2 // Copyright 2019 AT&T Intellectual Property
3 // Copyright 2019 Nokia
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
9 // http://www.apache.org/licenses/LICENSE-2.0
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.
17 // This source code is part of the near-RT RIC (RAN Intelligent Controller)
18 // platform project (RICP).
29 "e2mgr/services/rmrsender"
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 "github.com/stretchr/testify/mock"
39 func initRanLostConnectionTest(t *testing.T) (*logger.Logger, *mocks.RmrMessengerMock, *mocks.RnibReaderMock, *mocks.RnibWriterMock, *RanReconnectionManager) {
40 logger, err := logger.InitLogger(logger.DebugLevel)
42 t.Errorf("#... - failed to initialize logger, error: %s", err)
44 config := &configuration.Configuration{RnibRetryIntervalMs: 10, MaxRnibConnectionAttempts: 3}
46 rmrMessengerMock := &mocks.RmrMessengerMock{}
47 rmrSender := initRmrSender(rmrMessengerMock, logger)
49 readerMock := &mocks.RnibReaderMock{}
51 writerMock := &mocks.RnibWriterMock{}
53 rnibDataService := services.NewRnibDataService(logger, config, readerMock, writerMock)
54 e2tInstancesManager := NewE2TInstancesManager(rnibDataService, logger)
55 ranSetupManager := NewRanSetupManager(logger, rmrSender, rnibDataService)
56 ranReconnectionManager := NewRanReconnectionManager(logger, configuration.ParseConfiguration(), rnibDataService, ranSetupManager, e2tInstancesManager)
57 return logger, rmrMessengerMock, readerMock, writerMock, ranReconnectionManager
60 func initRanLostConnectionTestBasicMocks(t *testing.T) (*logger.Logger, *mocks.RmrMessengerMock, *mocks.RnibReaderMock, *mocks.RnibWriterMock, *RanReconnectionManager, *mocks.E2TInstancesManagerMock) {
61 logger, err := logger.InitLogger(logger.DebugLevel)
63 t.Errorf("#... - failed to initialize logger, error: %s", err)
65 config := &configuration.Configuration{RnibRetryIntervalMs: 10, MaxRnibConnectionAttempts: 3}
67 rmrMessengerMock := &mocks.RmrMessengerMock{}
68 rmrSender := initRmrSender(rmrMessengerMock, logger)
70 readerMock := &mocks.RnibReaderMock{}
72 writerMock := &mocks.RnibWriterMock{}
74 rnibDataService := services.NewRnibDataService(logger, config, readerMock, writerMock)
75 e2tInstancesManagerMock := &mocks.E2TInstancesManagerMock{}
76 ranSetupManager := NewRanSetupManager(logger, rmrSender, rnibDataService)
77 ranReconnectionManager := NewRanReconnectionManager(logger, configuration.ParseConfiguration(), rnibDataService, ranSetupManager, e2tInstancesManagerMock)
78 return logger, rmrMessengerMock, readerMock, writerMock, ranReconnectionManager, e2tInstancesManagerMock
81 func TestRanReconnectionGetNodebFailure(t *testing.T) {
82 _, _, readerMock, writerMock, ranReconnectionManager := initRanLostConnectionTest(t)
84 var nodebInfo *entities.NodebInfo
85 readerMock.On("GetNodeb", ranName).Return(nodebInfo, common.NewInternalError(errors.New("Error")))
86 err := ranReconnectionManager.ReconnectRan(ranName)
88 readerMock.AssertCalled(t, "GetNodeb", ranName)
89 writerMock.AssertNotCalled(t, "UpdateNodebInfo")
92 func TestShutdownRanReconnection(t *testing.T) {
93 _, _, readerMock, writerMock, ranReconnectionManager := initRanLostConnectionTest(t)
95 origNodebInfo := &entities.NodebInfo{RanName: ranName, GlobalNbId: &entities.GlobalNbId{PlmnId: "xxx", NbId: "yyy"}, ConnectionStatus: entities.ConnectionStatus_SHUT_DOWN}
97 readerMock.On("GetNodeb", ranName).Return(origNodebInfo, rnibErr)
