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, *mocks.E2TInstancesManagerMock) {
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 e2tInstancesManagerMock := &mocks.E2TInstancesManagerMock{}
52 ranSetupManager := NewRanSetupManager(logger, rmrSender, rnibDataService)
53 ranReconnectionManager := NewRanReconnectionManager(logger, configuration.ParseConfiguration(), rnibDataService, ranSetupManager, e2tInstancesManagerMock)
54 return logger, rmrMessengerMock, readerMock, writerMock, ranReconnectionManager, e2tInstancesManagerMock
57 func TestRanReconnectionGetNodebFailure(t *testing.T) {
58 _, _, readerMock, writerMock, ranReconnectionManager, _ := initRanLostConnectionTest(t)
60 var nodebInfo *entities.NodebInfo
61 readerMock.On("GetNodeb", ranName).Return(nodebInfo, common.NewInternalError(errors.New("Error")))
62 err := ranReconnectionManager.ReconnectRan(ranName)
64 readerMock.AssertCalled(t, "GetNodeb", ranName)
65 writerMock.AssertNotCalled(t, "UpdateNodebInfo")
68 func TestShutdownRanReconnection(t *testing.T) {
69 _, _, readerMock, writerMock, ranReconnectionManager, _ := initRanLostConnectionTest(t)
71 origNodebInfo := &entities.NodebInfo{RanName: ranName, GlobalNbId: &entities.GlobalNbId{PlmnId: "xxx", NbId: "yyy"}, ConnectionStatus: entities.ConnectionStatus_SHUT_DOWN}
73 readerMock.On("GetNodeb", ranName).Return(origNodebInfo, rnibErr)
74 err := ranReconnectionManager.ReconnectRan(ranName)
76 readerMock.AssertCalled(t, "GetNodeb", ranName)
77 writerMock.AssertNotCalled(t, "UpdateNodebInfo")
80 func TestShuttingdownRanReconnection(t *testing.T) {
81 _, _, readerMock, writerMock, ranReconnectionManager, _ := initRanLostConnectionTest(t)
83 origNodebInfo := &entities.NodebInfo{RanName: ranName, GlobalNbId: &entities.GlobalNbId{PlmnId: "xxx", NbId: "yyy"}, ConnectionStatus: entities.ConnectionStatus_SHUTTING_DOWN}
85 readerMock.On("GetNodeb", ranName).Return(origNodebInfo, rnibErr)
86 updatedNodebInfo := *origNodebInfo
87 updatedNodebInfo.ConnectionStatus = entities.ConnectionStatus_SHUT_DOWN
88 writerMock.On("UpdateNodebInfo", &updatedNodebInfo).Return(rnibErr)
89 err := ranReconnectionManager.ReconnectRan(ranName)
91 readerMock.AssertCalled(t, "GetNodeb", ranName)
92 writerMock.AssertNumberOfCalls(t, "UpdateNodebInfo", 1)
95 func TestConnectingRanWithMaxAttemptsReconnectionDeassociateSucceeds(t *testing.T) {
96 _, _, readerMock, writerMock, ranReconnectionManager, e2tInstancesManagerMock := initRanLostConnectionTest(t)
98 e2tAddress := "10.0.2.15"
99 origNodebInfo := &entities.NodebInfo{RanName: ranName, GlobalNbId: &entities.GlobalNbId{PlmnId: "xxx", NbId: "yyy"}, ConnectionStatus: entities.ConnectionStatus_CONNECTING, ConnectionAttempts: 20, AssociatedE2TInstanceAddress: e2tAddress}
101 readerMock.On("GetNodeb", ranName).Return(origNodebInfo, rnibErr)
102 updatedNodebInfo := *origNodebInfo
103 updatedNodebInfo.ConnectionStatus = entities.ConnectionStatus_DISCONNECTED
104 updatedNodebInfo.AssociatedE2TInstanceAddress = ""
105 writerMock.On("UpdateNodebInfo", &updatedNodebInfo).Return(rnibErr)
106 e2tInstancesManagerMock.On("DissociateRan", ranName, e2tAddress).Return(nil)
107 err := ranReconnectionManager.ReconnectRan(ranName)
109 readerMock.AssertCalled(t, "GetNodeb", ranName)
110 writerMock.AssertNumberOfCalls(t, "UpdateNodebInfo", 1)
111 e2tInstancesManagerMock.AssertCalled(t, "DissociateRan", ranName, e2tAddress)
114 func TestConnectingRanWithMaxAttemptsReconnectionDeassociateFails(t *testing.T) {
115 _, _, readerMock, writerMock, ranReconnectionManager, e2tInstancesManagerMock := initRanLostConnectionTest(t)
117 e2tAddress := "10.0.2.15"
118 origNodebInfo := &entities.NodebInfo{RanName: ranName, GlobalNbId: &entities.GlobalNbId{PlmnId: "xxx", NbId: "yyy"}, ConnectionStatus: entities.ConnectionStatus_CONNECTING, ConnectionAttempts: 20, AssociatedE2TInstanceAddress: e2tAddress}
120 readerMock.On("GetNodeb", ranName).Return(origNodebInfo, rnibErr)
121 updatedNodebInfo := *origNodebInfo
