
 117
 118 func TestE2TermInitGetE2TInstanceDbFailure(t *testing.T) {
 119         _, _, handler, readerMock, writerMock, _ := initRanLostConnectionTestWithRealE2tInstanceManager(t)
 120         var e2tInstance *entities.E2TInstance
 121         readerMock.On("GetE2TInstance", e2tInstanceAddress).Return(e2tInstance, common.NewInternalError(fmt.Errorf("internal error")))
 122         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte(e2tInitPayload)}
 123         handler.Handle(notificationRequest)
 124         writerMock.AssertNotCalled(t, "UpdateNodebInfo")
 125 }
 126
 127 func TestE2TermInitNewE2TInstance(t *testing.T) {
 128         _, config, handler, readerMock, writerMock, httpClientMock := initRanLostConnectionTestWithRealE2tInstanceManager(t)
 129         var e2tInstance *entities.E2TInstance
 130
 131         readerMock.On("GetE2TInstance", e2tInstanceAddress).Return(e2tInstance, common.NewResourceNotFoundError("not found"))
 132         writerMock.On("SaveE2TInstance", mock.Anything).Return(nil)
 133
 134         respBody := ioutil.NopCloser(bytes.NewBufferString(""))
 135         url := config.RoutingManager.BaseUrl + clients.AddE2TInstanceApiSuffix
 136         httpClientMock.On("Post", url, mock.Anything, mock.Anything).Return(&http.Response{StatusCode: http.StatusCreated, Body: respBody}, nil)
 137
 138         e2tAddresses := []string{}
 139         readerMock.On("GetE2TAddresses").Return(e2tAddresses, common.NewResourceNotFoundError(""))
 140
 141         e2tAddresses = append(e2tAddresses, e2tInstanceAddress)
 142         writerMock.On("SaveE2TAddresses", e2tAddresses).Return(nil)
 143
 144         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte(e2tInitPayload)}
 145         handler.Handle(notificationRequest)
 146
 147         httpClientMock.AssertCalled(t, "Post", url, mock.Anything, mock.Anything)
 148         writerMock.AssertCalled(t, "SaveE2TInstance", mock.Anything)
 149         writerMock.AssertCalled(t, "SaveE2TAddresses", e2tAddresses)
 150 }
 151
 152 func TestE2TermInitNewE2TInstance__RoutingManagerError(t *testing.T) {
 153         _, config, handler, readerMock, writerMock, httpClientMock := initRanLostConnectionTestWithRealE2tInstanceManager(t)
 154
 155         var e2tInstance *entities.E2TInstance
 156
 157         readerMock.On("GetE2TInstance", e2tInstanceAddress).Return(e2tInstance, common.NewResourceNotFoundError("not found"))
 158
 159         url := config.RoutingManager.BaseUrl + clients.AddE2TInstanceApiSuffix
 160         httpClientMock.On("Post", url, mock.Anything, mock.Anything).Return(&http.Response{}, errors.New("error"))
 161
 162         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte(e2tInitPayload)}
 163         handler.Handle(notificationRequest)
 164
 165         writerMock.AssertNumberOfCalls(t, "SaveE2TInstance", 0)
 166 }
 167
 168 func TestE2TermInitExistingE2TInstanceNoAssociatedRans(t *testing.T) {
 169         _, handler, _, _, e2tInstancesManagerMock, _ := initRanLostConnectionTest(t)
 170         e2tInstance := entities.NewE2TInstance(e2tInstanceAddress, podName)
 171         e2tInstancesManagerMock.On("GetE2TInstance", e2tInstanceAddress).Return(e2tInstance, nil)
 172         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte(e2tInitPayload)}
 173         handler.Handle(notificationRequest)
 174         e2tInstancesManagerMock.AssertCalled(t, "GetE2TInstance", e2tInstanceAddress)
 175 }
 176
 177 func TestE2TermInitHandlerSuccessOneRan(t *testing.T) {
 178         _, config, handler, readerMock, writerMock, httpClientMock := initRanLostConnectionTestWithRealE2tInstanceManager(t)
 179
 180         var rnibErr error
