More class based handlers

tests/test_dispatcher/test_handler/test_inline_query.py

@@ -0,0 +1,25 @@
+from typing import Any
+
+import pytest
+from aiogram.api.types import CallbackQuery, InlineQuery, User
+from aiogram.dispatcher.handler import InlineQueryHandler
+
+
+class TestCallbackQueryHandler:
+    @pytest.mark.asyncio
+    async def test_attributes_aliases(self):
+        event = InlineQuery(
+            id="query",
+            from_user=User(id=42, is_bot=False, first_name="Test"),
+            query="query",
+            offset="0",
+        )
+
+        class MyHandler(InlineQueryHandler):
+            async def handle(self) -> Any:
+                assert self.event == event
+                assert self.from_user == self.event.from_user
+                assert self.query == self.event.query
+                return True
+
+        assert await MyHandler(event)