Add set_chat_member_tag shortcut coverage

aiogram/types/chat.py

@@ -28,6 +28,7 @@ if TYPE_CHECKING:
         SendChatAction,
         SetChatAdministratorCustomTitle,
         SetChatDescription,
+        SetChatMemberTag,
         SetChatPermissions,
         SetChatPhoto,
         SetChatStickerSet,
@@ -967,6 +968,38 @@ class Chat(TelegramObject):
             **kwargs,
         ).as_(self._bot)
 
+    def set_member_tag(
+        self,
+        user_id: int,
+        tag: str | None = None,
+        **kwargs: Any,
+    ) -> SetChatMemberTag:
+        """
+        Shortcut for method :class:`aiogram.methods.set_chat_member_tag.SetChatMemberTag`
+        will automatically fill method attributes:
+
+        - :code:`chat_id`
+
+        Use this method to set a tag for a regular member in a group or a supergroup. The bot must be an administrator in the chat for this to work and must have the *can_manage_tags* administrator right. Returns :code:`True` on success.
+
+        Source: https://core.telegram.org/bots/api#setchatmembertag
+
+        :param user_id: Unique identifier of the target user
+        :param tag: New tag for the member; 0-16 characters, emoji are not allowed
+        :return: instance of method :class:`aiogram.methods.set_chat_member_tag.SetChatMemberTag`
+        """
+        # DO NOT EDIT MANUALLY!!!
+        # This method was auto-generated via `butcher`
+
+        from aiogram.methods import SetChatMemberTag
+
+        return SetChatMemberTag(
+            chat_id=self.id,
+            user_id=user_id,
+            tag=tag,
+            **kwargs,
+        ).as_(self._bot)
+
     def set_permissions(
         self,
         permissions: ChatPermissions,

tests/test_api/test_methods/test_set_chat_member_tag.py

@@ -0,0 +1,11 @@
+from aiogram.methods import SetChatMemberTag
+from tests.mocked_bot import MockedBot
+
+
+class TestSetChatMemberTag:
+    async def test_bot_method(self, bot: MockedBot):
+        prepare_result = bot.add_result_for(SetChatMemberTag, ok=True, result=True)
+
+        response: bool = await bot.set_chat_member_tag(chat_id=-42, user_id=42, tag="test")
+        bot.get_request()
+        assert response == prepare_result.result

tests/test_api/test_types/test_chat.py

@@ -115,6 +115,14 @@ class TestChat:
         method = chat.set_administrator_custom_title(user_id=1, custom_title="test")
         assert method.chat_id == chat.id
 
+    def test_set_member_tag(self):
+        chat = Chat(id=-42, type="supergroup")
+
+        method = chat.set_member_tag(user_id=42, tag="test")
+        assert method.chat_id == chat.id
+        assert method.user_id == 42
+        assert method.tag == "test"
+
     def test_set_permissions(self):
         chat = Chat(id=-42, type="supergroup")