go-waku/waku/v2/node/connectedness_test.go

109 lines
2.8 KiB
Go

package node
import (
"context"
"net"
"sync"
"testing"
"time"
"github.com/stretchr/testify/require"
)
func checkConnectedness(t *testing.T, wg *sync.WaitGroup, connStatusChan chan ConnStatus, clientNode *WakuNode, node *WakuNode, nodeShouldBeConnected bool, shouldBeOnline bool, shouldHaveHistory bool, expectedPeers int) {
wg.Add(1)
defer wg.Done()
timeout := time.After(5 * time.Second)
select {
case connStatus := <-connStatusChan:
_, ok := connStatus.Peers[node.Host().ID()]
if (nodeShouldBeConnected && ok) || (!nodeShouldBeConnected && !ok) {
// Only execute the test when the node is connected or disconnected and it does not appear in the map returned by the connection status channel
require.True(t, connStatus.IsOnline == shouldBeOnline)
require.True(t, connStatus.HasHistory == shouldHaveHistory)
require.Len(t, clientNode.Host().Network().Peers(), expectedPeers)
return
}
case <-timeout:
require.Fail(t, "node should have connected")
}
}
func TestConnectionStatusChanges(t *testing.T) {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
connStatusChan := make(chan ConnStatus, 100)
// Node1: Only Relay
hostAddr1, err := net.ResolveTCPAddr("tcp", "0.0.0.0:0")
require.NoError(t, err)
node1, err := New(ctx,
WithHostAddress(hostAddr1),
WithWakuRelay(),
WithConnectionStatusChannel(connStatusChan),
)
require.NoError(t, err)
err = node1.Start()
require.NoError(t, err)
// Node2: Relay
hostAddr2, err := net.ResolveTCPAddr("tcp", "0.0.0.0:0")
require.NoError(t, err)
node2, err := New(ctx,
WithHostAddress(hostAddr2),
WithWakuRelay(),
)
require.NoError(t, err)
err = node2.Start()
require.NoError(t, err)
// Node3: Relay + Store
hostAddr3, err := net.ResolveTCPAddr("tcp", "0.0.0.0:0")
require.NoError(t, err)
node3, err := New(ctx,
WithHostAddress(hostAddr3),
WithWakuRelay(),
WithWakuStore(false, false),
)
require.NoError(t, err)
err = node3.Start()
require.NoError(t, err)
var wg sync.WaitGroup
go checkConnectedness(t, &wg, connStatusChan, node1, node2, true, true, false, 1)
err = node1.DialPeer(ctx, node2.ListenAddresses()[0].String())
require.NoError(t, err)
wg.Wait()
go checkConnectedness(t, &wg, connStatusChan, node1, node3, true, true, true, 2)
err = node1.DialPeer(ctx, node3.ListenAddresses()[0].String())
require.NoError(t, err)
go checkConnectedness(t, &wg, connStatusChan, node1, node3, false, true, false, 1)
node3.Stop()
wg.Wait()
go checkConnectedness(t, &wg, connStatusChan, node1, node2, false, false, false, 0)
err = node1.ClosePeerById(node2.Host().ID())
require.NoError(t, err)
wg.Wait()
go checkConnectedness(t, &wg, connStatusChan, node1, node2, true, true, false, 1)
err = node1.DialPeerByID(ctx, node2.Host().ID())
require.NoError(t, err)
wg.Wait()
}