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         "unsafe"
  36 )
  37
  38 func initE2TKeepAliveTest(t *testing.T) (*mocks.RmrMessengerMock, *mocks.RnibReaderMock, *mocks.RnibWriterMock, *mocks.E2TShutdownManagerMock, *E2TKeepAliveWorker) {
  39         logger, err := logger.InitLogger(logger.DebugLevel)
  40         if err != nil {
  41                 t.Errorf("#... - failed to initialize logger, error: %s", err)
  42         }
  43         config := &configuration.Configuration{RnibRetryIntervalMs: 10, MaxRnibConnectionAttempts: 3, KeepAliveResponseTimeoutMs: 400, KeepAliveDelayMs: 100}
  44
  45         readerMock := &mocks.RnibReaderMock{}
  46         writerMock := &mocks.RnibWriterMock{}
  47         e2tShutdownManagerMock := &mocks.E2TShutdownManagerMock{}
  48
  49         rnibDataService := services.NewRnibDataService(logger, config, readerMock, writerMock)
  50         e2tInstancesManager := NewE2TInstancesManager(rnibDataService, logger)
  51
  52         rmrMessengerMock := &mocks.RmrMessengerMock{}
  53         rmrSender := initRmrSender(rmrMessengerMock, logger)
  54
  55         e2tKeepAliveWorker := NewE2TKeepAliveWorker(logger, rmrSender, e2tInstancesManager, e2tShutdownManagerMock, config)
  56
  57         return rmrMessengerMock, readerMock, writerMock, e2tShutdownManagerMock, &e2tKeepAliveWorker
  58 }
  59
  60 func TestSendKeepAliveRequest(t *testing.T) {
  61         rmrMessengerMock, _, _, _, e2tKeepAliveWorker := initE2TKeepAliveTest(t)
  62
  63         rmrMessengerMock.On("SendMsg", mock.Anything, false).Return(&rmrCgo.MBuf{}, nil)
  64
  65         e2tKeepAliveWorker.SendKeepAliveRequest()
  66
  67         var payload, xAction []byte
  68         var msgSrc unsafe.Pointer
  69         req := rmrCgo.NewMBuf(rmrCgo.E2_TERM_KEEP_ALIVE_REQ, 0, "", &payload, &xAction, msgSrc)
  70
  71         rmrMessengerMock.AssertCalled(t, "SendMsg", req, false)
  72 }
  73
  74 func TestShutdownExpiredE2T_InternalError(t *testing.T) {
  75         rmrMessengerMock, readerMock, _, _, e2tKeepAliveWorker := initE2TKeepAliveTest(t)
  76
  77         readerMock.On("GetE2TAddresses").Return([]string{}, common.NewInternalError(errors.New("#reader.GetNodeb - Internal Error")))
  78
  79         e2tKeepAliveWorker.E2TKeepAliveExpired()
  80
  81         rmrMessengerMock.AssertNotCalled(t, "Shutdown")
  82 }
  83
  84 func TestShutdownExpiredE2T_NoAddresses(t *testing.T) {
  85         rmrMessengerMock, readerMock, _, _, e2tKeepAliveWorker := initE2TKeepAliveTest(t)
  86
  87         addresses := []string{}
  88
  89         readerMock.On("GetE2TAddresses").Return(addresses, nil)
  90
  91         e2tKeepAliveWorker.E2TKeepAliveExpired()
  92
  93         rmrMessengerMock.AssertNotCalled(t, "Shutdown")
  94 }
  95
  96 func TestShutdownExpiredE2T_NotExpired_InternalError(t *testing.T) {
  97         rmrMessengerMock, readerMock, _, _, e2tKeepAliveWorker := initE2TKeepAliveTest(t)
  98
  99         addresses := []string{E2TAddress,E2TAddress2}
 100         e2tInstance1 := entities.NewE2TInstance(E2TAddress, PodName)
 101         e2tInstance1.AssociatedRanList = []string{"test1","test2","test3"}
 102         e2tInstance2 := entities.NewE2TInstance(E2TAddress2, PodName)
 103         e2tInstance2.AssociatedRanList = []string{"test4","test5","test6", "test7"}
 104
 105         readerMock.On("GetE2TAddresses").Return(addresses, nil)
 106         readerMock.On("GetE2TInstances",addresses).Return([]*entities.E2TInstance{e2tInstance1, e2tInstance2}, common.NewInternalError(errors.New("#reader.GetNodeb - Internal Error")))
 107
 108         e2tKeepAliveWorker.E2TKeepAliveExpired()
 109
 110         rmrMessengerMock.AssertNotCalled(t, "Shutdown")
 111 }
 112
 113 func TestShutdownExpiredE2T_NoE2T(t *testing.T) {
 114         rmrMessengerMock, readerMock, _, _, e2tKeepAliveWorker := initE2TKeepAliveTest(t)
 115
 116         readerMock.On("GetE2TAddresses").Return([]string{}, common.NewResourceNotFoundError("not found"))
 117
 118         e2tKeepAliveWorker.E2TKeepAliveExpired()
 119
 120         rmrMessengerMock.AssertNotCalled(t, "Shutdown")
 121 }
 122
 123 func TestShutdownExpiredE2T_NotExpired(t *testing.T) {
