func (mn *mocknet) GenPeer() (host.Host, error) {
sk, err := p2putil.RandTestBogusPrivateKey()
if err != nil {
return nil, err
}
a := testutil.RandLocalTCPAddress()
h, err := mn.AddPeer(sk, a)
if err != nil {
return nil, err
}
return h, nil
}
func RandTestBogusIdentity() (testutil.Identity, error) {
k, err := RandTestBogusPrivateKey()
if err != nil {
return nil, err
}
id, err := peer.IDFromPrivateKey(k)
if err != nil {
return nil, err
}
return &identity{
k: k,
id: id,
a: testutil.RandLocalTCPAddress(),
}, nil
}
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")
}
}
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)
}
}