E2Manager/managers/ran_setup_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 //  This source code is part of the near-RT RIC (RAN Intelligent Controller)
  18 //  platform project (RICP).
  19
  20
  21 package managers
  22
  23 import (
  24         "e2mgr/configuration"
  25         "e2mgr/e2managererrors"
  26         "e2mgr/e2pdus"
  27         "e2mgr/logger"
  28         "e2mgr/mocks"
  29         "e2mgr/rNibWriter"
  30         "e2mgr/rmrCgo"
  31         "e2mgr/services"
  32         "fmt"
  33         "gerrit.o-ran-sc.org/r/ric-plt/nodeb-rnib.git/common"
  34         "gerrit.o-ran-sc.org/r/ric-plt/nodeb-rnib.git/entities"
  35         "gerrit.o-ran-sc.org/r/ric-plt/nodeb-rnib.git/reader"
  36         "github.com/stretchr/testify/assert"
  37         "github.com/stretchr/testify/mock"
  38         "testing"
  39 )
  40
  41 func initRanSetupManagerTest(t *testing.T) (*mocks.RmrMessengerMock, *mocks.RnibWriterMock, *RanSetupManager) {
  42         logger, err := logger.InitLogger(logger.DebugLevel)
  43         if err != nil {
  44                 t.Errorf("#... - failed to initialize logger, error: %s", err)
  45         }
  46         config := &configuration.Configuration{RnibRetryIntervalMs: 10, MaxRnibConnectionAttempts: 3}
  47
  48         rmrMessengerMock := &mocks.RmrMessengerMock{}
  49         rmrSender := initRmrSender(rmrMessengerMock, logger)
  50
  51         readerMock := &mocks.RnibReaderMock{}
  52         rnibReaderProvider := func() reader.RNibReader {
  53                 return readerMock
  54         }
  55         writerMock := &mocks.RnibWriterMock{}
  56         rnibWriterProvider := func() rNibWriter.RNibWriter {
  57                 return writerMock
  58         }
  59         rnibDataService := services.NewRnibDataService(logger, config, rnibReaderProvider, rnibWriterProvider)
  60         ranSetupManager := NewRanSetupManager(logger, rmrSender, rnibDataService)
  61         return rmrMessengerMock, writerMock, ranSetupManager
  62 }
  63
  64 func TestExecuteSetupConnectingX2Setup(t *testing.T) {
  65         rmrMessengerMock, writerMock, mgr := initRanSetupManagerTest(t)
  66
  67         ranName := "test1"
  68
  69         var initialNodeb = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_CONNECTED, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST}
  70         var argNodeb = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_CONNECTING, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST, ConnectionAttempts: 1}
  71         var rnibErr error
  72         writerMock.On("UpdateNodebInfo", argNodeb).Return(rnibErr)
  73
  74         payload := e2pdus.PackedX2setupRequest
  75         xaction := []byte(ranName)
  76         msg := rmrCgo.NewMBuf(rmrCgo.RIC_X2_SETUP_REQ, len(payload), ranName, &payload, &xaction)
  77         rmrMessengerMock.On("SendMsg", mock.Anything).Return(msg, nil)
  78
  79         if err := mgr.ExecuteSetup(initialNodeb, entities.ConnectionStatus_CONNECTING); err != nil {
  80                 t.Errorf("want: success, got: error: %s", err)
  81         }
  82
  83         writerMock.AssertNumberOfCalls(t, "UpdateNodebInfo", 1)
  84         rmrMessengerMock.AssertNumberOfCalls(t, "SendMsg", 1)
  85 }
  86
  87 func TestExecuteSetupConnectingEndcX2Setup(t *testing.T) {
  88         rmrMessengerMock, writerMock, mgr := initRanSetupManagerTest(t)
  89
  90         ranName := "test1"
  91
  92                 var initialNodeb = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_CONNECTED, E2ApplicationProtocol: entities.E2ApplicationProtocol_ENDC_X2_SETUP_REQUEST}