98 err := ranReconnectionManager.ReconnectRan(ranName)
100 readerMock.AssertCalled(t, "GetNodeb", ranName)
101 writerMock.AssertNotCalled(t, "UpdateNodebInfo")
104 func TestShuttingdownRanReconnection(t *testing.T) {
105 _, _, readerMock, writerMock, ranReconnectionManager := initRanLostConnectionTest(t)
107 origNodebInfo := &entities.NodebInfo{RanName: ranName, GlobalNbId: &entities.GlobalNbId{PlmnId: "xxx", NbId: "yyy"}, ConnectionStatus: entities.ConnectionStatus_SHUTTING_DOWN}
109 readerMock.On("GetNodeb", ranName).Return(origNodebInfo, rnibErr)
110 updatedNodebInfo := *origNodebInfo
111 updatedNodebInfo.ConnectionStatus = entities.ConnectionStatus_SHUT_DOWN
112 writerMock.On("UpdateNodebInfo", &updatedNodebInfo).Return(rnibErr)
113 err := ranReconnectionManager.ReconnectRan(ranName)
115 readerMock.AssertCalled(t, "GetNodeb", ranName)
116 writerMock.AssertNumberOfCalls(t, "UpdateNodebInfo", 1)
119 func TestConnectingRanWithMaxAttemptsReconnectionDissociateSucceeds(t *testing.T) {
120 _, _, readerMock, writerMock, ranReconnectionManager := initRanLostConnectionTest(t)
122 e2tAddress := "10.0.2.15"
123 origNodebInfo := &entities.NodebInfo{RanName: ranName, GlobalNbId: &entities.GlobalNbId{PlmnId: "xxx", NbId: "yyy"}, ConnectionStatus: entities.ConnectionStatus_CONNECTING, ConnectionAttempts: 20, AssociatedE2TInstanceAddress: e2tAddress}
125 readerMock.On("GetNodeb", ranName).Return(origNodebInfo, rnibErr)
126 updatedNodebInfo := *origNodebInfo
127 updatedNodebInfo.ConnectionStatus = entities.ConnectionStatus_DISCONNECTED
128 updatedNodebInfo.AssociatedE2TInstanceAddress = ""
129 writerMock.On("UpdateNodebInfo", &updatedNodebInfo).Return(rnibErr)
130 e2tInstance := &entities.E2TInstance{Address:e2tAddress, AssociatedRanList:[]string{ranName}}
131 readerMock.On("GetE2TInstance",e2tAddress).Return(e2tInstance, nil)
132 e2tInstanceToSave := * e2tInstance
133 e2tInstanceToSave .AssociatedRanList = []string{}
134 writerMock.On("SaveE2TInstance", &e2tInstanceToSave).Return(nil)
135 err := ranReconnectionManager.ReconnectRan(ranName)
137 readerMock.AssertCalled(t, "GetNodeb", ranName)
138 writerMock.AssertNumberOfCalls(t, "UpdateNodebInfo", 1)
141 func TestConnectingRanWithMaxAttemptsReconnectionDissociateFails(t *testing.T) {
142 _, _, readerMock, writerMock, ranReconnectionManager := initRanLostConnectionTest(t)
144 e2tAddress := "10.0.2.15"
145 origNodebInfo := &entities.NodebInfo{RanName: ranName, GlobalNbId: &entities.GlobalNbId{PlmnId: "xxx", NbId: "yyy"}, ConnectionStatus: entities.ConnectionStatus_CONNECTING, ConnectionAttempts: 20, AssociatedE2TInstanceAddress: e2tAddress}
147 readerMock.On("GetNodeb", ranName).Return(origNodebInfo, rnibErr)
148 updatedNodebInfo := *origNodebInfo
149 updatedNodebInfo.ConnectionStatus = entities.ConnectionStatus_DISCONNECTED
150 updatedNodebInfo.AssociatedE2TInstanceAddress = ""
151 writerMock.On("UpdateNodebInfo", &updatedNodebInfo).Return(rnibErr)
152 e2tInstance := &entities.E2TInstance{Address:e2tAddress, AssociatedRanList:[]string{ranName}}
153 readerMock.On("GetE2TInstance",e2tAddress).Return(e2tInstance, common.NewInternalError(errors.New("Error")))
154 err := ranReconnectionManager.ReconnectRan(ranName)
155 assert.NotNil(t, err)
156 readerMock.AssertCalled(t, "GetNodeb", ranName)
157 writerMock.AssertNumberOfCalls(t, "UpdateNodebInfo", 1)
158 writerMock.AssertNotCalled(t, "SaveE2TInstance", )
