ceremonyclient/go-libp2p/p2p/test/resource-manager/echo_test.go

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2023-08-21 03:50:38 +00:00
package itest
import (
"context"
"testing"
"github.com/libp2p/go-libp2p"
"github.com/libp2p/go-libp2p/core/peer"
"github.com/libp2p/go-libp2p/core/peerstore"
"github.com/libp2p/go-libp2p/p2p/transport/tcp"
"github.com/stretchr/testify/require"
)
func createEchos(t *testing.T, count int, makeOpts ...func(int) libp2p.Option) []*Echo {
result := make([]*Echo, 0, count)
for i := 0; i < count; i++ {
opts := make([]libp2p.Option, 0, len(makeOpts)+2)
// only use a single transport, otherwise we might end up with a TCP and a QUIC connection to the same host
opts = append(opts, libp2p.Transport(tcp.NewTCPTransport), libp2p.DefaultListenAddrs)
for _, makeOpt := range makeOpts {
opts = append(opts, makeOpt(i))
}
h, err := libp2p.New(opts...)
if err != nil {
t.Fatal(err)
}
e := NewEcho(h)
result = append(result, e)
}
for i := 0; i < count; i++ {
for j := 0; j < count; j++ {
if i == j {
continue
}
result[i].Host.Peerstore().AddAddrs(result[j].Host.ID(), result[j].Host.Addrs(), peerstore.PermanentAddrTTL)
}
}
return result
}
func closeEchos(echos []*Echo) {
for _, e := range echos {
e.Host.Close()
}
}
func checkEchoStatus(t *testing.T, e *Echo, expected EchoStatus) {
t.Helper()
require.Equal(t, expected, e.Status())
}
func TestEcho(t *testing.T) {
echos := createEchos(t, 2)
defer closeEchos(echos)
if err := echos[0].Host.Connect(context.TODO(), peer.AddrInfo{ID: echos[1].Host.ID()}); err != nil {
t.Fatal(err)
}
if err := echos[0].Echo(echos[1].Host.ID(), "hello libp2p"); err != nil {
t.Fatal(err)
}
checkEchoStatus(t, echos[1], EchoStatus{
StreamsIn: 1,
EchosIn: 1,
EchosOut: 1,
})
}