1 //// Copyright 2019 AT&T Intellectual Property
2 //// Copyright 2019 Nokia
4 //// Licensed under the Apache License, Version 2.0 (the "License");
5 //// you may not use this file except in compliance with the License.
6 //// You may obtain a copy of the License at
8 //// http://www.apache.org/licenses/LICENSE-2.0
10 //// Unless required by applicable law or agreed to in writing, software
11 //// distributed under the License is distributed on an "AS IS" BASIS,
12 //// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 //// See the License for the specific language governing permissions and
14 //// limitations under the License.
16 // This source code is part of the near-RT RIC (RAN Intelligent Controller)
17 // platform project (RICP).
19 package rmrmsghandlers
31 "gerrit.o-ran-sc.org/r/ric-plt/nodeb-rnib.git/entities"
39 e2tAddress = "10.10.2.15:9800"
42 func setupLostConnectionHandlerTest(isSuccessfulHttpPost bool) (*RanLostConnectionHandler, *mocks.RnibReaderMock, *mocks.RnibWriterMock, *mocks.HttpClientMock) {
43 logger, _ := logger.InitLogger(logger.InfoLevel)
44 config := &configuration.Configuration{
45 RnibRetryIntervalMs: 10,
46 MaxRnibConnectionAttempts: 3,
47 StateChangeMessageChannel: StateChangeMessageChannel,
50 readerMock := &mocks.RnibReaderMock{}
51 writerMock := &mocks.RnibWriterMock{}
52 rnibDataService := services.NewRnibDataService(logger, config, readerMock, writerMock)
53 e2tInstancesManager := managers.NewE2TInstancesManager(rnibDataService, logger)
54 httpClientMock := &mocks.HttpClientMock{}
55 routingManagerClient := clients.NewRoutingManagerClient(logger, config, httpClientMock)
56 ranListManager := managers.NewRanListManager(logger)
57 ranAlarmService := services.NewRanAlarmService(logger, config)
58 ranConnectStatusChangeManager := managers.NewRanConnectStatusChangeManager(logger, rnibDataService, ranListManager, ranAlarmService)
60 e2tAssociationManager := managers.NewE2TAssociationManager(logger, rnibDataService, e2tInstancesManager, routingManagerClient, ranConnectStatusChangeManager)
61 ranDisconnectionManager := managers.NewRanDisconnectionManager(logger, configuration.ParseConfiguration(), rnibDataService, e2tAssociationManager, ranConnectStatusChangeManager)
62 handler := NewRanLostConnectionHandler(logger, ranDisconnectionManager)
64 return handler, readerMock, writerMock, httpClientMock
67 func mockHttpClient(httpClientMock *mocks.HttpClientMock, isSuccessful bool) {
68 data := models.RoutingManagerE2TDataList{models.NewRoutingManagerE2TData(e2tAddress, RanName)}
69 marshaled, _ := json.Marshal(data)
70 body := bytes.NewBuffer(marshaled)
71 respBody := ioutil.NopCloser(bytes.NewBufferString(""))
72 var respStatusCode int
74 respStatusCode = http.StatusCreated
76 respStatusCode = http.StatusBadRequest
78 httpClientMock.On("Post", clients.DissociateRanE2TInstanceApiSuffix, "application/json", body).Return(&http.Response{StatusCode: respStatusCode, Body: respBody}, nil)
81 func TestLostConnectionHandlerConnectingRanSuccess(t *testing.T) {
82 handler, readerMock, writerMock, httpClientMock := setupLostConnectionHandlerTest(true)
84 origNodebInfo := &entities.NodebInfo{RanName: ranName, GlobalNbId: &entities.GlobalNbId{PlmnId: "xxx", NbId: "yyy"}, ConnectionStatus: entities.ConnectionStatus_CONNECTING, AssociatedE2TInstanceAddress: e2tAddress}
86 readerMock.On("GetNodeb", ranName).Return(origNodebInfo, rnibErr)
87 updatedNodebInfo1 := *origNodebInfo
88 updatedNodebInfo1.ConnectionStatus = entities.ConnectionStatus_DISCONNECTED
89 writerMock.On("UpdateNodebInfo", &updatedNodebInfo1).Return(rnibErr)
90 updatedNodebInfo2 := *origNodebInfo
91 updatedNodebInfo2.ConnectionStatus = entities.ConnectionStatus_DISCONNECTED
92 updatedNodebInfo2.AssociatedE2TInstanceAddress = ""
93 writerMock.On("UpdateNodebInfo", &updatedNodebInfo2).Return(rnibErr)
