]> git.giacomolli.uk - onechat/blobdiff - whatsapp_test.go
Keep test daemon sockets under the path limit
[onechat] / whatsapp_test.go
index 7c893cc85ecbdbdb9bcb32c4b1f65a859266dad1..c1471e98e8f3c3aa2ad97daa69cd13795be3bd59 100644 (file)
@@ -2,18 +2,15 @@ package main
 
 import (
        "errors"
-       "fmt"
-       "net/http"
        "os"
        "path/filepath"
        "strings"
        "testing"
+       "testing/synctest"
        "time"
 
        "github.com/stretchr/testify/require"
        "go.mau.fi/whatsmeow"
-       "go.mau.fi/whatsmeow/proto/waE2E"
-       "go.mau.fi/whatsmeow/proto/waWeb"
        "go.mau.fi/whatsmeow/types"
        "go.mau.fi/whatsmeow/types/events"
 )
@@ -21,6 +18,7 @@ import (
 func TestWhatsAppStatusFollowsTheConnection(t *testing.T) {
        dir := t.TempDir()
        whatsappTestSession(t, dir, true)
+
        clock := newTestClock()
        whatsapp, fake, _ := whatsappStartTest(t, dir, clock)
        daemonStartTestWithWhatsApp(t, newModelFake(t), nil, whatsapp)
@@ -32,21 +30,293 @@ func TestWhatsAppStatusFollowsTheConnection(t *testing.T) {
        require.Equal(t, "WhatsApp is linked and connected since 2026-01-01 12:00.", whatsapp.Status())
 
        clock.now = clock.now.Add(20 * time.Minute)
+
        require.True(t, fake.Emit(&events.Disconnected{}))
+
        clock.now = clock.now.Add(time.Minute)
+
        require.True(t, fake.Emit(&events.Disconnected{}))
        require.Equal(t, "WhatsApp is linked and disconnected since 2026-01-01 12:20. The last connection started at 2026-01-01 12:00.", whatsapp.Status())
 }
 
