initial commit of p2p package

p2p/peer_test.go

@@ -0,0 +1,96 @@
+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")
+	}
+}