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ngap_test.go
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package ngap
import (
"encoding/hex"
"reflect"
"testing"
"github.com/stretchr/testify/require"
"github.com/free5gc/aper"
"github.com/free5gc/ngap/ngapType"
)
func TestDecodeBackupAmfName(t *testing.T) {
hs := "20150039000004000100060180616d663100600017004002f839cafe00060031302e3130302e3230302e313900" +
"564001ff005000080002f83900000008"
bs, err := hex.DecodeString(hs)
require.NoError(t, err)
_, err = Decoder(bs)
require.NoError(t, err)
}
func TestDecoder(t *testing.T) {
type args struct {
b []byte
}
tests := []struct {
name string
args args
wantPdu *ngapType.NGAPPDU
wantErr bool
}{
{
name: "TestUncomprehendedProcedure",
args: args{
b: []byte{
0x00, 0x55, 0x00, 0x17, 0x00, 0x00, 0x02, 0x00, 0x52, 0x40, 0x06, 0x01, 0x80, 0x54, 0x45, 0x53,
0x54, 0x00, 0x52, 0x40, 0x06, 0x01, 0x80, 0x54, 0x45, 0x53, 0x54,
},
},
wantPdu: &ngapType.NGAPPDU{
Present: ngapType.NGAPPDUPresentInitiatingMessage,
InitiatingMessage: &ngapType.InitiatingMessage{
ProcedureCode: ngapType.ProcedureCode{
Value: 0x55,
},
Criticality: ngapType.Criticality{
Value: ngapType.CriticalityPresentReject,
},
Value: ngapType.InitiatingMessageValue{
Present: 0,
},
},
},
wantErr: false,
},
{
name: "TestUncomprehendedIE",
args: args{
b: []byte{
0x00, 0x15, 0x00, 0x17, 0x00, 0x00, 0x02, 0x55, 0x55, 0x40, 0x06, 0x01, 0x80, 0x54, 0x45, 0x53,
0x54, 0x00, 0x52, 0x40, 0x06, 0x01, 0x80, 0x54, 0x45, 0x53, 0x54,
},
},
wantPdu: &ngapType.NGAPPDU{
Present: ngapType.NGAPPDUPresentInitiatingMessage,
InitiatingMessage: &ngapType.InitiatingMessage{
ProcedureCode: ngapType.ProcedureCode{
Value: ngapType.ProcedureCodeNGSetup,
},
Criticality: ngapType.Criticality{
Value: ngapType.CriticalityPresentReject,
},
Value: ngapType.InitiatingMessageValue{
Present: ngapType.InitiatingMessagePresentNGSetupRequest,
NGSetupRequest: &ngapType.NGSetupRequest{
ProtocolIEs: ngapType.ProtocolIEContainerNGSetupRequestIEs{
List: []ngapType.NGSetupRequestIEs{
{
Id: ngapType.ProtocolIEID{
Value: 0x5555,
},
Criticality: ngapType.Criticality{
Value: ngapType.CriticalityPresentIgnore,
},
Value: ngapType.NGSetupRequestIEsValue{
Present: 0,
},
},
{
Id: ngapType.ProtocolIEID{
Value: ngapType.ProtocolIEIDRANNodeName,
},
Criticality: ngapType.Criticality{
Value: ngapType.CriticalityPresentIgnore,
},
Value: ngapType.NGSetupRequestIEsValue{
Present: ngapType.NGSetupRequestIEsPresentRANNodeName,
RANNodeName: &ngapType.RANNodeName{
Value: "TEST",
},
},
},
},
},
},
},
},
},
},
{
name: "Test AMFStatusIndication with BackupAMFName IE",
args: args{
b: []byte{
0x00, 0x01, 0x40, 0x15, 0x00, 0x00, 0x01, 0x00, 0x78, 0x00, 0x0e, 0x00, 0x20, 0x02,
0xf8, 0x39, 0xca, 0xfe, 0x00, 0x01, 0x80, 0x41, 0x4d, 0x46, 0x31, 0x00, 0x00, 0x00,
},
},
wantPdu: &ngapType.NGAPPDU{
