git.giacomolli.uk - onechat/blob - telegram_test.go

   1 package main
   2
   3 import (
   4         "log"
   5         "net/http"
   6         "os"
   7         "path/filepath"
   8         "slices"
   9         "strings"
  10         "testing"
  11         "time"
  12
  13         "github.com/stretchr/testify/require"
  14 )
  15
  16 func TestOwnerTalksToTheAgentThroughTelegram(t *testing.T) {
  17         server := newFakeResponses(t)
  18         server.reply = func(w http.ResponseWriter, call fakeCall) {
  19                 writeEvents(w, completedEvent([]any{messageItem("Hello from the agent.")}, 100, 0, 5))
  20         }
  21
  22         telegram := newFakeBot(t)
  23         bot, _ := startTestBot(t, telegram)
  24         socket := startTestDaemonWithBot(t, server, bot)
  25         terminal := startTestClient(t, socket)
  26         terminal.WaitFor(t, "[connected to OneChat]")
  27
  28         telegram.Add(botUpdate{
  29                 UpdateID: 1,
  30                 Message:  ownerMessage("hi from the phone"),
  31         })
  32
  33         terminal.WaitFor(t, "[telegram] hi from the phone\n[working]\nHello from the agent.\n[done]")
  34         waitForSent(t, telegram, "Hello from the agent.")
  35         require.True(t, slices.ContainsFunc(telegram.Calls(), func(call fakeBotCall) bool {
  36                 return call.method == "sendChatAction" && call.params["action"] == "typing"
  37         }))
  38
  39         terminal.Type("hi from the desk")
  40         require.Equal(t, []string{"Hello from the agent.", "[terminal] hi from the desk", "Hello from the agent."}, waitForSent(t, telegram, "Hello from the agent.", "[terminal] hi from the desk", "Hello from the agent."))
  41 }
  42
  43 func TestBotIgnoresEveryoneButTheOwner(t *testing.T) {
  44         telegram := newFakeBot(t)
  45         bot, logs := startTestBot(t, telegram)
  46         socket := startTestDaemonWithBot(t, newFakeResponses(t), bot)
  47         terminal := startTestClient(t, socket)
  48         terminal.WaitFor(t, "[connected to OneChat]")
  49
  50         group := ownerMessage("secret in a group")
  51         group.Chat = botChat{
  52                 ID:   -100,
  53                 Type: "group",
  54         }
  55
  56         stranger := ownerMessage("secret of a stranger")
  57         stranger.Chat.ID = 77
  58         stranger.From.ID = 77
  59
  60         unsigned := ownerMessage("secret with no sender")
  61         unsigned.From = nil
  62
  63         for id, message := range []*botMessage{group, stranger, unsigned, nil} {
  64                 telegram.Add(botUpdate{
  65                         UpdateID: int64(10 + id),
  66                         Message:  message,
  67                 })
  68         }
  69
  70         require.Eventually(t, func() bool {
  71                 offset, err := loadOffset(bot.offsetPath)
  72                 return err == nil && offset == 14
  73         }, 10*time.Second, time.Millisecond)
  74
  75         require.Empty(t, telegram.Sent())
  76         require.NotContains(t, terminal.Output(), "secret")
  77         require.NotContains(t, logs.String(), "secret")
  78         require.Contains(t, logs.String(), "update ignored")
  79 }
  80
  81 func TestBotAnswersThatOnlyTextIsSupported(t *testing.T) {
  82         telegram := newFakeBot(t)
  83         bot, _ := startTestBot(t, telegram)
  84         startTestDaemonWithBot(t, newFakeResponses(t), bot)
  85
  86         telegram.Add(botUpdate{
  87                 UpdateID: 1,
  88                 Message:  ownerMessage(""),
  89         })
  90
  91         waitForSent(t, telegram, textOnly)
  92 }
  93
  94 func TestStopFromTelegramInterruptsTheTurn(t *testing.T) {
  95         server := newFakeResponses(t)
  96         arrived := make(chan struct{})
  97         release := make(chan struct{})
  98         t.Cleanup(func() {
  99                 close(release)
 100         })
 101
 102         server.reply = func(w http.ResponseWriter, call fakeCall) {
 103                 close(arrived)
 104                 <-release
 105         }
 106
 107         telegram := newFakeBot(t)
 108         bot, _ := startTestBot(t, telegram)
 109         startTestDaemonWithBot(t, server, bot)
 110
 111         telegram.Add(botUpdate{
 112                 UpdateID: 1,
 113                 Message:  ownerMessage("a long task"),
 114         })
 115
 116         <-arrived
 117         telegram.Add(botUpdate{
 118                 UpdateID: 2,
 119                 Message:  ownerMessage(stopCommand),
 120         })
 121
 122         waitForSent(t, telegram, "Error: interrupted")
 123
 124         telegram.Add(botUpdate{
 125                 UpdateID: 3,
 126                 Message:  ownerMessage(stopCommand),
 127         })
 128
 129         waitForSent(t, telegram, "Error: interrupted", "No turn runs.")