 func TestWhatsAppStatusOfAFirstConnectionThatFailed(t *testing.T) {
+       synctest.Test(t, func(t *testing.T) {
+               test := whatsappRetryTest(t)
+               test.fake.connectErr = errors.New("network unavailable")
+               test.start(t)
+               synctest.Wait()
+
+               require.Equal(t, "WhatsApp is linked and disconnected since "+time.Now().Format(whatsappTimeLayout)+".", test.whatsapp.Status())
+               require.Equal(t, "<4>first connect failed, retrying: network unavailable\n", test.logs.String())
+       })
+}
+
+func TestWhatsAppRetriesTheFirstConnectionWithCappedBackoff(t *testing.T) {
+       synctest.Test(t, func(t *testing.T) {
+               test := whatsappRetryTest(t)
+               for range 10 {
+                       test.fake.connectErrors = append(test.fake.connectErrors, errors.New("network unavailable"))
+               }
+
+               test.start(t)
+               synctest.Wait()
+               require.Len(t, test.fake.Connections(), 1)
+               require.True(t, test.fake.Emit(&events.Disconnected{}))
+               require.True(t, test.fake.Emit(&events.Disconnected{}))
+
+               delays := []time.Duration{2 * time.Second, 4 * time.Second, 8 * time.Second, 16 * time.Second, 32 * time.Second, 64 * time.Second, 128 * time.Second, 256 * time.Second, 5 * time.Minute, 5 * time.Minute}
+
+               var outage time.Duration
+
+               for index, delay := range delays {
+                       time.Sleep(delay - time.Nanosecond)
+                       synctest.Wait()
+                       require.Len(t, test.fake.Connections(), index+1)
+                       time.Sleep(time.Nanosecond)
+                       synctest.Wait()
+                       require.Len(t, test.fake.Connections(), index+2)
+
+                       outage += delay
+               }
+
+               times := test.fake.ConnectionTimes()
+               for index, delay := range delays {
+                       require.Equal(t, delay, times[index+1].Sub(times[index]))
+               }
+
+               require.True(t, test.fake.Emit(&events.Connected{}))
+               require.True(t, test.fake.Emit(&events.OfflineSyncCompleted{}))
+               synctest.Wait()
+               time.Sleep(10 * time.Minute)
+               synctest.Wait()
+               require.Len(t, test.fake.Connections(), 11)
+               require.Equal(t, "<4>first connect failed, retrying: network unavailable\n<6>connected again after="+durationText(outage)+"\n", test.logs.String())
+       })
+}
+
+func TestWhatsAppFirstConnectionRetriesStopWhenContextEnds(t *testing.T) {
+       synctest.Test(t, func(t *testing.T) {
+               test := whatsappRetryTest(t)
+               test.fake.connectErr = errors.New("network unavailable")
+               test.start(t)
+               synctest.Wait()
+               time.Sleep(2 * time.Second)
+               synctest.Wait()
+               require.Len(t, test.fake.Connections(), 2)
+
+               test.cancel()
+               require.NoError(t, <-test.done)
+               time.Sleep(10 * time.Minute)
+               synctest.Wait()
+               require.Len(t, test.fake.Connections(), 2)
+       })
+}
+
+func TestWhatsAppLinkedPairRequestKeepsFirstConnectionRetries(t *testing.T) {
+       synctest.Test(t, func(t *testing.T) {
+               test := whatsappRetryTest(t)
+               test.fake.connectErr = errors.New("network unavailable")
+               test.start(t)
+               synctest.Wait()
+
+               answers := make(chan string, 1)
+               test.whatsapp.Command("pair 15550001111", func(text string) {
+                       answers <- text
+               })
+               require.Equal(t, "WhatsApp is linked already. Run /whatsapp unlink first.", <-answers)
+               synctest.Wait()
+               test.fake.mutex.Lock()
+
+               test.fake.connectErr = nil
+               test.fake.mutex.Unlock()
+               time.Sleep(whatsappRetryDelay)
+               synctest.Wait()
+               require.Len(t, test.fake.Connections(), 2)
+               require.True(t, test.fake.Emit(&events.Connected{}))
+               require.True(t, test.fake.Emit(&events.OfflineSyncCompleted{}))
+               require.Contains(t, test.whatsapp.Status(), "linked and connected since")
+               time.Sleep(whatsappRetryLimit)
+               synctest.Wait()
+               require.Len(t, test.fake.Connections(), 2)
+               require.Equal(t, "<4>first connect failed, retrying: network unavailable\n<6>connected again after=2s\n", test.logs.String())
+       })
+}
+
+func TestWhatsAppFirstConnectionRetriesStopForLinkChanges(t *testing.T) {
+       testCases := []struct {
+               name string
+               stop func(test *WhatsAppRetryTest)
+       }{
+               {
+                       name: "unlink",
+                       stop: func(test *WhatsAppRetryTest) {
+                               test.whatsapp.Command("unlink", func(_ string) {
+                               })
+                       },
+               },
+               {
+                       name: "logout",
+                       stop: func(test *WhatsAppRetryTest) {
+                               test.fake.Emit(&events.LoggedOut{})
+                       },
+               },
+               {
+                       name: "permanent disconnect",
+                       stop: func(test *WhatsAppRetryTest) {
+                               test.fake.Emit(&events.StreamReplaced{})
+                       },
+               },
+       }
+
+       for _, tc := range testCases {
+               t.Run(tc.name, func(t *testing.T) {
+                       synctest.Test(t, func(t *testing.T) {
+                               test := whatsappRetryTest(t)
+                               test.fake.connectErr = errors.New("network unavailable")
+                               test.start(t)
+                               synctest.Wait()
+                               tc.stop(test)
+                               synctest.Wait()
+                               time.Sleep(10 * time.Minute)
+                               synctest.Wait()
+                               require.Len(t, test.fake.Connections(), 1)
+                       })
+               })
+       }
+}
+
+func TestWhatsAppPairsAfterFirstConnectionRetriesStop(t *testing.T) {
+       synctest.Test(t, func(t *testing.T) {
+               test := whatsappRetryTest(t)
+               test.fake.connectErr = errors.New("network unavailable")
+               test.start(t)
+               synctest.Wait()
+               test.whatsapp.Command("unlink", func(_ string) {
+               })
+               synctest.Wait()
+               require.False(t, test.whatsapp.isLinked())
+
+               test.fake.mutex.Lock()
+
+               test.fake.connectErr = nil
+               test.fake.mutex.Unlock()
+               test.whatsapp.Command("pair 15550001111", func(_ string) {
+               })
+
+               items := <-test.fake.pairings
+               items <- whatsmeow.QRChannelItem{Event: whatsmeow.QRChannelEventCode}
+
+               synctest.Wait()
+               require.True(t, test.fake.Emit(&events.PairSuccess{
+                       ID:  types.NewADJID(whatsappTestNumber, 0, 1),
+                       LID: types.NewADJID(whatsappTestLID, 0, 1),
+               }))
+
+               items <- whatsmeow.QRChannelSuccess
+
+               synctest.Wait()
+               require.True(t, test.whatsapp.isLinked())
+               time.Sleep(10 * time.Minute)
+               synctest.Wait()
+               require.Len(t, test.fake.Connections(), 2)
+               require.Equal(t, []string{whatsappTestNumber}, test.fake.Phones())
+       })
+}
+
+func TestWhatsAppInboxFailureStopsFirstConnectionRetries(t *testing.T) {
+       synctest.Test(t, func(t *testing.T) {
+               test := whatsappRetryTest(t)
+               test.fake.connectErr = errors.New("network unavailable")
+               test.start(t)
+               synctest.Wait()
+
+               failure := errors.New("state write failed")
+               test.whatsapp.inbox.failures <- failure
+
+               require.ErrorIs(t, <-test.done, failure)
+               time.Sleep(10 * time.Minute)
+               synctest.Wait()
+               require.Len(t, test.fake.Connections(), 1)
+       })
+}
+
+func TestWhatsAppLongFirstConnectionOutageGivesOneNotice(t *testing.T) {
+       synctest.Test(t, func(t *testing.T) {
+               test := whatsappRetryTest(t)
+               test.fake.connectErr = errors.New("network unavailable")
+               test.start(t)
+               synctest.Wait()
+
+               since := time.Now().Format(whatsappTimeLayout)
+
+               time.Sleep(whatsappOutageNoticeDelay)
+               synctest.Wait()
+               require.Equal(t, 1, test.events.Count("notice"))
+               require.Equal(t, "WhatsApp is disconnected since "+since+". OneChat tries again.", test.events.Last("notice"))
+
+               time.Sleep(whatsappOutageNoticeDelay)
+               synctest.Wait()
+               require.Equal(t, 1, test.events.Count("notice"))
+               test.fake.mutex.Lock()
+
+               test.fake.connectErr = nil
+               test.fake.mutex.Unlock()
+               time.Sleep(whatsappRetryLimit)
+               synctest.Wait()
+               require.True(t, test.fake.Emit(&events.Connected{}))
+               require.True(t, test.fake.Emit(&events.OfflineSyncCompleted{}))
+               synctest.Wait()
+               require.Equal(t, 2, test.events.Count("notice"))
+               require.Equal(t, "WhatsApp is connected again.", test.events.Last("notice"))
+       })
+}
+
+func TestWhatsAppStartingRetriesDoNotDuplicateLibraryRetries(t *testing.T) {
        dir := t.TempDir()
        whatsappTestSession(t, dir, true)
-       whatsapp, fake, _ := whatsappStartTest(t, dir, newTestClock())
+
+       whatsapp, _, _ := whatsappStartTest(t, dir, newTestClock())
+       client, ok := whatsappNewClient(whatsapp.device, whatsapp.handle).(*whatsmeow.Client)
+       require.True(t, ok)
+       require.False(t, client.InitialAutoReconnect)
+       require.True(t, client.EnableAutoReconnect)
+
+       device := whatsapp.container.NewDevice()
+       client, ok = whatsappNewClient(device, whatsapp.handle).(*whatsmeow.Client)
+       require.True(t, ok)
+       require.True(t, client.InitialAutoReconnect)
+}
+
+func TestWhatsAppLogsEachChangeOfTheConnectionOnce(t *testing.T) {
+       dir := t.TempDir()
+       whatsappTestSession(t, dir, true)
+
+       clock := newTestClock()
+       whatsapp, fake, logs := whatsappStartTest(t, dir, clock)
        daemonStartTestWithWhatsApp(t, newModelFake(t), nil, whatsapp)
 