 124         rmrMessengerMock, readerMock, _, _, e2tKeepAliveWorker := initE2TKeepAliveTest(t)
 125
 126         addresses := []string{E2TAddress,E2TAddress2}
 127         e2tInstance1 := entities.NewE2TInstance(E2TAddress, PodName)
 128         e2tInstance1.AssociatedRanList = []string{"test1","test2","test3"}
 129         e2tInstance2 := entities.NewE2TInstance(E2TAddress2, PodName)
 130         e2tInstance2.AssociatedRanList = []string{"test4","test5","test6", "test7"}
 131
 132         readerMock.On("GetE2TAddresses").Return(addresses, nil)
 133         readerMock.On("GetE2TInstances",addresses).Return([]*entities.E2TInstance{e2tInstance1, e2tInstance2}, nil)
 134
 135         e2tKeepAliveWorker.E2TKeepAliveExpired()
 136
 137         rmrMessengerMock.AssertNotCalled(t, "Shutdown")
 138 }
 139
 140 func TestShutdownExpiredE2T_One_E2TExpired(t *testing.T) {
 141         _, readerMock, _, e2tShutdownManagerMock, e2tKeepAliveWorker := initE2TKeepAliveTest(t)
 142
 143         addresses := []string{E2TAddress,E2TAddress2}
 144         e2tInstance1 := entities.NewE2TInstance(E2TAddress, PodName)
 145         e2tInstance1.AssociatedRanList = []string{"test1","test2","test3"}
 146
 147         time.Sleep(time.Duration(400) * time.Millisecond)
 148
 149         e2tInstance2 := entities.NewE2TInstance(E2TAddress2, PodName)
 150         e2tInstance2.AssociatedRanList = []string{"test4","test5","test6", "test7"}
 151
 152         readerMock.On("GetE2TAddresses").Return(addresses, nil)
 153         readerMock.On("GetE2TInstances",addresses).Return([]*entities.E2TInstance{e2tInstance1, e2tInstance2}, nil)
 154         e2tShutdownManagerMock.On("Shutdown", e2tInstance1).Return(nil)
 155
 156         e2tKeepAliveWorker.E2TKeepAliveExpired()
 157
 158         e2tShutdownManagerMock.AssertNumberOfCalls(t, "Shutdown", 1)
 159 }
 160
 161 func TestShutdownExpiredE2T_Two_E2TExpired(t *testing.T) {
 162         _, readerMock, _, e2tShutdownManagerMock, e2tKeepAliveWorker := initE2TKeepAliveTest(t)
 163
 164         addresses := []string{E2TAddress,E2TAddress2}
 165         e2tInstance1 := entities.NewE2TInstance(E2TAddress, PodName)
 166         e2tInstance1.AssociatedRanList = []string{"test1","test2","test3"}
 167
 168         e2tInstance2 := entities.NewE2TInstance(E2TAddress2, PodName)
 169         e2tInstance2.AssociatedRanList = []string{"test4","test5","test6", "test7"}
 170
 171         time.Sleep(time.Duration(400) * time.Millisecond)
 172
 173         readerMock.On("GetE2TAddresses").Return(addresses, nil)
 174         readerMock.On("GetE2TInstances",addresses).Return([]*entities.E2TInstance{e2tInstance1, e2tInstance2}, nil)
 175         e2tShutdownManagerMock.On("Shutdown", e2tInstance1).Return(nil)
 176         e2tShutdownManagerMock.On("Shutdown", e2tInstance2).Return(nil)
 177
 178         e2tKeepAliveWorker.E2TKeepAliveExpired()
 179
 180         e2tShutdownManagerMock.AssertNumberOfCalls(t, "Shutdown", 2)
 181 }
 182
 183 func TestExecute_Two_E2TExpired(t *testing.T) {
 184         rmrMessengerMock, readerMock, _, e2tShutdownManagerMock, e2tKeepAliveWorker := initE2TKeepAliveTest(t)
 185
 186         addresses := []string{E2TAddress,E2TAddress2}
 187         e2tInstance1 := entities.NewE2TInstance(E2TAddress, PodName)
 188         e2tInstance1.AssociatedRanList = []string{"test1","test2","test3"}
 189
 190         readerMock.On("GetE2TAddresses").Return(addresses, nil)
 191         readerMock.On("GetE2TInstances",addresses).Return([]*entities.E2TInstance{e2tInstance1}, nil)
 192         e2tShutdownManagerMock.On("Shutdown", e2tInstance1).Return(nil)
 193         rmrMessengerMock.On("SendMsg", mock.Anything, false).Return(&rmrCgo.MBuf{}, nil)
 194
 195         go e2tKeepAliveWorker.Execute()
 196
 197         time.Sleep(time.Duration(500) * time.Millisecond)
 198
 199         var payload, xAction []byte
 200         var msgSrc unsafe.Pointer
 201         req := rmrCgo.NewMBuf(rmrCgo.E2_TERM_KEEP_ALIVE_REQ, 0, "", &payload, &xAction, msgSrc)
 202
 203         rmrMessengerMock.AssertCalled(t, "SendMsg", req, false)
 204         e2tShutdownManagerMock.AssertCalled(t, "Shutdown", e2tInstance1)
 205 }