 181         var initialNodeb = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_CONNECTED, RanName: RanName, AssociatedE2TInstanceAddress: "10.0.2.15"}
 182         readerMock.On("GetNodeb", RanName).Return(initialNodeb, rnibErr)
 183
 184         var argNodeb = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_DISCONNECTED, RanName: RanName, AssociatedE2TInstanceAddress: "10.0.2.15"}
 185         writerMock.On("UpdateNodebInfo", argNodeb).Return(rnibErr)
 186
 187         var disconnectedNodeb = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_DISCONNECTED, RanName: RanName, AssociatedE2TInstanceAddress: "10.0.2.15"}
 188         readerMock.On("GetNodeb", RanName).Return(disconnectedNodeb, rnibErr)
 189
 190         var updatedNodeb = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_DISCONNECTED, RanName: RanName, AssociatedE2TInstanceAddress: ""}
 191         writerMock.On("UpdateNodebInfo", updatedNodeb).Return(rnibErr)
 192
 193         e2tInstance := entities.NewE2TInstance(e2tInstanceAddress, podName)
 194         e2tInstance.AssociatedRanList = append(e2tInstance.AssociatedRanList, RanName)
 195         readerMock.On("GetE2TInstance", e2tInstanceAddress).Return(e2tInstance, nil).Return(e2tInstance, nil)
 196         writerMock.On("SaveE2TInstance", mock.Anything).Return(nil)
 197
 198         respBody := ioutil.NopCloser(bytes.NewBufferString(""))
 199         url := config.RoutingManager.BaseUrl + clients.DissociateRanE2TInstanceApiSuffix
 200         httpClientMock.On("Post", url, mock.Anything, mock.Anything).Return(&http.Response{StatusCode: http.StatusCreated, Body: respBody}, nil)
 201
 202         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte(e2tInitPayload)}
 203
 204         handler.Handle(notificationRequest)
 205
 206         writerMock.AssertNumberOfCalls(t, "UpdateNodebInfo", 2)
 207         writerMock.AssertNumberOfCalls(t, "SaveE2TInstance", 1)
 208         httpClientMock.AssertNumberOfCalls(t, "Post", 1)
 209 }
 210
 211 func TestE2TermInitHandlerSuccessOneRan_RoutingManagerError(t *testing.T) {
 212         _, config, handler, readerMock, writerMock, httpClientMock := initRanLostConnectionTestWithRealE2tInstanceManager(t)
 213
 214         var rnibErr error
 215         var initialNodeb = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_CONNECTED, RanName: RanName, AssociatedE2TInstanceAddress: "10.0.2.15"}
 216         readerMock.On("GetNodeb", RanName).Return(initialNodeb, rnibErr)
 217
 218         var argNodeb = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_DISCONNECTED, RanName: RanName, AssociatedE2TInstanceAddress: "10.0.2.15"}
 219         writerMock.On("UpdateNodebInfo", argNodeb).Return(rnibErr)
 220
 221         var disconnectedNodeb = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_DISCONNECTED, RanName: RanName, AssociatedE2TInstanceAddress: "10.0.2.15"}
 222         readerMock.On("GetNodeb", RanName).Return(disconnectedNodeb, rnibErr)
 223
 224         var updatedNodeb = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_DISCONNECTED, RanName: RanName, AssociatedE2TInstanceAddress: ""}
 225         writerMock.On("UpdateNodebInfo", updatedNodeb).Return(rnibErr)
 226
 227         e2tInstance := entities.NewE2TInstance(e2tInstanceAddress, podName)
 228         e2tInstance.AssociatedRanList = append(e2tInstance.AssociatedRanList, RanName)
 229         readerMock.On("GetE2TInstance", e2tInstanceAddress).Return(e2tInstance, nil).Return(e2tInstance, nil)
 230         writerMock.On("SaveE2TInstance", mock.Anything).Return(nil)
 231
 232         url := config.RoutingManager.BaseUrl + clients.DissociateRanE2TInstanceApiSuffix
 233         httpClientMock.On("Post", url, mock.Anything, mock.Anything).Return(&http.Response{}, errors.New("error"))
 234
