test/usecases/oruclosedlooprecovery/goversion/internal/linkfailure/linkfailurehandler_test.go

   1 // -
   2 //   ========================LICENSE_START=================================
   3 //   O-RAN-SC
   4 //   %%
   5 //   Copyright (C) 2021: Nordix Foundation
   6 //   %%
   7 //   Licensed under the Apache License, Version 2.0 (the "License");
   8 //   you may not use this file except in compliance with the License.
   9 //   You may obtain a copy of the License at
  10 //
  11 //        http://www.apache.org/licenses/LICENSE-2.0
  12 //
  13 //   Unless required by applicable law or agreed to in writing, software
  14 //   distributed under the License is distributed on an "AS IS" BASIS,
  15 //   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16 //   See the License for the specific language governing permissions and
  17 //   limitations under the License.
  18 //   ========================LICENSE_END===================================
  19 //
  20
  21 package linkfailure
  22
  23 import (
  24         "bytes"
  25         "encoding/json"
  26         "io/ioutil"
  27         "net/http"
  28         "net/http/httptest"
  29         "os"
  30         "testing"
  31
  32         log "github.com/sirupsen/logrus"
  33
  34         "github.com/stretchr/testify/mock"
  35         "github.com/stretchr/testify/require"
  36         "oransc.org/usecase/oruclosedloop/internal/repository"
  37         "oransc.org/usecase/oruclosedloop/internal/restclient"
  38         "oransc.org/usecase/oruclosedloop/internal/ves"
  39         "oransc.org/usecase/oruclosedloop/mocks"
  40 )
  41
  42 func Test_MessagesHandlerWithLinkFailure(t *testing.T) {
  43         log.SetLevel(log.DebugLevel)
  44         assertions := require.New(t)
  45
  46         var buf bytes.Buffer
  47         log.SetOutput(&buf)
  48         defer func() {
  49                 log.SetOutput(os.Stderr)
  50         }()
  51
  52         clientMock := mocks.HTTPClient{}
  53
  54         clientMock.On("Do", mock.Anything).Return(&http.Response{
  55                 StatusCode: http.StatusOK,
  56         }, nil)
  57
  58         restclient.Client = &clientMock
  59
  60         lookupServiceMock := mocks.LookupService{}
  61
  62         lookupServiceMock.On("GetODuID", mock.Anything).Return("HCL-O-DU-1122", nil)
  63
  64         handlerUnderTest := NewLinkFailureHandler(&lookupServiceMock, Configuration{
  65                 SDNRAddress:  "http://localhost:9990",
  66                 SDNRUser:     "admin",
  67                 SDNRPassword: "pwd",
  68         })
  69
  70         responseRecorder := httptest.NewRecorder()
  71         r := newRequest(http.MethodPost, "/", getFaultMessage("ERICSSON-O-RU-11220", "CRITICAL"), t)
  72         handler := http.HandlerFunc(handlerUnderTest.MessagesHandler)
  73         handler.ServeHTTP(responseRecorder, r)
  74         assertions.Equal(http.StatusOK, responseRecorder.Result().StatusCode)
  75
  76         var actualRequest *http.Request
  77         clientMock.AssertCalled(t, "Do", mock.MatchedBy(func(req *http.Request) bool {
  78                 actualRequest = req
  79                 return true
  80         }))
  81         assertions.Equal(http.MethodPut, actualRequest.Method)
  82         assertions.Equal("http", actualRequest.URL.Scheme)
  83         assertions.Equal("localhost:9990", actualRequest.URL.Host)
  84         expectedSdnrPath := "/rests/data/network-topology:network-topology/topology=topology-netconf/node=HCL-O-DU-1122/yang-ext:mount/o-ran-sc-du-hello-world:network-function/du-to-ru-connection=ERICSSON-O-RU-11220"
  85         assertions.Equal(expectedSdnrPath, actualRequest.URL.Path)
  86         assertions.Equal("application/json; charset=utf-8", actualRequest.Header.Get("Content-Type"))
  87         tempRequest, _ := http.NewRequest("", "", nil)
  88         tempRequest.SetBasicAuth("admin", "pwd")
  89         assertions.Equal(tempRequest.Header.Get("Authorization"), actualRequest.Header.Get("Authorization"))
  90         body, _ := ioutil.ReadAll(actualRequest.Body)