  93         var argNodeb = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_CONNECTING, E2ApplicationProtocol: entities.E2ApplicationProtocol_ENDC_X2_SETUP_REQUEST, ConnectionAttempts: 1}
  94         var rnibErr error
  95         writerMock.On("UpdateNodebInfo", argNodeb).Return(rnibErr)
  96
  97         payload := e2pdus.PackedEndcX2setupRequest
  98         xaction := []byte(ranName)
  99         msg := rmrCgo.NewMBuf(rmrCgo.RIC_ENDC_X2_SETUP_REQ, len(payload), ranName, &payload, &xaction)
 100         rmrMessengerMock.On("SendMsg", mock.Anything).Return(msg, nil)
 101
 102         if err := mgr.ExecuteSetup(initialNodeb, entities.ConnectionStatus_CONNECTING); err != nil {
 103                 t.Errorf("want: success, got: error: %s", err)
 104         }
 105
 106         writerMock.AssertNumberOfCalls(t, "UpdateNodebInfo", 1)
 107         rmrMessengerMock.AssertNumberOfCalls(t, "SendMsg", 1)
 108 }
 109
 110 func TestExecuteSetupDisconnected(t *testing.T) {
 111         rmrMessengerMock, writerMock, mgr := initRanSetupManagerTest(t)
 112
 113         ranName := "test1"
 114
 115         var initialNodeb = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_CONNECTED, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST}
 116         var argNodeb = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_CONNECTING, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST, ConnectionAttempts: 1}
 117         var argNodebDisconnected = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_DISCONNECTED, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST, ConnectionAttempts: 0}
 118         var rnibErr error
 119         writerMock.On("UpdateNodebInfo", argNodeb).Return(rnibErr)
 120         writerMock.On("UpdateNodebInfo", argNodebDisconnected).Return(rnibErr)
 121
 122         payload := []byte{0}
 123         xaction := []byte(ranName)
 124         msg := rmrCgo.NewMBuf(rmrCgo.RIC_X2_SETUP_REQ, len(payload), ranName, &payload, &xaction)
 125         rmrMessengerMock.On("SendMsg", mock.Anything).Return(msg, fmt.Errorf("send failure"))
 126
 127         if err := mgr.ExecuteSetup(initialNodeb, entities.ConnectionStatus_CONNECTING); err == nil {
 128                 t.Errorf("want: failure, got: success")
 129         }
 130
 131         writerMock.AssertNumberOfCalls(t, "UpdateNodebInfo", 2)
 132         rmrMessengerMock.AssertNumberOfCalls(t, "SendMsg", 1)
 133 }
 134
 135 func TestExecuteSetupConnectingRnibError(t *testing.T) {
 136         rmrMessengerMock, writerMock, mgr := initRanSetupManagerTest(t)
 137
 138         ranName := "test1"
 139
 140         var initialNodeb = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_CONNECTED, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST}
 141         var argNodeb = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_CONNECTING, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST, ConnectionAttempts: 1}
 142         var argNodebDisconnected = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_DISCONNECTED, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST, ConnectionAttempts: 0}
 143         var rnibErr = common.NewInternalError(fmt.Errorf("DB error"))
 144         writerMock.On("UpdateNodebInfo", argNodeb).Return(rnibErr)
 145         writerMock.On("UpdateNodebInfo", argNodebDisconnected).Return(rnibErr)
 146
 147         payload := []byte{0}
 148         xaction := []byte(ranName)
 149         msg := rmrCgo.NewMBuf(rmrCgo.RIC_X2_SETUP_REQ, len(payload), ranName, &payload, &xaction)
 150         rmrMessengerMock.On("SendMsg", mock.Anything).Return(msg, fmt.Errorf("send failure"))
 151
