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