Present: ngapType.NGAPPDUPresentInitiatingMessage,
InitiatingMessage: &ngapType.InitiatingMessage{
ProcedureCode: ngapType.ProcedureCode{
Value: ngapType.ProcedureCodeAMFStatusIndication,
},
Criticality: ngapType.Criticality{
Value: ngapType.CriticalityPresentIgnore,
},
Value: ngapType.InitiatingMessageValue{
Present: ngapType.InitiatingMessagePresentAMFStatusIndication,
AMFStatusIndication: &ngapType.AMFStatusIndication{
ProtocolIEs: ngapType.ProtocolIEContainerAMFStatusIndicationIEs{
List: []ngapType.AMFStatusIndicationIEs{
{
Id: ngapType.ProtocolIEID{
Value: ngapType.ProtocolIEIDUnavailableGUAMIList,
},
Criticality: ngapType.Criticality{
Value: ngapType.CriticalityPresentReject,
},
Value: ngapType.AMFStatusIndicationIEsValue{
Present: ngapType.AMFStatusIndicationIEsPresentUnavailableGUAMIList,
UnavailableGUAMIList: &ngapType.UnavailableGUAMIList{
List: []ngapType.UnavailableGUAMIItem{
{
GUAMI: ngapType.GUAMI{
PLMNIdentity: ngapType.PLMNIdentity{
Value: aper.OctetString{
0x02, 0xf8, 0x39,
},
},
AMFRegionID: ngapType.AMFRegionID{
Value: aper.BitString{
Bytes: []byte{
0xca,
},
BitLength: 8,
},
},
AMFSetID: ngapType.AMFSetID{
Value: aper.BitString{
Bytes: []byte{
0xfe, 0x00,
},
BitLength: 10,
},
},
AMFPointer: ngapType.AMFPointer{
Value: aper.BitString{
Bytes: []byte{
0x00,
},
BitLength: 6,
},
},
},
BackupAMFName: &ngapType.AMFName{
Value: "AMF1",
},
},
},
},
},
},
},
},
},
},
},
},
wantErr: false,
},
{
name: "Test InitialUeMessage with SelectedPlmnIdentity",
args: args{
b: []byte{
0x0, 0xf, 0x40, 0x57, 0x0, 0x0, 0x6, 0x0, 0x55, 0x0, 0x5, 0xc0, 0xce, 0x0, 0x0,
0x0, 0x0, 0x26, 0x0, 0x23, 0x22, 0x7e, 0x0, 0x41, 0x79, 0x0, 0xd, 0x1, 0x13, 0x0, 0x13,
0xf, 0xff, 0x0, 0x0, 0x41, 0x0, 0x0, 0x21, 0xf0, 0x2e, 0x4, 0x80, 0x20, 0xe0, 0xe0, 0x17,
0x7, 0xe0, 0xe0, 0xc0, 0x40, 0x0, 0x80, 0x20, 0x0, 0x79, 0x0, 0xf, 0x40, 0x13, 0x30, 0x1,
0x0, 0x0, 0x0, 0x0, 0x10, 0x13, 0x30, 0x1, 0x0, 0x0, 0x1, 0x0, 0x5a, 0x40, 0x1, 0x18, 0x0,
0x70, 0x40, 0x1, 0x0, 0x0, 0xae, 0x40, 0x3, 0x64, 0xf6, 0x66,
},
},
wantPdu: &ngapType.NGAPPDU{
Present: ngapType.NGAPPDUPresentInitiatingMessage,
InitiatingMessage: &ngapType.InitiatingMessage{
ProcedureCode: ngapType.ProcedureCode{
Value: ngapType.ProcedureCodeInitialUEMessage,
},
Criticality: ngapType.Criticality{
Value: ngapType.CriticalityPresentIgnore,
},
Value: ngapType.InitiatingMessageValue{
Present: ngapType.InitiatingMessagePresentInitialUEMessage,
InitialUEMessage: &ngapType.InitialUEMessage{
ProtocolIEs: ngapType.ProtocolIEContainerInitialUEMessageIEs{
List: []ngapType.InitialUEMessageIEs{
{
Id: ngapType.ProtocolIEID{
Value: ngapType.ProtocolIEIDRANUENGAPID,
},
Criticality: ngapType.Criticality{
Value: ngapType.CriticalityPresentReject,
},
Value: ngapType.InitialUEMessageIEsValue{
Present: ngapType.InitialUEMessageIEsPresentRANUENGAPID,
RANUENGAPID: &ngapType.RANUENGAPID{
Value: 3456106496,
},
