E2Manager/managers/ran_disconnection_manager_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 //  This source code is part of the near-RT RIC (RAN Intelligent Controller)
  18 //  platform project (RICP).
  19
  20 package managers
  21
  22 import (
  23         "e2mgr/clients"
  24         "e2mgr/configuration"
  25         "e2mgr/logger"
  26         "e2mgr/mocks"
  27         "e2mgr/rmrCgo"
  28         "e2mgr/services"
  29         "e2mgr/services/rmrsender"
  30         "e2mgr/tests"
  31         "testing"
  32
  33         "gerrit.o-ran-sc.org/r/ric-plt/nodeb-rnib.git/common"
  34         "gerrit.o-ran-sc.org/r/ric-plt/nodeb-rnib.git/entities"
  35         "github.com/pkg/errors"
  36         "github.com/stretchr/testify/assert"
  37         "github.com/stretchr/testify/mock"
  38 )
  39
  40 const ranName = "test"
  41 const e2tAddress = "10.10.2.15:9800"
  42
  43 func initRanLostConnectionTest(t *testing.T) (*logger.Logger, *mocks.RmrMessengerMock, *mocks.RnibReaderMock, *mocks.RnibWriterMock, *RanDisconnectionManager, *mocks.HttpClientMock) {
  44         logger, err := logger.InitLogger(logger.DebugLevel)
  45         if err != nil {
  46                 t.Errorf("#... - failed to initialize logger, error: %s", err)
  47         }
  48         config := &configuration.Configuration{RnibRetryIntervalMs: 10, MaxRnibConnectionAttempts: 3}
  49
  50         rmrMessengerMock := &mocks.RmrMessengerMock{}
  51         readerMock := &mocks.RnibReaderMock{}
  52         writerMock := &mocks.RnibWriterMock{}
  53         rnibDataService := services.NewRnibDataService(logger, config, readerMock, writerMock)
  54         e2tInstancesManager := NewE2TInstancesManager(rnibDataService, logger)
  55         httpClient := &mocks.HttpClientMock{}
  56         routingManagerClient := clients.NewRoutingManagerClient(logger, config, httpClient)
  57         ranListManager := NewRanListManager(logger, rnibDataService)
  58         ranAlarmService := services.NewRanAlarmService(logger, config)
  59         ranConnectStatusChangeManager := NewRanConnectStatusChangeManager(logger, rnibDataService, ranListManager, ranAlarmService)
  60         e2tAssociationManager := NewE2TAssociationManager(logger, rnibDataService, e2tInstancesManager, routingManagerClient, ranConnectStatusChangeManager)
  61         ranDisconnectionManager := NewRanDisconnectionManager(logger, configuration.ParseConfiguration(), rnibDataService, e2tAssociationManager, ranConnectStatusChangeManager)
  62         return logger, rmrMessengerMock, readerMock, writerMock, ranDisconnectionManager, httpClient
  63 }
  64
  65 func TestRanDisconnectionGetNodebFailure(t *testing.T) {
  66         _, _, readerMock, writerMock, ranDisconnectionManager, _ := initRanLostConnectionTest(t)
  67
  68         var nodebInfo *entities.NodebInfo
  69         readerMock.On("GetNodeb", ranName).Return(nodebInfo, common.NewInternalError(errors.New("Error")))
  70         err := ranDisconnectionManager.DisconnectRan(ranName)
  71         assert.NotNil(t, err)
  72         readerMock.AssertCalled(t, "GetNodeb", ranName)
  73         writerMock.AssertNotCalled(t, "UpdateNodebInfo")
  74 }
  75
  76 func TestShutdownRan(t *testing.T) {
  77         _, _, readerMock, writerMock, ranDisconnectionManager, _ := initRanLostConnectionTest(t)
  78
  79         origNodebInfo := &entities.NodebInfo{RanName: ranName, GlobalNbId: &entities.GlobalNbId{PlmnId: "xxx", NbId: "yyy"}, ConnectionStatus: entities.ConnectionStatus_SHUT_DOWN}
  80         var rnibErr error
  81         readerMock.On("GetNodeb", ranName).Return(origNodebInfo, rnibErr)
  82         err := ranDisconnectionManager.DisconnectRan(ranName)
  83         assert.Nil(t, err)
  84         readerMock.AssertCalled(t, "GetNodeb", ranName)
  85         writerMock.AssertNotCalled(t, "UpdateNodebInfo")
  86 }
  87
  88 func TestShuttingdownRan(t *testing.T) {
  89         _, _, readerMock, writerMock, ranDisconnectionManager, _ := initRanLostConnectionTest(t)
