E2Manager/managers/e2t_keep_alive_worker_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 //  This source code is part of the near-RT RIC (RAN Intelligent Controller)
  19 //  platform project (RICP).
  20
  21 package managers
  22
  23 import (
  24         "e2mgr/configuration"
  25         "e2mgr/logger"
  26         "e2mgr/mocks"
  27         "e2mgr/rmrCgo"
  28         "e2mgr/services"
  29         "gerrit.o-ran-sc.org/r/ric-plt/nodeb-rnib.git/common"
  30         "gerrit.o-ran-sc.org/r/ric-plt/nodeb-rnib.git/entities"
  31         "github.com/pkg/errors"
  32         "github.com/stretchr/testify/mock"
  33         "testing"
  34         "time"
  35 )
  36
  37 func initE2TKeepAliveTest(t *testing.T) (*mocks.RmrMessengerMock, *mocks.RnibReaderMock, *mocks.RnibWriterMock, *mocks.E2TShutdownManagerMock, *E2TKeepAliveWorker) {
  38         logger, err := logger.InitLogger(logger.DebugLevel)
  39         if err != nil {
  40                 t.Errorf("#... - failed to initialize logger, error: %s", err)
  41         }
  42         config := &configuration.Configuration{RnibRetryIntervalMs: 10, MaxRnibConnectionAttempts: 3, KeepAliveResponseTimeoutMs: 400, KeepAliveDelayMs: 100}
  43
  44         readerMock := &mocks.RnibReaderMock{}
  45         writerMock := &mocks.RnibWriterMock{}
  46         e2tShutdownManagerMock := &mocks.E2TShutdownManagerMock{}
  47
  48         rnibDataService := services.NewRnibDataService(logger, config, readerMock, writerMock)
  49         e2tInstancesManager := NewE2TInstancesManager(rnibDataService, logger)
  50
  51         rmrMessengerMock := &mocks.RmrMessengerMock{}
  52         rmrSender := initRmrSender(rmrMessengerMock, logger)
  53
  54         e2tKeepAliveWorker := NewE2TKeepAliveWorker(logger, rmrSender, e2tInstancesManager, e2tShutdownManagerMock, config)
  55
  56         return rmrMessengerMock, readerMock, writerMock, e2tShutdownManagerMock, &e2tKeepAliveWorker
  57 }
  58
  59 func TestSendKeepAliveRequest(t *testing.T) {
  60         rmrMessengerMock, _, _, _, e2tKeepAliveWorker := initE2TKeepAliveTest(t)
  61
  62         rmrMessengerMock.On("SendMsg", mock.Anything, false).Return(&rmrCgo.MBuf{}, nil)
  63
  64         e2tKeepAliveWorker.SendKeepAliveRequest()
  65
  66         var payload, xAction []byte
  67         req := rmrCgo.NewMBuf(rmrCgo.E2_TERM_KEEP_ALIVE_REQ, 0, "", &payload, &xAction)
  68
  69         rmrMessengerMock.AssertCalled(t, "SendMsg", req, false)
  70 }
  71
  72 func TestShutdownExpiredE2T_InternalError(t *testing.T) {
  73         rmrMessengerMock, readerMock, _, _, e2tKeepAliveWorker := initE2TKeepAliveTest(t)
  74
  75         readerMock.On("GetE2TAddresses").Return([]string{}, common.NewInternalError(errors.New("#reader.GetNodeb - Internal Error")))
  76
  77         e2tKeepAliveWorker.E2TKeepAliveExpired()
  78
  79         rmrMessengerMock.AssertNotCalled(t, "Shutdown")
  80 }
  81
  82 func TestShutdownExpiredE2T_NoAddresses(t *testing.T) {
  83         rmrMessengerMock, readerMock, _, _, e2tKeepAliveWorker := initE2TKeepAliveTest(t)
  84
  85         addresses := []string{}
  86
  87         readerMock.On("GetE2TAddresses").Return(addresses, nil)
  88
  89         e2tKeepAliveWorker.E2TKeepAliveExpired()
  90
  91         rmrMessengerMock.AssertNotCalled(t, "Shutdown")
  92 }
  93
  94 func TestShutdownExpiredE2T_NotExpired_InternalError(t *testing.T) {
  95         rmrMessengerMock, readerMock, _, _, e2tKeepAliveWorker := initE2TKeepAliveTest(t)
  96
  97         addresses := []string{E2TAddress,E2TAddress2}
  98         e2tInstance1 := entities.NewE2TInstance(E2TAddress, PodName)
  99         e2tInstance1.AssociatedRanList = []string{"test1","test2","test3"}
 100         e2tInstance2 := entities.NewE2TInstance(E2TAddress2, PodName)
 101         e2tInstance2.AssociatedRanList = []string{"test4","test5","test6", "test7"}
 102
 103         readerMock.On("GetE2TAddresses").Return(addresses, nil)
 104         readerMock.On("GetE2TInstances",addresses).Return([]*entities.E2TInstance{e2tInstance1, e2tInstance2}, common.NewInternalError(errors.New("#reader.GetNodeb - Internal Error")))
 105
 106         e2tKeepAliveWorker.E2TKeepAliveExpired()
 107
 108         rmrMessengerMock.AssertNotCalled(t, "Shutdown")
 109 }
 110
 111 func TestShutdownExpiredE2T_NoE2T(t *testing.T) {
 112         rmrMessengerMock, readerMock, _, _, e2tKeepAliveWorker := initE2TKeepAliveTest(t)
 113
