E2Manager/e2pdus/x2_setup_requests_test.go

   1 /*
   2  *   Copyright (c) 2019 AT&T Intellectual Property.
   3  *
   4  *   Licensed under the Apache License, Version 2.0 (the "License");
   5  *   you may not use this file except in compliance with the License.
   6  *   You may obtain a copy of the License at
   7  *
   8  *       http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  *   Unless required by applicable law or agreed to in writing, software
  11  *   distributed under the License is distributed on an "AS IS" BASIS,
  12  *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  *   See the License for the specific language governing permissions and
  14  *   limitations under the License.
  15  */
  16
  17 /*
  18  * This source code is part of the near-RT RIC (RAN Intelligent Controller)
  19  * platform project (RICP).
  20  */
  21
  22 package e2pdus
  23
  24 import (
  25         "bytes"
  26         "fmt"
  27         "strings"
  28         "testing"
  29 )
  30
  31
  32 func TestParseRicId(t *testing.T) {
  33         var testCases = []struct {
  34                 ricId       string
  35                 pLMNId      []byte
  36                 eNBId       []byte
  37                 eNBIdBitqty uint
  38                 failure     error
  39         }{
  40                 {
  41                         ricId:       "bbbccc-abcd02/18",
  42                         pLMNId:      []byte{0xbb, 0xbc, 0xcc},
  43                         eNBId:       []byte{0xab, 0xcd, 0x2}, /*00000010 -> 10000000*/
  44                         eNBIdBitqty: ShortMacro_eNB_ID,
  45                 },
  46                 {
  47                         ricId:       "bbbccc-abcd0e/20",
  48                         pLMNId:      []byte{0xbb, 0xbc, 0xcc},
  49                         eNBId:       []byte{0xab, 0xcd, 0xe},
  50                         eNBIdBitqty: Macro_eNB_ID,
  51                 },
  52                 {
  53                         ricId:       "bbbccc-abcd07/21",
  54                         pLMNId:      []byte{0xbb, 0xbc, 0xcc},
  55                         eNBId:       []byte{0xab, 0xcd, 0x7}, /*00000111 -> 00111000*/
  56                         eNBIdBitqty: LongMacro_eNB_ID,
  57                 },
  58                 {
  59                         ricId:       "bbbccc-abcdef08/28",
  60                         pLMNId:      []byte{0xbb, 0xbc, 0xcc},
  61                         eNBId:       []byte{0xab, 0xcd, 0xef, 0x8},
  62                         eNBIdBitqty: Home_eNB_ID,
  63                 },
  64                 {
  65                         ricId:   "",
  66                         failure: fmt.Errorf("unable to extract the value of RIC_ID: EOF"),
  67                 },
  68
  69                 {
  70                         ricId:   "bbbccc",
  71                         failure: fmt.Errorf("unable to extract the value of RIC_ID: unexpected EOF"),
  72                 },
  73                 {
  74                         ricId:   "bbbccc-",
  75                         failure: fmt.Errorf("unable to extract the value of RIC_ID: EOF"),
  76                 },
  77                 {
  78                         ricId:   "-bbbccc",
  79                         failure: fmt.Errorf("%s", "unable to extract the value of RIC_ID: no hex data for %x string"),
  80                 },
  81                 {
  82                         ricId:   "/20",
  83                         failure: fmt.Errorf("%s", "unable to extract the value of RIC_ID: no hex data for %x string"),
  84                 },
  85                 {
  86                         ricId:   "bbbcccdd-abcdef08/28", // pLMNId too long
  87                         failure: fmt.Errorf("unable to extract the value of RIC_ID: input does not match format"),
  88                 },
  89                 {
  90                         ricId:   "bbbccc-abcdef0809/28", // eNBId too long
  91                         failure: fmt.Errorf("unable to extract the value of RIC_ID: input does not match format"),
  92                 },
  93
  94                 {
  95                         ricId:   "bbbc-abcdef08/28", // pLMNId too short
  96                         failure: fmt.Errorf("invalid value for RIC_ID, len(pLMNId:[187 188]) != 3"),
  97                 },
  98                 {
  99                         ricId:   "bbbccc-abcd/28", // eNBId too short
 100                         failure: fmt.Errorf("invalid value for RIC_ID, len(eNBId:[171 205]) != 3 or 4"),
 101                 },
 102                 {
 103                         ricId:   "bbbccc-abcdef08/239", // bit quantity too long - no error, will return 23 (which is invalid)
 104                         failure: fmt.Errorf("invalid value for RIC_ID, eNBIdBitqty: 23"),
 105                 },
 106         }
 107
 108         for _, tc := range testCases {
 109                 t.Run(tc.ricId, func(t *testing.T) {
 110
 111                         err := parseRicID(tc.ricId)
 112                         if err != nil {
 113                                 if tc.failure == nil {
 114                                         t.Errorf("want: success, got: parse failed. Error: %v\n", err)
 115                                 } else {
 116                                         if strings.Compare(err.Error(), tc.failure.Error()) != 0 {
 117                                                 t.Errorf("want: %s, got: %s\n", err, tc.failure)
 118                                         }
 119                                 }
 120                         } else {
 121                                 if bytes.Compare(tc.pLMNId, pLMNId) != 0 {
 122                                         t.Errorf("want: pLMNId = %v, got: pLMNId = %v", tc.pLMNId, pLMNId)
 123                                 }
 124
 125                                 if bytes.Compare(tc.eNBId, eNBId) != 0 {
 126                                         t.Errorf("want: eNBId = %v, got: eNBId = %v", tc.eNBId, eNBId)
 127                                 }
 128
 129                                 if tc.eNBIdBitqty != eNBIdBitqty {
 130                                         t.Errorf("want: eNBIdBitqty = %d, got: eNBIdBitqty = %d", tc.eNBIdBitqty, eNBIdBitqty)
 131                                 }
 132                         }
 133                 })
 134         }
 135 }