1 files changed, 161 insertions, 0 deletions
diff --git a/p2p/server_test.go b/p2p/server_test.go
new file mode 100644
index 000000000..5c0d08d39
--- /dev/null
+++ b/p2p/server_test.go
@@ -0,0 +1,161 @@
+package p2p
+
+import (
+	"bytes"
+	"io"
+	"net"
+	"sync"
+	"testing"
+	"time"
+)
+
+func startTestServer(t *testing.T, pf peerFunc) *Server {
+	server := &Server{
+		Identity:    NewSimpleClientIdentity("clientIdentifier", "version", "customIdentifier", "pubkey"),
+		MaxPeers:    10,
+		ListenAddr:  "127.0.0.1:0",
+		newPeerFunc: pf,
+	}
+	if err := server.Start(); err != nil {
+		t.Fatalf("Could not start server: %v", err)
+	}
+	return server
+}
+
+func TestServerListen(t *testing.T) {
+	defer testlog(t).detach()
+
+	// start the test server
+	connected := make(chan *Peer)
+	srv := startTestServer(t, func(srv *Server, conn net.Conn, dialAddr *peerAddr) *Peer {
+		if conn == nil {
+			t.Error("peer func called with nil conn")
+		}
+		if dialAddr != nil {
+			t.Error("peer func called with non-nil dialAddr")
+		}
+		peer := newPeer(conn, nil, dialAddr)
+		connected <- peer
+		return peer
+	})
+	defer close(connected)
+	defer srv.Stop()
+
+	// dial the test server
+	conn, err := net.DialTimeout("tcp", srv.ListenAddr, 5*time.Second)
+	if err != nil {
+		t.Fatalf("could not dial: %v", err)
+	}
+	defer conn.Close()
+
+	select {
+	case peer := <-connected:
+		if peer.conn.LocalAddr().String() != conn.RemoteAddr().String() {
+			t.Errorf("peer started with wrong conn: got %v, want %v",
+				peer.conn.LocalAddr(), conn.RemoteAddr())
+		}
+	case <-time.After(1 * time.Second):
+		t.Error("server did not accept within one second")
+	}
+}
+
+func TestServerDial(t *testing.T) {
+	defer testlog(t).detach()
+
+	// run a fake TCP server to handle the connection.
+	listener, err := net.Listen("tcp", "127.0.0.1:0")
+	if err != nil {
+		t.Fatalf("could not setup listener: %v")
+	}
+	defer listener.Close()
+	accepted := make(chan net.Conn)
+	go func() {
+		conn, err := listener.Accept()
+		if err != nil {
+			t.Error("acccept error:", err)
+		}
+		conn.Close()
+		accepted <- conn
+	}()
+
+	// start the test server
+	connected := make(chan *Peer)
+	srv := startTestServer(t, func(srv *Server, conn net.Conn, dialAddr *peerAddr) *Peer {
+		if conn == nil {
+			t.Error("peer func called with nil conn")
+		}
+		peer := newPeer(conn, nil, dialAddr)
+		connected <- peer
+		return peer
+	})
+	defer close(connected)
+	defer srv.Stop()
+
+	// tell the server to connect.
+	connAddr := newPeerAddr(listener.Addr(), nil)
+	srv.peerConnect <- connAddr
+
+	select {
+	case conn := <-accepted:
+		select {
+		case peer := <-connected:
+			if peer.conn.RemoteAddr().String() != conn.LocalAddr().String() {
+				t.Errorf("peer started with wrong conn: got %v, want %v",
+					peer.conn.RemoteAddr(), conn.LocalAddr())
+			}
+			if peer.dialAddr != connAddr {
+				t.Errorf("peer started with wrong dialAddr: got %v, want %v",
+					peer.dialAddr, connAddr)
+			}
+		case <-time.After(1 * time.Second):
+			t.Error("server did not launch peer within one second")
+		}
+
+	case <-time.After(1 * time.Second):
+		t.Error("server did not connect within one second")
+	}
+}
+
+func TestServerBroadcast(t *testing.T) {
+	defer testlog(t).detach()
+	var connected sync.WaitGroup
+	srv := startTestServer(t, func(srv *Server, c net.Conn, dialAddr *peerAddr) *Peer {
+		peer := newPeer(c, []Protocol{discard}, dialAddr)
+		peer.startSubprotocols([]Cap{discard.cap()})
+		connected.Done()
+		return peer
+	})
+	defer srv.Stop()
+
+	// dial a bunch of conns
+	var conns = make([]net.Conn, 8)
+	connected.Add(len(conns))
+	deadline := time.Now().Add(3 * time.Second)
+	dialer := &net.Dialer{Deadline: deadline}
+	for i := range conns {
+		conn, err := dialer.Dial("tcp", srv.ListenAddr)
+		if err != nil {
+			t.Fatalf("conn %d: dial error: %v", i, err)
+		}
+		defer conn.Close()
+		conn.SetDeadline(deadline)
+		conns[i] = conn
+	}
+	connected.Wait()
+
+	// broadcast one message
+	srv.Broadcast("discard", 0, "foo")
+	goldbuf := new(bytes.Buffer)
+	writeMsg(goldbuf, NewMsg(16, "foo"))
+	golden := goldbuf.Bytes()
+
+	// check that the message has been written everywhere
+	for i, conn := range conns {
+		buf := make([]byte, len(golden))
+		if _, err := io.ReadFull(conn, buf); err != nil {
+			t.Errorf("conn %d: read error: %v", i, err)
+		} else if !bytes.Equal(buf, golden) {
+			t.Errorf("conn %d: msg mismatch\ngot:  %x\nwant: %x", i, buf, golden)
+		}
+	}
+}