Beta 3 (#884)

* Rework middlewares, separate management to `MiddlewareManager` class

* Rework middlewares

* Added changes description for redis

* Added changes description for redis

* Fixed tests with Redis // aioredis replacement

* Changed msg.<html/md>_text attributes behaviour

* Added changelog for spoilers

* Added possibility to get command magic result as handler arguments

tests/test_dispatcher/test_deprecated.py

@@ -5,27 +5,38 @@ from aiogram.dispatcher.router import Router
 from tests.deprecated import check_deprecated
 
 OBSERVERS = {
-    "callback_query",
-    "channel_post",
-    "chosen_inline_result",
-    "edited_channel_post",
-    "edited_message",
-    "errors",
-    "inline_query",
     "message",
+    "edited_message",
+    "channel_post",
+    "edited_channel_post",
+    "inline_query",
+    "chosen_inline_result",
+    "callback_query",
+    "shipping_query",
+    "pre_checkout_query",
     "poll",
     "poll_answer",
-    "pre_checkout_query",
-    "shipping_query",
+    "my_chat_member",
+    "chat_member",
+    "chat_join_request",
+    "errors",
 }
 
-DEPRECATED_OBSERVERS = {observer + "_handler" for observer in OBSERVERS}
 
-
-@pytest.mark.parametrize("observer_name", DEPRECATED_OBSERVERS)
+@pytest.mark.parametrize("observer_name", OBSERVERS)
 def test_deprecated_handlers_name(observer_name: str):
     router = Router()
 
     with check_deprecated("3.2", exception=AttributeError):
-        observer = getattr(router, observer_name)
+        observer = getattr(router, f"{observer_name}_handler")
         assert isinstance(observer, TelegramEventObserver)
+
+
+@pytest.mark.parametrize("observer_name", OBSERVERS)
+def test_deprecated_register_handlers(observer_name: str):
+    router = Router()
+
+    with check_deprecated("3.2", exception=AttributeError):
+        register = getattr(router, f"register_{observer_name}")
+        register(lambda event: True)
+        assert callable(register)