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tailscale/ipn/fake_test.go

123 lines
2.5 KiB
Go

// Copyright (c) 2020 Tailscale Inc & AUTHORS All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package ipn
import (
"time"
"tailscale.com/ipn/ipnstate"
"tailscale.com/tailcfg"
"tailscale.com/types/netmap"
)
type FakeBackend struct {
serverURL string
notify func(n Notify)
live bool
}
func (b *FakeBackend) Start(opts Options) error {
b.serverURL = opts.Prefs.ControlURL
if b.notify == nil {
panic("FakeBackend.Start: SetNotifyCallback not called")
}
nl := NeedsLogin
if b.notify != nil {
b.notify(Notify{Prefs: opts.Prefs})
b.notify(Notify{State: &nl})
}
return nil
}
func (b *FakeBackend) SetNotifyCallback(notify func(Notify)) {
if notify == nil {
panic("FakeBackend.SetNotifyCallback: notify is nil")
}
b.notify = notify
}
func (b *FakeBackend) newState(s State) {
if b.notify != nil {
b.notify(Notify{State: &s})
}
if s == Running {
b.live = true
} else {
b.live = false
}
}
func (b *FakeBackend) StartLoginInteractive() {
u := b.serverURL + "/this/is/fake"
if b.notify != nil {
b.notify(Notify{BrowseToURL: &u})
}
b.login()
}
func (b *FakeBackend) Login(token *tailcfg.Oauth2Token) {
b.login()
}
func (b *FakeBackend) login() {
b.newState(NeedsMachineAuth)
b.newState(Stopped)
// TODO(apenwarr): Fill in a more interesting netmap here.
if b.notify != nil {
b.notify(Notify{NetMap: &netmap.NetworkMap{}})
}
b.newState(Starting)
// TODO(apenwarr): Fill in a more interesting status.
if b.notify != nil {
b.notify(Notify{Engine: &EngineStatus{}})
}
b.newState(Running)
}
func (b *FakeBackend) Logout() {
b.newState(NeedsLogin)
}
func (b *FakeBackend) SetPrefs(new *Prefs) {
if new == nil {
panic("FakeBackend.SetPrefs got nil prefs")
}
if b.notify != nil {
b.notify(Notify{Prefs: new.Clone()})
}
if new.WantRunning && !b.live {
b.newState(Starting)
b.newState(Running)
} else if !new.WantRunning && b.live {
b.newState(Stopped)
}
}
func (b *FakeBackend) EditPrefs(mp *MaskedPrefs) {
// This fake implementation only cares about this one pref.
if mp.WantRunningSet {
b.SetPrefs(&mp.Prefs)
}
}
func (b *FakeBackend) RequestEngineStatus() {
if b.notify != nil {
b.notify(Notify{Engine: &EngineStatus{}})
}
}
func (b *FakeBackend) FakeExpireAfter(x time.Duration) {
if b.notify != nil {
b.notify(Notify{NetMap: &netmap.NetworkMap{}})
}
}
func (b *FakeBackend) Ping(ip string, useTSMP bool) {
if b.notify != nil {
b.notify(Notify{PingResult: &ipnstate.PingResult{}})
}
}