E2Manager/managers/e2t_association_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 package managers
  21
  22 import (
  23         "bytes"
  24         "e2mgr/clients"
  25         "e2mgr/configuration"
  26         "e2mgr/e2managererrors"
  27         "e2mgr/mocks"
  28         "e2mgr/models"
  29         "e2mgr/services"
  30         "encoding/json"
  31         "gerrit.o-ran-sc.org/r/ric-plt/nodeb-rnib.git/entities"
  32         "github.com/pkg/errors"
  33         "github.com/stretchr/testify/assert"
  34         "io/ioutil"
  35         "net/http"
  36         "testing"
  37 )
  38
  39 const RanName = "test"
  40 const BaseRMUrl = "http://10.10.2.15:12020/routingmanager"
  41
  42 func initE2TAssociationManagerTest(t *testing.T) (*E2TAssociationManager, *mocks.RnibReaderMock, *mocks.RnibWriterMock, *mocks.HttpClientMock) {
  43         log := initLog(t)
  44         config := &configuration.Configuration{RnibRetryIntervalMs: 10, MaxRnibConnectionAttempts: 3}
  45         config.RoutingManager.BaseUrl = BaseRMUrl
  46
  47         readerMock := &mocks.RnibReaderMock{}
  48         writerMock := &mocks.RnibWriterMock{}
  49         rnibDataService := services.NewRnibDataService(log, config, readerMock, writerMock)
  50
  51         e2tInstancesManager := NewE2TInstancesManager(rnibDataService, log)
  52         httpClientMock := &mocks.HttpClientMock{}
  53         rmClient := clients.NewRoutingManagerClient(log, config, httpClientMock)
  54         manager := NewE2TAssociationManager(log, rnibDataService, e2tInstancesManager, rmClient)
  55
  56         return manager, readerMock, writerMock, httpClientMock
  57 }
  58
  59 func mockHttpClientAssociateRan(httpClientMock *mocks.HttpClientMock, isSuccessful bool) {
  60         data := models.NewRoutingManagerE2TData(E2TAddress, RanName)
  61         marshaled, _ := json.Marshal(data)
  62         body := bytes.NewBuffer(marshaled)
  63         url := BaseRMUrl + clients.AssociateRanToE2TInstanceApiSuffix
  64         respBody := ioutil.NopCloser(bytes.NewBufferString(""))
  65         var respStatusCode int
  66         if isSuccessful {
  67                 respStatusCode = http.StatusCreated
  68         } else {
  69                 respStatusCode = http.StatusBadRequest
  70         }
  71         httpClientMock.On("Post", url, "application/json", body).Return(&http.Response{StatusCode: respStatusCode, Body: respBody}, nil)
  72 }
  73
  74 func TestAssociateRanSuccess(t *testing.T) {
  75         manager, readerMock, writerMock, httpClientMock := initE2TAssociationManagerTest(t)
  76         mockHttpClientAssociateRan(httpClientMock, true)
  77         nb := &entities.NodebInfo{RanName: RanName, AssociatedE2TInstanceAddress: "", ConnectionAttempts: 1}
  78         readerMock.On("GetNodeb", RanName).Return(nb, nil)
  79         updatedNb := *nb
  80         updatedNb.ConnectionAttempts = 0
  81         updatedNb.AssociatedE2TInstanceAddress = E2TAddress
  82         writerMock.On("UpdateNodebInfo", &updatedNb).Return(nil)
  83         e2tInstance := &entities.E2TInstance{Address: E2TAddress}
  84         readerMock.On("GetE2TInstance", E2TAddress).Return(e2tInstance, nil)
  85         updatedE2tInstance := *e2tInstance
  86         updatedE2tInstance.AssociatedRanList = append(updatedE2tInstance.AssociatedRanList, RanName)
  87         writerMock.On("SaveE2TInstance", &updatedE2tInstance).Return(nil)
  88
  89         err := manager.AssociateRan(E2TAddress, RanName)
  90
  91         assert.Nil(t, err)
  92         readerMock.AssertExpectations(t)
  93         writerMock.AssertExpectations(t)
  94         httpClientMock.AssertExpectations(t)
  95 }
  96
  97 func TestAssociateRanRoutingManagerError(t *testing.T) {
  98         manager, readerMock, writerMock, httpClientMock := initE2TAssociationManagerTest(t)
  99         mockHttpClientAssociateRan(httpClientMock, false)
 100
 101         err := manager.AssociateRan(E2TAddress, RanName)
 102
 103         assert.NotNil(t, err)
 104         assert.IsType(t, &e2managererrors.RoutingManagerError{}, err)
 105         readerMock.AssertExpectations(t)
