go-libp2p-rendezvous/svc_test.go
gfanton 9b89e527ce feat: update rendezvous module name
Signed-off-by: gfanton <8671905+gfanton@users.noreply.github.com>
2022-11-15 11:02:12 +01:00

246 lines
7.4 KiB
Go

package rendezvous
import (
"context"
"fmt"
"math/rand"
"testing"
"time"
ggio "github.com/gogo/protobuf/io"
"github.com/libp2p/go-libp2p/core/host"
inet "github.com/libp2p/go-libp2p/core/network"
"github.com/libp2p/go-libp2p/core/peer"
mocknet "github.com/libp2p/go-libp2p/p2p/net/mock"
"github.com/stretchr/testify/require"
db "github.com/berty/go-libp2p-rendezvous/db/sqlite"
pb "github.com/berty/go-libp2p-rendezvous/pb"
"github.com/berty/go-libp2p-rendezvous/test_utils"
)
func getRendezvousHosts(t *testing.T, ctx context.Context, m mocknet.Mocknet, n int) []host.Host {
return test_utils.GetRendezvousHosts(t, ctx, m, n)
}
func makeRendezvousService(ctx context.Context, host host.Host, path string) (*RendezvousService, error) {
dbi, err := db.OpenDB(ctx, path)
if err != nil {
return nil, err
}
return NewRendezvousService(host, dbi), nil
}
func getRendezvousPointsTest(t *testing.T, hosts []host.Host) []RendezvousPoint {
clients := make([]RendezvousPoint, len(hosts)-1)
for i, host := range hosts[1:] {
clients[i] = NewRendezvousPoint(host, hosts[0].ID())
}
return clients
}
func TestSVCRegistrationAndDiscovery(t *testing.T) {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
m := mocknet.New()
defer m.Close()
hosts := getRendezvousHosts(t, ctx, m, 5)
svc, err := makeRendezvousService(ctx, hosts[0], ":memory:")
require.NoError(t, err)
defer svc.DB.Close()
clients := getRendezvousPointsTest(t, hosts)
const registerTTL = 60
recordTTL, err := clients[0].Register(ctx, "foo1", registerTTL)
require.NoError(t, err)
require.Equalf(t, registerTTL*time.Second, recordTTL, "expected record TTL to be %d seconds", DefaultTTL)
rrs, cookie, err := clients[0].Discover(ctx, "foo1", 10, nil)
require.NoError(t, err)
require.Len(t, rrs, 1)
checkHostRegistration(t, rrs[0], hosts[1])
for i, client := range clients[1:] {
recordTTL, err = client.Register(ctx, "foo1", registerTTL)
require.NoError(t, err)
require.Equalf(t, registerTTL*time.Second, recordTTL, "expected record TTL to be %d seconds", DefaultTTL)
rrs, cookie, err = clients[0].Discover(ctx, "foo1", 10, cookie)
require.NoError(t, err)
require.Len(t, rrs, 1)
checkHostRegistration(t, rrs[0], hosts[2+i])
}
for _, client := range clients[1:] {
rrs, _, err = client.Discover(ctx, "foo1", 10, nil)
require.NoError(t, err)
require.Len(t, rrs, 4)
for j, rr := range rrs {
checkHostRegistration(t, rr, hosts[1+j])
}
}
err = clients[0].Unregister(ctx, "foo1")
require.NoError(t, err)
for _, client := range clients[0:] {
rrs, _, err = client.Discover(ctx, "foo1", 10, nil)
require.NoError(t, err)
require.Lenf(t, rrs, 3, "Expected 3 registrations, got %d", len(rrs))
for j, rr := range rrs {
checkHostRegistration(t, rr, hosts[2+j])
}
}
err = clients[1].Unregister(ctx, "")
require.NoError(t, err)
for _, client := range clients[0:] {
rrs, _, err = client.Discover(ctx, "foo1", 10, nil)
require.NoError(t, err)
require.Len(t, rrs, 2)
for j, rr := range rrs {
checkHostRegistration(t, rr, hosts[3+j])
}
}
}
func checkHostRegistration(t *testing.T, rr Registration, host host.Host) {
if rr.Peer.ID != host.ID() {
t.Fatal("bad registration: peer ID doesn't match host ID")
}
addrs := host.Addrs()
raddrs := rr.Peer.Addrs
require.Equal(t, len(addrs), len(raddrs), "bad registration: peer address length mismatch")
for i, addr := range addrs {
raddr := raddrs[i]
require.True(t, addr.Equal(raddr), "bad registration: peer address mismatch")
}
}
func TestSVCErrors(t *testing.T) {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
m := mocknet.New()
defer m.Close()
