Merge branch 'dev-3.x' into dev-3.x-flat-package

# Conflicts:
#	tests/test_filters/test_state.py

tests/test_api/test_methods/test_send_chat_action.py

@@ -1,6 +1,7 @@
 import pytest
 
 from aiogram.methods import Request, SendChatAction
+from aiogram.types import ChatAction
 from tests.mocked_bot import MockedBot
 
 pytestmark = pytest.mark.asyncio
@@ -22,3 +23,12 @@ class TestSendChatAction:
         request: Request = bot.get_request()
         assert request.method == "sendChatAction"
         assert response == prepare_result.result
+
+    async def test_chat_action_class(self, bot: MockedBot):
+        prepare_result = bot.add_result_for(SendChatAction, ok=True, result=True)
+
+        response: bool = await bot.send_chat_action(chat_id=42, action=ChatAction.TYPING)
+        request: Request = bot.get_request()
+        assert request.method == "sendChatAction"
+        assert request.data["action"] == "typing"
+        assert response == prepare_result.result

tests/test_filters/test_state.py

@@ -1,7 +1,9 @@
+from copy import copy
 from inspect import isclass
 
 import pytest
 
+from aiogram.dispatcher.event.handler import FilterObject
 from aiogram.filters import StateFilter
 from aiogram.fsm.state import State, StatesGroup
 from aiogram.types import Update
@@ -50,3 +52,23 @@ class TestStateFilter:
     async def test_filter(self, state, current_state, result):
         f = StateFilter(state=state)
         assert bool(await f(obj=Update(update_id=42), raw_state=current_state)) is result
+
+    @pytestmark
+    async def test_create_filter_from_state(self):
+        FilterObject(callback=State(state="state"))
+
+    @pytestmark
+    async def test_state_copy(self):
+        class SG(StatesGroup):
+            state = State()
+
+        assert SG.state == copy(SG.state)
+
+        assert SG.state == "SG:state"
+        assert "SG:state" == SG.state
+
+        assert State() == State()
+        assert SG.state != 1
+
+        states = {SG.state: "OK"}
+        assert states.get(copy(SG.state)) == "OK"