 130 }
 131
 132 func TestBotStartsAtTheStoredOffset(t *testing.T) {
 133         server := newFakeResponses(t)
 134         server.reply = func(w http.ResponseWriter, call fakeCall) {
 135                 writeEvents(w, completedEvent([]any{messageItem("ok")}, 100, 0, 5))
 136         }
 137
 138         telegram := newFakeBot(t)
 139         bot, _ := startTestBot(t, telegram)
 140         require.NoError(t, saveOffset(bot.offsetPath, 10))
 141
 142         telegram.Add(botUpdate{
 143                 UpdateID: 9,
 144                 Message:  ownerMessage("handled before the restart"),
 145         })
 146
 147         telegram.Add(botUpdate{
 148                 UpdateID: 10,
 149                 Message:  ownerMessage("new after the restart"),
 150         })
 151
 152         socket := startTestDaemonWithBot(t, server, bot)
 153         terminal := startTestClient(t, socket)
 154         terminal.WaitFor(t, "[connected to OneChat]")
 155         waitForSent(t, telegram, "ok")
 156
 157         require.Equal(t, float64(10), telegram.Calls()[0].params["offset"])
 158         require.NotContains(t, terminal.Output(), "handled before the restart")
 159
 160         require.Eventually(t, func() bool {
 161                 offset, err := loadOffset(bot.offsetPath)
 162                 return err == nil && offset == 11
 163         }, 10*time.Second, time.Millisecond)
 164 }
 165
 166 func TestBotTriesAgainAfterFailures(t *testing.T) {
 167         server := newFakeResponses(t)
 168         server.reply = func(w http.ResponseWriter, call fakeCall) {
 169                 writeEvents(w, completedEvent([]any{messageItem("ok")}, 100, 0, 5))
 170         }
 171
 172         telegram := newFakeBot(t)
 173         failures := map[string]int{
 174                 "getUpdates":  2,
 175                 "sendMessage": 1,
 176         }
 177
 178         telegram.fail = func(call fakeBotCall) (int, string) {
 179                 if failures[call.method] == 0 {
 180                         return 0, ""
 181                 }
 182
 183                 failures[call.method]--
 184                 if call.method == "sendMessage" {
 185                         return http.StatusTooManyRequests, "Too Many Requests: retry after 1"
 186                 }
 187
 188                 return http.StatusBadGateway, "Bad Gateway"
 189         }
 190
 191         bot, logs := startTestBot(t, telegram)
 192         startTestDaemonWithBot(t, server, bot)
 193
 194         telegram.Add(botUpdate{
 195                 UpdateID: 1,
 196                 Message:  ownerMessage("hello"),
 197         })
 198
 199         waitForSent(t, telegram, "ok")
 200         require.Contains(t, logs.String(), "answered 502")
 201         require.Contains(t, logs.String(), "answered 429")
 202         require.NotContains(t, logs.String(), testBotToken)
 203 }
 204
 205 func TestBotLogsNoTokenWhenTheNetworkFails(t *testing.T) {
 206         telegram := newFakeBot(t)
 207         telegram.Close()
 208
 209         bot, logs := startTestBot(t, telegram)
 210         startTestDaemonWithBot(t, newFakeResponses(t), bot)
 211
 212         require.Eventually(t, func() bool {
 213                 return strings.Count(logs.String(), "no valid answer") >= 2
 214         }, 10*time.Second, time.Millisecond)
 215         require.NotContains(t, logs.String(), testBotToken)
 216 }
 217
 218 func TestSplitMessage(t *testing.T) {
 219         testCases := []struct {
 220                 name  string
 221                 text  string
 222                 limit int
 223                 parts []string
 224         }{
 225                 {
 226                         name:  "short text stays whole",
 227                         text:  "one two",
 228                         limit: 10,
 229                         parts: []string{"one two"},
 230                 },
 231                 {
 232                         name:  "cut after the last line break",
 233                         text:  "first line\nsecond line",
 234                         limit: 16,
 235                         parts: []string{"first line\n", "second line"},
 236                 },
 237                 {
 238                         name:  "cut after the last space without a line break",
 239                         text:  "aaaa bbbb cccc",
 240                         limit: 12,
 241                         parts: []string{"aaaa bbbb ", "cccc"},
 242                 },
 243                 {
 244                         name:  "hard cut of one long word",
 245                         text:  "abcdefghij",
 246                         limit: 4,
 247                         parts: []string{"abcd", "efgh", "ij"},
 248                 },
 249                 {
 250                         name:  "a character outside the BMP counts two units and is not cut",
