mirror of
https://git.zx2c4.com/wireguard-go
synced 2025-10-31 03:46:20 +08:00
85 lines
1.4 KiB
Go
85 lines
1.4 KiB
Go
/* SPDX-License-Identifier: GPL-2.0
|
|
*
|
|
* Copyright (C) 2017-2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
|
|
*/
|
|
|
|
package main
|
|
|
|
import (
|
|
"bytes"
|
|
"os"
|
|
"testing"
|
|
)
|
|
|
|
/* Helpers for writing unit tests
|
|
*/
|
|
|
|
type DummyTUN struct {
|
|
name string
|
|
mtu int
|
|
packets chan []byte
|
|
events chan TUNEvent
|
|
}
|
|
|
|
func (tun *DummyTUN) File() *os.File {
|
|
return nil
|
|
}
|
|
|
|
func (tun *DummyTUN) Name() string {
|
|
return tun.name
|
|
}
|
|
|
|
func (tun *DummyTUN) MTU() (int, error) {
|
|
return tun.mtu, nil
|
|
}
|
|
|
|
func (tun *DummyTUN) Write(d []byte, offset int) (int, error) {
|
|
tun.packets <- d[offset:]
|
|
return len(d), nil
|
|
}
|
|
|
|
func (tun *DummyTUN) Close() error {
|
|
return nil
|
|
}
|
|
|
|
func (tun *DummyTUN) Events() chan TUNEvent {
|
|
return tun.events
|
|
}
|
|
|
|
func (tun *DummyTUN) Read(d []byte, offset int) (int, error) {
|
|
t := <-tun.packets
|
|
copy(d[offset:], t)
|
|
return len(t), nil
|
|
}
|
|
|
|
func CreateDummyTUN(name string) (TUNDevice, error) {
|
|
var dummy DummyTUN
|
|
dummy.mtu = 0
|
|
dummy.packets = make(chan []byte, 100)
|
|
return &dummy, nil
|
|
}
|
|
|
|
func assertNil(t *testing.T, err error) {
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}
|
|
|
|
func assertEqual(t *testing.T, a []byte, b []byte) {
|
|
if bytes.Compare(a, b) != 0 {
|
|
t.Fatal(a, "!=", b)
|
|
}
|
|
}
|
|
|
|
func randDevice(t *testing.T) *Device {
|
|
sk, err := newPrivateKey()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
tun, _ := CreateDummyTUN("dummy")
|
|
logger := NewLogger(LogLevelError, "")
|
|
device := NewDevice(tun, logger)
|
|
device.SetPrivateKey(sk)
|
|
return device
|
|
}
|