lbry.go/dht/routing_table_test.go
2018-03-11 06:21:02 -04:00

59 lines
1.7 KiB
Go

package dht
import (
"net"
"reflect"
"testing"
)
func TestRoutingTable(t *testing.T) {
n1 := newBitmapFromHex("FFFFFFFF0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000")
n2 := newBitmapFromHex("FFFFFFF00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000")
n3 := newBitmapFromHex("111111110000000000000000000000000000000000000000000000000000000000000000000000000000000000000000")
rt := newRoutingTable(&Node{n1, net.ParseIP("127.0.0.1"), 8000})
rt.Update(&Node{n2, net.ParseIP("127.0.0.1"), 8001})
rt.Update(&Node{n3, net.ParseIP("127.0.0.1"), 8002})
contacts := rt.FindClosest(newBitmapFromHex("222222220000000000000000000000000000000000000000000000000000000000000000000000000000000000000000"), 1)
if len(contacts) != 1 {
t.Fail()
return
}
if !contacts[0].id.Equals(n3) {
t.Error(contacts[0])
}
contacts = rt.FindClosest(n2, 10)
if len(contacts) != 2 {
t.Error(len(contacts))
return
}
if !contacts[0].id.Equals(n2) {
t.Error(contacts[0])
}
if !contacts[1].id.Equals(n3) {
t.Error(contacts[1])
}
}
func TestCompactEncoding(t *testing.T) {
n := Node{
id: newBitmapFromHex("1c8aff71b99462464d9eeac639595ab99664be3482cb91a29d87467515c7d9158fe72aa1f1582dab07d8f8b5db277f41"),
ip: net.ParseIP("1.2.3.4"),
port: int(55<<8 + 66),
}
var compact []byte
compact, err := n.MarshalCompact()
if err != nil {
t.Fatal(err)
}
if len(compact) != compactNodeInfoLength {
t.Fatalf("got length of %d; expected %d", len(compact), compactNodeInfoLength)
}
if !reflect.DeepEqual(compact, append([]byte{1, 2, 3, 4, 55, 66}, n.id[:]...)) {
t.Errorf("compact bytes not encoded correctly")
}
}