Files
go-libp2p/p2p/net/swarm/swarm_event_test.go
2023-06-03 02:24:50 -07:00

67 lines
2.2 KiB
Go

package swarm_test
import (
"context"
"testing"
"time"
"github.com/libp2p/go-libp2p/core/event"
"github.com/libp2p/go-libp2p/core/network"
"github.com/libp2p/go-libp2p/p2p/host/eventbus"
. "github.com/libp2p/go-libp2p/p2p/net/swarm"
swarmt "github.com/libp2p/go-libp2p/p2p/net/swarm/testing"
ma "github.com/multiformats/go-multiaddr"
"github.com/stretchr/testify/require"
)
func newSwarmWithSubscription(t *testing.T) (*Swarm, event.Subscription) {
t.Helper()
bus := eventbus.NewBus()
sw := swarmt.GenSwarm(t, swarmt.EventBus(bus))
t.Cleanup(func() { sw.Close() })
sub, err := bus.Subscribe(new(event.EvtPeerConnectednessChanged))
require.NoError(t, err)
t.Cleanup(func() { sub.Close() })
return sw, sub
}
func checkEvent(t *testing.T, sub event.Subscription, expected event.EvtPeerConnectednessChanged) {
t.Helper()
select {
case ev, ok := <-sub.Out():
require.True(t, ok)
evt := ev.(event.EvtPeerConnectednessChanged)
require.Equal(t, expected.Connectedness, evt.Connectedness, "wrong connectedness state")
require.Equal(t, expected.Peer, evt.Peer)
case <-time.After(time.Second):
t.Fatal("didn't get PeerConnectedness event")
}
// check that there are no more events
select {
case <-sub.Out():
t.Fatal("didn't expect any more events")
case <-time.After(100 * time.Millisecond):
return
}
}
func TestConnectednessEventsSingleConn(t *testing.T) {
s1, sub1 := newSwarmWithSubscription(t)
s2, sub2 := newSwarmWithSubscription(t)
s1.Peerstore().AddAddrs(context.Background(), s2.LocalPeer(), []ma.Multiaddr{s2.ListenAddresses()[0]}, time.Hour)
_, err := s1.DialPeer(context.Background(), s2.LocalPeer())
require.NoError(t, err)
checkEvent(t, sub1, event.EvtPeerConnectednessChanged{Peer: s2.LocalPeer(), Connectedness: network.Connected})
checkEvent(t, sub2, event.EvtPeerConnectednessChanged{Peer: s1.LocalPeer(), Connectedness: network.Connected})
for _, c := range s2.ConnsToPeer(s1.LocalPeer()) {
require.NoError(t, c.Close())
}
checkEvent(t, sub1, event.EvtPeerConnectednessChanged{Peer: s2.LocalPeer(), Connectedness: network.NotConnected})
checkEvent(t, sub2, event.EvtPeerConnectednessChanged{Peer: s1.LocalPeer(), Connectedness: network.NotConnected})
}