  90
  91         origNodebInfo := &entities.NodebInfo{RanName: ranName, GlobalNbId: &entities.GlobalNbId{PlmnId: "xxx", NbId: "yyy"}, ConnectionStatus: entities.ConnectionStatus_SHUTTING_DOWN}
  92         var rnibErr error
  93         readerMock.On("GetNodeb", ranName).Return(origNodebInfo, rnibErr)
  94         updatedNodebInfo := *origNodebInfo
  95         updatedNodebInfo.ConnectionStatus = entities.ConnectionStatus_SHUT_DOWN
  96         writerMock.On("UpdateNodebInfo", mock.Anything).Return(rnibErr)
  97         err := ranDisconnectionManager.DisconnectRan(ranName)
  98         assert.Nil(t, err)
  99         readerMock.AssertCalled(t, "GetNodeb", ranName)
 100         writerMock.AssertNumberOfCalls(t, "UpdateNodebInfo", 1)
 101 }
 102
 103 func TestShuttingDownRanUpdateNodebInfoFailure(t *testing.T) {
 104         _, _, readerMock, writerMock, ranDisconnectionManager, _ := initRanLostConnectionTest(t)
 105
 106         origNodebInfo := &entities.NodebInfo{RanName: ranName, GlobalNbId: &entities.GlobalNbId{PlmnId: "xxx", NbId: "yyy"}, ConnectionStatus: entities.ConnectionStatus_SHUTTING_DOWN}
 107         var rnibErr error
 108         readerMock.On("GetNodeb", ranName).Return(origNodebInfo, rnibErr)
 109         updatedNodebInfo := *origNodebInfo
 110         updatedNodebInfo.ConnectionStatus = entities.ConnectionStatus_SHUT_DOWN
 111         writerMock.On("UpdateNodebInfo", mock.Anything).Return(common.NewInternalError(errors.New("Error")))
 112         err := ranDisconnectionManager.DisconnectRan(ranName)
 113         assert.NotNil(t, err)
 114         readerMock.AssertCalled(t, "GetNodeb", ranName)
 115         writerMock.AssertNumberOfCalls(t, "UpdateNodebInfo", 1)
 116 }
 117
 118 func TestConnectingRanUpdateNodebInfoFailure(t *testing.T) {
 119         _, _, readerMock, writerMock, ranDisconnectionManager, _ := initRanLostConnectionTest(t)
 120
 121         origNodebInfo := &entities.NodebInfo{RanName: ranName, GlobalNbId: &entities.GlobalNbId{PlmnId: "xxx", NbId: "yyy"}, ConnectionStatus: entities.ConnectionStatus_CONNECTING}
 122         var rnibErr error
 123         readerMock.On("GetNodeb", ranName).Return(origNodebInfo, rnibErr)
 124         updatedNodebInfo := *origNodebInfo
 125         updatedNodebInfo.ConnectionStatus = entities.ConnectionStatus_DISCONNECTED
 126         writerMock.On("UpdateNodebInfo", mock.Anything).Return(common.NewInternalError(errors.New("Error")))
 127         err := ranDisconnectionManager.DisconnectRan(ranName)
 128         assert.NotNil(t, err)
 129         readerMock.AssertCalled(t, "GetNodeb", ranName)
 130         writerMock.AssertNumberOfCalls(t, "UpdateNodebInfo", 1)
 131 }
 132
 133 func TestConnectingRanDisconnectSucceeds(t *testing.T) {
 134         _, _, readerMock, writerMock, ranDisconnectionManager, httpClient := initRanLostConnectionTest(t)
 135
 136         origNodebInfo := &entities.NodebInfo{RanName: ranName, GlobalNbId: &entities.GlobalNbId{PlmnId: "xxx", NbId: "yyy"}, ConnectionStatus: entities.ConnectionStatus_CONNECTING, AssociatedE2TInstanceAddress: E2TAddress}
 137         var rnibErr error
 138         readerMock.On("GetNodeb", ranName).Return(origNodebInfo, rnibErr)
 139         updatedNodebInfo1 := *origNodebInfo
 140         updatedNodebInfo1.ConnectionStatus = entities.ConnectionStatus_DISCONNECTED
 141         writerMock.On("UpdateNodebInfo", mock.Anything).Return(rnibErr)
 142         updatedNodebInfo2 := *origNodebInfo
 143         updatedNodebInfo2.ConnectionStatus = entities.ConnectionStatus_DISCONNECTED
 144         updatedNodebInfo2.AssociatedE2TInstanceAddress = ""
 145         writerMock.On("UpdateNodebInfo", mock.Anything).Return(rnibErr)
 146         e2tInstance := &entities.E2TInstance{Address: E2TAddress, AssociatedRanList: []string{ranName}}
 147         readerMock.On("GetE2TInstance", E2TAddress).Return(e2tInstance, nil)
 148         e2tInstanceToSave := *e2tInstance
 149         e2tInstanceToSave.AssociatedRanList = []string{}