 235         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte(e2tInitPayload)}
 236
 237         handler.Handle(notificationRequest)
 238
 239         writerMock.AssertNumberOfCalls(t, "UpdateNodebInfo", 2)
 240         writerMock.AssertNumberOfCalls(t, "SaveE2TInstance", 1)
 241         httpClientMock.AssertNumberOfCalls(t, "Post", 1)
 242 }
 243
 244 func TestE2TermInitHandlerSuccessOneRanShuttingdown(t *testing.T) {
 245         _, _, handler, readerMock, writerMock, _ := initRanLostConnectionTestWithRealE2tInstanceManager(t)
 246         var rnibErr error
 247
 248         var initialNodeb = &entities.NodebInfo{RanName: RanName, ConnectionStatus: entities.ConnectionStatus_SHUTTING_DOWN, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST}
 249         readerMock.On("GetNodeb", RanName).Return(initialNodeb, rnibErr)
 250
 251         var argNodeb = &entities.NodebInfo{RanName: RanName, ConnectionStatus: entities.ConnectionStatus_SHUT_DOWN, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST}
 252         writerMock.On("UpdateNodebInfo", argNodeb).Return(rnibErr)
 253
 254         e2tInstance := entities.NewE2TInstance(e2tInstanceAddress, podName)
 255         e2tInstance.AssociatedRanList = append(e2tInstance.AssociatedRanList, RanName)
 256         readerMock.On("GetE2TInstance", e2tInstanceAddress).Return(e2tInstance, nil)
 257         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte(e2tInitPayload)}
 258
 259         handler.Handle(notificationRequest)
 260
 261         writerMock.AssertNumberOfCalls(t, "UpdateNodebInfo", 1)
 262 }
 263
 264 func TestE2TermInitHandlerSuccessOneRan_ToBeDeleted(t *testing.T) {
 265         _, _, handler, readerMock, writerMock, httpClientMock := initRanLostConnectionTestWithRealE2tInstanceManager(t)
 266         var rnibErr error
 267
 268         var initialNodeb = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_CONNECTED, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST}
 269         readerMock.On("GetNodeb", RanName).Return(initialNodeb, rnibErr)
 270
 271         var argNodeb = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_CONNECTING, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST}
 272         writerMock.On("UpdateNodebInfo", argNodeb).Return(rnibErr)
 273
 274         e2tInstance := entities.NewE2TInstance(e2tInstanceAddress, podName)
 275         e2tInstance.State = entities.ToBeDeleted
 276         e2tInstance.AssociatedRanList = append(e2tInstance.AssociatedRanList, RanName)
 277
 278         readerMock.On("GetE2TInstance", e2tInstanceAddress).Return(e2tInstance, nil)
 279         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte(e2tInitPayload)}
 280
 281         handler.Handle(notificationRequest)
 282
 283         httpClientMock.AssertNotCalled(t, "Post", mock.Anything, mock.Anything, mock.Anything)
 284         writerMock.AssertNotCalled(t, "UpdateNodebInfo")
 285 }
 286
 287 func TestE2TermInitHandlerSuccessTwoRans(t *testing.T) {
 288
 289         _, config, handler, readerMock, writerMock, httpClientMock := initRanLostConnectionTestWithRealE2tInstanceManager(t)
 290
 291         var rnibErr error
 292         test2 := "test2"
 293
 294         //First RAN
 295         var firstRan = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_CONNECTED, RanName: RanName, AssociatedE2TInstanceAddress: "10.0.2.15"}
 296         var disconnectedFirstRan = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_DISCONNECTED, RanName: RanName, AssociatedE2TInstanceAddress: "10.0.2.15"}
 297         readerMock.On("GetNodeb", RanName).Return(firstRan, rnibErr).Return(disconnectedFirstRan, rnibErr)
 298
 299         var updatedFirstRan = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_DISCONNECTED, RanName: RanName, AssociatedE2TInstanceAddress: "10.0.2.15"}
