// // Copyright 2019 AT&T Intellectual Property // Copyright 2019 Nokia // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. // This source code is part of the near-RT RIC (RAN Intelligent Controller) // platform project (RICP). package managers import ( "e2mgr/clients" "e2mgr/configuration" "e2mgr/logger" "e2mgr/mocks" "e2mgr/rmrCgo" "e2mgr/services" "e2mgr/services/rmrsender" "e2mgr/tests" "gerrit.o-ran-sc.org/r/ric-plt/nodeb-rnib.git/common" "gerrit.o-ran-sc.org/r/ric-plt/nodeb-rnib.git/entities" "github.com/pkg/errors" "github.com/stretchr/testify/assert" "testing" ) const ranName = "test" const e2tAddress = "10.10.2.15:9800" func initRanLostConnectionTest(t *testing.T) (*logger.Logger, *mocks.RmrMessengerMock, *mocks.RnibReaderMock, *mocks.RnibWriterMock, *RanDisconnectionManager, *mocks.HttpClientMock) { logger, err := logger.InitLogger(logger.DebugLevel) if err != nil { t.Errorf("#... - failed to initialize logger, error: %s", err) } config := &configuration.Configuration{RnibRetryIntervalMs: 10, MaxRnibConnectionAttempts: 3} rmrMessengerMock := &mocks.RmrMessengerMock{} readerMock := &mocks.RnibReaderMock{} writerMock := &mocks.RnibWriterMock{} rnibDataService := services.NewRnibDataService(logger, config, readerMock, writerMock) e2tInstancesManager := NewE2TInstancesManager(rnibDataService, logger) httpClient := &mocks.HttpClientMock{} routingManagerClient := clients.NewRoutingManagerClient(logger, config, httpClient) e2tAssociationManager := NewE2TAssociationManager(logger, rnibDataService, e2tInstancesManager, routingManagerClient) ranDisconnectionManager := NewRanDisconnectionManager(logger, configuration.ParseConfiguration(), rnibDataService, e2tAssociationManager) return logger, rmrMessengerMock, readerMock, writerMock, ranDisconnectionManager, httpClient } func TestRanDisconnectionGetNodebFailure(t *testing.T) { _, _, readerMock, writerMock, ranDisconnectionManager, _ := initRanLostConnectionTest(t) var nodebInfo *entities.NodebInfo readerMock.On("GetNodeb", ranName).Return(nodebInfo, common.NewInternalError(errors.New("Error"))) err := ranDisconnectionManager.DisconnectRan(ranName) assert.NotNil(t, err) readerMock.AssertCalled(t, "GetNodeb", ranName) writerMock.AssertNotCalled(t, "UpdateNodebInfo") } func TestShutdownRan(t *testing.T) { _, _, readerMock, writerMock, ranDisconnectionManager, _ := initRanLostConnectionTest(t) origNodebInfo := &entities.NodebInfo{RanName: ranName, GlobalNbId: &entities.GlobalNbId{PlmnId: "xxx", NbId: "yyy"}, ConnectionStatus: entities.ConnectionStatus_SHUT_DOWN} var rnibErr error readerMock.On("GetNodeb", ranName).Return(origNodebInfo, rnibErr) err := ranDisconnectionManager.DisconnectRan(ranName) assert.Nil(t, err) readerMock.AssertCalled(t, "GetNodeb", ranName) writerMock.AssertNotCalled(t, "UpdateNodebInfo") } func TestShuttingdownRan(t *testing.T) { _, _, readerMock, writerMock, ranDisconnectionManager, _ := initRanLostConnectionTest(t) origNodebInfo := &entities.NodebInfo{RanName: ranName, GlobalNbId: &entities.GlobalNbId{PlmnId: "xxx", NbId: "yyy"}, ConnectionStatus: entities.ConnectionStatus_SHUTTING_DOWN} var rnibErr error readerMock.On("GetNodeb", ranName).Return(origNodebInfo, rnibErr) updatedNodebInfo := *origNodebInfo updatedNodebInfo.ConnectionStatus = entities.ConnectionStatus_SHUT_DOWN writerMock.On("UpdateNodebInfo", &updatedNodebInfo).Return(rnibErr) err := ranDisconnectionManager.DisconnectRan(ranName) assert.Nil(t, err) readerMock.AssertCalled(t, "GetNodeb", ranName) writerMock.AssertNumberOfCalls(t, "UpdateNodebInfo", 1) } func TestShuttingDownRanUpdateNodebInfoFailure(t *testing.T) { _, _, readerMock, writerMock, ranDisconnectionManager, _ := initRanLostConnectionTest(t) origNodebInfo := &entities.NodebInfo{RanName: ranName, GlobalNbId: &entities.GlobalNbId{PlmnId: "xxx", NbId: "yyy"}, ConnectionStatus: entities.ConnectionStatus_SHUTTING_DOWN} var rnibErr error readerMock.On("GetNodeb", ranName).Return(origNodebInfo, rnibErr) updatedNodebInfo := *origNodebInfo updatedNodebInfo.ConnectionStatus = entities.ConnectionStatus_SHUT_DOWN writerMock.On("UpdateNodebInfo", &updatedNodebInfo).Return(common.NewInternalError(errors.New("Error"))) err := ranDisconnectionManager.DisconnectRan(ranName) assert.NotNil(t, err) readerMock.AssertCalled(t, "GetNodeb", ranName) writerMock.AssertNumberOfCalls(t, "UpdateNodebInfo", 1) } func TestConnectingRanUpdateNodebInfoFailure(t *testing.T) { _, _, readerMock, writerMock, ranDisconnectionManager, _ := initRanLostConnectionTest(t) origNodebInfo := &entities.NodebInfo{RanName: ranName, GlobalNbId: &entities.GlobalNbId{PlmnId: "xxx", NbId: "yyy"}, ConnectionStatus: entities.ConnectionStatus_CONNECTING} var rnibErr error readerMock.On("GetNodeb", ranName).Return(origNodebInfo, rnibErr) updatedNodebInfo := *origNodebInfo updatedNodebInfo.ConnectionStatus = entities.ConnectionStatus_DISCONNECTED writerMock.On("UpdateNodebInfo", &updatedNodebInfo).Return(common.NewInternalError(errors.New("Error"))) err := ranDisconnectionManager.DisconnectRan(ranName) assert.NotNil(t, err) readerMock.AssertCalled(t, "GetNodeb", ranName) writerMock.AssertNumberOfCalls(t, "UpdateNodebInfo", 1) } func TestConnectingRanDisconnectSucceeds(t *testing.T) { _, _, readerMock, writerMock, ranDisconnectionManager, httpClient := initRanLostConnectionTest(t) origNodebInfo := &entities.NodebInfo{RanName: ranName, GlobalNbId: &entities.GlobalNbId{PlmnId: "xxx", NbId: "yyy"}, ConnectionStatus: entities.ConnectionStatus_CONNECTING, AssociatedE2TInstanceAddress: E2TAddress} var rnibErr error readerMock.On("GetNodeb", ranName).Return(origNodebInfo, rnibErr) updatedNodebInfo1 := *origNodebInfo updatedNodebInfo1.ConnectionStatus = entities.ConnectionStatus_DISCONNECTED writerMock.On("UpdateNodebInfo", &updatedNodebInfo1).Return(rnibErr) updatedNodebInfo2 := *origNodebInfo updatedNodebInfo2.ConnectionStatus = entities.ConnectionStatus_DISCONNECTED updatedNodebInfo2.AssociatedE2TInstanceAddress = "" writerMock.On("UpdateNodebInfo", &updatedNodebInfo2).Return(rnibErr) e2tInstance := &entities.E2TInstance{Address: E2TAddress, AssociatedRanList: []string{ranName}} readerMock.On("GetE2TInstance", E2TAddress).Return(e2tInstance, nil) e2tInstanceToSave := * e2tInstance e2tInstanceToSave.AssociatedRanList = []string{} writerMock.On("SaveE2TInstance", &e2tInstanceToSave).Return(nil) mockHttpClient(httpClient, clients.DissociateRanE2TInstanceApiSuffix, true) err := ranDisconnectionManager.DisconnectRan(ranName) assert.Nil(t, err) readerMock.AssertCalled(t, "GetNodeb", ranName) writerMock.AssertNumberOfCalls(t, "UpdateNodebInfo", 2) } func TestConnectingRanDissociateFailsRmError(t *testing.T) { _, _, readerMock, writerMock, ranDisconnectionManager, httpClient := initRanLostConnectionTest(t) origNodebInfo := &entities.NodebInfo{RanName: ranName, GlobalNbId: &entities.GlobalNbId{PlmnId: "xxx", NbId: "yyy"}, ConnectionStatus: entities.ConnectionStatus_CONNECTING, AssociatedE2TInstanceAddress: E2TAddress} var rnibErr error readerMock.On("GetNodeb", ranName).Return(origNodebInfo, rnibErr) updatedNodebInfo1 := *origNodebInfo updatedNodebInfo1.ConnectionStatus = entities.ConnectionStatus_DISCONNECTED writerMock.On("UpdateNodebInfo", &updatedNodebInfo1).Return(rnibErr) updatedNodebInfo2 := *origNodebInfo updatedNodebInfo2.ConnectionStatus = entities.ConnectionStatus_DISCONNECTED updatedNodebInfo2.AssociatedE2TInstanceAddress = "" writerMock.On("UpdateNodebInfo", &updatedNodebInfo2).Return(rnibErr) e2tInstance := &entities.E2TInstance{Address: E2TAddress, AssociatedRanList: []string{ranName}} readerMock.On("GetE2TInstance", E2TAddress).Return(e2tInstance, nil) e2tInstanceToSave := * e2tInstance e2tInstanceToSave.AssociatedRanList = []string{} writerMock.On("SaveE2TInstance", &e2tInstanceToSave).Return(nil) mockHttpClient(httpClient, clients.DissociateRanE2TInstanceApiSuffix, false) err := ranDisconnectionManager.DisconnectRan(ranName) assert.Nil(t, err) readerMock.AssertCalled(t, "GetNodeb", ranName) writerMock.AssertNumberOfCalls(t, "UpdateNodebInfo", 2) } func TestConnectingRanDissociateFailsDbError(t *testing.T) { _, _, readerMock, writerMock, ranDisconnectionManager, _ := initRanLostConnectionTest(t) origNodebInfo := &entities.NodebInfo{RanName: ranName, GlobalNbId: &entities.GlobalNbId{PlmnId: "xxx", NbId: "yyy"}, ConnectionStatus: entities.ConnectionStatus_CONNECTING, AssociatedE2TInstanceAddress: e2tAddress} var rnibErr error readerMock.On("GetNodeb", ranName).Return(origNodebInfo, rnibErr) updatedNodebInfo1 := *origNodebInfo updatedNodebInfo1.ConnectionStatus = entities.ConnectionStatus_DISCONNECTED writerMock.On("UpdateNodebInfo", &updatedNodebInfo1).Return(rnibErr) updatedNodebInfo2 := *origNodebInfo updatedNodebInfo2.ConnectionStatus = entities.ConnectionStatus_DISCONNECTED updatedNodebInfo2.AssociatedE2TInstanceAddress = "" writerMock.On("UpdateNodebInfo", &updatedNodebInfo2).Return(rnibErr) e2tInstance := &entities.E2TInstance{Address: e2tAddress, AssociatedRanList: []string{ranName}} readerMock.On("GetE2TInstance", e2tAddress).Return(e2tInstance, common.NewInternalError(errors.New("Error"))) err := ranDisconnectionManager.DisconnectRan(ranName) assert.NotNil(t, err) readerMock.AssertCalled(t, "GetNodeb", ranName) writerMock.AssertNumberOfCalls(t, "UpdateNodebInfo", 2) writerMock.AssertNotCalled(t, "SaveE2TInstance", ) } func initRmrSender(rmrMessengerMock *mocks.RmrMessengerMock, log *logger.Logger) *rmrsender.RmrSender { rmrMessenger := rmrCgo.RmrMessenger(rmrMessengerMock) rmrMessengerMock.On("Init", tests.GetPort(), tests.MaxMsgSize, tests.Flags, log).Return(&rmrMessenger) return rmrsender.NewRmrSender(log, rmrMessenger) }