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.
26 "e2mgr/services/rmrsender"
28 "gerrit.o-ran-sc.org/r/ric-plt/nodeb-rnib.git/common"
29 "gerrit.o-ran-sc.org/r/ric-plt/nodeb-rnib.git/entities"
30 "github.com/pkg/errors"
31 "github.com/stretchr/testify/assert"
32 "github.com/stretchr/testify/mock"
36 func initRanLostConnectionTest(t *testing.T) (*logger.Logger, *mocks.RmrMessengerMock, *mocks.RnibReaderMock, *mocks.RnibWriterMock, *RanReconnectionManager) {
37 logger, err := logger.InitLogger(logger.DebugLevel)
39 t.Errorf("#... - failed to initialize logger, error: %s", err)
41 config := &configuration.Configuration{RnibRetryIntervalMs: 10, MaxRnibConnectionAttempts: 3}
43 rmrMessengerMock := &mocks.RmrMessengerMock{}
44 rmrSender := initRmrSender(rmrMessengerMock, logger)
46 readerMock := &mocks.RnibReaderMock{}
48 writerMock := &mocks.RnibWriterMock{}
50 rnibDataService := services.NewRnibDataService(logger, config, readerMock, writerMock)
51 e2tInstancesManager := NewE2TInstancesManager(rnibDataService, logger)
52 ranSetupManager := NewRanSetupManager(logger, rmrSender, rnibDataService)
53 ranReconnectionManager := NewRanReconnectionManager(logger, configuration.ParseConfiguration(), rnibDataService, ranSetupManager, e2tInstancesManager)
54 return logger, rmrMessengerMock, readerMock, writerMock, ranReconnectionManager
57 func initRanLostConnectionTestBasicMocks(t *testing.T) (*logger.Logger, *mocks.RmrMessengerMock, *mocks.RnibReaderMock, *mocks.RnibWriterMock, *RanReconnectionManager, *mocks.E2TInstancesManagerMock) {
58 logger, err := logger.InitLogger(logger.DebugLevel)
60 t.Errorf("#... - failed to initialize logger, error: %s", err)
62 config := &configuration.Configuration{RnibRetryIntervalMs: 10, MaxRnibConnectionAttempts: 3}
64 rmrMessengerMock := &mocks.RmrMessengerMock{}
65 rmrSender := initRmrSender(rmrMessengerMock, logger)
67 readerMock := &mocks.RnibReaderMock{}
69 writerMock := &mocks.RnibWriterMock{}
71 rnibDataService := services.NewRnibDataService(logger, config, readerMock, writerMock)
72 e2tInstancesManagerMock := &mocks.E2TInstancesManagerMock{}
73 ranSetupManager := NewRanSetupManager(logger, rmrSender, rnibDataService)
74 ranReconnectionManager := NewRanReconnectionManager(logger, configuration.ParseConfiguration(), rnibDataService, ranSetupManager, e2tInstancesManagerMock)
75 return logger, rmrMessengerMock, readerMock, writerMock, ranReconnectionManager, e2tInstancesManagerMock
78 func TestRanReconnectionGetNodebFailure(t *testing.T) {
79 _, _, readerMock, writerMock, ranReconnectionManager := initRanLostConnectionTest(t)
81 var nodebInfo *entities.NodebInfo
82 readerMock.On("GetNodeb", ranName).Return(nodebInfo, common.NewInternalError(errors.New("Error")))
83 err := ranReconnectionManager.ReconnectRan(ranName)
85 readerMock.AssertCalled(t, "GetNodeb", ranName)
86 writerMock.AssertNotCalled(t, "UpdateNodebInfo")
89 func TestShutdownRanReconnection(t *testing.T) {
90 _, _, readerMock, writerMock, ranReconnectionManager := initRanLostConnectionTest(t)
92 origNodebInfo := &entities.NodebInfo{RanName: ranName, GlobalNbId: &entities.GlobalNbId{PlmnId: "xxx", NbId: "yyy"}, ConnectionStatus: entities.ConnectionStatus_SHUT_DOWN}
94 readerMock.On("GetNodeb", ranName).Return(origNodebInfo, rnibErr)
95 err := ranReconnectionManager.ReconnectRan(ranName)
