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

   1 package main
   2
   3 import (
   4         "context"
   5         "io"
   6         "net/http"
   7         "net/http/httptest"
   8         "testing"
   9         "time"
  10
  11         "github.com/stretchr/testify/require"
  12 )
  13
  14 func TestGetUpdatesAsksForMessagesFromTheOffset(t *testing.T) {
  15         server := newTelegramFake(t)
  16         server.Add(TelegramUpdate{
  17                 UpdateID: 7,
  18                 Message:  telegramOwnerMessage("hello"),
  19         })
  20
  21         updates, err := newTelegramAPI(server.URL, telegramTestToken).GetUpdates(t.Context(), 7)
  22         require.NoError(t, err)
  23         require.Len(t, updates, 1)
  24         require.Equal(t, int64(7), updates[0].UpdateID)
  25         require.Equal(t, "hello", updates[0].Message.Text)
  26
  27         call := server.Calls()[0]
  28         require.Equal(t, "getUpdates", call.method)
  29         require.Equal(t, map[string]any{
  30                 "offset":          float64(7),
  31                 "timeout":         float64(telegramPollSeconds),
  32                 "allowed_updates": []any{"message"},
  33         }, call.params)
  34 }
  35
  36 func TestSendMessageSendsPlainText(t *testing.T) {
  37         server := newTelegramFake(t)
  38         err := newTelegramAPI(server.URL, telegramTestToken).SendMessage(t.Context(), telegramTestOwner, "*not bold*", nil)
  39         require.NoError(t, err)
  40
  41         require.Equal(t, map[string]any{
  42                 "chat_id": float64(telegramTestOwner),
  43                 "text":    "*not bold*",
  44         }, server.Calls()[0].params)
  45 }
  46
  47 func TestSendMessageSendsTheEntities(t *testing.T) {
  48         server := newTelegramFake(t)
  49         err := newTelegramAPI(server.URL, telegramTestToken).SendMessage(t.Context(), telegramTestOwner, "a link", []TelegramEntity{
  50                 {
  51                         Type:   "text_link",
  52                         Offset: 2,
  53                         Length: 4,
  54                         URL:    "https://example.com",
  55                 },
  56         })
  57         require.NoError(t, err)
  58
  59         require.Equal(t, []any{
  60                 map[string]any{
  61                         "type":   "text_link",
  62                         "offset": float64(2),
  63                         "length": float64(4),
  64                         "url":    "https://example.com",
  65                 },
  66         }, server.Calls()[0].params["entities"])
  67 }
  68
  69 func TestSendRichMessageSendsTheMarkdownUnchanged(t *testing.T) {
  70         server := newTelegramFake(t)
  71         markdown := "| a | b |\n|---|---|\n| **1** | `2` |"
  72         err := newTelegramAPI(server.URL, telegramTestToken).SendRichMessage(t.Context(), telegramTestOwner, markdown)
  73         require.NoError(t, err)
  74
  75         call := server.Calls()[0]
  76         require.Equal(t, "sendRichMessage", call.method)
  77         require.Equal(t, map[string]any{
  78                 "chat_id": float64(telegramTestOwner),
  79                 "rich_message": map[string]any{
  80                         "markdown": markdown,
  81                 },
  82         }, call.params)
  83 }
  84
  85 func TestSendCallsTimeOutOnAStalledConnection(t *testing.T) {
  86         testCases := []struct {
  87                 method string
  88                 send   func(ctx context.Context, api *TelegramAPI) error
  89         }{
  90                 {
  91                         method: "sendMessage",
  92                         send: func(ctx context.Context, api *TelegramAPI) error {
  93                                 return api.SendMessage(ctx, telegramTestOwner, "hi", nil)
  94                         },
  95                 },
  96                 {
  97                         method: "sendRichMessage",
  98                         send: func(ctx context.Context, api *TelegramAPI) error {
  99                                 return api.SendRichMessage(ctx, telegramTestOwner, "hi")
 100                         },
 101                 },
 102         }
 103
 104         for _, tc := range testCases {
 105                 t.Run(tc.method, func(t *testing.T) {
 106                         server := newTelegramFake(t)
 107                         server.stall = func(call TelegramFakeCall) bool {
 108                                 return call.method == tc.method
 109                         }
 110
 111                         api := newTelegramAPI(server.URL, telegramTestToken)
 112                         api.sendTimeout = 50 * time.Millisecond
 113                         start := time.Now()
 114                         err := tc.send(t.Context(), api)
 115                         require.EqualError(t, err, "no answer in 50ms")
 116                         require.Less(t, time.Since(start), 5*time.Second)
 117                         require.NotContains(t, err.Error(), telegramTestToken)
 118                         require.NotContains(t, err.Error(), server.URL)
 119
 120                         retry, _ := telegramRetryable(err)
 121                         require.True(t, retry)
 122
 123                         api.sendTimeout = time.Hour
 124                         ctx, cancel := context.WithCancel(t.Context())
 125                         time.AfterFunc(50*time.Millisecond, cancel)
 126                         start = time.Now()
 127                         err = tc.send(ctx, api)
 128                         require.Error(t, err)
 129                         require.Less(t, time.Since(start), 5*time.Second)
 130                 })
 131         }
 132 }
 133
 134 func TestBotErrorsDoNotHoldTheToken(t *testing.T) {
 135         testCases := []struct {
 136                 name      string
