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93 lines
2.0 KiB
Go
93 lines
2.0 KiB
Go
// Copyright (c) 2021 Tailscale Inc & AUTHORS All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package wgengine_test
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import (
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"testing"
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"github.com/tailscale/wireguard-go/tun"
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"tailscale.com/net/tstun"
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"tailscale.com/types/logger"
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"tailscale.com/wgengine"
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"tailscale.com/wgengine/netstack"
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"tailscale.com/wgengine/router"
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)
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func TestIsNetstack(t *testing.T) {
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e, err := wgengine.NewUserspaceEngine(t.Logf, wgengine.Config{})
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if err != nil {
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t.Fatal(err)
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}
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defer e.Close()
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if !wgengine.IsNetstack(e) {
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t.Errorf("IsNetstack = false; want true")
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}
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}
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func TestIsNetstackRouter(t *testing.T) {
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tests := []struct {
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name string
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conf wgengine.Config
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want bool
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}{
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{
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name: "no_netstack",
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conf: wgengine.Config{
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Tun: newFakeOSTUN(),
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Router: newFakeOSRouter(),
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},
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want: false,
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},
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{
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name: "netstack",
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conf: wgengine.Config{},
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want: true,
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},
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{
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name: "hybrid_netstack",
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conf: wgengine.Config{
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Tun: newFakeOSTUN(),
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Router: netstack.NewSubnetRouterWrapper(newFakeOSRouter()),
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},
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want: true,
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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e, err := wgengine.NewUserspaceEngine(logger.Discard, tt.conf)
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if err != nil {
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t.Fatal(err)
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}
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defer e.Close()
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if got := wgengine.IsNetstackRouter(e); got != tt.want {
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t.Errorf("IsNetstackRouter = %v; want %v", got, tt.want)
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}
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if got := wgengine.IsNetstackRouter(wgengine.NewWatchdog(e)); got != tt.want {
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t.Errorf("IsNetstackRouter(watchdog-wrapped) = %v; want %v", got, tt.want)
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}
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})
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}
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}
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func newFakeOSRouter() router.Router {
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return someRandoOSRouter{router.NewFake(logger.Discard)}
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}
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type someRandoOSRouter struct {
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router.Router
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}
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func newFakeOSTUN() tun.Device {
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return someRandoOSTUN{tstun.NewFake()}
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}
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type someRandoOSTUN struct {
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tun.Device
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}
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// Name returns something that is not FakeTUN.
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func (t someRandoOSTUN) Name() (string, error) { return "some_os_tun0", nil }
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