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         DebugLevel := int8(4)
  45         logger, err := logger.InitLogger(DebugLevel)
  46         if err != nil {
  47                 t.Errorf("#... - failed to initialize logger, error: %s", err)
  48         }
  49         config := &configuration.Configuration{RnibRetryIntervalMs: 10, MaxRnibConnectionAttempts: 3}
  50
  51         rmrMessengerMock := &mocks.RmrMessengerMock{}
  52         readerMock := &mocks.RnibReaderMock{}
  53         writerMock := &mocks.RnibWriterMock{}
  54         rnibDataService := services.NewRnibDataService(logger, config, readerMock, writerMock)
  55         e2tInstancesManager := NewE2TInstancesManager(rnibDataService, logger)
  56         httpClient := &mocks.HttpClientMock{}
  57         routingManagerClient := clients.NewRoutingManagerClient(logger, config, httpClient)
  58         ranListManager := NewRanListManager(logger, rnibDataService)
  59         ranAlarmService := services.NewRanAlarmService(logger, config)
  60         ranConnectStatusChangeManager := NewRanConnectStatusChangeManager(logger, rnibDataService, ranListManager, ranAlarmService)
  61         e2tAssociationManager := NewE2TAssociationManager(logger, rnibDataService, e2tInstancesManager, routingManagerClient, ranConnectStatusChangeManager)
  62         ranDisconnectionManager := NewRanDisconnectionManager(logger, configuration.ParseConfiguration(), rnibDataService, e2tAssociationManager, ranConnectStatusChangeManager)
  63         return logger, rmrMessengerMock, readerMock, writerMock, ranDisconnectionManager, httpClient
  64 }
  65
  66 func TestRanDisconnectionGetNodebFailure(t *testing.T) {
  67         _, _, readerMock, writerMock, ranDisconnectionManager, _ := initRanLostConnectionTest(t)
  68
  69         var nodebInfo *entities.NodebInfo
  70         readerMock.On("GetNodeb", ranName).Return(nodebInfo, common.NewInternalError(errors.New("Error")))
  71         err := ranDisconnectionManager.DisconnectRan(ranName)
  72         assert.NotNil(t, err)
  73         readerMock.AssertCalled(t, "GetNodeb", ranName)
  74         writerMock.AssertNotCalled(t, "UpdateNodebInfo")
  75 }
  76
  77 func TestShutdownRan(t *testing.T) {
  78         _, _, readerMock, writerMock, ranDisconnectionManager, _ := initRanLostConnectionTest(t)
  79
  80         origNodebInfo := &entities.NodebInfo{RanName: ranName, GlobalNbId: &entities.GlobalNbId{PlmnId: "xxx", NbId: "yyy"}, ConnectionStatus: entities.ConnectionStatus_SHUT_DOWN}
  81         var rnibErr error
  82         readerMock.On("GetNodeb", ranName).Return(origNodebInfo, rnibErr)
  83         err := ranDisconnectionManager.DisconnectRan(ranName)
  84         assert.Nil(t, err)
  85         readerMock.AssertCalled(t, "GetNodeb", ranName)
  86         writerMock.AssertNotCalled(t, "UpdateNodebInfo")
  87 }
  88
  89 func TestShuttingdownRan(t *testing.T) {
  90         _, _, readerMock, writerMock, ranDisconnectionManager, _ := initRanLostConnectionTest(t)
  91
  92         origNodebInfo := &entities.NodebInfo{RanName: ranName, GlobalNbId: &entities.GlobalNbId{PlmnId: "xxx", NbId: "yyy"}, ConnectionStatus: entities.ConnectionStatus_SHUTTING_DOWN}
  93         var rnibErr error
  94         readerMock.On("GetNodeb", ranName).Return(origNodebInfo, rnibErr)
  95         updatedNodebInfo := *origNodebInfo
  96         updatedNodebInfo.ConnectionStatus = entities.ConnectionStatus_SHUT_DOWN
  97         writerMock.On("UpdateNodebInfo", mock.Anything).Return(rnibErr)
  98         err := ranDisconnectionManager.DisconnectRan(ranName)
  99         assert.Nil(t, err)
 100         readerMock.AssertCalled(t, "GetNodeb", ranName)