97 readerMock.AssertCalled(t, "GetNodeb", ranName)
98 writerMock.AssertNotCalled(t, "UpdateNodebInfo")
101 func TestShuttingdownRanReconnection(t *testing.T) {
102 _, _, readerMock, writerMock, ranReconnectionManager := initRanLostConnectionTest(t)
104 origNodebInfo := &entities.NodebInfo{RanName: ranName, GlobalNbId: &entities.GlobalNbId{PlmnId: "xxx", NbId: "yyy"}, ConnectionStatus: entities.ConnectionStatus_SHUTTING_DOWN}
106 readerMock.On("GetNodeb", ranName).Return(origNodebInfo, rnibErr)
107 updatedNodebInfo := *origNodebInfo
108 updatedNodebInfo.ConnectionStatus = entities.ConnectionStatus_SHUT_DOWN
109 writerMock.On("UpdateNodebInfo", &updatedNodebInfo).Return(rnibErr)
110 err := ranReconnectionManager.ReconnectRan(ranName)
112 readerMock.AssertCalled(t, "GetNodeb", ranName)
113 writerMock.AssertNumberOfCalls(t, "UpdateNodebInfo", 1)
116 func TestConnectingRanWithMaxAttemptsReconnectionDissociateSucceeds(t *testing.T) {
117 _, _, readerMock, writerMock, ranReconnectionManager := initRanLostConnectionTest(t)
119 e2tAddress := "10.0.2.15"
120 origNodebInfo := &entities.NodebInfo{RanName: ranName, GlobalNbId: &entities.GlobalNbId{PlmnId: "xxx", NbId: "yyy"}, ConnectionStatus: entities.ConnectionStatus_CONNECTING, ConnectionAttempts: 20, AssociatedE2TInstanceAddress: e2tAddress}
122 readerMock.On("GetNodeb", ranName).Return(origNodebInfo, rnibErr)
123 updatedNodebInfo := *origNodebInfo
124 updatedNodebInfo.ConnectionStatus = entities.ConnectionStatus_DISCONNECTED
125 updatedNodebInfo.AssociatedE2TInstanceAddress = ""
126 writerMock.On("UpdateNodebInfo", &updatedNodebInfo).Return(rnibErr)
127 e2tInstance := &entities.E2TInstance{Address:e2tAddress, AssociatedRanList:[]string{ranName}}
128 readerMock.On("GetE2TInstance",e2tAddress).Return(e2tInstance, nil)
129 e2tInstanceToSave := * e2tInstance
130 e2tInstanceToSave .AssociatedRanList = []string{}
131 writerMock.On("SaveE2TInstance", &e2tInstanceToSave).Return(nil)
132 err := ranReconnectionManager.ReconnectRan(ranName)
134 readerMock.AssertCalled(t, "GetNodeb", ranName)
135 writerMock.AssertNumberOfCalls(t, "UpdateNodebInfo", 1)
138 func TestConnectingRanWithMaxAttemptsReconnectionDissociateFails(t *testing.T) {
139 _, _, readerMock, writerMock, ranReconnectionManager := initRanLostConnectionTest(t)
141 e2tAddress := "10.0.2.15"
142 origNodebInfo := &entities.NodebInfo{RanName: ranName, GlobalNbId: &entities.GlobalNbId{PlmnId: "xxx", NbId: "yyy"}, ConnectionStatus: entities.ConnectionStatus_CONNECTING, ConnectionAttempts: 20, AssociatedE2TInstanceAddress: e2tAddress}
144 readerMock.On("GetNodeb", ranName).Return(origNodebInfo, rnibErr)
145 updatedNodebInfo := *origNodebInfo
146 updatedNodebInfo.ConnectionStatus = entities.ConnectionStatus_DISCONNECTED
147 updatedNodebInfo.AssociatedE2TInstanceAddress = ""
148 writerMock.On("UpdateNodebInfo", &updatedNodebInfo).Return(rnibErr)
149 e2tInstance := &entities.E2TInstance{Address:e2tAddress, AssociatedRanList:[]string{ranName}}
150 readerMock.On("GetE2TInstance",e2tAddress).Return(e2tInstance, common.NewInternalError(errors.New("Error")))
151 err := ranReconnectionManager.ReconnectRan(ranName)
152 assert.NotNil(t, err)
153 readerMock.AssertCalled(t, "GetNodeb", ranName)
154 writerMock.AssertNumberOfCalls(t, "UpdateNodebInfo", 1)
155 writerMock.AssertNotCalled(t, "SaveE2TInstance", )
158 func TestUnconnectableRanUpdateNodebInfoFailure(t *testing.T) {
