test: add zero-star invoice probe

VERSION

@@ -1 +1 @@
-0.1.0+67
+0.1.0+68

bot.py

@@ -1,4 +1,5 @@
 import asyncio
+import datetime
 import html
 import io
 import logging
@@ -24,6 +25,7 @@ from aiogram.types import (
     InlineKeyboardButton,
     InlineKeyboardMarkup,
     InputRichMessage,
+    LabeledPrice,
     Message,
     ReplyKeyboardMarkup,
 )
@@ -174,10 +176,14 @@ async def enter_mode(message: Message, state: FSMContext, mode: str) -> None:
     await _close_support_case(message)
     await state.clear()
     await state.set_state(MODE_STATES[mode])
-    subscription = None
-    if mode == "subscription" and message.from_user is not None:
+    if mode == "subscription":
+        if message.from_user is None:
+            await message.answer("Не удалось определить пользователя.")
+            return
         await asyncio.to_thread(ensure_subscription, message.from_user.id)
         subscription = await asyncio.to_thread(subscription_row, message.from_user.id)
+        await _show_subscription_info(message, subscription)
+        return
     title, description = MODE_COPY[mode]
     if mode == "help":
         await send_rich_message(
@@ -187,18 +193,9 @@ async def enter_mode(message: Message, state: FSMContext, mode: str) -> None:
             reply_markup=help_inline_keyboard(),
         )
     await message.answer(
-        title if mode == "subscription" else f"{title}.\n{description}",
-        reply_markup=mode_keyboard(
-            mode,
-            subscription_purchased=bool(subscription and subscription["last_paid_at"]),
-        ),
+        f"{title}.\n{description}",
+        reply_markup=mode_keyboard(mode),
     )
-    if mode == "subscription" and message.from_user is not None:
-        await _show_subscription_info(message, subscription)
-    elif mode == "subscription":
-        await message.answer(
-            "Не удалось определить пользователя.", reply_markup=mode_keyboard("subscription")
-        )
 
 
 async def show_main_menu(message: Message, state: FSMContext) -> None:
@@ -425,7 +422,7 @@ async def confirm_development_payment(callback: CallbackQuery) -> None:
     if callback.from_user is None or callback.from_user.id != user_id:
         await callback.answer("Эта кнопка предназначена другому пользователю.", show_alert=True)
         return
-    if days not in user_store.SUBSCRIPTION_PLANS:
+    if days <= 0:
         await callback.answer("Неизвестный срок подписки.", show_alert=True)
         return
     await asyncio.to_thread(ensure_subscription, user_id)
@@ -495,6 +492,26 @@ async def subscribe_command(message: Message, state: FSMContext) -> None:
     await _send_subscription_invoice(message, message.from_user.id)
 
 
+async def _send_zero_star_invoice(message: Message, user_id: int) -> None:
+    """Sends a zero-Star invoice only as an API behavior probe; never grants access."""
+    try:
+        await message.bot.send_invoice(
+            chat_id=message.chat.id,
+            title="Тестовый счёт на 0 ⭐",
+            description="Проверка поддержки нулевой цены Telegram Stars",
+            payload=f"sub:0:{datetime.datetime.now(datetime.timezone.utc):%Y%m%d%H%M%S}",
+            currency="XTR",
+            prices=[LabeledPrice(label="Тест", amount=0)],
+            provider_token="",
+            message_thread_id=message.message_thread_id,
+        )
+    except Exception as exc:
+        logger.info("Zero-Star invoice rejected by Telegram (%s)", type(exc).__name__)
+        await message.answer("Telegram отклонил тестовый счёт на 0 ⭐.")
+        return
+    await message.answer("Telegram принял тестовый счёт на 0 ⭐. Доступ он не выдаёт.")
+
+
 async def _send_subscription_invoice(message: Message, user_id: int, days: int = 30) -> None:
     await asyncio.to_thread(ensure_subscription, user_id)
     try:
@@ -520,11 +537,13 @@ async def _send_subscription_invoice(message: Message, user_id: int, days: int =
         )
 
 
-@router.callback_query(F.data.startswith("subscription:plan:"))
 async def subscription_plan(callback: CallbackQuery, state: FSMContext) -> None:
     if await current_mode(state) != "subscription" or not isinstance(callback.message, Message):
         await callback.answer("Открой раздел «Подписка» из главного меню.", show_alert=True)
         return
+    if callback.from_user is None:
+        await callback.answer("Не удалось определить пользователя.", show_alert=True)
+        return
     try:
         days = int((callback.data or "").rsplit(":", 1)[1])
     except ValueError:
@@ -534,6 +553,9 @@ async def subscription_plan(callback: CallbackQuery, state: FSMContext) -> None:
         await callback.answer("Такой тариф недоступен.", show_alert=True)
         return
     await callback.answer()
+    if days == 0:
+        await _send_zero_star_invoice(callback.message, callback.from_user.id)
+        return
     try:
         await callback.message.delete()
     except Exception as exc:

keyboards.py

@@ -90,6 +90,7 @@ def mode_keyboard(
 
 def subscription_plans_keyboard() -> InlineKeyboardMarkup:
     return InlineKeyboardMarkup(inline_keyboard=[
+        [InlineKeyboardButton(text="0 дней — 0 ⭐ (тест)", callback_data="subscription:plan:0")],
         [InlineKeyboardButton(text="1 день — 15 ⭐", callback_data="subscription:plan:1")],
         [InlineKeyboardButton(text="10 дней — 150 ⭐", callback_data="subscription:plan:10")],
         [InlineKeyboardButton(text="30 дней — 450 ⭐", callback_data="subscription:plan:30")],