 137                 reply     func(w http.ResponseWriter)
 138                 retry     bool
 139                 wait      time.Duration
 140                 rejected  bool
 141                 errorText string
 142         }{
 143                 {
 144                         name: "refused connection is retried",
 145                         reply: func(w http.ResponseWriter) {
 146                                 conn, _, err := http.NewResponseController(w).Hijack()
 147                                 if err == nil {
 148                                         _ = conn.Close()
 149                                 }
 150                         },
 151                         retry:     true,
 152                         errorText: "no answer",
 153                 },
 154                 {
 155                         name: "rate limit waits as asked",
 156                         reply: func(w http.ResponseWriter) {
 157                                 w.WriteHeader(http.StatusTooManyRequests)
 158                                 _, _ = io.WriteString(w, `{"ok":false,"error_code":429,"description":"Too Many Requests: retry after 3","parameters":{"retry_after":3}}`)
 159                         },
 160                         retry:     true,
 161                         wait:      3 * time.Second,
 162                         errorText: "answered 429",
 163                 },
 164                 {
 165                         name: "server error page is retried",
 166                         reply: func(w http.ResponseWriter) {
 167                                 w.WriteHeader(http.StatusBadGateway)
 168                                 _, _ = io.WriteString(w, "<html>bad gateway</html>")
 169                         },
 170                         retry:     true,
 171                         errorText: "Telegram answered 502 Bad Gateway",
 172                 },
 173                 {
 174                         name: "token echoed in a description is hidden",
 175                         reply: func(w http.ResponseWriter) {
 176                                 w.WriteHeader(http.StatusUnauthorized)
 177                                 _, _ = io.WriteString(w, `{"ok":false,"error_code":401,"description":"Unauthorized: bot`+telegramTestToken+`"}`)
 178                         },
 179                         retry:     false,
 180                         errorText: "Unauthorized: botTOKEN",
 181                 },
 182                 {
 183                         name: "bad request is a refusal",
 184                         reply: func(w http.ResponseWriter) {
 185                                 w.WriteHeader(http.StatusBadRequest)
 186                                 _, _ = io.WriteString(w, `{"ok":false,"error_code":400,"description":"Bad Request: can't parse"}`)
 187                         },
 188                         retry:     false,
 189                         rejected:  true,
 190                         errorText: "answered 400 Bad Request: can't parse",
 191                 },
 192                 {
 193                         name: "unknown method is a refusal",
 194                         reply: func(w http.ResponseWriter) {
 195                                 w.WriteHeader(http.StatusNotFound)
 196                                 _, _ = io.WriteString(w, `{"ok":false,"error_code":404,"description":"Not Found"}`)
 197                         },
 198                         retry:     false,
 199                         rejected:  true,
 200                         errorText: "answered 404 Not Found",
 201                 },
 202                 {
 203                         name: "not found page of a proxy is not a refusal",
 204                         reply: func(w http.ResponseWriter) {
 205                                 w.WriteHeader(http.StatusNotFound)
 206                                 _, _ = io.WriteString(w, "<html>not found</html>")
 207                         },
 208                         retry:     false,
 209                         errorText: "answered 404 Not Found",
 210                 },
 211                 {
 212                         name: "broken answer is retried",
 213                         reply: func(w http.ResponseWriter) {
 214                                 _, _ = io.WriteString(w, `{"ok":`)
 215                         },
 216                         retry:     true,
 217                         errorText: "not valid JSON",
 218                 },
 219         }
 220
 221         for _, tc := range testCases {
 222                 t.Run(tc.name, func(t *testing.T) {
 223                         server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
 224                                 tc.reply(w)
 225                         }))
 226                         t.Cleanup(server.Close)
 227
 228                         err := newTelegramAPI(server.URL, telegramTestToken).SendMessage(t.Context(), telegramTestOwner, "hi", nil)
 229                         require.ErrorContains(t, err, tc.errorText)
 230                         require.NotContains(t, err.Error(), telegramTestToken)
 231                         require.NotContains(t, err.Error(), server.URL)
 232
 233                         retry, wait := telegramRetryable(err)
 234                         require.Equal(t, tc.retry, retry)
 235                         require.Equal(t, tc.wait, wait)
 236                         require.Equal(t, tc.rejected, telegramRejected(err))
 237                 })
 238         }
 239
 240         server := httptest.NewServer(http.NotFoundHandler())
 241         server.Close()
 242
 243         _, err := newTelegramAPI(server.URL, telegramTestToken).GetUpdates(t.Context(), 0)
 244         require.ErrorAs(t, err, new(*TelegramNetworkError))
 245         require.NotContains(t, err.Error(), telegramTestToken)
 246 }