107 lines
3.6 KiB
Go
107 lines
3.6 KiB
Go
/*
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* Copyright (c) 2019 AT&T Intellectual Property.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/*
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* This source code is part of the near-RT RIC (RAN Intelligent Controller)
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* platform project (RICP).
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*/
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package e2pdus
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import (
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"fmt"
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"strings"
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"testing"
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)
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/*
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* Create and pack an x2ap setup request.
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* Verify the packed representation matches the want value.
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*/
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func TestPackEndcX2apSetupRequest(t *testing.T) {
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pLMNId := []byte{0xbb, 0xbc, 0xcc}
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ricFlag := []byte{0xbb, 0xbc, 0xcc} /*pLMNId [3]bytes*/
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var testCases = []struct {
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eNBId []byte
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eNBIdBitqty uint
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packedPdu string
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}{
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{
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eNBId: []byte{0xab, 0xcd, 0x2}, /*00000010 -> 10000000*/
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eNBIdBitqty: ShortMacro_eNB_ID,
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packedPdu: "0024003200000100f4002b0000020015000900bbbccc8003abcd8000fa0017000001f700bbbcccabcd80000000bbbccc000000000001",
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},
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{
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eNBId: []byte{0xab, 0xcd, 0xe},
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eNBIdBitqty: Macro_eNB_ID,
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packedPdu: "0024003100000100f4002a0000020015000800bbbccc00abcde000fa0017000001f700bbbcccabcde0000000bbbccc000000000001",
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},
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{
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eNBId: []byte{0xab, 0xcd, 0x7}, /*00000111 -> 00111000*/
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eNBIdBitqty: LongMacro_eNB_ID,
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//packedPdu: "0024003200000100f4002b0000020015000900bbbccc8103abcd3800fa0017000001f700bbbcccabcd38000000bbbccc000000000001",
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packedPdu: "0024003200000100f4002b0000020015000900bbbcccc003abcd3800fa0017000001f700bbbcccabcd38000000bbbccc000000000001",
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},
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{
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eNBId: []byte{0xab, 0xcd, 0xef, 0x8},
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eNBIdBitqty: Home_eNB_ID,
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packedPdu: "0024003200000100f4002b0000020015000900bbbccc40abcdef8000fa0017000001f700bbbcccabcdef800000bbbccc000000000001",
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},
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}
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for _, tc := range testCases {
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t.Run(tc.packedPdu, func(t *testing.T) {
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payload, _, err := preparePackedEndcX2SetupRequest(MaxAsn1PackedBufferSize /*max packed buffer*/, MaxAsn1CodecMessageBufferSize /*max message buffer*/, pLMNId, tc.eNBId, tc.eNBIdBitqty, ricFlag)
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if err != nil {
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t.Errorf("want: success, got: pack failed. Error: %v\n", err)
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} else {
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t.Logf("packed X2AP setup request(size=%d): %x\n", len(payload), payload)
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tmp := fmt.Sprintf("%x", payload)
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if len(tmp) != len(tc.packedPdu) {
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t.Errorf("want packed len:%d, got: %d\n", len(tc.packedPdu)/2, len(payload)/2)
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}
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if strings.Compare(tmp, tc.packedPdu) != 0 {
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t.Errorf("\nwant :\t[%s]\n got: \t\t[%s]\n", tc.packedPdu, tmp)
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}
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}
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})
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}
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}
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/*Packing error*/
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func TestPackEndcX2apSetupRequestPackError(t *testing.T) {
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pLMNId := []byte{0xbb, 0xbc, 0xcc}
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ricFlag := []byte{0xbb, 0xbc, 0xcc} /*pLMNId [3]bytes*/
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eNBId := []byte{0xab, 0xcd, 0x2}
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eNBIdBitqty := uint(Macro_eNB_ID)
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wantError := "packing error: #src/asn1codec_utils.c.pack_pdu_aux - Encoded output of E2AP-PDU, is too big:53"
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_, _, err := preparePackedEndcX2SetupRequest(40 /*max packed buffer*/, MaxAsn1CodecMessageBufferSize /*max message buffer*/, pLMNId, eNBId, eNBIdBitqty, ricFlag)
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if err != nil {
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if 0 != strings.Compare(fmt.Sprintf("%s", err), wantError) {
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t.Errorf("want failure: %s, got: %s", wantError, err)
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}
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} else {
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t.Errorf("want failure: %s, got: success", wantError)
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}
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}
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