161 func TestUnconnectableRanUpdateNodebInfoFailure(t *testing.T) {
162 _, _, readerMock, writerMock, ranReconnectionManager := initRanLostConnectionTest(t)
164 origNodebInfo := &entities.NodebInfo{RanName: ranName, GlobalNbId: &entities.GlobalNbId{PlmnId: "xxx", NbId: "yyy"}, ConnectionStatus: entities.ConnectionStatus_SHUTTING_DOWN}
166 readerMock.On("GetNodeb", ranName).Return(origNodebInfo, rnibErr)
167 updatedNodebInfo := *origNodebInfo
168 updatedNodebInfo.ConnectionStatus = entities.ConnectionStatus_SHUT_DOWN
169 writerMock.On("UpdateNodebInfo", &updatedNodebInfo).Return(common.NewInternalError(errors.New("Error")))
170 err := ranReconnectionManager.ReconnectRan(ranName)
171 assert.NotNil(t, err)
172 readerMock.AssertCalled(t, "GetNodeb", ranName)
173 writerMock.AssertNumberOfCalls(t, "UpdateNodebInfo", 1)
176 func TestConnectedRanExecuteSetupSuccess(t *testing.T) {
177 _, rmrMessengerMock, readerMock, writerMock, ranReconnectionManager := initRanLostConnectionTest(t)
179 origNodebInfo := &entities.NodebInfo{RanName: ranName, GlobalNbId: &entities.GlobalNbId{PlmnId: "xxx", NbId: "yyy"}, ConnectionStatus: entities.ConnectionStatus_CONNECTED, E2ApplicationProtocol: entities.E2ApplicationProtocol_ENDC_X2_SETUP_REQUEST}
181 readerMock.On("GetNodeb", ranName).Return(origNodebInfo, rnibErr)
182 updatedNodebInfo := *origNodebInfo
183 updatedNodebInfo.ConnectionStatus = entities.ConnectionStatus_CONNECTING
184 updatedNodebInfo.ConnectionAttempts++
185 writerMock.On("UpdateNodebInfo", &updatedNodebInfo).Return(nil)
186 rmrMessengerMock.On("SendMsg", mock.Anything, true).Return(&rmrCgo.MBuf{}, nil)
187 err := ranReconnectionManager.ReconnectRan(ranName)
189 readerMock.AssertCalled(t, "GetNodeb", ranName)
190 writerMock.AssertNumberOfCalls(t, "UpdateNodebInfo", 1)
191 rmrMessengerMock.AssertNumberOfCalls(t, "SendMsg", 1)
194 func TestConnectedRanExecuteSetupFailure(t *testing.T) {
195 _, _, readerMock, writerMock, ranReconnectionManager := initRanLostConnectionTest(t)
197 origNodebInfo := &entities.NodebInfo{RanName: ranName, GlobalNbId: &entities.GlobalNbId{PlmnId: "xxx", NbId: "yyy"}, ConnectionStatus: entities.ConnectionStatus_CONNECTED}
199 readerMock.On("GetNodeb", ranName).Return(origNodebInfo, rnibErr)
200 updatedNodebInfo := *origNodebInfo
201 updatedNodebInfo.ConnectionStatus = entities.ConnectionStatus_CONNECTING
202 updatedNodebInfo.ConnectionAttempts++
203 writerMock.On("UpdateNodebInfo", &updatedNodebInfo).Return(common.NewInternalError(errors.New("Error")))
204 err := ranReconnectionManager.ReconnectRan(ranName)
205 assert.NotNil(t, err)
206 readerMock.AssertCalled(t, "GetNodeb", ranName)
207 writerMock.AssertNumberOfCalls(t, "UpdateNodebInfo", 1)
210 func TestNoSetConnectionStatus(t *testing.T) {
211 _, _, _, _, ranReconnectionManager := initRanLostConnectionTest(t)
212 nodebInfo := &entities.NodebInfo{RanName: "ranName", GlobalNbId: &entities.GlobalNbId{PlmnId: "xxx", NbId: "yyy"}, ConnectionStatus: entities.ConnectionStatus_CONNECTED}
213 err := ranReconnectionManager.updateUnconnectableRan(nodebInfo)
217 func initRmrSender(rmrMessengerMock *mocks.RmrMessengerMock, log *logger.Logger) *rmrsender.RmrSender {
218 rmrMessenger := rmrCgo.RmrMessenger(rmrMessengerMock)
219 rmrMessengerMock.On("Init", tests.GetPort(), tests.MaxMsgSize, tests.Flags, log).Return(&rmrMessenger)
220 return rmrsender.NewRmrSender(log, rmrMessenger)