 300         writerMock.On("UpdateNodebInfo", updatedFirstRan).Return(rnibErr)
 301
 302         var updatedDisconnectedFirstRan = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_DISCONNECTED, RanName: RanName, AssociatedE2TInstanceAddress: ""}
 303         writerMock.On("UpdateNodebInfo", updatedDisconnectedFirstRan).Return(rnibErr)
 304
 305         //Second RAN
 306         var secondRan = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_CONNECTED, RanName: test2, AssociatedE2TInstanceAddress: "10.0.2.15"}
 307         var disconnectedSecondRan = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_DISCONNECTED, RanName: test2, AssociatedE2TInstanceAddress: "10.0.2.15"}
 308         readerMock.On("GetNodeb", test2).Return(secondRan, rnibErr).Return(disconnectedSecondRan, rnibErr)
 309
 310         var updatedSecondRan = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_DISCONNECTED, RanName: test2, AssociatedE2TInstanceAddress: "10.0.2.15"}
 311         writerMock.On("UpdateNodebInfo", updatedSecondRan).Return(rnibErr)
 312
 313         var updatedDisconnectedSecondRan = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_DISCONNECTED, RanName: test2, AssociatedE2TInstanceAddress: ""}
 314         writerMock.On("UpdateNodebInfo", updatedDisconnectedSecondRan).Return(rnibErr)
 315
 316         e2tInstance := entities.NewE2TInstance(e2tInstanceAddress, podName)
 317         e2tInstance.AssociatedRanList = append(e2tInstance.AssociatedRanList, RanName)
 318         e2tInstance.AssociatedRanList = append(e2tInstance.AssociatedRanList, test2)
 319         readerMock.On("GetE2TInstance", e2tInstanceAddress).Return(e2tInstance, nil).Return(e2tInstance, nil)
 320         writerMock.On("SaveE2TInstance", mock.Anything).Return(nil)
 321
 322         respBody := ioutil.NopCloser(bytes.NewBufferString(""))
 323         url := config.RoutingManager.BaseUrl + clients.DissociateRanE2TInstanceApiSuffix
 324         httpClientMock.On("Post", url, mock.Anything, mock.Anything).Return(&http.Response{StatusCode: http.StatusCreated, Body: respBody}, nil)
 325
 326         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte(e2tInitPayload)}
 327
 328         handler.Handle(notificationRequest)
 329
 330         writerMock.AssertNumberOfCalls(t, "UpdateNodebInfo", 4)
 331         writerMock.AssertNumberOfCalls(t, "SaveE2TInstance", 2)
 332         httpClientMock.AssertNumberOfCalls(t, "Post", 2)
 333 }
 334
 335 func TestE2TermInitHandlerSuccessTwoRansSecondRanShutdown(t *testing.T) {
 336         _, config, handler, readerMock, writerMock, httpClientMock := initRanLostConnectionTestWithRealE2tInstanceManager(t)
 337
 338         var rnibErr error
 339         test2 := "test2"
 340
 341         //First RAN
 342         var firstRan = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_CONNECTED, RanName: RanName, AssociatedE2TInstanceAddress: "10.0.2.15"}
 343         var disconnectedFirstRan = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_DISCONNECTED, RanName: RanName, AssociatedE2TInstanceAddress: "10.0.2.15"}
 344         readerMock.On("GetNodeb", RanName).Return(firstRan, rnibErr).Return(disconnectedFirstRan, rnibErr)
 345
 346         var updatedFirstRan = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_DISCONNECTED, RanName: RanName, AssociatedE2TInstanceAddress: "10.0.2.15"}
 347         writerMock.On("UpdateNodebInfo", updatedFirstRan).Return(rnibErr)
 348
 349         var updatedDisconnectedFirstRan = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_DISCONNECTED, RanName: RanName, AssociatedE2TInstanceAddress: ""}
 350         writerMock.On("UpdateNodebInfo", updatedDisconnectedFirstRan).Return(rnibErr)
