// This test is based on go-libp2p/p2p/net/swarm.TestConnectednessCorrect
// It builds 4 nodes and connects them, one being the sole center.
// Then it checks that the center reports the correct number of peers.
func TestPeersTotal(t *testing.T) {
ctx := context.Background()
hosts := make([]*bhost.BasicHost, 4)
for i := 0; i < 4; i++ {
hosts[i] = testutil.GenHostSwarm(t, ctx)
}
dial := func(a, b inet.Network) {
testutil.DivulgeAddresses(b, a)
if _, err := a.DialPeer(ctx, b.LocalPeer()); err != nil {
t.Fatalf("Failed to dial: %s", err)
}
}
dial(hosts[0].Network(), hosts[1].Network())
dial(hosts[0].Network(), hosts[2].Network())
dial(hosts[0].Network(), hosts[3].Network())
// there's something wrong with dial, i think. it's not finishing
// completely. there must be some async stuff.
<-time.After(100 * time.Millisecond)
node := &core.IpfsNode{PeerHost: hosts[0]}
collector := IpfsNodeCollector{Node: node}
actual := collector.PeersTotalValues()
if len(actual) != 1 {
t.Fatalf("expected 1 peers transport, got %d", len(actual))
}
if actual["/ip4/tcp"] != float64(3) {
t.Fatalf("expected 3 peers, got %s", actual["/ip4/tcp"])
}
}
func setupDHT(ctx context.Context, t *testing.T) *IpfsDHT {
h := netutil.GenHostSwarm(t, ctx)
dss := dssync.MutexWrap(ds.NewMapDatastore())
d := NewDHT(ctx, h, dss)
d.Validator["v"] = &record.ValidChecker{
Func: func(key.Key, []byte) error {
return nil
},
Sign: false,
}
return d
}