ceremonyclient/go-libp2p/p2p/net/swarm/peers_test.go

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2023-08-21 03:50:38 +00:00
package swarm_test
import (
"context"
"testing"
"time"
"github.com/libp2p/go-libp2p/core/peer"
"github.com/libp2p/go-libp2p/core/peerstore"
. "github.com/libp2p/go-libp2p/p2p/net/swarm"
ma "github.com/multiformats/go-multiaddr"
"github.com/stretchr/testify/require"
)
func TestPeers(t *testing.T) {
ctx := context.Background()
swarms := makeSwarms(t, 2)
s1 := swarms[0]
s2 := swarms[1]
connect := func(s *Swarm, dst peer.ID, addr ma.Multiaddr) {
// TODO: make a DialAddr func.
s.Peerstore().AddAddr(dst, addr, peerstore.PermanentAddrTTL)
// t.Logf("connections from %s", s.LocalPeer())
// for _, c := range s.ConnsToPeer(dst) {
// t.Logf("connection from %s to %s: %v", s.LocalPeer(), dst, c)
// }
// t.Logf("")
if _, err := s.DialPeer(ctx, dst); err != nil {
t.Fatal("error swarm dialing to peer", err)
}
// t.Log(s.swarm.Dump())
}
connect(s1, s2.LocalPeer(), s2.ListenAddresses()[0])
require.Eventually(t, func() bool { return len(s2.Peers()) > 0 }, 3*time.Second, 50*time.Millisecond)
connect(s2, s1.LocalPeer(), s1.ListenAddresses()[0])
for i := 0; i < 100; i++ {
connect(s1, s2.LocalPeer(), s2.ListenAddresses()[0])
connect(s2, s1.LocalPeer(), s1.ListenAddresses()[0])
}
for _, s := range swarms {
log.Infof("%s swarm routing table: %s", s.LocalPeer(), s.Peers())
}
test := func(s *Swarm) {
expect := 1
actual := len(s.Peers())
if actual != expect {
t.Errorf("%s has %d peers, not %d: %v", s.LocalPeer(), actual, expect, s.Peers())
}
actual = len(s.Conns())
if actual != expect {
t.Errorf("%s has %d conns, not %d: %v", s.LocalPeer(), actual, expect, s.Conns())
}
}
test(s1)
test(s2)
}