        <-fake.connects
+       require.True(t, fake.Emit(&events.Connected{}))
+
+       clock.now = clock.now.Add(time.Minute)
+
+       require.True(t, fake.Emit(&events.Disconnected{}))
+
+       clock.now = clock.now.Add(time.Minute)
+
        require.True(t, fake.Emit(&events.Disconnected{}))
-       require.Equal(t, "WhatsApp is linked and disconnected since 2026-01-01 12:00.", whatsapp.Status())
+
+       clock.now = clock.now.Add(25 * time.Second)
+
+       require.True(t, fake.Emit(&events.Connected{}))
+
+       require.Equal(t, []string{
+               "<6>connected",
+               "<4>disconnected, retrying",
+               "<6>connected again after=1m25s",
+       }, strings.Split(strings.TrimSuffix(logs.String(), "\n"), "\n"))
+       require.NotContains(t, logs.String(), whatsappTestNumber)
+       require.NotContains(t, logs.String(), whatsappTestLID)
 }
 
 func TestWhatsAppIsNotLinkedWithoutALinkedDevice(t *testing.T) {
@@ -56,7 +326,7 @@ func TestWhatsAppIsNotLinkedWithoutALinkedDevice(t *testing.T) {
        }{
                {
                        name: "no session file",
-                       session: func(t *testing.T, dir string) {
+                       session: func(_ *testing.T, _ string) {
                        },
                },
                {
@@ -71,6 +341,7 @@ func TestWhatsAppIsNotLinkedWithoutALinkedDevice(t *testing.T) {
                t.Run(tc.name, func(t *testing.T) {
                        dir := t.TempDir()
                        tc.session(t, dir)
+
                        whatsapp, _, _ := whatsappStartTest(t, dir, newTestClock())
                        require.Equal(t, "WhatsApp is not linked. Run /whatsapp pair PHONE to link it.", whatsapp.Status())
                })
@@ -116,7 +387,7 @@ func TestWhatsAppCommandsAnswerOnlyTheClientThatAsked(t *testing.T) {
 
 func TestWhatsAppPairsWithACode(t *testing.T) {
        dir := t.TempDir()
-       whatsapp, fake, _ := whatsappStartTest(t, dir, newTestClock())
+       whatsapp, fake, logs := whatsappStartTest(t, dir, newTestClock())
        server := newModelFake(t)
        socket, memory := daemonStartTestWithWhatsApp(t, server, nil, whatsapp)
        asking := terminalStartTestClient(t, socket)
@@ -125,6 +396,7 @@ func TestWhatsAppPairsWithACode(t *testing.T) {
        other.WaitFor(t, "[connected to OneChat]")
 
        asking.Type("/whatsapp pair +1 555-000-1111")
+
        items := <-fake.pairings
        items <- whatsmeow.QRChannelItem{
                Event: whatsmeow.QRChannelEventCode,
@@ -135,14 +407,25 @@ func TestWhatsAppPairsWithACode(t *testing.T) {
                ID:  types.NewADJID(whatsappTestNumber, 0, 1),
                LID: types.NewADJID(whatsappTestLID, 0, 1),
        }))
+
        items <- whatsmeow.QRChannelSuccess
+
        asking.WaitFor(t, "WhatsApp is linked to +15550001111.")
 
+       // The library connects again after the link with the context of the
+       // connection, so the end of the pairing must not end it.
+       connections := fake.Connections()
+       require.Len(t, connections, 1)
+       require.Never(t, func() bool {
+               return connections[0].Err() != nil
+       }, 200*time.Millisecond, time.Millisecond)
+
        require.Equal(t, []string{whatsappTestNumber}, fake.Phones())
        require.Equal(t, "WhatsApp is linked and not connected yet.", whatsapp.Status())
        require.Equal(t, "[connected to OneChat]\n", other.Output())
        require.Zero(t, server.Calls())
        require.Equal(t, []string{"WhatsApp is linked."}, whatsappTestLogTexts(t, memory))
+       require.Equal(t, "<6>linked\n", logs.String())
 
