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package dhcpv6
import (
"net"
"testing"
"time"
"github.com/stretchr/testify/require"
)
func TestOptIAAddressParse(t *testing.T) {
ipaddr := []byte{0x24, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15}
data := append(ipaddr, []byte{
0xa, 0xb, 0xc, 0xd, // preferred lifetime
0xe, 0xf, 0x1, 0x2, // valid lifetime
0, 8, 0, 2, 0xaa, 0xbb, // options
}...)
opt, err := ParseOptIAAddress(data)
require.NoError(t, err)
require.Equal(t, net.IP(ipaddr), opt.IPv6Addr)
require.Equal(t, 0x0a0b0c0d*time.Second, opt.PreferredLifetime)
require.Equal(t, 0x0e0f0102*time.Second, opt.ValidLifetime)
}
func TestOptIAAddressParseInvalidTooShort(t *testing.T) {
data := []byte{
0x24, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
0xa, 0xb, 0xc, 0xd, // preferred lifetime
// truncated here
}
_, err := ParseOptIAAddress(data)
require.Error(t, err)
}
func TestOptIAAddressParseInvalidBrokenOptions(t *testing.T) {
data := []byte{
0x24, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
0xa, 0xb, 0xc, 0xd, // preferred lifetime
0xe, 0xf, 0x1, 0x2, // valid lifetime
0, 8, 0, 2, 0xaa, // broken options
}
_, err := ParseOptIAAddress(data)
require.Error(t, err)
}
func TestOptIAAddressToBytesDefault(t *testing.T) {
want := []byte{
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // IP
0, 0, 0, 0, // preferred lifetime
0, 0, 0, 0, // valid lifetime
}
opt := OptIAAddress{}
require.Equal(t, opt.ToBytes(), want)
}
func TestOptIAAddressToBytes(t *testing.T) {
ipBytes := []byte{0x24, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15}
expected := append(ipBytes, []byte{
0xa, 0xb, 0xc, 0xd, // preferred lifetime
0xe, 0xf, 0x1, 0x2, // valid lifetime
0, 8, 0, 2, 0x00, 0x01, // options
}...)
opt := OptIAAddress{
IPv6Addr: net.IP(ipBytes),
PreferredLifetime: 0x0a0b0c0d * time.Second,
ValidLifetime: 0x0e0f0102 * time.Second,
Options: AddressOptions{[]Option{
OptElapsedTime(10 * time.Millisecond),
}},
}
require.Equal(t, expected, opt.ToBytes())
}
func TestOptIAAddressString(t *testing.T) {
ipaddr := []byte{0x24, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15}
data := append(ipaddr, []byte{
0x00, 0x00, 0x00, 70, // preferred lifetime
0x00, 0x00, 0x00, 50, // valid lifetime
0, 8, 0, 2, 0xaa, 0xbb, // options
}...)
opt, err := ParseOptIAAddress(data)
require.NoError(t, err)
str := opt.String()
require.Contains(
t, str,
"IP=2401:203:405:607:809:a0b:c0d:e0f",
"String() should return the ipv6addr",
)
require.Contains(
t, str,
"PreferredLifetime=1m10s",
"String() should return the preferredlifetime",
)
require.Contains(
t, str,
"ValidLifetime=50s",
"String() should return the validlifetime",
)
}
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