E2Manager/providers/rmrmsghandlerprovider/notification_handler_provider_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 package rmrmsghandlerprovider
  19
  20 import (
  21         "e2mgr/configuration"
  22         "e2mgr/logger"
  23         "e2mgr/managers"
  24         "e2mgr/mocks"
  25         "e2mgr/models"
  26         "e2mgr/rNibWriter"
  27         "e2mgr/services"
  28         "e2mgr/sessions"
  29         "e2mgr/tests"
  30         "fmt"
  31         "gerrit.o-ran-sc.org/r/ric-plt/nodeb-rnib.git/reader"
  32         "strings"
  33         "testing"
  34
  35         "e2mgr/handlers"
  36         "e2mgr/rmrCgo"
  37 )
  38
  39 /*
  40  * Verify support for known providers.
  41  */
  42
  43 func TestGetNotificationHandlerSuccess(t *testing.T) {
  44
  45         logger := initLog(t)
  46         rmrService := getRmrService(&mocks.RmrMessengerMock{}, logger)
  47
  48         readerMock := &mocks.RnibReaderMock{}
  49         rnibReaderProvider := func() reader.RNibReader {
  50                 return readerMock
  51         }
  52         writerMock := &mocks.RnibWriterMock{}
  53         rnibWriterProvider := func() rNibWriter.RNibWriter {
  54                 return writerMock
  55         }
  56
  57         ranReconnectionManager := managers.NewRanReconnectionManager(logger, configuration.ParseConfiguration(), rnibReaderProvider, rnibWriterProvider, rmrService)
  58
  59         var testCases = []struct {
  60                 msgType int
  61                 handler handlers.NotificationHandler
  62         }{
  63                 {rmrCgo.RIC_X2_SETUP_RESP /*successful x2 setup response*/, handlers.X2SetupResponseNotificationHandler{}},
  64                 {rmrCgo.RIC_X2_SETUP_FAILURE /*unsuccessful x2 setup response*/, handlers.X2SetupFailureResponseNotificationHandler{}},
  65                 {rmrCgo.RIC_ENDC_X2_SETUP_RESP /*successful en-dc x2 setup response*/, handlers.EndcX2SetupResponseNotificationHandler{}},
  66                 {rmrCgo.RIC_ENDC_X2_SETUP_FAILURE /*unsuccessful en-dc x2 setup response*/, handlers.EndcX2SetupFailureResponseNotificationHandler{}},
  67                 {rmrCgo.RIC_SCTP_CONNECTION_FAILURE /*sctp errors*/, handlers.NewRanLostConnectionHandler(ranReconnectionManager)},
  68                 {rmrCgo.RIC_ENB_LOAD_INFORMATION, handlers.NewEnbLoadInformationNotificationHandler(rnibWriterProvider)},
  69                 {rmrCgo.RIC_ENB_CONF_UPDATE, handlers.X2EnbConfigurationUpdateHandler{}},
  70                 {rmrCgo.RIC_ENDC_CONF_UPDATE, handlers.EndcConfigurationUpdateHandler{}},
  71                 {rmrCgo.RIC_E2_TERM_INIT,    handlers.NewE2TermInitNotificationHandler(ranReconnectionManager, rnibReaderProvider)},
  72         }
  73
  74         for _, tc := range testCases {
  75
  76                 provider := NewNotificationHandlerProvider(rnibReaderProvider, rnibWriterProvider, ranReconnectionManager)
  77                 t.Run(fmt.Sprintf("%d", tc.msgType), func(t *testing.T) {
  78                         handler, err := provider.GetNotificationHandler(tc.msgType)
  79                         if err != nil {
  80                                 t.Errorf("want: handler for message type %d, got: error %s", tc.msgType, err)
  81                         }
  82                         //Note struct is empty, so it will match any other empty struct.
  83                         // https://golang.org/ref/spec#Comparison_operators: Struct values are comparable if all their fields are comparable. Two struct values are equal if their corresponding non-blank fields are equal.
  84                         if /*handler != tc.handler &&*/ strings.Compare(fmt.Sprintf("%T", handler), fmt.Sprintf("%T", tc.handler)) != 0 {
  85                                 t.Errorf("want: handler %T for message type %d, got: %T", tc.handler, tc.msgType, handler)
  86                         }
  87                 })
  88         }
  89 }
  90
  91 /*
  92  * Verify handling of a request for an unsupported message.
  93  */
  94
  95 func TestGetNotificationHandlerFailure(t *testing.T) {
  96
  97         logger := initLog(t)
  98         rmrService := getRmrService(&mocks.RmrMessengerMock{}, logger)
  99
 100         var testCases = []struct {
 101                 msgType   int
 102                 errorText string
 103         }{
 104                 {9999 /*unknown*/, "notification handler not found"},
 105         }
 106         for _, tc := range testCases {
 107                 readerMock := &mocks.RnibReaderMock{}
 108                 rnibReaderProvider := func() reader.RNibReader {
 109                         return readerMock
 110                 }
 111                 writerMock := &mocks.RnibWriterMock{}
 112                 rnibWriterProvider := func() rNibWriter.RNibWriter {
 113                         return writerMock
 114                 }
 115
 116                 ranReconnectionManager := managers.NewRanReconnectionManager(logger, configuration.ParseConfiguration(), rnibReaderProvider, rnibWriterProvider, rmrService)
 117
 118                 provider := NewNotificationHandlerProvider(rnibReaderProvider, rnibWriterProvider, ranReconnectionManager)
 119                 t.Run(fmt.Sprintf("%d", tc.msgType), func(t *testing.T) {
 120                         _, err := provider.GetNotificationHandler(tc.msgType)
 121                         if err == nil {
 122                                 t.Errorf("want: no handler for message type %d, got: success", tc.msgType)
 123                         }
 124                         if !strings.Contains(fmt.Sprintf("%s", err), tc.errorText) {
 125                                 t.Errorf("want: error [%s] for message type %d, got: %s", tc.errorText, tc.msgType, err)
 126                         }
 127                 })
 128         }
 129 }
 130
 131 // TODO: extract to test_utils
 132 func getRmrService(rmrMessengerMock *mocks.RmrMessengerMock, log *logger.Logger) *services.RmrService {
 133         rmrMessenger := rmrCgo.RmrMessenger(rmrMessengerMock)
 134         messageChannel := make(chan *models.NotificationResponse)
 135         rmrMessengerMock.On("Init", tests.GetPort(), tests.MaxMsgSize, tests.Flags, log).Return(&rmrMessenger)
 136         return services.NewRmrService(services.NewRmrConfig(tests.Port, tests.MaxMsgSize, tests.Flags, log), rmrMessenger, make(sessions.E2Sessions), messageChannel)
 137 }
 138
 139 // TODO: extract to test_utils
 140 func initLog(t *testing.T) *logger.Logger {
 141         log, err := logger.InitLogger(logger.InfoLevel)
 142         if err != nil {
 143                 t.Errorf("#delete_all_request_handler_test.TestHandleSuccessFlow - failed to initialize logger, error: %s", err)
 144         }
 145         return log
 146 }