// 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 TestFilterUnspecified(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", // remove, unspecified "tcp://0.0.0.0:22000", // remove, unspecified "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", "tcp://[fe80::9ef:dff1:b332:5e56]:55681", } res := filterUnspecifiedLocal(addrs) if fmt.Sprint(res) != fmt.Sprint(exp) { t.Log(res) t.Error("filterUnspecified returned invalid addresses") } }