Keep time limits with their operations

[onechat] / whatsapp_fake_helper_test.go

diff --git a/whatsapp_fake_helper_test.go b/whatsapp_fake_helper_test.go
index 1625fe3b8729b9c3f9240e161797903229462c24..9f80b382dfb096d91fe4cb18638e7faef45684f8 100644 (file)
--- a/whatsapp_fake_helper_test.go
+++ b/whatsapp_fake_helper_test.go
@@ -3,13 +3,13 @@ package main
 import (
        "context"
        "fmt"
-       "io"
-       "log"
+       "log/slog"
        "os"
        "path/filepath"
        "slices"
        "sync"
        "testing"
+       "testing/synctest"
        "time"
 
        "github.com/stretchr/testify/require"
@@ -84,6 +84,10 @@ type WhatsAppFake struct {
        logoutErr     error
        groups        []*types.GroupInfo
        sendErr       error
+       downloadData  []byte
+       downloadErr   error
+       downloadWait  time.Duration
+       downloads     []whatsmeow.DownloadableMessage
        phones        []string
        logouts       int
        sent          []WhatsAppFakeSend
@@ -169,6 +173,36 @@ func (f *WhatsAppFake) GetJoinedGroups(_ context.Context) ([]*types.GroupInfo, e
        return f.groups, nil
 }
 
+// Download waits for downloadWait, records the request, and returns the made-up
+// image or downloadErr. A canceled context ends the wait.
+func (f *WhatsAppFake) Download(ctx context.Context, message whatsmeow.DownloadableMessage) ([]byte, error) {
+       if f.downloadWait > 0 {
+               timer := time.NewTimer(f.downloadWait)
+               defer timer.Stop()
+
+               select {
+               case <-ctx.Done():
+                       return nil, ctx.Err()
+               case <-timer.C:
+               }
+       }
+
+       f.mutex.Lock()
+       defer f.mutex.Unlock()
+
+       f.downloads = append(f.downloads, message)
+
+       return slices.Clone(f.downloadData), f.downloadErr
+}
+
+// Downloads returns the media requested from the fake.
+func (f *WhatsAppFake) Downloads() []whatsmeow.DownloadableMessage {
+       f.mutex.Lock()
+       defer f.mutex.Unlock()
+
+       return slices.Clone(f.downloads)
+}
+
 // GenerateMessageID returns a new message ID.
 func (f *WhatsAppFake) GenerateMessageID() types.MessageID {
        f.mutex.Lock()
@@ -249,6 +283,34 @@ type WhatsAppFakeSend struct {
        id   string
 }
 
+// WhatsAppRetryTest runs WhatsApp without a model or network client call. All
+// timers and channels belong to its synctest bubble, so backoff uses fake time.
+type WhatsAppRetryTest struct {
+       whatsapp *WhatsApp
+       fake     *WhatsAppFake
+       logs     *SyncBuffer
+       loop     *TurnLoop
+       events   *TurnEventRecorder
+       cancel   context.CancelFunc
+       done     chan error
+}
+
+func (r *WhatsAppRetryTest) start(t *testing.T) {
+       t.Helper()
+
+       ctx, cancel := context.WithCancel(t.Context())
+       r.cancel = cancel
+       r.done = make(chan error, 1)
+       go func() {
+               r.done <- r.whatsapp.Run(ctx, r.loop, r.events.Add)
+       }()
+
+       t.Cleanup(func() {
+               cancel()
+               synctest.Wait()
+       })
+}
+
 // whatsappStartTest opens the WhatsApp of the data directory dir with a fake
 // client and the test clock, and closes it at the end of the test. The daemon
 // log goes to the returned buffer.
@@ -261,7 +323,7 @@ func whatsappStartTest(t *testing.T, dir string, clock *TestClock) (*WhatsApp, *
        }
 
        logs := &SyncBuffer{}
-       whatsapp, err := openWhatsApp(t.Context(), dir, clock.Now, log.New(logs, "", 0), fake.newClient)
+       whatsapp, err := openWhatsApp(t.Context(), dir, clock.Now, daemonTestLogger(logs), fake.newClient)
        require.NoError(t, err)
 
        t.Cleanup(func() {
@@ -306,8 +368,8 @@ func whatsappTestSession(t *testing.T, dir string, linked bool) {
 }
 
 // whatsappDiscardLog is a logger for a WhatsApp whose log a test does not read.
-func whatsappDiscardLog() *log.Logger {
-       return log.New(io.Discard, "", 0)
+func whatsappDiscardLog() *slog.Logger {
+       return slog.New(slog.DiscardHandler)
 }
 
 // whatsappTestMessage returns the event of the text message id of sender in
@@ -352,7 +414,7 @@ func whatsappTestLogTexts(t *testing.T, memory *Memory) []string {
 }
 
 // whatsappStartTestLinked opens a WhatsApp with a linked device in a temporary
-// directory, with a quiet time of 50 ms for its batches.
+// directory.
 func whatsappStartTestLinked(t *testing.T) (*WhatsApp, *WhatsAppFake) {
        t.Helper()
 
@@ -360,7 +422,6 @@ func whatsappStartTestLinked(t *testing.T) (*WhatsApp, *WhatsAppFake) {
        whatsappTestSession(t, dir, true)
 
        whatsapp, fake, _ := whatsappStartTest(t, dir, newTestClock())
-       whatsapp.state.quiet = 50 * time.Millisecond
 
        return whatsapp, fake
 }
@@ -388,3 +449,22 @@ func whatsappTestContacts(t *testing.T, whatsapp *WhatsApp) {
        require.NoError(t, err)
        require.NoError(t, contacts.PutContactName(t.Context(), whatsappTestOwn, "Me", "Me Souza"))
 }
+
+func whatsappRetryTest(t *testing.T) *WhatsAppRetryTest {
+       t.Helper()
+
+       dir := t.TempDir()
+       whatsappTestSession(t, dir, true)
+
+       whatsapp, fake, logs := whatsappStartTest(t, dir, newTestClock())
+       whatsapp.clock = time.Now
+       loop, events := newTestIdleTurnLoop(t, whatsapp)
+
+       return &WhatsAppRetryTest{
+               whatsapp: whatsapp,
+               fake:     fake,
+               logs:     logs,
+               loop:     loop,
+               events:   events,
+       }
+}