+func (f *TelegramFake) Image(id string, data []byte) {
+ f.mutex.Lock()
+ defer f.mutex.Unlock()
+
+ if f.images == nil {
+ f.images = make(map[string][]byte)
+ }
+
+ f.images[id] = data
+}
+
+// RoundTrip handles a request in memory, so synctest can control its timers.
+func (f *TelegramFake) RoundTrip(request *http.Request) (*http.Response, error) {
+ response := httptest.NewRecorder()
+ f.serve(response, request)
+
+ ctx := request.Context()
+ if ctx.Err() != nil {
+ return nil, ctx.Err()
+ }
+
+ return response.Result(), nil
+}
+