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package p2p
import (
"bytes"
"fmt"
"net"
"testing"
"time"
)
type TestNetwork struct {
connections map[string]*TestNetworkConnection
dialer Dialer
maxinbound int
}
func NewTestNetwork(maxinbound int) *TestNetwork {
connections := make(map[string]*TestNetworkConnection)
return &TestNetwork{
connections: connections,
dialer: &TestDialer{connections},
maxinbound: maxinbound,
}
}
func (self *TestNetwork) Dialer(addr net.Addr) (Dialer, error) {
return self.dialer, nil
}
func (self *TestNetwork) Listener(addr net.Addr) (net.Listener, error) {
return &TestListener{
connections: self.connections,
addr: addr,
max: self.maxinbound,
}, nil
}
func (self *TestNetwork) Start() error {
return nil
}
func (self *TestNetwork) NewAddr(string, int) (addr net.Addr, err error) {
return
}
func (self *TestNetwork) ParseAddr(string) (addr net.Addr, err error) {
return
}
type TestAddr struct {
name string
}
func (self *TestAddr) String() string {
return self.name
}
func (*TestAddr) Network() string {
return "test"
}
type TestDialer struct {
connections map[string]*TestNetworkConnection
}
func (self *TestDialer) Dial(network string, addr string) (conn net.Conn, err error) {
address := &TestAddr{addr}
tconn := NewTestNetworkConnection(address)
self.connections[addr] = tconn
conn = net.Conn(tconn)
return
}
type TestListener struct {
connections map[string]*TestNetworkConnection
addr net.Addr
max int
i int
}
func (self *TestListener) Accept() (conn net.Conn, err error) {
self.i++
if self.i > self.max {
err = fmt.Errorf("no more")
} else {
addr := &TestAddr{fmt.Sprintf("inboundpeer-%d", self.i)}
tconn := NewTestNetworkConnection(addr)
key := tconn.RemoteAddr().String()
self.connections[key] = tconn
conn = net.Conn(tconn)
fmt.Printf("accepted connection from: %v \n", addr)
}
return
}
func (self *TestListener) Close() error {
return nil
}
func (self *TestListener) Addr() net.Addr {
return self.addr
}
func SetupTestServer(handlers Handlers) (network *TestNetwork, server *Server) {
network = NewTestNetwork(1)
addr := &TestAddr{"test:30303"}
identity := NewSimpleClientIdentity("clientIdentifier", "version", "customIdentifier", "pubkey")
maxPeers := 2
if handlers == nil {
handlers = make(Handlers)
}
blackist := NewBlacklist()
server = New(network, addr, identity, handlers, maxPeers, blackist)
fmt.Println(server.identity.Pubkey())
return
}
func TestServerListener(t *testing.T) {
network, server := SetupTestServer(nil)
server.Start(true, false)
time.Sleep(10 * time.Millisecond)
server.Stop()
peer1, ok := network.connections["inboundpeer-1"]
if !ok {
t.Error("not found inbound peer 1")
} else {
fmt.Printf("out: %v\n", peer1.Out)
if len(peer1.Out) != 2 {
t.Errorf("not enough messages sent to peer 1: %v ", len(peer1.Out))
}
}
}
func TestServerDialer(t *testing.T) {
network, server := SetupTestServer(nil)
server.Start(false, true)
server.peerConnect <- &TestAddr{"outboundpeer-1"}
time.Sleep(10 * time.Millisecond)
server.Stop()
peer1, ok := network.connections["outboundpeer-1"]
if !ok {
t.Error("not found outbound peer 1")
} else {
fmt.Printf("out: %v\n", peer1.Out)
if len(peer1.Out) != 2 {
t.Errorf("not enough messages sent to peer 1: %v ", len(peer1.Out))
}
}
}
func TestServerBroadcast(t *testing.T) {
handlers := make(Handlers)
testProtocol := &TestProtocol{Msgs: []*Msg{}}
handlers["aaa"] = func(p *Peer) Protocol { return testProtocol }
network, server := SetupTestServer(handlers)
server.Start(true, true)
server.peerConnect <- &TestAddr{"outboundpeer-1"}
time.Sleep(10 * time.Millisecond)
msg, _ := NewMsg(0)
server.Broadcast("", msg)
packet := Packet(0, 0)
time.Sleep(10 * time.Millisecond)
server.Stop()
peer1, ok := network.connections["outboundpeer-1"]
if !ok {
t.Error("not found outbound peer 1")
} else {
fmt.Printf("out: %v\n", peer1.Out)
if len(peer1.Out) != 3 {
t.Errorf("not enough messages sent to peer 1: %v ", len(peer1.Out))
} else {
if bytes.Compare(peer1.Out[1], packet) != 0 {
t.Errorf("incorrect broadcast packet %v != %v", peer1.Out[1], packet)
}
}
}
peer2, ok := network.connections["inboundpeer-1"]
if !ok {
t.Error("not found inbound peer 2")
} else {
fmt.Printf("out: %v\n", peer2.Out)
if len(peer1.Out) != 3 {
t.Errorf("not enough messages sent to peer 2: %v ", len(peer2.Out))
} else {
if bytes.Compare(peer2.Out[1], packet) != 0 {
t.Errorf("incorrect broadcast packet %v != %v", peer2.Out[1], packet)
}
}
}
}
func TestServerPeersMessage(t *testing.T) {
handlers := make(Handlers)
_, server := SetupTestServer(handlers)
server.Start(true, true)
defer server.Stop()
server.peerConnect <- &TestAddr{"outboundpeer-1"}
time.Sleep(10 * time.Millisecond)
peersMsg, err := server.PeersMessage()
fmt.Println(peersMsg)
if err != nil {
t.Errorf("expect no error, got %v", err)
}
if c := server.PeerCount(); c != 2 {
t.Errorf("expect 2 peers, got %v", c)
}
}
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