path: root/p2p/peer_test.go

package p2p

import (
    "bytes"
    "fmt"
    // "net"
    "testing"
    "time"
)

func TestPeer(t *testing.T) {
    handlers := make(Handlers)
    testProtocol := &TestProtocol{Msgs: []*Msg{}}
    handlers["aaa"] = func(p *Peer) Protocol { return testProtocol }
    handlers["ccc"] = func(p *Peer) Protocol { return testProtocol }
    addr := &TestAddr{"test:30"}
    conn := NewTestNetworkConnection(addr)
    _, server := SetupTestServer(handlers)
    server.Handshake()
    peer := NewPeer(conn, addr, true, server)
    // peer.Messenger().AddProtocols([]string{"aaa", "ccc"})
    peer.Start()
    defer peer.Stop()
    time.Sleep(2 * time.Millisecond)
    if len(conn.Out) != 1 {
        t.Errorf("handshake not sent")
    } else {
        out := conn.Out[0]
        packet := Packet(0, HandshakeMsg, P2PVersion, []byte(peer.server.identity.String()), []interface{}{peer.server.protocols}, peer.server.port, peer.server.identity.Pubkey()[1:])
        if bytes.Compare(out, packet) != 0 {
            t.Errorf("incorrect handshake packet %v != %v", out, packet)
        }
    }

    packet := Packet(0, HandshakeMsg, P2PVersion, []byte("peer"), []interface{}{"bbb", "aaa", "ccc"}, 30, []byte("0000000000000000000000000000000000000000000000000000000000000000"))
    conn.In(0, packet)
    time.Sleep(10 * time.Millisecond)

    pro, _ := peer.Messenger().protocols[0].(*BaseProtocol)
    if pro.state != handshakeReceived {
        t.Errorf("handshake not received")
    }
    if peer.Port != 30 {
        t.Errorf("port incorrectly set")
    }
    if peer.Id != "peer" {
        t.Errorf("id incorrectly set")
    }
    if string(peer.Pubkey) != "0000000000000000000000000000000000000000000000000000000000000000" {
        t.Errorf("pubkey incorrectly set")
    }
    fmt.Println(peer.Caps)
    if len(peer.Caps) != 3 || peer.Caps[0] != "aaa" || peer.Caps[1] != "bbb" || peer.Caps[2] != "ccc" {
        t.Errorf("protocols incorrectly set")
    }

    msg, _ := NewMsg(3)
    err := peer.Write("aaa", msg)
    if err != nil {
        t.Errorf("expect no error for known protocol: %v", err)
    } else {
        time.Sleep(1 * time.Millisecond)
        if len(conn.Out) != 2 {
            t.Errorf("msg not written")
        } else {
            out := conn.Out[1]
            packet := Packet(16, 3)
            if bytes.Compare(out, packet) != 0 {
                t.Errorf("incorrect packet %v != %v", out, packet)
            }
        }
    }

    msg, _ = NewMsg(2)
    err = peer.Write("ccc", msg)
    if err != nil {
        t.Errorf("expect no error for known protocol: %v", err)
    } else {
        time.Sleep(1 * time.Millisecond)
        if len(conn.Out) != 3 {
            t.Errorf("msg not written")
        } else {
            out := conn.Out[2]
            packet := Packet(21, 2)
            if bytes.Compare(out, packet) != 0 {
                t.Errorf("incorrect packet %v != %v", out, packet)
            }
        }
    }

    err = peer.Write("bbb", msg)
    time.Sleep(1 * time.Millisecond)
    if err == nil {
        t.Errorf("expect error for unknown protocol")
    }
}