 114         readerMock.On("GetE2TAddresses").Return([]string{}, common.NewResourceNotFoundError("not found"))
 115
 116         e2tKeepAliveWorker.E2TKeepAliveExpired()
 117
 118         rmrMessengerMock.AssertNotCalled(t, "Shutdown")
 119 }
 120
 121 func TestShutdownExpiredE2T_NotExpired(t *testing.T) {
 122         rmrMessengerMock, readerMock, _, _, e2tKeepAliveWorker := initE2TKeepAliveTest(t)
 123
 124         addresses := []string{E2TAddress,E2TAddress2}
 125         e2tInstance1 := entities.NewE2TInstance(E2TAddress, PodName)
 126         e2tInstance1.AssociatedRanList = []string{"test1","test2","test3"}
 127         e2tInstance2 := entities.NewE2TInstance(E2TAddress2, PodName)
 128         e2tInstance2.AssociatedRanList = []string{"test4","test5","test6", "test7"}
 129
 130         readerMock.On("GetE2TAddresses").Return(addresses, nil)
 131         readerMock.On("GetE2TInstances",addresses).Return([]*entities.E2TInstance{e2tInstance1, e2tInstance2}, nil)
 132
 133         e2tKeepAliveWorker.E2TKeepAliveExpired()
 134
 135         rmrMessengerMock.AssertNotCalled(t, "Shutdown")
 136 }
 137
 138 func TestShutdownExpiredE2T_One_E2TExpired(t *testing.T) {
 139         _, readerMock, _, e2tShutdownManagerMock, e2tKeepAliveWorker := initE2TKeepAliveTest(t)
 140
 141         addresses := []string{E2TAddress,E2TAddress2}
 142         e2tInstance1 := entities.NewE2TInstance(E2TAddress, PodName)
 143         e2tInstance1.AssociatedRanList = []string{"test1","test2","test3"}
 144
 145         time.Sleep(time.Duration(400) * time.Millisecond)
 146
 147         e2tInstance2 := entities.NewE2TInstance(E2TAddress2, PodName)
 148         e2tInstance2.AssociatedRanList = []string{"test4","test5","test6", "test7"}
 149
 150         readerMock.On("GetE2TAddresses").Return(addresses, nil)
 151         readerMock.On("GetE2TInstances",addresses).Return([]*entities.E2TInstance{e2tInstance1, e2tInstance2}, nil)
 152         e2tShutdownManagerMock.On("Shutdown", e2tInstance1).Return(nil)
 153
 154         e2tKeepAliveWorker.E2TKeepAliveExpired()
 155
 156         e2tShutdownManagerMock.AssertNumberOfCalls(t, "Shutdown", 1)
 157 }
 158
 159 func TestShutdownExpiredE2T_Two_E2TExpired(t *testing.T) {
 160         _, readerMock, _, e2tShutdownManagerMock, e2tKeepAliveWorker := initE2TKeepAliveTest(t)
 161
 162         addresses := []string{E2TAddress,E2TAddress2}
 163         e2tInstance1 := entities.NewE2TInstance(E2TAddress, PodName)
 164         e2tInstance1.AssociatedRanList = []string{"test1","test2","test3"}
 165
 166         e2tInstance2 := entities.NewE2TInstance(E2TAddress2, PodName)
 167         e2tInstance2.AssociatedRanList = []string{"test4","test5","test6", "test7"}
 168
 169         time.Sleep(time.Duration(400) * time.Millisecond)
 170
 171         readerMock.On("GetE2TAddresses").Return(addresses, nil)
 172         readerMock.On("GetE2TInstances",addresses).Return([]*entities.E2TInstance{e2tInstance1, e2tInstance2}, nil)
 173         e2tShutdownManagerMock.On("Shutdown", e2tInstance1).Return(nil)
 174         e2tShutdownManagerMock.On("Shutdown", e2tInstance2).Return(nil)
 175
 176         e2tKeepAliveWorker.E2TKeepAliveExpired()
 177
 178         e2tShutdownManagerMock.AssertNumberOfCalls(t, "Shutdown", 2)
 179 }
 180
 181 func TestExecute_Two_E2TExpired(t *testing.T) {
 182         rmrMessengerMock, readerMock, _, e2tShutdownManagerMock, e2tKeepAliveWorker := initE2TKeepAliveTest(t)
 183
 184         addresses := []string{E2TAddress,E2TAddress2}
 185         e2tInstance1 := entities.NewE2TInstance(E2TAddress, PodName)
 186         e2tInstance1.AssociatedRanList = []string{"test1","test2","test3"}
 187
 188         readerMock.On("GetE2TAddresses").Return(addresses, nil)
 189         readerMock.On("GetE2TInstances",addresses).Return([]*entities.E2TInstance{e2tInstance1}, nil)
 190         e2tShutdownManagerMock.On("Shutdown", e2tInstance1).Return(nil)
 191         rmrMessengerMock.On("SendMsg", mock.Anything, false).Return(&rmrCgo.MBuf{}, nil)
 192
 193         go e2tKeepAliveWorker.Execute()
 194
 195         time.Sleep(time.Duration(500) * time.Millisecond)
 196
 197         var payload, xAction []byte
 198         req := rmrCgo.NewMBuf(rmrCgo.E2_TERM_KEEP_ALIVE_REQ, 0, "", &payload, &xAction)
 199
 200         rmrMessengerMock.AssertCalled(t, "SendMsg", req, false)
 201         e2tShutdownManagerMock.AssertCalled(t, "Shutdown", e2tInstance1)
 202 }