},
},
{
Id: ngapType.ProtocolIEID{
Value: ngapType.ProtocolIEIDNASPDU,
},
Criticality: ngapType.Criticality{
Value: ngapType.CriticalityPresentReject,
},
Value: ngapType.InitialUEMessageIEsValue{
Present: ngapType.InitialUEMessageIEsPresentNASPDU,
NASPDU: &ngapType.NASPDU{
Value: []byte{
0x7e, 0x00, 0x41, 0x79, 0x00, 0x0d, 0x01, 0x13, 0x00, 0x13, 0x0f, 0xff,
0x00, 0x00, 0x41, 0x00, 0x00, 0x21, 0xf0, 0x2e, 0x04, 0x80, 0x20, 0xe0, 0xe0, 0x17, 0x07, 0xe0, 0xe0,
0xc0, 0x40, 0x00, 0x80, 0x20,
},
},
},
},
{
Id: ngapType.ProtocolIEID{
Value: ngapType.ProtocolIEIDUserLocationInformation,
},
Criticality: ngapType.Criticality{
Value: ngapType.CriticalityPresentReject,
},
Value: ngapType.InitialUEMessageIEsValue{
Present: ngapType.InitialUEMessageIEsPresentUserLocationInformation,
UserLocationInformation: &ngapType.UserLocationInformation{
Present: ngapType.UserLocationInformationPresentUserLocationInformationNR,
UserLocationInformationNR: &ngapType.UserLocationInformationNR{
NRCGI: ngapType.NRCGI{
PLMNIdentity: ngapType.PLMNIdentity{
Value: []byte{0x13, 0x30, 0x01},
},
NRCellIdentity: ngapType.NRCellIdentity{
Value: aper.BitString{
Bytes: []byte{0x00, 0x00, 0x00, 0x00, 0x10},
BitLength: 36,
},
},
},
TAI: ngapType.TAI{
PLMNIdentity: ngapType.PLMNIdentity{
Value: []byte{0x13, 0x30, 0x01},
},
TAC: ngapType.TAC{
Value: []byte{0x00, 0x00, 0x01},
},
},
},
},
},
},
{
Id: ngapType.ProtocolIEID{
Value: ngapType.ProtocolIEIDRRCEstablishmentCause,
},
Criticality: ngapType.Criticality{
Value: ngapType.CriticalityPresentIgnore,
},
Value: ngapType.InitialUEMessageIEsValue{
Present: ngapType.InitialUEMessageIEsPresentRRCEstablishmentCause,
RRCEstablishmentCause: &ngapType.RRCEstablishmentCause{
Value: ngapType.RRCEstablishmentCausePresentMoSignalling,
},
},
},
{
Id: ngapType.ProtocolIEID{
Value: ngapType.ProtocolIEIDUEContextRequest,
},
Criticality: ngapType.Criticality{
Value: ngapType.CriticalityPresentIgnore,
},
Value: ngapType.InitialUEMessageIEsValue{
Present: ngapType.InitialUEMessageIEsPresentUEContextRequest,
UEContextRequest: &ngapType.UEContextRequest{
Value: ngapType.UEContextRequestPresentRequested,
},
},
},
{
Id: ngapType.ProtocolIEID{
Value: ngapType.ProtocolIEIDSelectedPLMNIdentity,
},
Criticality: ngapType.Criticality{
Value: ngapType.CriticalityPresentIgnore,
},
Value: ngapType.InitialUEMessageIEsValue{
Present: ngapType.InitialUEMessageIEsPresentSelectedPLMNIdentity,
SelectedPLMNIdentity: &ngapType.PLMNIdentity{
Value: []byte{0x64, 0xf6, 0x66},
},
},
},
},
},
},
},
},
},
},
}
for _, tt := range tests {
tt := tt
t.Run(tt.name, func(t *testing.T) {
t.Parallel()
gotPdu, err := Decoder(tt.args.b)
if (err != nil) != tt.wantErr {
t.Errorf("Decoder() error = %v, wantErr %v", err, tt.wantErr)
return
}
if !reflect.DeepEqual(gotPdu, tt.wantPdu) {
t.Errorf("Decoder() = %v, want %v", gotPdu, tt.wantPdu)
}
})
}
}