Merge

p2p/protocol_test.go

@@ -2,12 +2,89 @@ package p2p
 
 import (
 	"fmt"
+	"net"
+	"reflect"
 	"testing"
+
+	"github.com/ethereum/go-ethereum/crypto"
 )
 
+type peerId struct {
+	pubkey []byte
+}
+
+func (self *peerId) String() string {
+	return fmt.Sprintf("test peer %x", self.Pubkey()[:4])
+}
+
+func (self *peerId) Pubkey() (pubkey []byte) {
+	pubkey = self.pubkey
+	if len(pubkey) == 0 {
+		pubkey = crypto.GenerateNewKeyPair().PublicKey
+		self.pubkey = pubkey
+	}
+	return
+}
+
+func newTestPeer() (peer *Peer) {
+	peer = NewPeer(&peerId{}, []Cap{})
+	peer.pubkeyHook = func(*peerAddr) error { return nil }
+	peer.ourID = &peerId{}
+	peer.listenAddr = &peerAddr{}
+	peer.otherPeers = func() []*Peer { return nil }
+	return
+}
+
+func TestBaseProtocolPeers(t *testing.T) {
+	cannedPeerList := []*peerAddr{
+		{IP: net.ParseIP("1.2.3.4"), Port: 2222, Pubkey: []byte{}},
+		{IP: net.ParseIP("5.6.7.8"), Port: 3333, Pubkey: []byte{}},
+	}
+	var ownAddr *peerAddr = &peerAddr{IP: net.ParseIP("1.3.5.7"), Port: 1111, Pubkey: []byte{}}
+	rw1, rw2 := MsgPipe()
+	// run matcher, close pipe when addresses have arrived
+	addrChan := make(chan *peerAddr, len(cannedPeerList))
+	go func() {
+		for _, want := range cannedPeerList {
+			got := <-addrChan
+			t.Logf("got peer: %+v", got)
+			if !reflect.DeepEqual(want, got) {
+				t.Errorf("mismatch:  got %#v, want %#v", got, want)
+			}
+		}
+		close(addrChan)
+		var own []*peerAddr
+		var got *peerAddr
+		for got = range addrChan {
+			own = append(own, got)
+		}
+		if len(own) != 1 || !reflect.DeepEqual(ownAddr, own[0]) {
+			t.Errorf("mismatch: peers own address is incorrectly or not given, got %v, want %#v", ownAddr)
+		}
+		rw2.Close()
+	}()
+	// run first peer
+	peer1 := newTestPeer()
+	peer1.ourListenAddr = ownAddr
+	peer1.otherPeers = func() []*Peer {
+		pl := make([]*Peer, len(cannedPeerList))
+		for i, addr := range cannedPeerList {
+			pl[i] = &Peer{listenAddr: addr}
+		}
+		return pl
+	}
+	go runBaseProtocol(peer1, rw1)
+	// run second peer
+	peer2 := newTestPeer()
+	peer2.newPeerAddr = addrChan // feed peer suggestions into matcher
+	if err := runBaseProtocol(peer2, rw2); err != ErrPipeClosed {
+		t.Errorf("peer2 terminated with unexpected error: %v", err)
+	}
+}
+
 func TestBaseProtocolDisconnect(t *testing.T) {
-	peer := NewPeer(NewSimpleClientIdentity("p1", "", "", "foo"), nil)
-	peer.ourID = NewSimpleClientIdentity("p2", "", "", "bar")
+	peer := NewPeer(&peerId{}, nil)
+	peer.ourID = &peerId{}
 	peer.pubkeyHook = func(*peerAddr) error { return nil }
 
 	rw1, rw2 := MsgPipe()
@@ -32,6 +109,7 @@ func TestBaseProtocolDisconnect(t *testing.T) {
 		if err := rw2.EncodeMsg(discMsg, DiscQuitting); err != nil {
 			t.Error(err)
 		}
+
 		close(done)
 	}()