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- // Copyright (C) 2016 The Syncthing Authors.
- //
- // This Source Code Form is subject to the terms of the Mozilla Public
- // License, v. 2.0. If a copy of the MPL was not distributed with this file,
- // You can obtain one at https://mozilla.org/MPL/2.0/.
- package discover
- import (
- "bytes"
- "context"
- "fmt"
- "net"
- "testing"
- "github.com/syncthing/syncthing/lib/events"
- "github.com/syncthing/syncthing/lib/protocol"
- )
- func TestLocalInstanceID(t *testing.T) {
- c, err := NewLocal(protocol.LocalDeviceID, ":0", &fakeAddressLister{}, events.NoopLogger)
- if err != nil {
- t.Fatal(err)
- }
- ctx, cancel := context.WithCancel(context.Background())
- go c.Serve(ctx)
- defer cancel()
- lc := c.(*localClient)
- p0, ok := lc.announcementPkt(1, nil)
- if !ok {
- t.Fatal("unexpectedly not ok")
- }
- p1, ok := lc.announcementPkt(2, nil)
- if !ok {
- t.Fatal("unexpectedly not ok")
- }
- if bytes.Equal(p0, p1) {
- t.Error("each generated packet should have a new instance id")
- }
- }
- func TestLocalInstanceIDShouldTriggerNew(t *testing.T) {
- c, err := NewLocal(protocol.LocalDeviceID, ":0", &fakeAddressLister{}, events.NoopLogger)
- if err != nil {
- t.Fatal(err)
- }
- lc := c.(*localClient)
- src := &net.UDPAddr{IP: []byte{10, 20, 30, 40}, Port: 50}
- new := lc.registerDevice(src, Announce{
- ID: protocol.DeviceID{10, 20, 30, 40, 50, 60, 70, 80, 90},
- Addresses: []string{"tcp://0.0.0.0:22000"},
- InstanceID: 1234567890,
- })
- if !new {
- t.Fatal("first register should be new")
- }
- new = lc.registerDevice(src, Announce{
- ID: protocol.DeviceID{10, 20, 30, 40, 50, 60, 70, 80, 90},
- Addresses: []string{"tcp://0.0.0.0:22000"},
- InstanceID: 1234567890,
- })
- if new {
- t.Fatal("second register should not be new")
- }
- new = lc.registerDevice(src, Announce{
- ID: protocol.DeviceID{42, 10, 20, 30, 40, 50, 60, 70, 80, 90},
- Addresses: []string{"tcp://0.0.0.0:22000"},
- InstanceID: 1234567890,
- })
- if !new {
- t.Fatal("new device ID should be new")
- }
- new = lc.registerDevice(src, Announce{
- ID: protocol.DeviceID{10, 20, 30, 40, 50, 60, 70, 80, 90},
- Addresses: []string{"tcp://0.0.0.0:22000"},
- InstanceID: 91234567890,
- })
- if !new {
- t.Fatal("new instance ID should be new")
- }
- }
- func TestFilterUndialable(t *testing.T) {
- addrs := []string{
- "quic://[2001:db8::1]:22000", // OK
- "tcp://192.0.2.42:22000", // OK
- "quic://[2001:db8::1]:0", // remove, port zero
- "tcp://192.0.2.42:0", // remove, port zero
- "quic://[::]:22000", // OK
- "tcp://0.0.0.0:22000", // OK
- "tcp://[2001:db8::1]", // remove, no port
- "tcp://192.0.2.42", // remove, no port
- "tcp://foo:bar", // remove, host/port does not resolve
- "tcp://127.0.0.1:22000", // remove, not usable from outside
- "tcp://[::1]:22000", // remove, not usable from outside
- "tcp://224.1.2.3:22000", // remove, not usable from outside (multicast)
- "tcp://[fe80::9ef:dff1:b332:5e56]:55681", // OK
- "pure garbage", // remove, garbage
- "", // remove, garbage
- }
- exp := []string{
- "quic://[2001:db8::1]:22000",
- "tcp://192.0.2.42:22000",
- "quic://[::]:22000",
- "tcp://0.0.0.0:22000",
- "tcp://[fe80::9ef:dff1:b332:5e56]:55681",
- }
- res := filterUndialableLocal(addrs)
- if fmt.Sprint(res) != fmt.Sprint(exp) {
- t.Log(res)
- t.Error("filterUndialableLocal returned invalid addresses")
- }
- }
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