 106         writerMock.AssertExpectations(t)
 107         httpClientMock.AssertExpectations(t)
 108 }
 109
 110 func TestAssociateRanGetNodebError(t *testing.T) {
 111         manager, readerMock, writerMock, httpClientMock := initE2TAssociationManagerTest(t)
 112         mockHttpClientAssociateRan(httpClientMock, true)
 113         var nb *entities.NodebInfo
 114         readerMock.On("GetNodeb", RanName).Return(nb, e2managererrors.NewRnibDbError())
 115
 116         err := manager.AssociateRan(E2TAddress, RanName)
 117
 118         assert.NotNil(t, err)
 119         assert.IsType(t, &e2managererrors.RnibDbError{}, err)
 120         readerMock.AssertExpectations(t)
 121         writerMock.AssertExpectations(t)
 122         httpClientMock.AssertExpectations(t)
 123 }
 124
 125 func TestAssociateRanUpdateNodebError(t *testing.T) {
 126         manager, readerMock, writerMock, httpClientMock := initE2TAssociationManagerTest(t)
 127         mockHttpClientAssociateRan(httpClientMock, true)
 128         nb := &entities.NodebInfo{RanName: RanName, AssociatedE2TInstanceAddress: "", ConnectionAttempts: 1}
 129         readerMock.On("GetNodeb", RanName).Return(nb, nil)
 130         updatedNb := *nb
 131         updatedNb.ConnectionAttempts = 0
 132         updatedNb.AssociatedE2TInstanceAddress = E2TAddress
 133         writerMock.On("UpdateNodebInfo", &updatedNb).Return(e2managererrors.NewRnibDbError())
 134
 135         err := manager.AssociateRan(E2TAddress, RanName)
 136
 137         assert.NotNil(t, err)
 138         assert.IsType(t, &e2managererrors.RnibDbError{}, err)
 139         readerMock.AssertExpectations(t)
 140         writerMock.AssertExpectations(t)
 141         httpClientMock.AssertExpectations(t)
 142 }
 143
 144 func TestAssociateRanGetE2tInstanceError(t *testing.T) {
 145         manager, readerMock, writerMock, httpClientMock := initE2TAssociationManagerTest(t)
 146         mockHttpClientAssociateRan(httpClientMock, true)
 147         nb := &entities.NodebInfo{RanName: RanName, AssociatedE2TInstanceAddress: "", ConnectionAttempts: 1}
 148         readerMock.On("GetNodeb", RanName).Return(nb, nil)
 149         updatedNb := *nb
 150         updatedNb.ConnectionAttempts = 0
 151         updatedNb.AssociatedE2TInstanceAddress = E2TAddress
 152         writerMock.On("UpdateNodebInfo", &updatedNb).Return(nil)
 153         var e2tInstance *entities.E2TInstance
 154         readerMock.On("GetE2TInstance", E2TAddress).Return(e2tInstance, errors.New("test"))
 155
 156         err := manager.AssociateRan(E2TAddress, RanName)
 157
 158         assert.NotNil(t, err)
 159         assert.IsType(t, &e2managererrors.RnibDbError{}, err)
 160         readerMock.AssertExpectations(t)
 161         writerMock.AssertExpectations(t)
 162         httpClientMock.AssertExpectations(t)
 163 }
 164
 165 func TestAssociateRanSaveE2tInstanceError(t *testing.T) {
 166         manager, readerMock, writerMock, httpClientMock := initE2TAssociationManagerTest(t)
 167         mockHttpClientAssociateRan(httpClientMock, true)
 168         nb := &entities.NodebInfo{RanName: RanName, AssociatedE2TInstanceAddress: "", ConnectionAttempts: 1}
 169         readerMock.On("GetNodeb", RanName).Return(nb, nil)
 170         updatedNb := *nb
 171         updatedNb.ConnectionAttempts = 0
 172         updatedNb.AssociatedE2TInstanceAddress = E2TAddress
 173         writerMock.On("UpdateNodebInfo", &updatedNb).Return(nil)
 174         e2tInstance := &entities.E2TInstance{Address: E2TAddress}
 175         readerMock.On("GetE2TInstance", E2TAddress).Return(e2tInstance, nil)
 176         updatedE2tInstance := *e2tInstance
 177         updatedE2tInstance.AssociatedRanList = append(updatedE2tInstance.AssociatedRanList, RanName)
 178         writerMock.On("SaveE2TInstance", &updatedE2tInstance).Return(errors.New("test"))
 179
 180         err := manager.AssociateRan(E2TAddress, RanName)
 181
 182         assert.NotNil(t, err)
 183         assert.IsType(t, &e2managererrors.RnibDbError{}, err)
 184         readerMock.AssertExpectations(t)
 185         writerMock.AssertExpectations(t)
 186         httpClientMock.AssertExpectations(t)
 187 }