syncthing/lib/discover/local_test.go

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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"
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"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)
}
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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")
}
}