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tailscale/net/portmapper/portmapper_test.go

139 lines
3.4 KiB
Go

// Copyright (c) Tailscale Inc & AUTHORS
// SPDX-License-Identifier: BSD-3-Clause
package portmapper
import (
"context"
"os"
"reflect"
"strconv"
"testing"
"time"
"tailscale.com/control/controlknobs"
)
func TestCreateOrGetMapping(t *testing.T) {
if v, _ := strconv.ParseBool(os.Getenv("HIT_NETWORK")); !v {
t.Skip("skipping test without HIT_NETWORK=1")
}
c := NewClient(t.Logf, nil, nil, new(controlknobs.Knobs), nil)
defer c.Close()
c.SetLocalPort(1234)
for i := 0; i < 2; i++ {
if i > 0 {
time.Sleep(100 * time.Millisecond)
}
ext, err := c.createOrGetMapping(context.Background())
t.Logf("Got: %v, %v", ext, err)
}
}
func TestClientProbe(t *testing.T) {
if v, _ := strconv.ParseBool(os.Getenv("HIT_NETWORK")); !v {
t.Skip("skipping test without HIT_NETWORK=1")
}
c := NewClient(t.Logf, nil, nil, new(controlknobs.Knobs), nil)
defer c.Close()
for i := 0; i < 3; i++ {
if i > 0 {
time.Sleep(100 * time.Millisecond)
}
res, err := c.Probe(context.Background())
t.Logf("Got(t=%dms): %+v, %v", i*100, res, err)
}
}
func TestClientProbeThenMap(t *testing.T) {
if v, _ := strconv.ParseBool(os.Getenv("HIT_NETWORK")); !v {
t.Skip("skipping test without HIT_NETWORK=1")
}
c := NewClient(t.Logf, nil, nil, new(controlknobs.Knobs), nil)
defer c.Close()
c.debug.VerboseLogs = true
c.SetLocalPort(1234)
res, err := c.Probe(context.Background())
t.Logf("Probe: %+v, %v", res, err)
ext, err := c.createOrGetMapping(context.Background())
t.Logf("createOrGetMapping: %v, %v", ext, err)
}
func TestProbeIntegration(t *testing.T) {
igd, err := NewTestIGD(t.Logf, TestIGDOptions{PMP: true, PCP: true, UPnP: true})
if err != nil {
t.Fatal(err)
}
defer igd.Close()
c := newTestClient(t, igd)
t.Logf("Listening on pxp=%v, upnp=%v", c.testPxPPort, c.testUPnPPort)
defer c.Close()
res, err := c.Probe(context.Background())
if err != nil {
t.Fatalf("Probe: %v", err)
}
if !res.UPnP {
t.Errorf("didn't detect UPnP")
}
st := igd.stats()
want := igdCounters{
numUPnPDiscoRecv: 1,
numPMPRecv: 1,
numPCPRecv: 1,
numPCPDiscoRecv: 1,
numPMPPublicAddrRecv: 1,
}
if !reflect.DeepEqual(st, want) {
t.Errorf("unexpected stats:\n got: %+v\nwant: %+v", st, want)
}
t.Logf("Probe: %+v", res)
t.Logf("IGD stats: %+v", st)
// TODO(bradfitz): finish
}
func TestPCPIntegration(t *testing.T) {
igd, err := NewTestIGD(t.Logf, TestIGDOptions{PMP: false, PCP: true, UPnP: false})
if err != nil {
t.Fatal(err)
}
defer igd.Close()
c := newTestClient(t, igd)
defer c.Close()
res, err := c.Probe(context.Background())
if err != nil {
t.Fatalf("probe failed: %v", err)
}
if res.UPnP || res.PMP {
t.Errorf("probe unexpectedly saw upnp or pmp: %+v", res)
}
if !res.PCP {
t.Fatalf("probe did not see pcp: %+v", res)
}
external, err := c.createOrGetMapping(context.Background())
if err != nil {
t.Fatalf("failed to get mapping: %v", err)
}
if !external.IsValid() {
t.Errorf("got zero IP, expected non-zero")
}
if c.mapping == nil {
t.Errorf("got nil mapping after successful createOrGetMapping")
}
}
// Test to ensure that metric names generated by this function do not contain
// invalid characters.
//
// See https://github.com/tailscale/tailscale/issues/9551
func TestGetUPnPErrorsMetric(t *testing.T) {
// This will panic if the metric name is invalid.
getUPnPErrorsMetric(100)
getUPnPErrorsMetric(0)
getUPnPErrorsMetric(-100)
}