lbry.go/dht/util_test.go
Alex Grintsvayg 1f26aeeb5c add dht
2017-08-16 11:52:19 -04:00

100 lines
1.5 KiB
Go

package dht
import (
"testing"
)
func TestInt2Bytes(t *testing.T) {
cases := []struct {
in uint64
out []byte
}{
{0, []byte{0}},
{1, []byte{1}},
{256, []byte{1, 0}},
{22129, []byte{86, 113}},
}
for _, c := range cases {
r := int2bytes(c.in)
if len(r) != len(c.out) {
t.Fail()
}
for i, v := range r {
if v != c.out[i] {
t.Fail()
}
}
}
}
func TestBytes2Int(t *testing.T) {
cases := []struct {
in []byte
out uint64
}{
{[]byte{0}, 0},
{[]byte{1}, 1},
{[]byte{1, 0}, 256},
{[]byte{86, 113}, 22129},
}
for _, c := range cases {
if bytes2int(c.in) != c.out {
t.Fail()
}
}
}
func TestDecodeCompactIPPortInfo(t *testing.T) {
cases := []struct {
in string
out struct {
ip string
port int
}
}{
{"123456", struct {
ip string
port int
}{"49.50.51.52", 13622}},
{"abcdef", struct {
ip string
port int
}{"97.98.99.100", 25958}},
}
for _, item := range cases {
ip, port, err := decodeCompactIPPortInfo(item.in)
if err != nil || ip.String() != item.out.ip || port != item.out.port {
t.Fail()
}
}
}
func TestEncodeCompactIPPortInfo(t *testing.T) {
cases := []struct {
in struct {
ip []byte
port int
}
out string
}{
{struct {
ip []byte
port int
}{[]byte{49, 50, 51, 52}, 13622}, "123456"},
{struct {
ip []byte
port int
}{[]byte{97, 98, 99, 100}, 25958}, "abcdef"},
}
for _, item := range cases {
info, err := encodeCompactIPPortInfo(item.in.ip, item.in.port)
if err != nil || info != item.out {
t.Fail()
}
}
}