mirror of https://github.com/poanetwork/quorum.git
148 lines
3.4 KiB
Go
148 lines
3.4 KiB
Go
package p2p
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import (
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// "fmt"
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"bytes"
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"testing"
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"time"
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"github.com/ethereum/go-ethereum/ethutil"
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)
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func setupMessenger(handlers Handlers) (*TestNetworkConnection, chan *PeerError, *Messenger) {
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errchan := NewPeerErrorChannel()
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addr := &TestAddr{"test:30303"}
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net := NewTestNetworkConnection(addr)
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conn := NewConnection(net, errchan)
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mess := NewMessenger(nil, conn, errchan, handlers)
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mess.Start()
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return net, errchan, mess
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}
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type TestProtocol struct {
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Msgs []*Msg
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}
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func (self *TestProtocol) Start() {
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}
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func (self *TestProtocol) Stop() {
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}
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func (self *TestProtocol) Offset() MsgCode {
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return MsgCode(5)
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}
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func (self *TestProtocol) HandleIn(msg *Msg, response chan *Msg) {
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self.Msgs = append(self.Msgs, msg)
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close(response)
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}
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func (self *TestProtocol) HandleOut(msg *Msg) bool {
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if msg.Code() > 3 {
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return false
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} else {
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return true
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}
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}
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func (self *TestProtocol) Name() string {
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return "a"
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}
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func Packet(offset MsgCode, code MsgCode, params ...interface{}) []byte {
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msg, _ := NewMsg(code, params...)
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encoded := msg.Encode(offset)
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packet := []byte{34, 64, 8, 145}
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packet = append(packet, ethutil.NumberToBytes(uint32(len(encoded)), 32)...)
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return append(packet, encoded...)
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}
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func TestRead(t *testing.T) {
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handlers := make(Handlers)
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testProtocol := &TestProtocol{Msgs: []*Msg{}}
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handlers["a"] = func(p *Peer) Protocol { return testProtocol }
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net, _, mess := setupMessenger(handlers)
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mess.AddProtocols([]string{"a"})
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defer mess.Stop()
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wait := 1 * time.Millisecond
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packet := Packet(16, 1, uint32(1), "000")
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go net.In(0, packet)
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time.Sleep(wait)
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if len(testProtocol.Msgs) != 1 {
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t.Errorf("msg not relayed to correct protocol")
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} else {
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if testProtocol.Msgs[0].Code() != 1 {
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t.Errorf("incorrect msg code relayed to protocol")
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}
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}
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}
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func TestWrite(t *testing.T) {
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handlers := make(Handlers)
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testProtocol := &TestProtocol{Msgs: []*Msg{}}
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handlers["a"] = func(p *Peer) Protocol { return testProtocol }
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net, _, mess := setupMessenger(handlers)
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mess.AddProtocols([]string{"a"})
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defer mess.Stop()
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wait := 1 * time.Millisecond
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msg, _ := NewMsg(3, uint32(1), "000")
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err := mess.Write("b", msg)
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if err == nil {
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t.Errorf("expect error for unknown protocol")
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}
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err = mess.Write("a", msg)
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if err != nil {
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t.Errorf("expect no error for known protocol: %v", err)
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} else {
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time.Sleep(wait)
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if len(net.Out) != 1 {
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t.Errorf("msg not written")
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} else {
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out := net.Out[0]
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packet := Packet(16, 3, uint32(1), "000")
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if bytes.Compare(out, packet) != 0 {
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t.Errorf("incorrect packet %v", out)
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}
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}
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}
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}
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func TestPulse(t *testing.T) {
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net, _, mess := setupMessenger(make(Handlers))
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defer mess.Stop()
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ping := false
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timeout := false
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pingTimeout := 10 * time.Millisecond
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gracePeriod := 200 * time.Millisecond
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go mess.PingPong(pingTimeout, gracePeriod, func() { ping = true }, func() { timeout = true })
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net.In(0, Packet(0, 1))
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if ping {
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t.Errorf("ping sent too early")
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}
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time.Sleep(pingTimeout + 100*time.Millisecond)
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if !ping {
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t.Errorf("no ping sent after timeout")
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}
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if timeout {
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t.Errorf("timeout too early")
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}
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ping = false
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net.In(0, Packet(0, 1))
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time.Sleep(pingTimeout + 100*time.Millisecond)
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if !ping {
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t.Errorf("no ping sent after timeout")
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}
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if timeout {
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t.Errorf("timeout too early")
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}
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ping = false
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time.Sleep(gracePeriod)
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if ping {
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t.Errorf("ping called twice")
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}
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if !timeout {
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t.Errorf("no timeout after grace period")
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}
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}
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