Example #1
0
func randPeer(t *testing.T) peer.ID {
	p, err := testutil.RandPeerID()
	if err != nil {
		t.Fatal(err)
	}
	return p
}
Example #2
0
func TestLatencyEWMAFun(t *testing.T) {
	t.Skip("run it for fun")

	m := peer.NewMetrics()
	id, err := testutil.RandPeerID()
	if err != nil {
		t.Fatal(err)
	}

	mu := 100.0
	sig := 10.0
	next := func() time.Duration {
		mu = (rand.NormFloat64() * sig) + mu
		return time.Duration(mu)
	}

	print := func() {
		fmt.Printf("%3.f %3.f --> %d\n", sig, mu, m.LatencyEWMA(id))
	}

	for {
		select {
		case <-time.After(200 * time.Millisecond):
			m.RecordLatency(id, next())
			print()
		}
	}
}
Example #3
0
func TestFilterAddrs(t *testing.T) {

	m := func(s string) ma.Multiaddr {
		maddr, err := ma.NewMultiaddr(s)
		if err != nil {
			t.Fatal(err)
		}
		return maddr
	}

	bad := []ma.Multiaddr{
		m("/ip4/1.2.3.4/udp/1234"),           // unreliable
		m("/ip4/1.2.3.4/udp/1234/sctp/1234"), // not in manet
		m("/ip4/1.2.3.4/udp/1234/utp"),       // utp is broken
		m("/ip4/1.2.3.4/udp/1234/udt"),       // udt is broken on arm
		m("/ip6/fe80::1/tcp/0"),              // link local
		m("/ip6/fe80::100/tcp/1234"),         // link local
	}

	good := []ma.Multiaddr{
		m("/ip4/127.0.0.1/tcp/0"),
		m("/ip6/::1/tcp/0"),
	}

	goodAndBad := append(good, bad...)

	// test filters

	for _, a := range bad {
		if addrutil.AddrUsable(a, true) {
			t.Errorf("addr %s should be unusable", a)
		}
	}

	for _, a := range good {
		if !addrutil.AddrUsable(a, true) {
			t.Errorf("addr %s should be usable", a)
		}
	}

	subtestAddrsEqual(t, addrutil.FilterUsableAddrs(bad), []ma.Multiaddr{})
	subtestAddrsEqual(t, addrutil.FilterUsableAddrs(good), good)
	subtestAddrsEqual(t, addrutil.FilterUsableAddrs(goodAndBad), good)

	// now test it with swarm

	id, err := testutil.RandPeerID()
	if err != nil {
		t.Fatal(err)
	}

	ps := peer.NewPeerstore()
	ctx := context.Background()

	if _, err := NewNetwork(ctx, bad, id, ps, metrics.NewBandwidthCounter()); err == nil {
		t.Fatal("should have failed to create swarm")
	}

	if _, err := NewNetwork(ctx, goodAndBad, id, ps, metrics.NewBandwidthCounter()); err != nil {
		t.Fatal("should have succeeded in creating swarm", err)
	}
}