 101         writerMock.AssertNumberOfCalls(t, "UpdateNodebInfo", 1)
 102 }
 103
 104 func TestShuttingDownRanUpdateNodebInfoFailure(t *testing.T) {
 105         _, _, readerMock, writerMock, ranDisconnectionManager, _ := initRanLostConnectionTest(t)
 106
 107         origNodebInfo := &entities.NodebInfo{RanName: ranName, GlobalNbId: &entities.GlobalNbId{PlmnId: "xxx", NbId: "yyy"}, ConnectionStatus: entities.ConnectionStatus_SHUTTING_DOWN}
 108         var rnibErr error
 109         readerMock.On("GetNodeb", ranName).Return(origNodebInfo, rnibErr)
 110         updatedNodebInfo := *origNodebInfo
 111         updatedNodebInfo.ConnectionStatus = entities.ConnectionStatus_SHUT_DOWN
 112         writerMock.On("UpdateNodebInfo", mock.Anything).Return(common.NewInternalError(errors.New("Error")))
 113         err := ranDisconnectionManager.DisconnectRan(ranName)
 114         assert.NotNil(t, err)
 115         readerMock.AssertCalled(t, "GetNodeb", ranName)
 116         writerMock.AssertNumberOfCalls(t, "UpdateNodebInfo", 1)
 117 }
 118
 119 func TestConnectingRanUpdateNodebInfoFailure(t *testing.T) {
 120         _, _, readerMock, writerMock, ranDisconnectionManager, _ := initRanLostConnectionTest(t)
 121
 122         origNodebInfo := &entities.NodebInfo{RanName: ranName, GlobalNbId: &entities.GlobalNbId{PlmnId: "xxx", NbId: "yyy"}, ConnectionStatus: entities.ConnectionStatus_CONNECTING}
 123         var rnibErr error
 124         readerMock.On("GetNodeb", ranName).Return(origNodebInfo, rnibErr)
 125         updatedNodebInfo := *origNodebInfo
 126         updatedNodebInfo.ConnectionStatus = entities.ConnectionStatus_DISCONNECTED
 127         writerMock.On("UpdateNodebInfo", mock.Anything).Return(common.NewInternalError(errors.New("Error")))
 128         err := ranDisconnectionManager.DisconnectRan(ranName)
 129         assert.NotNil(t, err)
 130         readerMock.AssertCalled(t, "GetNodeb", ranName)
 131         writerMock.AssertNumberOfCalls(t, "UpdateNodebInfo", 1)
 132 }
 133
 134 func TestConnectingRanDisconnectSucceeds(t *testing.T) {
 135         _, _, readerMock, writerMock, ranDisconnectionManager, httpClient := initRanLostConnectionTest(t)
 136
 137         origNodebInfo := &entities.NodebInfo{RanName: ranName, GlobalNbId: &entities.GlobalNbId{PlmnId: "xxx", NbId: "yyy"}, ConnectionStatus: entities.ConnectionStatus_CONNECTING, AssociatedE2TInstanceAddress: E2TAddress}
 138         var rnibErr error
 139         readerMock.On("GetNodeb", ranName).Return(origNodebInfo, rnibErr)
 140         updatedNodebInfo1 := *origNodebInfo
 141         updatedNodebInfo1.ConnectionStatus = entities.ConnectionStatus_DISCONNECTED
 142         writerMock.On("UpdateNodebInfo", mock.Anything).Return(rnibErr)
 143         updatedNodebInfo2 := *origNodebInfo
 144         updatedNodebInfo2.ConnectionStatus = entities.ConnectionStatus_DISCONNECTED
 145         updatedNodebInfo2.AssociatedE2TInstanceAddress = ""
 146         writerMock.On("UpdateNodebInfo", mock.Anything).Return(rnibErr)
 147         e2tInstance := &entities.E2TInstance{Address: E2TAddress, AssociatedRanList: []string{ranName}}
 148         readerMock.On("GetE2TInstance", E2TAddress).Return(e2tInstance, nil)
 149         e2tInstanceToSave := *e2tInstance
 150         e2tInstanceToSave.AssociatedRanList = []string{}
 151         writerMock.On("SaveE2TInstance", &e2tInstanceToSave).Return(nil)
 152         mockHttpClient(httpClient, clients.DissociateRanE2TInstanceApiSuffix, true)
 153         err := ranDisconnectionManager.DisconnectRan(ranName)
 154         assert.Nil(t, err)
 155         readerMock.AssertCalled(t, "GetNodeb", ranName)