159 _, _, readerMock, writerMock, ranReconnectionManager := initRanLostConnectionTest(t)
161 origNodebInfo := &entities.NodebInfo{RanName: ranName, GlobalNbId: &entities.GlobalNbId{PlmnId: "xxx", NbId: "yyy"}, ConnectionStatus: entities.ConnectionStatus_SHUTTING_DOWN}
163 readerMock.On("GetNodeb", ranName).Return(origNodebInfo, rnibErr)
164 updatedNodebInfo := *origNodebInfo
165 updatedNodebInfo.ConnectionStatus = entities.ConnectionStatus_SHUT_DOWN
166 writerMock.On("UpdateNodebInfo", &updatedNodebInfo).Return(common.NewInternalError(errors.New("Error")))
167 err := ranReconnectionManager.ReconnectRan(ranName)
168 assert.NotNil(t, err)
169 readerMock.AssertCalled(t, "GetNodeb", ranName)
170 writerMock.AssertNumberOfCalls(t, "UpdateNodebInfo", 1)
173 func TestConnectedRanExecuteSetupSuccess(t *testing.T) {
174 _, rmrMessengerMock, readerMock, writerMock, ranReconnectionManager := initRanLostConnectionTest(t)
176 origNodebInfo := &entities.NodebInfo{RanName: ranName, GlobalNbId: &entities.GlobalNbId{PlmnId: "xxx", NbId: "yyy"}, ConnectionStatus: entities.ConnectionStatus_CONNECTED, E2ApplicationProtocol: entities.E2ApplicationProtocol_ENDC_X2_SETUP_REQUEST}
178 readerMock.On("GetNodeb", ranName).Return(origNodebInfo, rnibErr)
179 updatedNodebInfo := *origNodebInfo
180 updatedNodebInfo.ConnectionStatus = entities.ConnectionStatus_CONNECTING
181 updatedNodebInfo.ConnectionAttempts++
182 writerMock.On("UpdateNodebInfo", &updatedNodebInfo).Return(nil)
183 rmrMessengerMock.On("SendMsg", mock.Anything, true).Return(&rmrCgo.MBuf{}, nil)
184 err := ranReconnectionManager.ReconnectRan(ranName)
186 readerMock.AssertCalled(t, "GetNodeb", ranName)
187 writerMock.AssertNumberOfCalls(t, "UpdateNodebInfo", 1)
188 rmrMessengerMock.AssertNumberOfCalls(t, "SendMsg", 1)
191 func TestConnectedRanExecuteSetupFailure(t *testing.T) {
192 _, _, readerMock, writerMock, ranReconnectionManager := initRanLostConnectionTest(t)
194 origNodebInfo := &entities.NodebInfo{RanName: ranName, GlobalNbId: &entities.GlobalNbId{PlmnId: "xxx", NbId: "yyy"}, ConnectionStatus: entities.ConnectionStatus_CONNECTED}
196 readerMock.On("GetNodeb", ranName).Return(origNodebInfo, rnibErr)
197 updatedNodebInfo := *origNodebInfo
198 updatedNodebInfo.ConnectionStatus = entities.ConnectionStatus_CONNECTING
199 updatedNodebInfo.ConnectionAttempts++
200 writerMock.On("UpdateNodebInfo", &updatedNodebInfo).Return(common.NewInternalError(errors.New("Error")))
201 err := ranReconnectionManager.ReconnectRan(ranName)
202 assert.NotNil(t, err)
203 readerMock.AssertCalled(t, "GetNodeb", ranName)
204 writerMock.AssertNumberOfCalls(t, "UpdateNodebInfo", 1)
207 func TestNoSetConnectionStatus(t *testing.T) {
208 _, _, _, _, ranReconnectionManager := initRanLostConnectionTest(t)
209 nodebInfo := &entities.NodebInfo{RanName: "ranName", GlobalNbId: &entities.GlobalNbId{PlmnId: "xxx", NbId: "yyy"}, ConnectionStatus: entities.ConnectionStatus_CONNECTED}
210 err := ranReconnectionManager.updateUnconnectableRan(nodebInfo)
214 func initRmrSender(rmrMessengerMock *mocks.RmrMessengerMock, log *logger.Logger) *rmrsender.RmrSender {
215 rmrMessenger := rmrCgo.RmrMessenger(rmrMessengerMock)
216 rmrMessengerMock.On("Init", tests.GetPort(), tests.MaxMsgSize, tests.Flags, log).Return(&rmrMessenger)
217 return rmrsender.NewRmrSender(log, rmrMessenger)