Ejemplo n.º 1
0
func TestAdding(t *testing.T) {

	mn := New(context.Background())

	peers := []peer.ID{}
	for i := 0; i < 3; i++ {
		sk, _, err := testutil.RandTestKeyPair(512)
		if err != nil {
			t.Fatal(err)
		}

		a := testutil.RandLocalTCPAddress()
		h, err := mn.AddPeer(sk, a)
		if err != nil {
			t.Fatal(err)
		}

		peers = append(peers, h.ID())
	}

	p1 := peers[0]
	p2 := peers[1]

	// link them
	for _, p1 := range peers {
		for _, p2 := range peers {
			if _, err := mn.LinkPeers(p1, p2); err != nil {
				t.Error(err)
			}
		}
	}

	// set the new stream handler on p2
	h2 := mn.Host(p2)
	if h2 == nil {
		t.Fatalf("no host for %s", p2)
	}
	h2.SetStreamHandler(protocol.TestingID, func(s inet.Stream) {
		defer s.Close()

		b := make([]byte, 4)
		if _, err := io.ReadFull(s, b); err != nil {
			panic(err)
		}
		if string(b) != "beep" {
			panic("did not beep!")
		}

		if _, err := s.Write([]byte("boop")); err != nil {
			panic(err)
		}
	})

	// connect p1 to p2
	if _, err := mn.ConnectPeers(p1, p2); err != nil {
		t.Fatal(err)
	}

	// talk to p2
	h1 := mn.Host(p1)
	if h1 == nil {
		t.Fatalf("no network for %s", p1)
	}

	ctx := context.Background()
	s, err := h1.NewStream(ctx, p2, protocol.TestingID)
	if err != nil {
		t.Fatal(err)
	}

	if _, err := s.Write([]byte("beep")); err != nil {
		t.Error(err)
	}
	b := make([]byte, 4)
	if _, err := io.ReadFull(s, b); err != nil {
		t.Error(err)
	}
	if !bytes.Equal(b, []byte("boop")) {
		t.Error("bytes mismatch 2")
	}

}
Ejemplo n.º 2
0
func TestNetworkSetup(t *testing.T) {

	ctx := context.Background()
	sk1, _, err := testutil.RandTestKeyPair(512)
	if err != nil {
		t.Fatal(t)
	}
	sk2, _, err := testutil.RandTestKeyPair(512)
	if err != nil {
		t.Fatal(t)
	}
	sk3, _, err := testutil.RandTestKeyPair(512)
	if err != nil {
		t.Fatal(t)
	}
	mn := New(ctx)
	// peers := []peer.ID{p1, p2, p3}

	// add peers to mock net

	a1 := testutil.RandLocalTCPAddress()
	a2 := testutil.RandLocalTCPAddress()
	a3 := testutil.RandLocalTCPAddress()

	h1, err := mn.AddPeer(sk1, a1)
	if err != nil {
		t.Fatal(err)
	}
	p1 := h1.ID()

	h2, err := mn.AddPeer(sk2, a2)
	if err != nil {
		t.Fatal(err)
	}
	p2 := h2.ID()

	h3, err := mn.AddPeer(sk3, a3)
	if err != nil {
		t.Fatal(err)
	}
	p3 := h3.ID()

	// check peers and net
	if mn.Host(p1) != h1 {
		t.Error("host for p1.ID != h1")
	}
	if mn.Host(p2) != h2 {
		t.Error("host for p2.ID != h2")
	}
	if mn.Host(p3) != h3 {
		t.Error("host for p3.ID != h3")
	}

	n1 := h1.Network()
	if mn.Net(p1) != n1 {
		t.Error("net for p1.ID != n1")
	}
	n2 := h2.Network()
	if mn.Net(p2) != n2 {
		t.Error("net for p2.ID != n1")
	}
	n3 := h3.Network()
	if mn.Net(p3) != n3 {
		t.Error("net for p3.ID != n1")
	}

	// link p1<-->p2, p1<-->p1, p2<-->p3, p3<-->p2

	l12, err := mn.LinkPeers(p1, p2)
	if err != nil {
		t.Fatal(err)
	}
	if !(l12.Networks()[0] == n1 && l12.Networks()[1] == n2) &&
		!(l12.Networks()[0] == n2 && l12.Networks()[1] == n1) {
		t.Error("l12 networks incorrect")
	}

	l11, err := mn.LinkPeers(p1, p1)
	if err != nil {
		t.Fatal(err)
	}
	if !(l11.Networks()[0] == n1 && l11.Networks()[1] == n1) {
		t.Error("l11 networks incorrect")
	}

	l23, err := mn.LinkPeers(p2, p3)
	if err != nil {
		t.Fatal(err)
	}
	if !(l23.Networks()[0] == n2 && l23.Networks()[1] == n3) &&
		!(l23.Networks()[0] == n3 && l23.Networks()[1] == n2) {
		t.Error("l23 networks incorrect")
	}

	l32, err := mn.LinkPeers(p3, p2)
	if err != nil {
		t.Fatal(err)
	}
	if !(l32.Networks()[0] == n2 && l32.Networks()[1] == n3) &&
		!(l32.Networks()[0] == n3 && l32.Networks()[1] == n2) {
		t.Error("l32 networks incorrect")
	}