hosts := getRendezvousHosts(t, ctx, m, 2)
svc, err := makeRendezvousService(ctx, hosts[0], ":memory:")
require.NoError(t, err)
defer svc.DB.Close()
// testable registration errors
res, err := doTestRequest(ctx, hosts[1], hosts[0].ID(),
newRegisterMessage("", peer.AddrInfo{}, 0))
require.NoError(t, err)
require.Equal(t, pb.Message_E_INVALID_NAMESPACE, res.GetRegisterResponse().GetStatus())
badns := make([]byte, 2*MaxNamespaceLength)
rand.Read(badns)
res, err = doTestRequest(ctx, hosts[1], hosts[0].ID(),
newRegisterMessage(string(badns), peer.AddrInfo{}, 0))
require.NoError(t, err)
require.Equal(t, pb.Message_E_INVALID_NAMESPACE, res.GetRegisterResponse().GetStatus())
res, err = doTestRequest(ctx, hosts[1], hosts[0].ID(),
newRegisterMessage("foo", peer.AddrInfo{}, 0))
require.NoError(t, err)
require.Equal(t, pb.Message_E_INVALID_PEER_INFO, res.GetRegisterResponse().GetStatus())
res, err = doTestRequest(ctx, hosts[1], hosts[0].ID(),
newRegisterMessage("foo", peer.AddrInfo{ID: peer.ID("blah")}, 0))
require.NoError(t, err)
require.Equal(t, pb.Message_E_INVALID_PEER_INFO, res.GetRegisterResponse().GetStatus())
p, err := peer.Decode("QmVr26fY1tKyspEJBniVhqxQeEjhF78XerGiqWAwraVLQH")
require.NoError(t, err)
res, err = doTestRequest(ctx, hosts[1], hosts[0].ID(),
newRegisterMessage("foo", peer.AddrInfo{ID: p}, 0))
require.NoError(t, err)
require.Equal(t, pb.Message_E_INVALID_PEER_INFO, res.GetRegisterResponse().GetStatus())
res, err = doTestRequest(ctx, hosts[1], hosts[0].ID(),
newRegisterMessage("foo", peer.AddrInfo{ID: hosts[1].ID()}, 0))
require.NoError(t, err)
require.Equal(t, pb.Message_E_INVALID_PEER_INFO, res.GetRegisterResponse().GetStatus())
res, err = doTestRequest(ctx, hosts[1], hosts[0].ID(),
newRegisterMessage("foo", peer.AddrInfo{ID: hosts[1].ID(), Addrs: hosts[1].Addrs()}, 2*MaxTTL))
require.NoError(t, err)
require.Equal(t, pb.Message_E_INVALID_TTL, res.GetRegisterResponse().GetStatus())
// do MaxRegistrations
for i := 0; i < MaxRegistrations+1; i++ {
ns := fmt.Sprintf("foo%d", i)
res, err = doTestRequest(ctx, hosts[1], hosts[0].ID(),
newRegisterMessage(ns, peer.AddrInfo{ID: hosts[1].ID(), Addrs: hosts[1].Addrs()}, 0))
if err != nil {
t.Fatal(err)
}
if res.GetRegisterResponse().GetStatus() != pb.Message_OK {
t.Fatal("expected OK")
}
}
// and now fail
res, err = doTestRequest(ctx, hosts[1], hosts[0].ID(),
newRegisterMessage("foo", peer.AddrInfo{ID: hosts[1].ID(), Addrs: hosts[1].Addrs()}, 0))
require.NoError(t, err)
require.Equal(t, pb.Message_E_NOT_AUTHORIZED, res.GetRegisterResponse().GetStatus())
// testable discovery errors
res, err = doTestRequest(ctx, hosts[1], hosts[0].ID(),
newDiscoverMessage(string(badns), 0, nil))
require.NoError(t, err)
require.Equal(t, pb.Message_E_INVALID_NAMESPACE, res.GetDiscoverResponse().GetStatus())
badcookie := make([]byte, 10)
rand.Read(badcookie)
res, err = doTestRequest(ctx, hosts[1], hosts[0].ID(),
newDiscoverMessage("foo", 0, badcookie))
require.NoError(t, err)
require.Equal(t, pb.Message_E_INVALID_COOKIE, res.GetDiscoverResponse().GetStatus())
badcookie = make([]byte, 40)
rand.Read(badcookie)
res, err = doTestRequest(ctx, hosts[1], hosts[0].ID(),
newDiscoverMessage("foo", 0, badcookie))
require.NoError(t, err)
require.Equal(t, pb.Message_E_INVALID_COOKIE, res.GetDiscoverResponse().GetStatus())
}
func doTestRequest(ctx context.Context, host host.Host, rp peer.ID, m *pb.Message) (*pb.Message, error) {
s, err := host.NewStream(ctx, rp, RendezvousProto)
if err != nil {
return nil, err
}
defer s.Close()
r := ggio.NewDelimitedReader(s, inet.MessageSizeMax)
w := ggio.NewDelimitedWriter(s)
err = w.WriteMsg(m)
if err != nil {
return nil, err
}
res := new(pb.Message)
err = r.ReadMsg(res)
if err != nil {
return nil, err
}
return res, nil
}