internal/chat/telegram: long-poll Channel (sendMessage, getUpdates, Options→HTML, apiURL заменяем для тестов)

internal/chat/telegram/telegram_test.go

@@ -0,0 +1,143 @@
+package telegram
+
+import (
+	"context"
+	"encoding/json"
+	"net/http"
+	"net/http/httptest"
+	"strings"
+	"sync"
+	"testing"
+	"time"
+
+	"github.com/kamelion/ratatoskr-go/internal/chat"
+)
+
+// fakeTG — тестовый сервер, имитирующий Telegram Bot API.
+type fakeTG struct {
+	srv    *httptest.Server
+	mu     sync.Mutex
+	sent   []sendReq
+	updCh  chan []update // следующая пачка обновлений
+	closed bool
+}
+
+type sendReq struct {
+	ChatID string `json:"chat_id"`
+	Text   string `json:"text"`
+}
+
+func newFakeTG(t *testing.T) *fakeTG {
+	t.Helper()
+	f := &fakeTG{updCh: make(chan []update, 10)}
+	mux := http.NewServeMux()
+	mux.HandleFunc("/botTOKEN/sendMessage", func(w http.ResponseWriter, r *http.Request) {
+		var req sendReq
+		json.NewDecoder(r.Body).Decode(&req)
+		f.mu.Lock()
+		f.sent = append(f.sent, req)
+		f.mu.Unlock()
+		w.Header().Set("Content-Type", "application/json")
+		json.NewEncoder(w).Encode(map[string]bool{"ok": true})
+	})
+	mux.HandleFunc("/botTOKEN/getUpdates", func(w http.ResponseWriter, r *http.Request) {
+		f.mu.Lock()
+		upds := []update{}
+		if len(f.updCh) > 0 {
+			upds = <-f.updCh
+		}
+		f.mu.Unlock()
+		w.Header().Set("Content-Type", "application/json")
+		json.NewEncoder(w).Encode(map[string]any{"ok": true, "result": upds})
+	})
+
+	f.srv = httptest.NewServer(mux)
+	t.Cleanup(f.srv.Close)
+	return f
+}
+
+func (f *fakeTG) push(text string) {
+	msg := message{MessageID: int64(len(f.sent) + 1), Text: text}
+	msg.Chat.ID = 123
+	f.updCh <- []update{{
+		UpdateID: int64(len(f.sent) + 1),
+		Message:  &msg,
+	}}
+}
+
+func TestSend(t *testing.T) {
+	f := newFakeTG(t)
+	ch := New("TOKEN", time.Second)
+	ch.client = f.srv.Client()
+	// подменяем baseURL на тестовый
+	ch.apiURL = f.srv.URL + "/bot%s/"
+
+	err := ch.Send(context.Background(), "tg://123", chat.Message{Text: "hello"})
+	if err != nil {
+		t.Fatalf("Send: %v", err)
+	}
+	if len(f.sent) != 1 {
+		t.Fatal("не отправлено")
+	}
+	if f.sent[0].Text != "hello" {
+		t.Errorf("text = %q", f.sent[0].Text)
+	}
+}
+
+func TestSendWithOptions(t *testing.T) {
+	f := newFakeTG(t)
+	ch := New("TOKEN", time.Second)
+	ch.client = f.srv.Client()
+	ch.apiURL = f.srv.URL + "/bot%s/"
+
+	err := ch.Send(context.Background(), "tg://123", chat.Message{
+		Text: "Выбери:",
+		Options: []chat.Option{
+			{ID: "a", Label: "Чай"},
+			{ID: "b", Label: "Кофе"},
+		},
+	})
+	if err != nil {
+		t.Fatalf("Send: %v", err)
+	}
+	if !strings.Contains(f.sent[0].Text, "<b>1.</b> Чай") {
+		t.Errorf("формат options: %s", f.sent[0].Text)
+	}
+	if !strings.Contains(f.sent[0].Text, "<b>2.</b> Кофе") {
+		t.Errorf("формат options: %s", f.sent[0].Text)
+	}
+}
+
+func TestIncoming(t *testing.T) {
+	f := newFakeTG(t)
+	ch := New("TOKEN", time.Second)
+	ch.client = f.srv.Client()
+	ch.apiURL = f.srv.URL + "/bot%s/"
+
+	incoming := make(chan chat.Incoming, 1)
+	ch.OnMessage(func(inc chat.Incoming) {
+		incoming <- inc
+	})
+
+	ctx, cancel := context.WithTimeout(context.Background(), 2*time.Second)
+	defer cancel()
+
+	go ch.Run(ctx)
+
+	f.push("тест")
+
+	select {
+	case inc := <-incoming:
+		if inc.UserID != "123" {
+			t.Errorf("UserID = %q, want 123", inc.UserID)
+		}
+		if inc.Address != "tg://123" {
+			t.Errorf("Address = %q", inc.Address)
+		}
+		if inc.Msg.Text != "тест" {
+			t.Errorf("text = %q", inc.Msg.Text)
+		}
+	case <-ctx.Done():
+		t.Fatal("timeout ожидания входящего")
+	}
+}