	// check things

	links12 := mn.LinksBetweenPeers(p1, p2)
	if len(links12) != 1 {
		t.Errorf("should be 1 link bt. p1 and p2 (found %d)", len(links12))
	}
	if links12[0] != l12 {
		t.Error("links 1-2 should be l12.")
	}

	links11 := mn.LinksBetweenPeers(p1, p1)
	if len(links11) != 1 {
		t.Errorf("should be 1 link bt. p1 and p1 (found %d)", len(links11))
	}
	if links11[0] != l11 {
		t.Error("links 1-1 should be l11.")
	}

	links23 := mn.LinksBetweenPeers(p2, p3)
	if len(links23) != 2 {
		t.Errorf("should be 2 link bt. p2 and p3 (found %d)", len(links23))
	}
	if !((links23[0] == l23 && links23[1] == l32) ||
		(links23[0] == l32 && links23[1] == l23)) {
		t.Error("links 2-3 should be l23 and l32.")
	}

	// unlinking

	if err := mn.UnlinkPeers(p2, p1); err != nil {
		t.Error(err)
	}

	// check only one link affected:

	links12 = mn.LinksBetweenPeers(p1, p2)
	if len(links12) != 0 {
		t.Errorf("should be 0 now...", len(links12))
	}

	links11 = mn.LinksBetweenPeers(p1, p1)
	if len(links11) != 1 {
		t.Errorf("should be 1 link bt. p1 and p1 (found %d)", len(links11))
	}
	if links11[0] != l11 {
		t.Error("links 1-1 should be l11.")
	}

	links23 = mn.LinksBetweenPeers(p2, p3)
	if len(links23) != 2 {
		t.Errorf("should be 2 link bt. p2 and p3 (found %d)", len(links23))
	}
	if !((links23[0] == l23 && links23[1] == l32) ||
		(links23[0] == l32 && links23[1] == l23)) {
		t.Error("links 2-3 should be l23 and l32.")
	}

	// check connecting

	// first, no conns
	if len(n2.Conns()) > 0 || len(n3.Conns()) > 0 {
		t.Error("should have 0 conn. Got: (%d, %d)", len(n2.Conns()), len(n3.Conns()))
	}

	// connect p2->p3
	if _, err := n2.DialPeer(ctx, p3); err != nil {
		t.Error(err)
	}

	if len(n2.Conns()) != 1 || len(n3.Conns()) != 1 {
		t.Errorf("should have (1,1) conn. Got: (%d, %d)", len(n2.Conns()), len(n3.Conns()))
	}

	// p := PrinterTo(os.Stdout)
	// p.NetworkConns(n1)
	// p.NetworkConns(n2)
	// p.NetworkConns(n3)

	// can create a stream 2->3, 3->2,
	if _, err := n2.NewStream(ctx, p3); err != nil {
		t.Error(err)
	}
	if _, err := n3.NewStream(ctx, p2); err != nil {
		t.Error(err)
	}

	// but not 1->2 nor 2->2 (not linked), nor 1->1 (not connected)
	if _, err := n1.NewStream(ctx, p2); err == nil {
		t.Error("should not be able to connect")
	}
	if _, err := n2.NewStream(ctx, p2); err == nil {
		t.Error("should not be able to connect")
	}
	if _, err := n1.NewStream(ctx, p1); err == nil {
		t.Error("should not be able to connect")
	}

	// connect p1->p1 (should work)
	if _, err := n1.DialPeer(ctx, p1); err != nil {
		t.Error("p1 should be able to dial self.", err)
	}

	// and a stream too
	if _, err := n1.NewStream(ctx, p1); err != nil {
		t.Error(err)
	}

	// connect p1->p2
	if _, err := n1.DialPeer(ctx, p2); err == nil {
		t.Error("p1 should not be able to dial p2, not connected...")
	}

	// connect p3->p1
	if _, err := n3.DialPeer(ctx, p1); err == nil {
		t.Error("p3 should not be able to dial p1, not connected...")
	}

	// relink p1->p2

	l12, err = mn.LinkPeers(p1, p2)
	if err != nil {
		t.Fatal(err)
	}
	if !(l12.Networks()[0] == n1 && l12.Networks()[1] == n2) &&
		!(l12.Networks()[0] == n2 && l12.Networks()[1] == n1) {
		t.Error("l12 networks incorrect")
	}

	// should now be able to connect

	// connect p1->p2
	if _, err := n1.DialPeer(ctx, p2); err != nil {
		t.Error(err)
	}

	// and a stream should work now too :)
	if _, err := n2.NewStream(ctx, p3); err != nil {
		t.Error(err)
	}

}