 351
 352         //Second RAN
 353         var secondRan = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_SHUT_DOWN, RanName: test2, AssociatedE2TInstanceAddress: "10.0.2.15"}
 354         readerMock.On("GetNodeb", test2).Return(secondRan, rnibErr)
 355
 356         e2tInstance := entities.NewE2TInstance(e2tInstanceAddress, podName)
 357         e2tInstance.AssociatedRanList = append(e2tInstance.AssociatedRanList, RanName)
 358         readerMock.On("GetE2TInstance", e2tInstanceAddress).Return(e2tInstance, nil).Return(e2tInstance, nil)
 359         writerMock.On("SaveE2TInstance", mock.Anything).Return(nil)
 360
 361         respBody := ioutil.NopCloser(bytes.NewBufferString(""))
 362         url := config.RoutingManager.BaseUrl + clients.DissociateRanE2TInstanceApiSuffix
 363         httpClientMock.On("Post", url, mock.Anything, mock.Anything).Return(&http.Response{StatusCode: http.StatusCreated, Body: respBody}, nil)
 364
 365         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte(e2tInitPayload)}
 366
 367         handler.Handle(notificationRequest)
 368
 369         writerMock.AssertNumberOfCalls(t, "UpdateNodebInfo", 2)
 370         writerMock.AssertNumberOfCalls(t, "SaveE2TInstance", 1)
 371         httpClientMock.AssertNumberOfCalls(t, "Post", 1)
 372 }
 373
 374 func TestE2TermInitHandlerSuccessTwoRansFirstNotFoundFailure(t *testing.T) {
 375         _, config, handler, readerMock, writerMock, httpClientMock := initRanLostConnectionTestWithRealE2tInstanceManager(t)
 376
 377         var rnibErr error
 378         test2 := "test2"
 379
 380         //First RAN
 381         var firstRan = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_CONNECTED, RanName: RanName, AssociatedE2TInstanceAddress: "10.0.2.15"}
 382         readerMock.On("GetNodeb", RanName).Return(firstRan, common.NewResourceNotFoundError("not found"))
 383
 384         //Second RAN
 385         var secondRan = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_CONNECTED, RanName: test2, AssociatedE2TInstanceAddress: "10.0.2.15"}
 386         var disconnectedSecondRan = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_DISCONNECTED, RanName: test2, AssociatedE2TInstanceAddress: "10.0.2.15"}
 387         readerMock.On("GetNodeb", test2).Return(secondRan, rnibErr).Return(disconnectedSecondRan, rnibErr)
 388
 389         var updatedSecondRan = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_DISCONNECTED, RanName: test2, AssociatedE2TInstanceAddress: "10.0.2.15"}
 390         writerMock.On("UpdateNodebInfo", updatedSecondRan).Return(rnibErr)
 391
 392         var updatedDisconnectedSecondRan = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_DISCONNECTED, RanName: test2, AssociatedE2TInstanceAddress: ""}
 393         writerMock.On("UpdateNodebInfo", updatedDisconnectedSecondRan).Return(rnibErr)
 394
 395         e2tInstance := entities.NewE2TInstance(e2tInstanceAddress, podName)
 396         e2tInstance.AssociatedRanList = append(e2tInstance.AssociatedRanList, RanName)
 397         e2tInstance.AssociatedRanList = append(e2tInstance.AssociatedRanList, test2)
 398         readerMock.On("GetE2TInstance", e2tInstanceAddress).Return(e2tInstance, nil).Return(e2tInstance, nil)
 399         writerMock.On("SaveE2TInstance", mock.Anything).Return(nil)
 400
 401         respBody := ioutil.NopCloser(bytes.NewBufferString(""))
 402         url := config.RoutingManager.BaseUrl + clients.DissociateRanE2TInstanceApiSuffix
 403         httpClientMock.On("Post", url, mock.Anything, mock.Anything).Return(&http.Response{StatusCode: http.StatusCreated, Body: respBody}, nil)
 404
 405         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte(e2tInitPayload)}
 406
 407         handler.Handle(notificationRequest)