        info, err := os.Stat(filepath.Join(dir, whatsappDirName))
        require.NoError(t, err)
@@ -232,6 +515,7 @@ func TestWhatsAppNewPairingEndsTheOneBefore(t *testing.T) {
        client.Type("/whatsapp pair 15550001111")
        <-fake.pairings
        client.Type("/whatsapp pair 15550002222")
+
        items := <-fake.pairings
        items <- whatsmeow.QRChannelItem{
                Event: whatsmeow.QRChannelEventCode,
@@ -245,6 +529,7 @@ func TestWhatsAppNewPairingEndsTheOneBefore(t *testing.T) {
 func TestWhatsAppPairWhenLinked(t *testing.T) {
        dir := t.TempDir()
        whatsappTestSession(t, dir, true)
+
        whatsapp, _, _ := whatsappStartTest(t, dir, newTestClock())
        socket, _ := daemonStartTestWithWhatsApp(t, newModelFake(t), nil, whatsapp)
        client := terminalStartTestClient(t, socket)
@@ -274,15 +559,18 @@ func TestWhatsAppUnlink(t *testing.T) {
                t.Run(tc.name, func(t *testing.T) {
                        dir := t.TempDir()
                        whatsappTestSession(t, dir, true)
-                       whatsapp, fake, _ := whatsappStartTest(t, dir, newTestClock())
+
+                       whatsapp, fake, logs := whatsappStartTest(t, dir, newTestClock())
                        fake.logoutErr = tc.logoutErr
                        socket, memory := daemonStartTestWithWhatsApp(t, newModelFake(t), nil, whatsapp)
                        client := terminalStartTestClient(t, socket)
+
                        <-fake.connects
 
                        client.Type("/whatsapp unlink")
                        client.WaitFor(t, tc.answer)
                        require.Equal(t, 1, fake.Logouts())
+                       require.Equal(t, "<6>unlinked\n", logs.String())
                        require.NoFileExists(t, filepath.Join(dir, whatsappDirName, whatsappSessionFileName))
                        require.Equal(t, "WhatsApp is not linked. Run /whatsapp pair PHONE to link it.", whatsapp.Status())
                        require.Equal(t, []string{"WhatsApp is unlinked."}, whatsappTestLogTexts(t, memory))
@@ -296,7 +584,8 @@ func TestWhatsAppUnlink(t *testing.T) {
 func TestWhatsAppLogoutFromThePhone(t *testing.T) {
        dir := t.TempDir()
        whatsappTestSession(t, dir, true)
-       whatsapp, fake, _ := whatsappStartTest(t, dir, newTestClock())
+
+       whatsapp, fake, logs := whatsappStartTest(t, dir, newTestClock())
        telegram := newTelegramFake(t)
        bot, _ := telegramStartTestBot(t, telegram)
        socket, memory := daemonStartTestWithWhatsApp(t, newModelFake(t), bot, whatsapp)
@@ -305,47 +594,51 @@ func TestWhatsAppLogoutFromThePhone(t *testing.T) {
        <-fake.connects
 
        require.True(t, fake.Emit(&events.LoggedOut{}))
+
        notice := "WhatsApp was unlinked from the phone. Run /whatsapp pair PHONE to link it again."
        client.WaitFor(t, notice)
        telegramWaitForSent(t, telegram, notice)
+       require.Equal(t, "<3>logged out by the phone, run /whatsapp pair PHONE\n", logs.String())
        require.NoFileExists(t, filepath.Join(dir, whatsappDirName, whatsappSessionFileName))
        require.Equal(t, "WhatsApp is not linked. Run /whatsapp pair PHONE to link it.", whatsapp.Status())
        require.Equal(t, []string{"WhatsApp was unlinked from the phone."}, whatsappTestLogTexts(t, memory))
 }
 
 func TestWhatsAppLongDisconnectionGivesOneNotice(t *testing.T) {
-       dir := t.TempDir()
-       whatsappTestSession(t, dir, true)
-       clock := newTestClock()
-       whatsapp, fake, _ := whatsappStartTest(t, dir, clock)
-       whatsapp.noticeDelay = 50 * time.Millisecond
-       socket, _ := daemonStartTestWithWhatsApp(t, newModelFake(t), nil, whatsapp)
-       client := terminalStartTestClient(t, socket)
-       client.WaitFor(t, "[connected to OneChat]")
-       <-fake.connects
-
-       require.True(t, fake.Emit(&events.Connected{}))
-       require.True(t, fake.Emit(&events.Disconnected{}))
-       require.True(t, fake.Emit(&events.Connected{}))
-       time.Sleep(100 * time.Millisecond)
-       require.Equal(t, "[connected to OneChat]\n", client.Output())
-
-       clock.now = clock.now.Add(time.Hour)
-       require.True(t, fake.Emit(&events.Disconnected{}))
-       require.True(t, fake.Emit(&events.Disconnected{}))
-       client.WaitFor(t, "WhatsApp is disconnected since 2026-01-01 13:00. OneChat tries again.\n")
-       require.True(t, fake.Emit(&events.Disconnected{}))
-       time.Sleep(100 * time.Millisecond)
-
-       require.True(t, fake.Emit(&events.Connected{}))
-       client.WaitFor(t, "WhatsApp is connected again.\n")
-       require.Equal(t, 1, strings.Count(client.Output(), "WhatsApp is disconnected since"))
+       synctest.Test(t, func(t *testing.T) {
+               test := whatsappRetryTest(t)
+               test.start(t)
+               synctest.Wait()
+
+               require.True(t, test.fake.Emit(&events.Connected{}))
+               require.True(t, test.fake.Emit(&events.Disconnected{}))
+               require.True(t, test.fake.Emit(&events.Connected{}))
+               time.Sleep(whatsappOutageNoticeDelay + time.Second)
+               synctest.Wait()
+               require.Zero(t, test.events.Count("notice"))
+
+               require.True(t, test.fake.Emit(&events.Disconnected{}))
+               require.True(t, test.fake.Emit(&events.Disconnected{}))
+               time.Sleep(whatsappOutageNoticeDelay)
+               synctest.Wait()
+               require.Equal(t, 1, test.events.Count("notice"))
+               require.Contains(t, test.events.Last("notice"), "OneChat tries again.")
+               require.True(t, test.fake.Emit(&events.Disconnected{}))
+               time.Sleep(whatsappOutageNoticeDelay)
+               synctest.Wait()
+               require.Equal(t, 1, test.events.Count("notice"))
+
+               require.True(t, test.fake.Emit(&events.Connected{}))
+               require.Equal(t, 2, test.events.Count("notice"))
+               require.Equal(t, "WhatsApp is connected again.", test.events.Last("notice"))
+       })
 }
 