 156         writerMock.AssertNumberOfCalls(t, "UpdateNodebInfo", 2)
 157 }
 158
 159 func TestConnectingRanDissociateFailsRmError(t *testing.T) {
 160         _, _, readerMock, writerMock, ranDisconnectionManager, httpClient := initRanLostConnectionTest(t)
 161
 162         origNodebInfo := &entities.NodebInfo{RanName: ranName, GlobalNbId: &entities.GlobalNbId{PlmnId: "xxx", NbId: "yyy"}, ConnectionStatus: entities.ConnectionStatus_CONNECTING, AssociatedE2TInstanceAddress: E2TAddress}
 163         var rnibErr error
 164         readerMock.On("GetNodeb", ranName).Return(origNodebInfo, rnibErr)
 165         updatedNodebInfo1 := *origNodebInfo
 166         updatedNodebInfo1.ConnectionStatus = entities.ConnectionStatus_DISCONNECTED
 167         writerMock.On("UpdateNodebInfo", mock.Anything).Return(rnibErr)
 168         updatedNodebInfo2 := *origNodebInfo
 169         updatedNodebInfo2.ConnectionStatus = entities.ConnectionStatus_DISCONNECTED
 170         updatedNodebInfo2.AssociatedE2TInstanceAddress = ""
 171         writerMock.On("UpdateNodebInfo", mock.Anything).Return(rnibErr)
 172         e2tInstance := &entities.E2TInstance{Address: E2TAddress, AssociatedRanList: []string{ranName}}
 173         readerMock.On("GetE2TInstance", E2TAddress).Return(e2tInstance, nil)
 174         e2tInstanceToSave := *e2tInstance
 175         e2tInstanceToSave.AssociatedRanList = []string{}
 176         writerMock.On("SaveE2TInstance", &e2tInstanceToSave).Return(nil)
 177         mockHttpClient(httpClient, clients.DissociateRanE2TInstanceApiSuffix, false)
 178         err := ranDisconnectionManager.DisconnectRan(ranName)
 179         assert.Nil(t, err)
 180         readerMock.AssertCalled(t, "GetNodeb", ranName)
 181         writerMock.AssertNumberOfCalls(t, "UpdateNodebInfo", 2)
 182 }
 183
 184 func TestConnectingRanDissociateFailsDbError(t *testing.T) {
 185         _, _, readerMock, writerMock, ranDisconnectionManager, _ := initRanLostConnectionTest(t)
 186
 187         origNodebInfo := &entities.NodebInfo{RanName: ranName, GlobalNbId: &entities.GlobalNbId{PlmnId: "xxx", NbId: "yyy"}, ConnectionStatus: entities.ConnectionStatus_CONNECTING, AssociatedE2TInstanceAddress: e2tAddress}
 188         var rnibErr error
 189         readerMock.On("GetNodeb", ranName).Return(origNodebInfo, rnibErr)
 190         updatedNodebInfo1 := *origNodebInfo
 191         updatedNodebInfo1.ConnectionStatus = entities.ConnectionStatus_DISCONNECTED
 192         writerMock.On("UpdateNodebInfo", mock.Anything).Return(rnibErr)
 193         updatedNodebInfo2 := *origNodebInfo
 194         updatedNodebInfo2.ConnectionStatus = entities.ConnectionStatus_DISCONNECTED
 195         updatedNodebInfo2.AssociatedE2TInstanceAddress = ""
 196         writerMock.On("UpdateNodebInfo", mock.Anything).Return(rnibErr)
 197         e2tInstance := &entities.E2TInstance{Address: e2tAddress, AssociatedRanList: []string{ranName}}
 198         readerMock.On("GetE2TInstance", e2tAddress).Return(e2tInstance, common.NewInternalError(errors.New("Error")))
 199         err := ranDisconnectionManager.DisconnectRan(ranName)
 200         assert.NotNil(t, err)
 201         readerMock.AssertCalled(t, "GetNodeb", ranName)
 202         writerMock.AssertNumberOfCalls(t, "UpdateNodebInfo", 2)
 203         writerMock.AssertNotCalled(t, "SaveE2TInstance")
 204 }
 205
 206 func initRmrSender(rmrMessengerMock *mocks.RmrMessengerMock, log *logger.Logger) *rmrsender.RmrSender {
 207         rmrMessenger := rmrCgo.RmrMessenger(rmrMessengerMock)
 208         rmrMessengerMock.On("Init", tests.GetPort(), tests.MaxMsgSize, tests.Flags, log).Return(&rmrMessenger)
 209         return rmrsender.NewRmrSender(log, rmrMessenger)
 210 }