 150         writerMock.On("SaveE2TInstance", &e2tInstanceToSave).Return(nil)
 151         mockHttpClient(httpClient, clients.DissociateRanE2TInstanceApiSuffix, true)
 152         err := ranDisconnectionManager.DisconnectRan(ranName)
 153         assert.Nil(t, err)
 154         readerMock.AssertCalled(t, "GetNodeb", ranName)
 155         writerMock.AssertNumberOfCalls(t, "UpdateNodebInfo", 2)
 156 }
 157
 158 func TestConnectingRanDissociateFailsRmError(t *testing.T) {
 159         _, _, readerMock, writerMock, ranDisconnectionManager, httpClient := initRanLostConnectionTest(t)
 160
 161         origNodebInfo := &entities.NodebInfo{RanName: ranName, GlobalNbId: &entities.GlobalNbId{PlmnId: "xxx", NbId: "yyy"}, ConnectionStatus: entities.ConnectionStatus_CONNECTING, AssociatedE2TInstanceAddress: E2TAddress}
 162         var rnibErr error
 163         readerMock.On("GetNodeb", ranName).Return(origNodebInfo, rnibErr)
 164         updatedNodebInfo1 := *origNodebInfo
 165         updatedNodebInfo1.ConnectionStatus = entities.ConnectionStatus_DISCONNECTED
 166         writerMock.On("UpdateNodebInfo", mock.Anything).Return(rnibErr)
 167         updatedNodebInfo2 := *origNodebInfo
 168         updatedNodebInfo2.ConnectionStatus = entities.ConnectionStatus_DISCONNECTED
 169         updatedNodebInfo2.AssociatedE2TInstanceAddress = ""
 170         writerMock.On("UpdateNodebInfo", mock.Anything).Return(rnibErr)
 171         e2tInstance := &entities.E2TInstance{Address: E2TAddress, AssociatedRanList: []string{ranName}}
 172         readerMock.On("GetE2TInstance", E2TAddress).Return(e2tInstance, nil)
 173         e2tInstanceToSave := *e2tInstance
 174         e2tInstanceToSave.AssociatedRanList = []string{}
 175         writerMock.On("SaveE2TInstance", &e2tInstanceToSave).Return(nil)
 176         mockHttpClient(httpClient, clients.DissociateRanE2TInstanceApiSuffix, false)
 177         err := ranDisconnectionManager.DisconnectRan(ranName)
 178         assert.Nil(t, err)
 179         readerMock.AssertCalled(t, "GetNodeb", ranName)
 180         writerMock.AssertNumberOfCalls(t, "UpdateNodebInfo", 2)
 181 }
 182
 183 func TestConnectingRanDissociateFailsDbError(t *testing.T) {
 184         _, _, readerMock, writerMock, ranDisconnectionManager, _ := initRanLostConnectionTest(t)
 185
 186         origNodebInfo := &entities.NodebInfo{RanName: ranName, GlobalNbId: &entities.GlobalNbId{PlmnId: "xxx", NbId: "yyy"}, ConnectionStatus: entities.ConnectionStatus_CONNECTING, AssociatedE2TInstanceAddress: e2tAddress}
 187         var rnibErr error
 188         readerMock.On("GetNodeb", ranName).Return(origNodebInfo, rnibErr)
 189         updatedNodebInfo1 := *origNodebInfo
 190         updatedNodebInfo1.ConnectionStatus = entities.ConnectionStatus_DISCONNECTED
 191         writerMock.On("UpdateNodebInfo", mock.Anything).Return(rnibErr)
 192         updatedNodebInfo2 := *origNodebInfo
 193         updatedNodebInfo2.ConnectionStatus = entities.ConnectionStatus_DISCONNECTED
 194         updatedNodebInfo2.AssociatedE2TInstanceAddress = ""
 195         writerMock.On("UpdateNodebInfo", mock.Anything).Return(rnibErr)
 196         e2tInstance := &entities.E2TInstance{Address: e2tAddress, AssociatedRanList: []string{ranName}}
 197         readerMock.On("GetE2TInstance", e2tAddress).Return(e2tInstance, common.NewInternalError(errors.New("Error")))
 198         err := ranDisconnectionManager.DisconnectRan(ranName)
 199         assert.NotNil(t, err)
 200         readerMock.AssertCalled(t, "GetNodeb", ranName)
 201         writerMock.AssertNumberOfCalls(t, "UpdateNodebInfo", 2)
 202         writerMock.AssertNotCalled(t, "SaveE2TInstance")
 203 }
 204
 205 func initRmrSender(rmrMessengerMock *mocks.RmrMessengerMock, log *logger.Logger) *rmrsender.RmrSender {
 206         rmrMessenger := rmrCgo.RmrMessenger(rmrMessengerMock)
 207         rmrMessengerMock.On("Init", tests.GetPort(), tests.MaxMsgSize, tests.Flags, log).Return(&rmrMessenger)
 208         return rmrsender.NewRmrSender(log, rmrMessenger)
 209 }