 func TestWhatsAppDisconnectionWithNoRetryGivesANoticeAtOnce(t *testing.T) {
        dir := t.TempDir()
        whatsappTestSession(t, dir, true)
-       whatsapp, fake, _ := whatsappStartTest(t, dir, newTestClock())
+
+       whatsapp, fake, logs := whatsappStartTest(t, dir, newTestClock())
        socket, _ := daemonStartTestWithWhatsApp(t, newModelFake(t), nil, whatsapp)
        client := terminalStartTestClient(t, socket)
        client.WaitFor(t, "[connected to OneChat]")
@@ -353,20 +646,23 @@ func TestWhatsAppDisconnectionWithNoRetryGivesANoticeAtOnce(t *testing.T) {
 
        require.True(t, fake.Emit(&events.StreamReplaced{}))
        client.WaitFor(t, "WhatsApp is disconnected and does not connect again by itself: stream replaced. Restart the daemon to try again.")
+       require.Equal(t, "<3>disconnected for good, restart to retry: stream replaced\n", logs.String())
 }
 
 func TestWhatsAppLogsNoOwnNumber(t *testing.T) {
        dir := t.TempDir()
        whatsappTestSession(t, dir, true)
+
        whatsapp, fake, logs := whatsappStartTest(t, dir, newTestClock())
        fake.connectErr = errors.New("no route for " + whatsappTestNumber + "@s.whatsapp.net and " + whatsappTestLID + "@lid")
+
        daemonStartTestWithWhatsApp(t, newModelFake(t), nil, whatsapp)
        <-fake.connects
 
        require.Eventually(t, func() bool {
                return logs.String() != ""
        }, 10*time.Second, time.Millisecond)
-       require.Equal(t, "connect: no route for OWN@s.whatsapp.net and OWN@lid\n", logs.String())
+       require.Equal(t, "<4>first connect failed, retrying: no route for OWN@s.whatsapp.net and OWN@lid\n", logs.String())
 }
 
 func TestWhatsAppPhone(t *testing.T) {
@@ -452,435 +748,8 @@ func TestWhatsAppCommandArgs(t *testing.T) {
        }
 }
 
