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