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/ves"
  38         "oransc.org/usecase/oruclosedloop/mocks"
  39 )
  40
  41 func Test_MessagesHandlerWithLinkFailure(t *testing.T) {
  42         log.SetLevel(log.DebugLevel)
  43         assertions := require.New(t)
  44
  45         var buf bytes.Buffer
  46         log.SetOutput(&buf)
  47         defer func() {
  48                 log.SetOutput(os.Stderr)
  49         }()
  50
  51         clientMock := mocks.HTTPClient{}
  52
  53         clientMock.On("Do", mock.Anything).Return(&http.Response{
  54                 StatusCode: http.StatusOK,
  55         }, nil)
  56
  57         lookupServiceMock := mocks.LookupService{}
  58
  59         lookupServiceMock.On("GetODuID", mock.Anything).Return("O-DU-1122", nil)
  60
  61         handlerUnderTest := NewLinkFailureHandler(&lookupServiceMock, Configuration{
  62                 SDNRAddress:  "http://localhost:9990",
  63                 SDNRUser:     "admin",
  64                 SDNRPassword: "pwd",
  65         }, &clientMock)
  66
  67         responseRecorder := httptest.NewRecorder()
  68         r := newRequest(http.MethodPost, "/", getFaultMessage("ERICSSON-O-RU-11220", "CRITICAL"), t)
  69         handler := http.HandlerFunc(handlerUnderTest.MessagesHandler)
  70         handler.ServeHTTP(responseRecorder, r)
  71         assertions.Equal(http.StatusOK, responseRecorder.Result().StatusCode)
  72
  73         var actualRequest *http.Request
  74         clientMock.AssertCalled(t, "Do", mock.MatchedBy(func(req *http.Request) bool {
  75                 actualRequest = req
  76                 return true
  77         }))
  78         assertions.Equal(http.MethodPut, actualRequest.Method)
  79         assertions.Equal("http", actualRequest.URL.Scheme)
  80         assertions.Equal("localhost:9990", actualRequest.URL.Host)
  81         expectedSdnrPath := "/rests/data/network-topology:network-topology/topology=topology-netconf/node=O-DU-1122/yang-ext:mount/o-ran-sc-du-hello-world:network-function/distributed-unit-functions=O-DU-1122/radio-resource-management-policy-ratio=rrm-pol-1"
  82         assertions.Equal(expectedSdnrPath, actualRequest.URL.Path)
  83         assertions.Equal("application/json; charset=utf-8", actualRequest.Header.Get("Content-Type"))
  84         tempRequest, _ := http.NewRequest("", "", nil)
  85         tempRequest.SetBasicAuth("admin", "pwd")
  86         assertions.Equal(tempRequest.Header.Get("Authorization"), actualRequest.Header.Get("Authorization"))
  87         body, _ := ioutil.ReadAll(actualRequest.Body)
  88         expectedBody := []byte(`{"o-ran-sc-du-hello-world:radio-resource-management-policy-ratio":[{"id":"rrm-pol-1","radio-resource-management-policy-max-ratio":25,"radio-resource-management-policy-members":[{"mobile-country-code":"310","mobile-network-code":"150","slice-differentiator":1,"slice-service-type":1}],"radio-resource-management-policy-min-ratio":15,"user-label":"rrm-pol-1","resource-type":"prb","radio-resource-management-policy-dedicated-ratio":20,"administrative-state":"unlocked"}]}`)
  89         assertions.Equal(expectedBody, body)
  90         clientMock.AssertNumberOfCalls(t, "Do", 1)
  91
  92         logString := buf.String()
  93         assertions.Contains(logString, "Sent unlock message")
  94         assertions.Contains(logString, "O-RU: ERICSSON-O-RU-11220")
  95         assertions.Contains(logString, "O-DU: O-DU-1122")
  96 }
  97
  98 func newRequest(method string, url string, bodyAsBytes []byte, t *testing.T) *http.Request {
  99         body := ioutil.NopCloser(bytes.NewReader(bodyAsBytes))
 100         if req, err := http.NewRequest(method, url, body); err == nil {
 101                 return req
 102         } else {
 103                 t.Fatalf("Could not create request due to: %v", err)
 104                 return nil
 105         }
 106 }
 107
 108 func Test_MessagesHandlerWithClearLinkFailure(t *testing.T) {
 109         log.SetLevel(log.DebugLevel)
 110         assertions := require.New(t)
 111
 112         var buf bytes.Buffer
 113         log.SetOutput(&buf)
 114         defer func() {
 115                 log.SetOutput(os.Stderr)
 116         }()
 117
 118         lookupServiceMock := mocks.LookupService{}
 119
 120         lookupServiceMock.On("GetODuID", mock.Anything).Return("O-DU-1122", nil)
 121
 122         handlerUnderTest := NewLinkFailureHandler(&lookupServiceMock, Configuration{}, nil)
 123
 124         responseRecorder := httptest.NewRecorder()
 125         r := newRequest(http.MethodPost, "/", getFaultMessage("ERICSSON-O-RU-11220", "NORMAL"), t)
 126         handler := http.HandlerFunc(handlerUnderTest.MessagesHandler)
 127         handler.ServeHTTP(responseRecorder, r)
 128         assertions.Equal(http.StatusOK, responseRecorder.Result().StatusCode)
 129
 130         logString := buf.String()
 131         assertions.Contains(logString, "Cleared Link failure")
 132         assertions.Contains(logString, "O-RU ID: ERICSSON-O-RU-11220")
 133 }
 134
 135 func Test_MessagesHandlerWithLinkFailureUnmappedORU(t *testing.T) {
 136         log.SetLevel(log.DebugLevel)
 137         assertions := require.New(t)
 138
 139         var buf bytes.Buffer
 140         log.SetOutput(&buf)
 141         defer func() {
 142                 log.SetOutput(os.Stderr)
 143         }()
 144
 145         lookupServiceMock := mocks.LookupService{}
 146
 147         lookupServiceMock.On("GetODuID", mock.Anything).Return("", repository.IdNotMappedError{
 148                 Id: "ERICSSON-O-RU-11220",
 149         })
 150
 151         handlerUnderTest := NewLinkFailureHandler(&lookupServiceMock, Configuration{}, nil)
 152
 153         responseRecorder := httptest.NewRecorder()
 154         r := newRequest(http.MethodPost, "/", getFaultMessage("ERICSSON-O-RU-11220", "CRITICAL"), t)
 155         handler := http.HandlerFunc(handlerUnderTest.MessagesHandler)
 156         handler.ServeHTTP(responseRecorder, r)
 157         assertions.Equal(http.StatusOK, responseRecorder.Result().StatusCode)
 158
 159         logString := buf.String()
 160         assertions.Contains(logString, "O-RU-ID: ERICSSON-O-RU-11220 not mapped.")
 161 }
 162
 163 func getFaultMessage(sourceName string, eventSeverity string) []byte {
 164         linkFailureMessage := ves.FaultMessage{
 165                 Event: ves.Event{
 166                         CommonEventHeader: ves.CommonEventHeader{
 167                                 Domain:     "fault",
 168                                 SourceName: sourceName,
 169                         },
 170                         FaultFields: ves.FaultFields{
 171                                 AlarmCondition: "28",
 172                                 EventSeverity:  eventSeverity,
 173                         },
 174                 },
 175         }
 176         messageAsByteArray, _ := json.Marshal(linkFailureMessage)
 177         response := [1]string{string(messageAsByteArray)}
 178         responseAsByteArray, _ := json.Marshal(response)
 179         return responseAsByteArray
 180 }