 152         if err := mgr.ExecuteSetup(initialNodeb, entities.ConnectionStatus_CONNECTING); err == nil {
 153                 t.Errorf("want: failure, got: success")
 154         } else {
 155                 assert.IsType(t, e2managererrors.NewRnibDbError(), err)
 156         }
 157
 158         writerMock.AssertNumberOfCalls(t, "UpdateNodebInfo", 1)
 159         rmrMessengerMock.AssertNumberOfCalls(t, "SendMsg", 0)
 160 }
 161
 162 func TestExecuteSetupDisconnectedRnibError(t *testing.T) {
 163         rmrMessengerMock, writerMock, mgr := initRanSetupManagerTest(t)
 164
 165         ranName := "test1"
 166
 167         var initialNodeb = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_CONNECTED, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST}
 168         var argNodeb = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_CONNECTING, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST, ConnectionAttempts: 1}
 169         var argNodebDisconnected = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_DISCONNECTED, E2ApplicationProtocol: entities.E2ApplicationProtocol_X2_SETUP_REQUEST, ConnectionAttempts: 0}
 170         var rnibErr error
 171         writerMock.On("UpdateNodebInfo", argNodeb).Return(rnibErr)
 172         writerMock.On("UpdateNodebInfo", argNodebDisconnected).Return(common.NewInternalError(fmt.Errorf("DB error")))
 173
 174         payload := []byte{0}
 175         xaction := []byte(ranName)
 176         msg := rmrCgo.NewMBuf(rmrCgo.RIC_X2_SETUP_REQ, len(payload), ranName, &payload, &xaction)
 177         rmrMessengerMock.On("SendMsg", mock.Anything).Return(msg, fmt.Errorf("send failure"))
 178
 179         if err := mgr.ExecuteSetup(initialNodeb, entities.ConnectionStatus_CONNECTING); err == nil {
 180                 t.Errorf("want: failure, got: success")
 181         } else {
 182                 assert.IsType(t, e2managererrors.NewRnibDbError(), err)
 183         }
 184
 185         writerMock.AssertNumberOfCalls(t, "UpdateNodebInfo", 2)
 186         rmrMessengerMock.AssertNumberOfCalls(t, "SendMsg", 1)
 187 }
 188
 189 func TestExecuteSetupUnsupportedProtocol(t *testing.T) {
 190         rmrMessengerMock, writerMock, mgr := initRanSetupManagerTest(t)
 191
 192         ranName := "test1"
 193
 194         var initialNodeb = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_CONNECTED, E2ApplicationProtocol: entities.E2ApplicationProtocol_UNKNOWN_E2_APPLICATION_PROTOCOL}
 195         var argNodeb = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_CONNECTING, E2ApplicationProtocol: entities.E2ApplicationProtocol_UNKNOWN_E2_APPLICATION_PROTOCOL, ConnectionAttempts: 1}
 196         var rnibErr error
 197         writerMock.On("UpdateNodebInfo", argNodeb).Return(rnibErr)
 198
 199         payload := e2pdus.PackedX2setupRequest
 200         xaction := []byte(ranName)
 201         msg := rmrCgo.NewMBuf(rmrCgo.RIC_X2_SETUP_REQ, len(payload), ranName, &payload, &xaction)
 202         rmrMessengerMock.On("SendMsg", mock.Anything).Return(msg, nil)
 203
 204         if err := mgr.ExecuteSetup(initialNodeb, entities.ConnectionStatus_CONNECTING); err == nil {
 205                 t.Errorf("want: error, got: success")
 206         }
 207
 208         writerMock.AssertNumberOfCalls(t, "UpdateNodebInfo", 1)
 209         rmrMessengerMock.AssertNumberOfCalls(t, "SendMsg", 0)
 210 }
 211
 212 func initLog(t *testing.T) *logger.Logger {
 213         log, err := logger.InitLogger(logger.InfoLevel)
 214         if err != nil {
 215                 t.Errorf("#initLog test - failed to initialize logger, error: %s", err)
 216         }
 217         return log
 218 }