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package dhcpv6
import (
"net"
"testing"
"github.com/insomniacslk/dhcp/iana"
"github.com/stretchr/testify/require"
)
func TestParseOptClientId(t *testing.T) {
data := []byte{
0, 3, // DUID_LL
0, 1, // hwtype ethernet
0, 1, 2, 3, 4, 5, // hw addr
}
opt, err := ParseOptClientId(data)
require.NoError(t, err)
require.Equal(t, opt.Cid.Type, DUID_LL)
require.Equal(t, opt.Cid.HwType, iana.HwTypeEthernet)
require.Equal(t, opt.Cid.LinkLayerAddr, net.HardwareAddr([]byte{0, 1, 2, 3, 4, 5}))
}
func TestOptClientIdToBytes(t *testing.T) {
opt := OptClientId{
Cid: Duid{
Type: DUID_LL,
HwType: iana.HwTypeEthernet,
LinkLayerAddr: net.HardwareAddr([]byte{5, 4, 3, 2, 1, 0}),
},
}
expected := []byte{
0, 1, // OPTION_CLIENTID
0, 10, // length
0, 3, // DUID_LL
0, 1, // hwtype ethernet
5, 4, 3, 2, 1, 0, // hw addr
}
require.Equal(t, expected, opt.ToBytes())
}
func TestOptClientIdDecodeEncode(t *testing.T) {
data := []byte{
0, 3, // DUID_LL
0, 1, // hwtype ethernet
5, 4, 3, 2, 1, 0, // hw addr
}
expected := append([]byte{
0, 1, // OPTION_CLIENTID
0, 10, // length
}, data...)
opt, err := ParseOptClientId(data)
require.NoError(t, err)
require.Equal(t, expected, opt.ToBytes())
}
func TestOptionClientId(t *testing.T) {
opt := OptClientId{
Cid: Duid{
Type: DUID_LL,
HwType: iana.HwTypeEthernet,
LinkLayerAddr: net.HardwareAddr([]byte{0xde, 0xad, 0, 0, 0xbe, 0xef}),
},
}
require.Equal(t, opt.Length(), 10)
require.Equal(t, opt.Code(), OPTION_CLIENTID)
}
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