94 e2tInstance := &entities.E2TInstance{Address: e2tAddress, AssociatedRanList: []string{ranName}}
95 readerMock.On("GetE2TInstance", e2tAddress).Return(e2tInstance, nil)
96 e2tInstanceToSave := *e2tInstance
97 e2tInstanceToSave.AssociatedRanList = []string{}
98 writerMock.On("SaveE2TInstance", &e2tInstanceToSave).Return(nil)
99 mockHttpClient(httpClientMock, true)
100 notificationRequest := models.NotificationRequest{RanName: ranName}
101 handler.Handle(¬ificationRequest)
102 readerMock.AssertExpectations(t)
103 writerMock.AssertExpectations(t)
104 httpClientMock.AssertExpectations(t)
105 writerMock.AssertNumberOfCalls(t, "UpdateNodebInfo", 2)
108 func TestLostConnectionHandlerConnectedRanSuccess(t *testing.T) {
109 handler, readerMock, writerMock, httpClientMock := setupLostConnectionHandlerTest(true)
111 origNodebInfo := &entities.NodebInfo{
113 GlobalNbId: &entities.GlobalNbId{PlmnId: "xxx", NbId: "yyy"},
114 ConnectionStatus: entities.ConnectionStatus_CONNECTED,
115 AssociatedE2TInstanceAddress: e2tAddress,
118 readerMock.On("GetNodeb", ranName).Return(origNodebInfo, rnibErr)
119 updatedNodebInfo1 := *origNodebInfo
120 updatedNodebInfo1.ConnectionStatus = entities.ConnectionStatus_DISCONNECTED
121 writerMock.On("UpdateNodebInfoOnConnectionStatusInversion", &updatedNodebInfo1, StateChangeMessageChannel, ranName+"_DISCONNECTED").Return(rnibErr)
122 updatedNodebInfo2 := *origNodebInfo
123 updatedNodebInfo2.ConnectionStatus = entities.ConnectionStatus_DISCONNECTED
124 updatedNodebInfo2.AssociatedE2TInstanceAddress = ""
125 writerMock.On("UpdateNodebInfo", &updatedNodebInfo2).Return(rnibErr)
126 e2tInstance := &entities.E2TInstance{Address: e2tAddress, AssociatedRanList: []string{ranName}}
127 readerMock.On("GetE2TInstance", e2tAddress).Return(e2tInstance, nil)
128 e2tInstanceToSave := *e2tInstance
129 e2tInstanceToSave.AssociatedRanList = []string{}
130 writerMock.On("SaveE2TInstance", &e2tInstanceToSave).Return(nil)
131 mockHttpClient(httpClientMock, true)
132 notificationRequest := models.NotificationRequest{RanName: ranName}
133 handler.Handle(¬ificationRequest)
134 readerMock.AssertExpectations(t)
135 writerMock.AssertExpectations(t)
136 httpClientMock.AssertExpectations(t)
137 writerMock.AssertNumberOfCalls(t, "UpdateNodebInfo", 1)
140 func TestLostConnectionHandlerRmDissociateFailure(t *testing.T) {
141 handler, readerMock, writerMock, httpClientMock := setupLostConnectionHandlerTest(false)
143 origNodebInfo := &entities.NodebInfo{RanName: ranName, GlobalNbId: &entities.GlobalNbId{PlmnId: "xxx", NbId: "yyy"}, ConnectionStatus: entities.ConnectionStatus_CONNECTING, AssociatedE2TInstanceAddress: e2tAddress}
145 readerMock.On("GetNodeb", ranName).Return(origNodebInfo, rnibErr)
146 updatedNodebInfo1 := *origNodebInfo
147 updatedNodebInfo1.ConnectionStatus = entities.ConnectionStatus_DISCONNECTED
148 writerMock.On("UpdateNodebInfo", &updatedNodebInfo1).Return(rnibErr)
149 updatedNodebInfo2 := *origNodebInfo
150 updatedNodebInfo2.ConnectionStatus = entities.ConnectionStatus_DISCONNECTED
151 updatedNodebInfo2.AssociatedE2TInstanceAddress = ""
152 writerMock.On("UpdateNodebInfo", &updatedNodebInfo2).Return(rnibErr)
153 e2tInstance := &entities.E2TInstance{Address: e2tAddress, AssociatedRanList: []string{ranName}}
154 readerMock.On("GetE2TInstance", e2tAddress).Return(e2tInstance, nil)
155 e2tInstanceToSave := *e2tInstance
156 e2tInstanceToSave.AssociatedRanList = []string{}
157 writerMock.On("SaveE2TInstance", &e2tInstanceToSave).Return(nil)
158 mockHttpClient(httpClientMock, false)
159 notificationRequest := models.NotificationRequest{RanName: ranName}
160 handler.Handle(¬ificationRequest)
161 readerMock.AssertExpectations(t)
162 writerMock.AssertExpectations(t)
163 httpClientMock.AssertExpectations(t)
164 writerMock.AssertNumberOfCalls(t, "UpdateNodebInfo", 2)