 408
 409         writerMock.AssertNumberOfCalls(t, "UpdateNodebInfo", 2)
 410         writerMock.AssertNumberOfCalls(t, "SaveE2TInstance", 1)
 411         httpClientMock.AssertNumberOfCalls(t, "Post", 1)
 412 }
 413
 414 func TestE2TermInitHandlerSuccessTwoRansFirstRnibInternalErrorFailure(t *testing.T) {
 415         _, _, handler, readerMock, writerMock, httpClientMock := initRanLostConnectionTestWithRealE2tInstanceManager(t)
 416
 417         test2 := "test2"
 418
 419         //First RAN
 420         var firstRan = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_CONNECTED, RanName: RanName, AssociatedE2TInstanceAddress: "10.0.2.15"}
 421         readerMock.On("GetNodeb", RanName).Return(firstRan, common.NewInternalError(fmt.Errorf("internal error")))
 422
 423         e2tInstance := entities.NewE2TInstance(e2tInstanceAddress, podName)
 424         e2tInstance.AssociatedRanList = append(e2tInstance.AssociatedRanList, RanName)
 425         e2tInstance.AssociatedRanList = append(e2tInstance.AssociatedRanList, test2)
 426         readerMock.On("GetE2TInstance", e2tInstanceAddress).Return(e2tInstance, nil).Return(e2tInstance, nil)
 427
 428         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte(e2tInitPayload)}
 429
 430         handler.Handle(notificationRequest)
 431
 432         writerMock.AssertNumberOfCalls(t, "UpdateNodebInfo", 0)
 433         writerMock.AssertNumberOfCalls(t, "SaveE2TInstance", 0)
 434         httpClientMock.AssertNumberOfCalls(t, "Post", 0)
 435 }
 436
 437 func TestE2TermInitHandlerSuccessZeroRans(t *testing.T) {
 438         _, handler, _, writerMock, e2tInstancesManagerMock, _ := initRanLostConnectionTest(t)
 439
 440         e2tInstance := entities.NewE2TInstance(e2tInstanceAddress, podName)
 441         e2tInstancesManagerMock.On("GetE2TInstance", e2tInstanceAddress).Return(e2tInstance, nil)
 442         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte(e2tInitPayload)}
 443
 444         handler.Handle(notificationRequest)
 445
 446         writerMock.AssertNotCalled(t, "UpdateNodebInfo")
 447 }
 448
 449 func TestE2TermInitHandlerFailureGetNodebInternalError(t *testing.T) {
 450         _, handler, readerMock, writerMock, e2tInstancesManagerMock, _ := initRanLostConnectionTest(t)
 451
 452         var nodebInfo *entities.NodebInfo
 453         readerMock.On("GetNodeb", "test1").Return(nodebInfo, common.NewInternalError(fmt.Errorf("internal error")))
 454
 455         e2tInstance := entities.NewE2TInstance(e2tInstanceAddress, podName)
 456         e2tInstance.AssociatedRanList = append(e2tInstance.AssociatedRanList, "test1")
 457         e2tInstancesManagerMock.On("GetE2TInstance", e2tInstanceAddress).Return(e2tInstance, nil)
 458         notificationRequest := &models.NotificationRequest{RanName: RanName, Payload: []byte(e2tInitPayload)}
 459         handler.Handle(notificationRequest)
 460
 461         writerMock.AssertNotCalled(t, "UpdateNodebInfo")
 462 }
 463
 464 // TODO: extract to test_utils
 465 func initRmrSender(rmrMessengerMock *mocks.RmrMessengerMock, log *logger.Logger) *rmrsender.RmrSender {
 466         rmrMessenger := rmrCgo.RmrMessenger(rmrMessengerMock)
 467         rmrMessengerMock.On("Init", tests.GetPort(), tests.MaxMsgSize, tests.Flags, log).Return(&rmrMessenger)
 468         return rmrsender.NewRmrSender(log, rmrMessenger)
 469 }
 470
 471 // TODO: extract to test_utils
 472 func initLog(t *testing.T) *logger.Logger {
 473         log, err := logger.InitLogger(logger.InfoLevel)
 474         if err != nil {
 475                 t.Errorf("#delete_all_request_handler_test.TestHandleSuccessFlow - failed to initialize logger, error: %s", err)
 476         }
 477         return log
 478 }