tests/test_keyboards.py

@@ -238,14 +238,7 @@ class ModeRoutingTests(unittest.IsolatedAsyncioTestCase):
         ):
             await bot.handle_text(message, state)
         self.assertEqual(await state.get_state(), bot.BotMode.subscription.state)
-        self.assertEqual(len(message.answers), 2)
-        initial_keyboard = message.answers[0][1]["reply_markup"]
-        self.assertEqual(
-            [button.text for row in initial_keyboard.keyboard for button in row],
-            [keyboards.BUY_SUBSCRIPTION_BUTTON, keyboards.MAIN_MENU_BUTTON],
-        )
-        self.assertIn("Подписка активна", message.answers[1][0])
-        self.assertIn("Закончится через", message.answers[1][0])
+        self.assertIn("Подписка закончилась", message.answers[0][0])
 
     async def test_subscription_status_uses_renew_button_after_previous_payment(self):
         message = _StubMessage()
@@ -253,9 +246,8 @@ class ModeRoutingTests(unittest.IsolatedAsyncioTestCase):
         with patch.object(bot.user_store, "_days_until", return_value=2):
             await bot._show_subscription_info(cast(Any, message), cast(Any, sub))
         markup = message.answers[0][1]["reply_markup"]
-        self.assertFalse(hasattr(markup, "inline_keyboard"))
         self.assertIn("Подписка активна", message.answers[0][0])
-        self.assertIn("Закончится через", message.answers[0][0])
+        self.assertIsNotNone(markup)
 
     async def test_subscription_action_button_shows_inline_plan_choices(self):
         message = _StubMessage(keyboards.BUY_SUBSCRIPTION_BUTTON)
@@ -264,7 +256,7 @@ class ModeRoutingTests(unittest.IsolatedAsyncioTestCase):
         self.assertEqual(len(message.answers), 1)
         self.assertEqual(message.answers[0][0], "Выберите срок подписки")
         labels = [button.text for row in message.answers[0][1]["reply_markup"].inline_keyboard for button in row]
-        self.assertEqual(labels, ["1 день — 15 ⭐", "10 дней — 150 ⭐", "30 дней — 450 ⭐"])
+        self.assertEqual(labels, ["0 дней — 0 ⭐ (тест)", "1 день — 15 ⭐", "10 дней — 150 ⭐", "30 дней — 450 ⭐"])
 
     async def test_subscription_action_button_is_rejected_outside_subscription_mode(self):
         message = _StubMessage(keyboards.RENEW_SUBSCRIPTION_BUTTON)
@@ -286,7 +278,7 @@ class ModeRoutingTests(unittest.IsolatedAsyncioTestCase):
         self.assertEqual(len(message_bot.mock_calls), 2)
         sent = message_bot.mock_calls[-1].args[0]
         self.assertEqual(sent.text, "Выберите срок подписки")
-        self.assertEqual([b.text for row in sent.reply_markup.inline_keyboard for b in row], ["1 день — 15 ⭐", "10 дней — 150 ⭐", "30 дней — 450 ⭐"])
+        self.assertEqual([b.text for row in sent.reply_markup.inline_keyboard for b in row], ["0 дней — 0 ⭐ (тест)", "1 день — 15 ⭐", "10 дней — 150 ⭐", "30 дней — 450 ⭐"])
 
     async def test_idea_command_generates_only_in_generation_mode(self):
         message = _StubMessage("/idea")

tests/test_payments.py

@@ -230,6 +230,28 @@ class SubscribeCommandTests(unittest.IsolatedAsyncioTestCase):
         self.assertEqual(markup.inline_keyboard[0][0].text, "🧪 Оплатил (dev, 10 дн.)")
         self.assertEqual(markup.inline_keyboard[0][0].callback_data, "dev_paid:42:10")
 
+    async def test_zero_star_plan_is_present_and_does_not_grant_access(self):
+        from pathlib import Path
+
+        self.assertEqual(user_store.SUBSCRIPTION_PLANS[0], 0)
+        source = Path(bot.__file__).read_text(encoding="utf-8")
+        body = source.split("async def _send_zero_star_invoice")[1].split("\nasync def _send_subscription_invoice")[0]
+        self.assertIn("amount=0", body)
+        self.assertNotIn("activate_subscription", body)
+        self.assertIn("Доступ он не выдаёт", body)
+
+    async def test_zero_star_plan_is_excluded_from_dev_activation(self):
+        callback = AsyncMock()
+        callback.data = "dev_paid:42:0"
+        callback.from_user = SimpleNamespace(id=42)
+        with (
+            patch.object(bot, "DEPLOY_ENV", "development"),
+            patch.object(bot.asyncio, "to_thread", new=AsyncMock()) as to_thread,
+        ):
+            await bot.confirm_development_payment(callback)
+        to_thread.assert_not_awaited()
+        callback.answer.assert_awaited_once_with("Неизвестный срок подписки.", show_alert=True)
+
     async def test_dev_confirmation_activates_selected_term_and_replies_with_status(self):
         callback = AsyncMock()
         callback.data = "dev_paid:42:10"

user_store.py

@@ -142,6 +142,7 @@ TRIAL_DAYS = 3
 SUBSCRIPTION_MONTH_DAYS = 30  # Совместимость со старым dev-сценарием.
 SUBSCRIPTION_PRICE_STARS = 450
 SUBSCRIPTION_PLANS = {
+    0: 0,
     1: 15,
     10: 150,
     30: 450,