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package harness
import (
"sync"
"testing"
"time"
"github.com/target/goalert/devtools/mocktwilio"
)
type twilioAssertionAPIContext struct {
t *testing.T
*twilioAssertionAPI
}
func (w *twilioAssertionAPIContext) Device(number string) PhoneDevice {
return w.twilioAssertionAPI.Device(w.t, number)
}
func (w *twilioAssertionAPIContext) WaitAndAssert() { w.twilioAssertionAPI.WaitAndAssert(w.t) }
type twilioAssertionAPI struct {
*mocktwilio.Server
triggerFn func()
sendSMSDest string
messages []*mocktwilio.SMS
calls []*mocktwilio.VoiceCall
activeCalls []*mocktwilio.VoiceCall
ignoredSMS anyMessage
ignoredVoice anyMessage
formatNumber func(string) string
mx sync.Mutex
abortCh chan struct{}
}
func newTwilioAssertionAPI(triggerFn func(), formatNumber func(string) string, srv *mocktwilio.Server, sendSMSDest string) *twilioAssertionAPI {
return &twilioAssertionAPI{
triggerFn: triggerFn,
Server: srv,
sendSMSDest: sendSMSDest,
formatNumber: formatNumber,
abortCh: make(chan struct{}),
}
}
func (tw *twilioAssertionAPI) Close() { close(tw.abortCh); tw.Server.Close() }
func (tw *twilioAssertionAPI) WithT(t *testing.T) PhoneAssertions {
return &twilioAssertionAPIContext{t: t, twilioAssertionAPI: tw}
}
func (tw *twilioAssertionAPI) Device(t *testing.T, number string) PhoneDevice {
return &twilioAssertionDevice{
twilioAssertionAPIContext: &twilioAssertionAPIContext{t: t, twilioAssertionAPI: tw},
number: number,
}
}
func (tw *twilioAssertionAPI) triggerTimeout() (<-chan string, func()) {
cancelCh := make(chan struct{})
errMsgCh := make(chan string, 1)
t := time.NewTimer(10 * time.Second)
go func() {
defer t.Stop()
// 3 engine cycles, or timeout/cancel (whichever is sooner)
for i := 0; i < 3; i++ {
select {
case <-tw.abortCh:
errMsgCh <- "test exiting"
return
case <-t.C:
errMsgCh <- "10 seconds"
return
default:
tw.triggerFn()
}
}
select {
case <-t.C:
errMsgCh <- "10 seconds"
case <-tw.abortCh:
errMsgCh <- "test exiting"
return
}
}()
return errMsgCh, func() { close(cancelCh) }
}
func (tw *twilioAssertionAPI) WaitAndAssert(t *testing.T) {
t.Helper()
if t.Failed() {
// don't wait if test has already failed
return
}
tw.mx.Lock()
defer tw.mx.Unlock()
t.Log("WaitAndAssert: waiting for unexpected messages")
for _, sms := range tw.messages {
if tw.ignoredSMS.match(sms) {
continue
}
t.Fatalf("found unexpected SMS to %s: %s", tw.formatNumber(sms.To()), sms.Body())
}
for _, call := range tw.calls {
if tw.ignoredVoice.match(call) {
continue
}
t.Fatalf("found unexpected voice call to %s: %s", tw.formatNumber(call.To()), call.Body())
}
timeout, cancel := tw.triggerTimeout()
defer cancel()
waitLoop:
for {
select {
case sms := <-tw.SMS():
if tw.ignoredSMS.match(sms) {
sms.Accept()
continue
}
t.Fatalf("got unexpected SMS to %s: %s", tw.formatNumber(sms.To()), sms.Body())
case call := <-tw.VoiceCalls():
if tw.ignoredVoice.match(call) {
call.Accept()
call.Hangup()
continue
}
t.Fatalf("got unexpected voice call to %s: %s", tw.formatNumber(call.To()), call.Body())
case <-timeout:
break waitLoop
}
}
tw.ignoredSMS = nil
tw.ignoredVoice = nil
tw.calls = nil
tw.messages = nil
for _, call := range tw.activeCalls {
call.Hangup()
}
tw.activeCalls = nil
}
// Twilio will return PhoneAssertions for the given testing context.
func (h *Harness) Twilio(t *testing.T) PhoneAssertions { return h.tw.WithT(t) }
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