  91         expectedBody := []byte(`{"o-ran-sc-du-hello-world:du-to-ru-connection": [{"name":"ERICSSON-O-RU-11220","administrative-state":"UNLOCKED"}]}`)
  92         assertions.Equal(expectedBody, body)
  93         clientMock.AssertNumberOfCalls(t, "Do", 1)
  94
  95         logString := buf.String()
  96         assertions.Contains(logString, "Sent unlock message")
  97         assertions.Contains(logString, "O-RU: ERICSSON-O-RU-11220")
  98         assertions.Contains(logString, "O-DU: HCL-O-DU-1122")
  99 }
 100
 101 func newRequest(method string, url string, bodyAsBytes []byte, t *testing.T) *http.Request {
 102         body := ioutil.NopCloser(bytes.NewReader(bodyAsBytes))
 103         if req, err := http.NewRequest(method, url, body); err == nil {
 104                 return req
 105         } else {
 106                 t.Fatalf("Could not create request due to: %v", err)
 107                 return nil
 108         }
 109 }
 110
 111 func Test_MessagesHandlerWithClearLinkFailure(t *testing.T) {
 112         log.SetLevel(log.DebugLevel)
 113         assertions := require.New(t)
 114
 115         var buf bytes.Buffer
 116         log.SetOutput(&buf)
 117         defer func() {
 118                 log.SetOutput(os.Stderr)
 119         }()
 120
 121         lookupServiceMock := mocks.LookupService{}
 122
 123         lookupServiceMock.On("GetODuID", mock.Anything).Return("HCL-O-DU-1122", nil)
 124
 125         handlerUnderTest := NewLinkFailureHandler(&lookupServiceMock, Configuration{})
 126
 127         responseRecorder := httptest.NewRecorder()
 128         r := newRequest(http.MethodPost, "/", getFaultMessage("ERICSSON-O-RU-11220", "NORMAL"), t)
 129         handler := http.HandlerFunc(handlerUnderTest.MessagesHandler)
 130         handler.ServeHTTP(responseRecorder, r)
 131         assertions.Equal(http.StatusOK, responseRecorder.Result().StatusCode)
 132
 133         logString := buf.String()
 134         assertions.Contains(logString, "Cleared Link failure")
 135         assertions.Contains(logString, "O-RU ID: ERICSSON-O-RU-11220")
 136 }
 137
 138 func Test_MessagesHandlerWithLinkFailureUnmappedORU(t *testing.T) {
 139         log.SetLevel(log.DebugLevel)
 140         assertions := require.New(t)
 141
 142         var buf bytes.Buffer
 143         log.SetOutput(&buf)
 144         defer func() {
 145                 log.SetOutput(os.Stderr)
 146         }()
 147
 148         lookupServiceMock := mocks.LookupService{}
 149
 150         lookupServiceMock.On("GetODuID", mock.Anything).Return("", repository.IdNotMappedError{
 151                 Id: "ERICSSON-O-RU-11220",
 152         })
 153
 154         handlerUnderTest := NewLinkFailureHandler(&lookupServiceMock, Configuration{})
 155
 156         responseRecorder := httptest.NewRecorder()
 157         r := newRequest(http.MethodPost, "/", getFaultMessage("ERICSSON-O-RU-11220", "CRITICAL"), t)
 158         handler := http.HandlerFunc(handlerUnderTest.MessagesHandler)
 159         handler.ServeHTTP(responseRecorder, r)
 160         assertions.Equal(http.StatusOK, responseRecorder.Result().StatusCode)
 161
 162         logString := buf.String()
 163         assertions.Contains(logString, "O-RU-ID: ERICSSON-O-RU-11220 not mapped.")
 164 }
 165
 166 func getFaultMessage(sourceName string, eventSeverity string) []byte {
 167         linkFailureMessage := ves.FaultMessage{
 168                 Event: ves.Event{
 169                         CommonEventHeader: ves.CommonEventHeader{
 170                                 Domain:     "fault",
 171                                 SourceName: sourceName,
 172                         },
 173                         FaultFields: ves.FaultFields{
 174                                 AlarmCondition: "28",
 175                                 EventSeverity:  eventSeverity,
 176                         },
 177                 },
 178         }
 179         messageAsByteArray, _ := json.Marshal(linkFailureMessage)
 180         response := [1]string{string(messageAsByteArray)}
 181         responseAsByteArray, _ := json.Marshal(response)
 182         return responseAsByteArray
 183 }