-// whatsappTestLogTexts returns the texts of the messages in the log of memory,
-// after the log holds at least one message.
-func whatsappTestLogTexts(t *testing.T, memory *Memory) []string {
-       t.Helper()
-
-       require.Eventually(t, func() bool {
-               return memory.Len() > 0
-       }, 10*time.Second, time.Millisecond)
-
-       var texts []string
-       for id := range memory.Len() {
-               message, err := memory.Message(id)
-               require.NoError(t, err)
-
-               texts = append(texts, message.Text)
-       }
-
-       return texts
-}
-
-func TestWhatsAppPrivateBatchStartsATurnWithAnEmptyReply(t *testing.T) {
-       whatsapp, fake := whatsappStartTestLinked(t)
-       require.NoError(t, whatsapp.device.Contacts.PutContactName(t.Context(), whatsappTestAna, "Ana", "Ana Souza"))
-
-       server := newModelFake(t)
-       server.reply = func(w http.ResponseWriter, call ModelFakeCall) {
-               modelWriteEvents(w, modelCompletedEvent([]any{modelMessageItem("")}, 100, 0, 5))
-       }
-
-       telegram := newTelegramFake(t)
-       bot, _ := telegramStartTestBot(t, telegram)
-       socket, memory := daemonStartTestWithWhatsApp(t, server, bot, whatsapp)
-       client := terminalStartTestClient(t, socket)
-       client.WaitFor(t, "[connected to OneChat]")
-       whatsappTestConnect(t, fake)
-
-       at := time.Date(2026, 1, 1, 12, 0, 0, 0, time.UTC)
-       require.True(t, fake.Emit(whatsappTestMessage(whatsappTestAna, whatsappTestAna, "m1", "Are you at home?", at)))
-       require.True(t, fake.Emit(whatsappTestMessage(whatsappTestAna, whatsappTestOwn, "m2", "Yes", at)))
-
-       text := "[WhatsApp] Ana Souza, private chat 15550002222@s.whatsapp.net, Thursday 2026-01-01\n12:00 Ana Souza: Are you at home?\n12:00 You: Yes\n" + whatsappBatchEmptyReply
-       client.WaitFor(t, text+"\n[working]\n[done]\n")
-       require.Equal(t, 1, server.Calls())
-       require.Contains(t, string(server.Call(0).raw), "Are you at home?")
-       require.Equal(t, []string{text}, whatsappTestLogTexts(t, memory))
-       require.Empty(t, telegram.Sent())
-       require.Eventually(t, func() bool {
-               return len(whatsapp.batches.Closed()) == 0
-       }, 10*time.Second, time.Millisecond)
-}
-
-func TestWhatsAppGroupTurns(t *testing.T) {
-       testCases := []struct {
-               name    string
-               message func(event *events.Message)
-               line    string
-               turn    bool
-       }{
-               {
-                       name: "plain",
-                       message: func(event *events.Message) {
-                       },
-                       line: "12:00 Bruno Lima: Who brings the cake?",
-               },
-               {
-                       name: "mention",
-                       message: func(event *events.Message) {
-                               event.Message = &waE2E.Message{
-                                       ExtendedTextMessage: &waE2E.ExtendedTextMessage{
-                                               Text: new("@" + whatsappTestLID + " can you bring the cake? Call " + whatsappTestNumber + "."),
-                                               ContextInfo: &waE2E.ContextInfo{
-                                                       MentionedJID: []string{whatsappTestLID + "@lid"},
-                                               },
-                                       },
-                               }
-                       },
-                       line: "12:00 Bruno Lima (mentions you): @you can you bring the cake? Call OWN.",
-                       turn: true,
-               },
-               {
-                       name: "reply",
-                       message: func(event *events.Message) {
-                               event.Message = &waE2E.Message{
-                                       ExtendedTextMessage: &waE2E.ExtendedTextMessage{
-                                               Text: new("Who brings the cake?"),
-                                               ContextInfo: &waE2E.ContextInfo{
-                                                       Participant: new(whatsappTestOwn.String()),
-                                               },
-                                       },
-                               }
-                       },
-                       line: "12:00 Bruno Lima (replies to you): Who brings the cake?",
-                       turn: true,
-               },
-       }
-
-       for _, tc := range testCases {
-               t.Run(tc.name, func(t *testing.T) {
-                       whatsapp, fake := whatsappStartTestLinked(t)
-                       fake.groups = []*types.GroupInfo{
-                               {
-                                       JID: whatsappTestFamily,
-                                       GroupName: types.GroupName{
-                                               Name: "Family",
-                                       },
-                               },
-                       }
-
-                       server := newModelFake(t)
-                       socket, memory := daemonStartTestWithWhatsApp(t, server, nil, whatsapp)
-                       client := terminalStartTestClient(t, socket)
-                       client.WaitFor(t, "[connected to OneChat]")
-                       whatsappTestConnect(t, fake)
-
-                       event := whatsappTestMessage(whatsappTestFamily, whatsappTestBruno, "m1", "Who brings the cake?", time.Date(2026, 1, 1, 12, 0, 0, 0, time.UTC))
-                       event.Info.PushName = "Bruno Lima"
-                       tc.message(event)
-                       require.True(t, fake.Emit(event))
-
-                       text := "[WhatsApp] Family, group 120363000000000001@g.us, Thursday 2026-01-01\n" + tc.line
-                       if tc.turn {
-                               text += "\n" + whatsappBatchEmptyReply
-                               client.WaitFor(t, "[done]")
-                               require.Equal(t, 1, server.Calls())
-                       } else {
-                               client.WaitFor(t, text)
-                               time.Sleep(100 * time.Millisecond)
-                               require.Zero(t, server.Calls())
-                       }
-
-                       require.Equal(t, text, whatsappTestLogTexts(t, memory)[0])
-               })
-       }
-}
-
-func TestWhatsAppTakesOnlyText(t *testing.T) {
