// 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 http://mozilla.org/MPL/2.0/. package discover import ( "net" "testing" "github.com/syncthing/syncthing/lib/protocol" ) func TestRandomLocalInstanceID(t *testing.T) { c, err := NewLocal(protocol.LocalDeviceID, ":0", &fakeAddressLister{}) if err != nil { t.Fatal(err) } go c.Serve() defer c.Stop() lc := c.(*localClient) p0 := lc.announcementPkt() p1 := lc.announcementPkt() if p0.InstanceID == p1.InstanceID { t.Error("each generated packet should have a new instance id") } } func TestLocalInstanceIDShouldTriggerNew(t *testing.T) { c, err := NewLocal(protocol.LocalDeviceID, ":0", &fakeAddressLister{}) 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") } }