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package dhcpv6
import (
"bytes"
"testing"
"github.com/stretchr/testify/require"
)
func TestOptRemoteId(t *testing.T) {
expected := []byte{0xaa, 0xbb, 0xcc, 0xdd}
remoteId := []byte("DSLAM01 eth2/1/01/21")
expected = append(expected, remoteId...)
opt, err := ParseOptRemoteId(expected)
if err != nil {
t.Fatal(err)
}
if en := opt.EnterpriseNumber(); en != 0xaabbccdd {
t.Fatalf("Invalid Enterprise Number. Expected 0xaabbccdd, got %v", en)
}
if rid := opt.RemoteID(); !bytes.Equal(rid, remoteId) {
t.Fatalf("Invalid Remote ID. Expected %v, got %v", expected, rid)
}
}
func TestOptRemoteIdToBytes(t *testing.T) {
remoteId := []byte("DSLAM01 eth2/1/01/21")
expected := append([]byte{0, 0, 0, 0}, remoteId...)
opt := OptRemoteId{
remoteId: remoteId,
}
toBytes := opt.ToBytes()
if !bytes.Equal(toBytes, expected) {
t.Fatalf("Invalid ToBytes result. Expected %v, got %v", expected, toBytes)
}
}
func TestOptRemoteIdSet(t *testing.T) {
enterpriseNumber := uint32(12345)
remoteID := []byte("DSLAM01 eth2/1/01/21")
opt := OptRemoteId{}
opt.SetEnterpriseNumber(enterpriseNumber)
opt.SetRemoteID(remoteID)
require.Equal(t, uint32(12345), opt.EnterpriseNumber())
require.Equal(t, []byte("DSLAM01 eth2/1/01/21"), opt.RemoteID())
}
func TestOptRemoteIdParseOptRemoteIdTooShort(t *testing.T) {
buf := []byte{0xaa, 0xbb, 0xcc}
_, err := ParseOptRemoteId(buf)
require.Error(t, err, "A short option should return an error")
}
func TestOptRemoteIdString(t *testing.T) {
buf := []byte{0xaa, 0xbb, 0xcc, 0xdd}
remoteId := []byte("Test1234")
buf = append(buf, remoteId...)
opt, err := ParseOptRemoteId(buf)
require.NoError(t, err)
str := opt.String()
require.Contains(
t,
str,
"enterprisenum=2864434397",
"String() should contain the enterprisenum",
)
require.Contains(
t,
str,
"remoteid=[84 101 115 116 49 50 51 52]",
"String() should contain the remoteid bytes",
)
}
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