mirror of https://github.com/status-im/op-geth.git
134 lines
3.0 KiB
Go
134 lines
3.0 KiB
Go
package p2p
|
|
|
|
import (
|
|
"bytes"
|
|
"fmt"
|
|
"io/ioutil"
|
|
"runtime"
|
|
"testing"
|
|
"time"
|
|
|
|
"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 uint
|
|
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)
|
|
}
|
|
}
|
|
|
|
func ExampleMsgPipe() {
|
|
rw1, rw2 := MsgPipe()
|
|
go func() {
|
|
EncodeMsg(rw1, 8, []byte{0, 0})
|
|
EncodeMsg(rw1, 5, []byte{1, 1})
|
|
rw1.Close()
|
|
}()
|
|
|
|
for {
|
|
msg, err := rw2.ReadMsg()
|
|
if err != nil {
|
|
break
|
|
}
|
|
var data [1][]byte
|
|
msg.Decode(&data)
|
|
fmt.Printf("msg: %d, %x\n", msg.Code, data[0])
|
|
}
|
|
// Output:
|
|
// msg: 8, 0000
|
|
// msg: 5, 0101
|
|
}
|
|
|
|
func TestMsgPipeUnblockWrite(t *testing.T) {
|
|
loop:
|
|
for i := 0; i < 100; i++ {
|
|
rw1, rw2 := MsgPipe()
|
|
done := make(chan struct{})
|
|
go func() {
|
|
if err := EncodeMsg(rw1, 1); err == nil {
|
|
t.Error("EncodeMsg returned nil error")
|
|
} else if err != ErrPipeClosed {
|
|
t.Error("EncodeMsg returned wrong error: got %v, want %v", err, ErrPipeClosed)
|
|
}
|
|
close(done)
|
|
}()
|
|
|
|
// this call should ensure that EncodeMsg is waiting to
|
|
// deliver sometimes. if this isn't done, Close is likely to
|
|
// be executed before EncodeMsg starts and then we won't test
|
|
// all the cases.
|
|
runtime.Gosched()
|
|
|
|
rw2.Close()
|
|
select {
|
|
case <-done:
|
|
case <-time.After(200 * time.Millisecond):
|
|
t.Errorf("write didn't unblock")
|
|
break loop
|
|
}
|
|
}
|
|
}
|
|
|
|
// This test should panic if concurrent close isn't implemented correctly.
|
|
func TestMsgPipeConcurrentClose(t *testing.T) {
|
|
rw1, _ := MsgPipe()
|
|
for i := 0; i < 10; i++ {
|
|
go rw1.Close()
|
|
}
|
|
}
|