 251                         text:  "ab\U0001F600cd",
 252                         limit: 3,
 253                         parts: []string{"ab", "\U0001F600c", "d"},
 254                 },
 255         }
 256
 257         for _, tc := range testCases {
 258                 t.Run(tc.name, func(t *testing.T) {
 259                         require.Equal(t, tc.parts, splitMessage(tc.text, tc.limit))
 260                 })
 261         }
 262
 263         long := strings.Repeat("word ", 2000)
 264         parts := splitMessage(long, messageUnits)
 265         require.Len(t, parts, 3)
 266         require.Equal(t, long, strings.Join(parts, ""))
 267 }
 268
 269 func TestLoadBotConfig(t *testing.T) {
 270         testCases := []struct {
 271                 name      string
 272                 content   string
 273                 mode      os.FileMode
 274                 errorText string
 275         }{
 276                 {
 277                         name:    "owner file is read",
 278                         content: `{"token": "` + testBotToken + `", "owner": 4242}`,
 279                         mode:    0o600,
 280                 },
 281                 {
 282                         name:      "file that others can read is refused",
 283                         content:   `{"token": "` + testBotToken + `", "owner": 4242}`,
 284                         mode:      0o640,
 285                         errorText: "mode must be 0600",
 286                 },
 287                 {
 288                         name:      "token with a path character is refused",
 289                         content:   `{"token": "123:abc/../x", "owner": 4242}`,
 290                         mode:      0o600,
 291                         errorText: "form of a bot token",
 292                 },
 293                 {
 294                         name:      "missing owner is refused",
 295                         content:   `{"token": "` + testBotToken + `"}`,
 296                         mode:      0o600,
 297                         errorText: "numeric Telegram user ID",
 298                 },
 299                 {
 300                         name:      "unknown field is refused",
 301                         content:   `{"token": "` + testBotToken + `", "owner": 4242, "chat": 1}`,
 302                         mode:      0o600,
 303                         errorText: "not valid JSON",
 304                 },
 305         }
 306
 307         for _, tc := range testCases {
 308                 t.Run(tc.name, func(t *testing.T) {
 309                         dir := t.TempDir()
 310                         path := filepath.Join(dir, botConfigFileName)
 311                         require.NoError(t, os.WriteFile(path, []byte(tc.content), tc.mode))
 312                         require.NoError(t, os.Chmod(path, tc.mode))
 313
 314                         config, found, err := loadBotConfig(dir)
 315                         if tc.errorText != "" {
 316                                 require.ErrorContains(t, err, tc.errorText)
 317                                 require.NotContains(t, err.Error(), testBotToken)
 318
 319                                 return
 320                         }
 321
 322                         require.NoError(t, err)
 323                         require.True(t, found)
 324                         require.Equal(t, botConfig{
 325                                 Token: testBotToken,
 326                                 Owner: testOwner,
 327                         }, config)
 328                 })
 329         }
 330
 331         _, found, err := loadBotConfig(t.TempDir())
 332         require.NoError(t, err)
 333         require.False(t, found)
 334 }
 335
 336 // startTestBot returns a bot of testOwner on server, with its offset file in a
 337 // temporary directory and short waits, and the buffer of its log.
 338 func startTestBot(t *testing.T, server *fakeBot) (*telegramBot, *syncBuffer) {
 339         t.Helper()
 340
 341         logs := &syncBuffer{}
 342         bot := newTelegramBot(newBotAPI(server.URL, testBotToken), testOwner, filepath.Join(t.TempDir(), offsetFileName), log.New(logs, "", 0))
 343         bot.minWait = time.Millisecond
 344         bot.maxWait = 10 * time.Millisecond
 345
 346         return bot, logs
 347 }
 348
 349 // waitForSent waits until the bot sent the texts in order, and returns them.
 350 func waitForSent(t *testing.T, server *fakeBot, texts ...string) []string {
 351         t.Helper()
 352
 353         require.Eventually(t, func() bool {
 354                 sent := server.Sent()
 355                 return len(sent) >= len(texts) && slices.Equal(sent[len(sent)-len(texts):], texts)
 356         }, 10*time.Second, time.Millisecond, "sent so far: %q", server.Sent())
 357
 358         return server.Sent()
 359 }