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package p2p
import (
"bytes"
"io/ioutil"
"testing"
"github.com/ethereum/go-ethereum/ethutil"
)
func TestNewMsg(t *testing.T) {
msg := NewMsg(3, 1, "000")
if msg.Code != 3 {
t.Errorf("incorrect code %d, want %d", msg.Code)
}
if msg.Size != 5 {
t.Errorf("incorrect size %d, want %d", msg.Size, 5)
}
pl, _ := ioutil.ReadAll(msg.Payload)
expect := []byte{0x01, 0x83, 0x30, 0x30, 0x30}
if !bytes.Equal(pl, expect) {
t.Errorf("incorrect payload content, got %x, want %x", pl, expect)
}
}
func TestEncodeDecodeMsg(t *testing.T) {
msg := NewMsg(3, 1, "000")
buf := new(bytes.Buffer)
if err := writeMsg(buf, msg); err != nil {
t.Fatalf("encodeMsg error: %v", err)
}
// t.Logf("encoded: %x", buf.Bytes())
decmsg, err := readMsg(buf)
if err != nil {
t.Fatalf("readMsg error: %v", err)
}
if decmsg.Code != 3 {
t.Errorf("incorrect code %d, want %d", decmsg.Code, 3)
}
if decmsg.Size != 5 {
t.Errorf("incorrect size %d, want %d", decmsg.Size, 5)
}
var data struct {
I int
S string
}
if err := decmsg.Decode(&data); err != nil {
t.Fatalf("Decode error: %v", err)
}
if data.I != 1 {
t.Errorf("incorrect data.I: got %v, expected %d", data.I, 1)
}
if data.S != "000" {
t.Errorf("incorrect data.S: got %q, expected %q", data.S, "000")
}
}
func TestDecodeRealMsg(t *testing.T) {
data := ethutil.Hex2Bytes("2240089100000080f87e8002b5457468657265756d282b2b292f5065657220536572766572204f6e652f76302e372e382f52656c656173652f4c696e75782f672b2bc082765fb84086dd80b7aefd6a6d2e3b93f4f300a86bfb6ef7bdc97cb03f793db6bb")
msg, err := readMsg(bytes.NewReader(data))
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
if msg.Code != 0 {
t.Errorf("incorrect code %d, want %d", msg.Code, 0)
}
}
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