E2Manager/managers/ran_reconnection_manager_test.go

   1 //
   2 // Copyright 2019 AT&T Intellectual Property
   3 // Copyright 2019 Nokia
   4 //
   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
   8 //
   9 //      http://www.apache.org/licenses/LICENSE-2.0
  10 //
  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.
  16 //
  17
  18 package managers
  19
  20 import (
  21         "e2mgr/configuration"
  22         "e2mgr/logger"
  23         "e2mgr/mocks"
  24         "e2mgr/models"
  25         "e2mgr/rNibWriter"
  26         "e2mgr/rmrCgo"
  27         "e2mgr/services"
  28         "e2mgr/sessions"
  29         "e2mgr/tests"
  30         "gerrit.o-ran-sc.org/r/ric-plt/nodeb-rnib.git/common"
  31         "gerrit.o-ran-sc.org/r/ric-plt/nodeb-rnib.git/entities"
  32         "gerrit.o-ran-sc.org/r/ric-plt/nodeb-rnib.git/reader"
  33         "github.com/pkg/errors"
  34         "github.com/stretchr/testify/assert"
  35         "testing"
  36 )
  37
  38 func initRanLostConnectionTest(t *testing.T) (*logger.Logger, *mocks.RnibReaderMock, *mocks.RnibWriterMock, *RanReconnectionManager) {
  39         logger, err := logger.InitLogger(logger.DebugLevel)
  40         if err != nil {
  41                 t.Errorf("#... - failed to initialize logger, error: %s", err)
  42         }
  43
  44         rmrService := getRmrService(&mocks.RmrMessengerMock{}, logger)
  45
  46         readerMock := &mocks.RnibReaderMock{}
  47         rnibReaderProvider := func() reader.RNibReader {
  48                 return readerMock
  49         }
  50         writerMock := &mocks.RnibWriterMock{}
  51         rnibWriterProvider := func() rNibWriter.RNibWriter {
  52                 return writerMock
  53         }
  54
  55         ranReconnectionManager := NewRanReconnectionManager(logger, configuration.ParseConfiguration(), rnibReaderProvider, rnibWriterProvider, rmrService)
  56         return logger, readerMock, writerMock, ranReconnectionManager
  57 }
  58
  59 func TestLostConnectionFetchingNodebFailure(t *testing.T) {
  60         _, readerMock, _, ranReconnectionManager := initRanLostConnectionTest(t)
  61         ranName := "test"
  62         var nodebInfo *entities.NodebInfo
  63         readerMock.On("GetNodeb", ranName).Return(nodebInfo, common.NewInternalError(errors.New("Error")))
  64         err := ranReconnectionManager.ReconnectRan(ranName)
  65         assert.NotNil(t, err)
  66 }
  67
  68 func TestLostConnectionUpdatingNodebForUnconnectableRanFailure(t *testing.T) {
  69         _, readerMock, writerMock, ranReconnectionManager := initRanLostConnectionTest(t)
  70         ranName := "test"
  71         origNodebInfo := &entities.NodebInfo{RanName: ranName, GlobalNbId: &entities.GlobalNbId{PlmnId: "xxx", NbId: "yyy"}, ConnectionStatus: entities.ConnectionStatus_SHUTTING_DOWN}
  72         var rnibErr common.IRNibError
  73         readerMock.On("GetNodeb", ranName).Return(origNodebInfo, rnibErr)
  74         updatedNodebInfo := *origNodebInfo
  75         updatedNodebInfo.ConnectionStatus = entities.ConnectionStatus_SHUT_DOWN
  76         writerMock.On("UpdateNodebInfo", &updatedNodebInfo).Return(common.NewInternalError(errors.New("Error")))
  77         err := ranReconnectionManager.ReconnectRan(ranName)
  78         assert.NotNil(t, err)
  79 }
  80
  81 func TestLostConnectionOfConnectedRanWithMaxAttempts(t *testing.T) {
  82         _, readerMock, writerMock, ranReconnectionManager := initRanLostConnectionTest(t)
  83         ranName := "test"
  84         origNodebInfo := &entities.NodebInfo{RanName: ranName, GlobalNbId: &entities.GlobalNbId{PlmnId: "xxx", NbId: "yyy"}, ConnectionStatus: entities.ConnectionStatus_CONNECTED, ConnectionAttempts: 20}
  85         var rnibErr common.IRNibError
  86         readerMock.On("GetNodeb", ranName).Return(origNodebInfo, rnibErr)
  87         updatedNodebInfo := *origNodebInfo
  88         updatedNodebInfo.ConnectionStatus = entities.ConnectionStatus_DISCONNECTED
  89         writerMock.On("UpdateNodebInfo", &updatedNodebInfo).Return(rnibErr)
  90         err := ranReconnectionManager.ReconnectRan(ranName)
  91         assert.Nil(t, err)
  92 }
  93
  94 func TestLostConnectionOfShutdownRan(t *testing.T) {
  95         _, readerMock, _, ranReconnectionManager := initRanLostConnectionTest(t)
  96         ranName := "test"
  97         origNodebInfo := &entities.NodebInfo{RanName: ranName, GlobalNbId: &entities.GlobalNbId{PlmnId: "xxx", NbId: "yyy"}, ConnectionStatus: entities.ConnectionStatus_SHUT_DOWN}
  98         var rnibErr common.IRNibError
  99         readerMock.On("GetNodeb", ranName).Return(origNodebInfo, rnibErr)
 100         err := ranReconnectionManager.ReconnectRan(ranName)
 101         assert.Nil(t, err)
 102 }
 103
 104 func TestLostConnectionOfShuttingdownRan(t *testing.T) {
 105         _, readerMock, writerMock, ranReconnectionManager := initRanLostConnectionTest(t)
 106         ranName := "test"
 107         origNodebInfo := &entities.NodebInfo{RanName: ranName, GlobalNbId: &entities.GlobalNbId{PlmnId: "xxx", NbId: "yyy"}, ConnectionStatus: entities.ConnectionStatus_SHUTTING_DOWN}
 108         var rnibErr common.IRNibError
 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)
 114         assert.Nil(t, err)
 115 }
 116
 117 // TODO: should extract to test_utils
 118 func getRmrService(rmrMessengerMock *mocks.RmrMessengerMock, log *logger.Logger) *services.RmrService {
 119         rmrMessenger := rmrCgo.RmrMessenger(rmrMessengerMock)
 120         messageChannel := make(chan *models.NotificationResponse)
 121         rmrMessengerMock.On("Init", tests.GetPort(), tests.MaxMsgSize, tests.Flags, log).Return(&rmrMessenger)
 122         return services.NewRmrService(services.NewRmrConfig(tests.Port, tests.MaxMsgSize, tests.Flags, log), rmrMessenger, make(sessions.E2Sessions), messageChannel)
 123 }