122 updatedNodebInfo.ConnectionStatus = entities.ConnectionStatus_DISCONNECTED
123 updatedNodebInfo.AssociatedE2TInstanceAddress = ""
124 writerMock.On("UpdateNodebInfo", &updatedNodebInfo).Return(rnibErr)
125 e2tInstancesManagerMock.On("DissociateRan", ranName, e2tAddress).Return(common.NewInternalError(errors.New("Error")))
126 err := ranReconnectionManager.ReconnectRan(ranName)
127 assert.NotNil(t, err)
128 readerMock.AssertCalled(t, "GetNodeb", ranName)
129 writerMock.AssertNumberOfCalls(t, "UpdateNodebInfo", 1)
130 e2tInstancesManagerMock.AssertCalled(t, "DissociateRan", ranName, e2tAddress)
133 func TestUnconnectableRanUpdateNodebInfoFailure(t *testing.T) {
134 _, _, readerMock, writerMock, ranReconnectionManager, _ := initRanLostConnectionTest(t)
136 origNodebInfo := &entities.NodebInfo{RanName: ranName, GlobalNbId: &entities.GlobalNbId{PlmnId: "xxx", NbId: "yyy"}, ConnectionStatus: entities.ConnectionStatus_SHUTTING_DOWN}
138 readerMock.On("GetNodeb", ranName).Return(origNodebInfo, rnibErr)
139 updatedNodebInfo := *origNodebInfo
140 updatedNodebInfo.ConnectionStatus = entities.ConnectionStatus_SHUT_DOWN
141 writerMock.On("UpdateNodebInfo", &updatedNodebInfo).Return(common.NewInternalError(errors.New("Error")))
142 err := ranReconnectionManager.ReconnectRan(ranName)
143 assert.NotNil(t, err)
144 readerMock.AssertCalled(t, "GetNodeb", ranName)
145 writerMock.AssertNumberOfCalls(t, "UpdateNodebInfo", 1)
148 func TestConnectedRanExecuteSetupSuccess(t *testing.T) {
149 _, rmrMessengerMock, readerMock, writerMock, ranReconnectionManager, _ := initRanLostConnectionTest(t)
151 origNodebInfo := &entities.NodebInfo{RanName: ranName, GlobalNbId: &entities.GlobalNbId{PlmnId: "xxx", NbId: "yyy"}, ConnectionStatus: entities.ConnectionStatus_CONNECTED, E2ApplicationProtocol: entities.E2ApplicationProtocol_ENDC_X2_SETUP_REQUEST}
153 readerMock.On("GetNodeb", ranName).Return(origNodebInfo, rnibErr)
154 updatedNodebInfo := *origNodebInfo
155 updatedNodebInfo.ConnectionStatus = entities.ConnectionStatus_CONNECTING
156 updatedNodebInfo.ConnectionAttempts++
157 writerMock.On("UpdateNodebInfo", &updatedNodebInfo).Return(nil)
158 rmrMessengerMock.On("SendMsg", mock.Anything).Return(&rmrCgo.MBuf{}, nil)
159 err := ranReconnectionManager.ReconnectRan(ranName)
161 readerMock.AssertCalled(t, "GetNodeb", ranName)
162 writerMock.AssertNumberOfCalls(t, "UpdateNodebInfo", 1)
163 rmrMessengerMock.AssertNumberOfCalls(t, "SendMsg", 1)
166 func TestConnectedRanExecuteSetupFailure(t *testing.T) {
167 _, _, readerMock, writerMock, ranReconnectionManager, _ := initRanLostConnectionTest(t)
169 origNodebInfo := &entities.NodebInfo{RanName: ranName, GlobalNbId: &entities.GlobalNbId{PlmnId: "xxx", NbId: "yyy"}, ConnectionStatus: entities.ConnectionStatus_CONNECTED}
171 readerMock.On("GetNodeb", ranName).Return(origNodebInfo, rnibErr)
172 updatedNodebInfo := *origNodebInfo
173 updatedNodebInfo.ConnectionStatus = entities.ConnectionStatus_CONNECTING
174 updatedNodebInfo.ConnectionAttempts++
175 writerMock.On("UpdateNodebInfo", &updatedNodebInfo).Return(common.NewInternalError(errors.New("Error")))
176 err := ranReconnectionManager.ReconnectRan(ranName)
177 assert.NotNil(t, err)
178 readerMock.AssertCalled(t, "GetNodeb", ranName)
179 writerMock.AssertNumberOfCalls(t, "UpdateNodebInfo", 1)
182 func TestNoSetConnectionStatus(t *testing.T) {
183 _, _, _, _, ranReconnectionManager, _ := initRanLostConnectionTest(t)
184 nodebInfo := &entities.NodebInfo{RanName: "ranName", GlobalNbId: &entities.GlobalNbId{PlmnId: "xxx", NbId: "yyy"}, ConnectionStatus: entities.ConnectionStatus_CONNECTED}
185 err := ranReconnectionManager.updateUnconnectableRan(nodebInfo)
189 func initRmrSender(rmrMessengerMock *mocks.RmrMessengerMock, log *logger.Logger) *rmrsender.RmrSender {
190 rmrMessenger := rmrCgo.RmrMessenger(rmrMessengerMock)
191 rmrMessengerMock.On("Init", tests.GetPort(), tests.MaxMsgSize, tests.Flags, log).Return(&rmrMessenger)
192 return rmrsender.NewRmrSender(log, rmrMessenger)