-       at := time.Date(2026, 1, 1, 12, 0, 0, 0, time.UTC)
-       testCases := []struct {
-               name   string
-               change func(event *events.Message)
-       }{
-               {
-                       name: "an edit",
-                       change: func(event *events.Message) {
-                               event.IsEdit = true
-                       },
-               },
-               {
-                       name: "old history",
-                       change: func(event *events.Message) {
-                               event.SourceWebMsg = &waWeb.WebMessageInfo{}
-                       },
-               },
-               {
-                       name: "a view-once message",
-                       change: func(event *events.Message) {
-                               event.IsViewOnce = true
-                       },
-               },
-               {
-                       name: "a disappearing message",
-                       change: func(event *events.Message) {
-                               event.IsEphemeral = true
-                       },
-               },
-               {
-                       name: "the chat of the user with itself",
-                       change: func(event *events.Message) {
-                               event.Info.Chat = whatsappTestOwn
-                       },
-               },
-               {
-                       name: "a status broadcast",
-                       change: func(event *events.Message) {
-                               event.Info.Chat = types.StatusBroadcastJID
-                       },
-               },
-               {
-                       name: "a photo with a caption",
-                       change: func(event *events.Message) {
-                               event.Message = &waE2E.Message{
-                                       ImageMessage: &waE2E.ImageMessage{
-                                               Caption: new("look"),
-                                       },
-                               }
-                       },
-               },
-               {
-                       name: "a text of spaces",
-                       change: func(event *events.Message) {
-                               event.Message.Conversation = new("  ")
-                       },
-               },
-       }
-
-       for _, tc := range testCases {
-               t.Run(tc.name, func(t *testing.T) {
-                       whatsapp, _ := whatsappStartTestLinked(t)
-                       event := whatsappTestMessage(whatsappTestAna, whatsappTestAna, "m1", "hi", at)
-                       tc.change(event)
-                       require.True(t, whatsapp.handle(event))
-                       require.NoError(t, whatsapp.batches.CloseAll())
-                       require.Empty(t, whatsapp.batches.Closed())
-               })
-       }
-}
-
-// whatsappStartTestLinked opens a WhatsApp with a linked device in a temporary
-// directory, with a quiet time of 50 ms for its batches.
-func whatsappStartTestLinked(t *testing.T) (*WhatsApp, *WhatsAppFake) {
-       t.Helper()
-
-       dir := t.TempDir()
-       whatsappTestSession(t, dir, true)
-       whatsapp, fake, _ := whatsappStartTest(t, dir, newTestClock())
-       whatsapp.batches.quiet = 50 * time.Millisecond
-
-       return whatsapp, fake
-}
-
-func TestWhatsAppCatchupGivesOneTurn(t *testing.T) {
-       whatsapp, fake := whatsappStartTestLinked(t)
-       server := newModelFake(t)
-       socket, memory := daemonStartTestWithWhatsApp(t, server, nil, whatsapp)
-       client := terminalStartTestClient(t, socket)
-       client.WaitFor(t, "[connected to OneChat]")
-       <-fake.connects
-
-       require.True(t, fake.Emit(&events.Connected{}))
-       at := time.Date(2026, 1, 1, 8, 0, 0, 0, time.UTC)
-       for index, event := range []*events.Message{
-               whatsappTestMessage(whatsappTestAna, whatsappTestAna, "m1", "Good morning", at),
-               whatsappTestMessage(whatsappTestBruno, whatsappTestBruno, "m2", "Call me", at.Add(time.Hour)),
-               whatsappTestMessage(whatsappTestAna, whatsappTestAna, "m3", "Are you there?", at.Add(2*time.Hour)),
-       } {
-               event.Info.PushName = []string{"Ana", "Bruno", "Ana"}[index]
-               require.True(t, fake.Emit(event))
-       }
-
-       time.Sleep(100 * time.Millisecond)
-       require.Zero(t, memory.Len())
-
-       require.True(t, fake.Emit(&events.OfflineSyncCompleted{}))
-       client.WaitFor(t, "[done]")
-       require.Equal(t, []string{
-               "[WhatsApp] Ana, private chat 15550002222@s.whatsapp.net, Thursday 2026-01-01\n08:00 Ana: Good morning\n" + whatsappBatchEmptyReply,
-               "[WhatsApp] Bruno, private chat 15550003333@s.whatsapp.net, Thursday 2026-01-01\n09:00 Bruno: Call me\n" + whatsappBatchEmptyReply,
-               "[WhatsApp] Ana, private chat 15550002222@s.whatsapp.net, Thursday 2026-01-01\n10:00 Ana: Are you there?\n" + whatsappBatchEmptyReply,
-       }, whatsappTestLogTexts(t, memory)[:3])
-
-       time.Sleep(100 * time.Millisecond)
-       require.Equal(t, 1, server.Calls())
-       for _, text := range []string{"Good morning", "Call me", "Are you there?"} {
-               require.Contains(t, string(server.Call(0).raw), text)
-       }
-}
-
-func TestWhatsAppCatchupEndsAfterItsLimit(t *testing.T) {
-       whatsapp, fake := whatsappStartTestLinked(t)
-       whatsapp.catchupLimit = 100 * time.Millisecond
-       socket, memory := daemonStartTestWithWhatsApp(t, newModelFake(t), nil, whatsapp)
-       client := terminalStartTestClient(t, socket)
-       client.WaitFor(t, "[connected to OneChat]")
-       <-fake.connects
-
-       require.True(t, fake.Emit(&events.Connected{}))
-       require.True(t, fake.Emit(whatsappTestMessage(whatsappTestAna, whatsappTestOwn, "m1", "On my way.", time.Date(2026, 1, 1, 12, 0, 0, 0, time.UTC))))
-       client.WaitFor(t, "12:00 You: On my way.")
-       require.Len(t, whatsappTestLogTexts(t, memory), 1)
-}
-
-func TestWhatsAppBatchesOfTheStateFileWaitForTheCatchup(t *testing.T) {
-       dir := t.TempDir()
-       whatsappTestSession(t, dir, true)
-       before, _, _ := whatsappStartTest(t, dir, newTestClock())
-       _, err := before.batches.Add(whatsappTestChat, WhatsAppMessage{
-               ID:     "m1",
-               Sender: "Ana Souza",
-               Time:   time.Date(2026, 1, 1, 12, 0, 0, 0, time.UTC),
-               Text:   "Did you see my message?",
-       }, time.Now().Add(-time.Hour))
-       require.NoError(t, err)
-
-       whatsapp, fake, _ := whatsappStartTest(t, dir, newTestClock())
-       socket, memory := daemonStartTestWithWhatsApp(t, newModelFake(t), nil, whatsapp)
-       client := terminalStartTestClient(t, socket)
-       client.WaitFor(t, "[connected to OneChat]")
-       <-fake.connects
-
-       time.Sleep(100 * time.Millisecond)
-       require.Zero(t, memory.Len())
-
-       require.True(t, fake.Emit(&events.Connected{}))
-       require.True(t, fake.Emit(&events.OfflineSyncCompleted{}))
-       client.WaitFor(t, "12:00 Ana Souza: Did you see my message?")
-       client.WaitFor(t, "[done]")
-}
-
-// whatsappTestConnect waits for the connection of the daemon and gives it the
-// events of a connection with an empty catch-up.
-func whatsappTestConnect(t *testing.T, fake *WhatsAppFake) {
-       t.Helper()
-
-       <-fake.connects
-       require.True(t, fake.Emit(&events.Connected{}))
-       require.True(t, fake.Emit(&events.OfflineSyncCompleted{}))
-}
-
-func TestWhatsAppFindMatchesNamesWithNoRegardToCaseAndAccents(t *testing.T) {
-       whatsapp, fake := whatsappStartTestLinked(t)
-       fake.groups = []*types.GroupInfo{
-               {
-                       JID: whatsappTestFamily,
-                       GroupName: types.GroupName{
-                               Name: "Família Souza",
-                       },
-               },
-       }
-
-       whatsappTestContacts(t, whatsapp)
-       daemonStartTestWithWhatsApp(t, newModelFake(t), nil, whatsapp)
-       whatsappTestConnect(t, fake)
-
-       testCases := []struct {
-               name   string
-               query  string
-               answer string
-       }{
-               {
-                       name:   "no accent finds an accent",
-                       query:  "joao",
-                       answer: "15550004444@s.whatsapp.net | João Silva | contact",
-               },
-               {
-                       name:   "a part of a name finds contacts and groups",
-                       query:  "SOUZA",
-                       answer: "15550002222@s.whatsapp.net | Ana Souza | contact\n120363000000000001@g.us | Família Souza | group",
-               },
-               {
-                       name:   "a business name",
-                       query:  "bakery",
-                       answer: "15550005555@s.whatsapp.net | Corner Bakery | contact",
-               },
-               {
-                       name:   "no match",
-                       query:  "Zed",
-                       answer: "No contact or group has a name with \"Zed\".",
-               },
-       }
-
-       for _, tc := range testCases {
-               t.Run(tc.name, func(t *testing.T) {
-                       answer, err := whatsapp.Find(t.Context(), tc.query)
-                       require.NoError(t, err)
-                       require.Equal(t, tc.answer, answer)
-               })
-       }
-}
-
-func TestWhatsAppFindGivesAtMostTwentyMatches(t *testing.T) {
-       whatsapp, _ := whatsappStartTestLinked(t)
-       for index := range 25 {
-               jid := types.NewJID(fmt.Sprintf("1555001%04d", index), types.DefaultUserServer)
-               require.NoError(t, whatsapp.device.Contacts.PutContactName(t.Context(), jid, "", fmt.Sprintf("Member %02d", index)))
-       }
-
-       answer, err := whatsapp.Find(t.Context(), "member")
-       require.NoError(t, err)
-
-       lines := strings.Split(answer, "\n")
-       require.Len(t, lines, 22)
-       require.Equal(t, "15550010000@s.whatsapp.net | Member 00 | contact", lines[0])
-       require.Equal(t, "5 more: give a longer part of the name.", lines[20])
-       require.Equal(t, "The groups are not in this answer, because WhatsApp is disconnected.", lines[21])
-}
-
-func TestWhatsAppFindBeforeTheNamesArrive(t *testing.T) {
-       whatsapp, fake := whatsappStartTestLinked(t)
-       daemonStartTestWithWhatsApp(t, newModelFake(t), nil, whatsapp)
-       whatsappTestConnect(t, fake)
-
-       answer, err := whatsapp.Find(t.Context(), "ana")
-       require.NoError(t, err)
-       require.Equal(t, whatsappNamesNotReady, answer)
-}
-
-func TestWhatsAppFindWithoutALink(t *testing.T) {
-       whatsapp, _, _ := whatsappStartTest(t, t.TempDir(), newTestClock())
-
-       answer, err := whatsapp.Find(t.Context(), "ana")
-       require.NoError(t, err)
-       require.Equal(t, whatsappNotLinked, answer)
-}
-
-func TestAgentFindsAWhatsAppContact(t *testing.T) {
-       whatsapp, fake := whatsappStartTestLinked(t)
-       whatsappTestContacts(t, whatsapp)
-       server := newModelFake(t)
-       server.reply = func(w http.ResponseWriter, call ModelFakeCall) {
-               if call.number == 0 {
-                       modelWriteEvents(w, modelCompletedEvent([]any{modelFunctionCallItem("fc_1", "call_1", "whatsapp_find", `{"name":"ana"}`)}, 100, 0, 5))
-                       return
-               }
-
-               modelWriteEvents(w, modelCompletedEvent([]any{modelMessageItem("Found Ana.")}, 100, 0, 5))
-       }
-
-       socket, _ := daemonStartTestWithWhatsApp(t, server, nil, whatsapp)
-       client := terminalStartTestClient(t, socket)
-       whatsappTestConnect(t, fake)
-
-       client.Type("Find Ana on WhatsApp.")
-       client.WaitFor(t, "[result] 15550002222@s.whatsapp.net | Ana Souza | contact\nFound Ana.\n[done]")
-}
-
 func TestSubagentHasNoWhatsAppTools(t *testing.T) {
        box := &Toolbox{}
        require.Equal(t, `error: unknown tool "whatsapp_find"`, box.run(t.Context(), "whatsapp_find", `{"name":"ana"}`))
-}
-
-// whatsappTestContacts puts the contacts of the tests into the session of
-// whatsapp: Ana Souza, Joao Silva with an accent, a business, and the user.
-func whatsappTestContacts(t *testing.T, whatsapp *WhatsApp) {
-       t.Helper()
-
-       contacts := whatsapp.device.Contacts
-       require.NoError(t, contacts.PutContactName(t.Context(), whatsappTestAna, "Ana", "Ana Souza"))
-       require.NoError(t, contacts.PutContactName(t.Context(), types.NewJID("15550004444", types.DefaultUserServer), "João", "João Silva"))
-       _, _, err := contacts.PutBusinessName(t.Context(), types.NewJID("15550005555", types.DefaultUserServer), "Corner Bakery")
-       require.NoError(t, err)
-       require.NoError(t, contacts.PutContactName(t.Context(), whatsappTestOwn, "Me", "Me Souza"))
+       require.Equal(t, `error: unknown tool "whatsapp_send"`, box.run(t.Context(), "whatsapp_send", `{"id":"a","chat":"15550002222@s.whatsapp.net","text":"hi"}`))
 }