Fixed coverage

tests/test_dispatcher/test_dispatcher.py

@@ -77,6 +77,12 @@ class TestDispatcher:
         assert dp.update.handlers[0].callback == dp._listen_update
         assert dp.update.outer_middleware
 
+    def test_init_args(self, bot: MockedBot):
+        with pytest.raises(TypeError):
+            Dispatcher(bot)
+        with pytest.raises(TypeError):
+            Dispatcher(storage=bot)
+
     def test_data_bind(self):
         dp = Dispatcher()
         assert dp.get("foo") is None

tests/test_dispatcher/test_event/test_handler.py

@@ -2,12 +2,14 @@ import functools
 from typing import Any, Dict, Union
 
 import pytest
+from magic_filter import F as A
 
 from aiogram import F
 from aiogram.dispatcher.event.handler import CallableMixin, FilterObject, HandlerObject
 from aiogram.filters import Filter
 from aiogram.handlers import BaseHandler
 from aiogram.types import Update
+from aiogram.utils.warnings import Recommendation
 
 pytestmark = pytest.mark.asyncio
 
@@ -209,3 +211,7 @@ class TestHandlerObject:
         assert len(handler.filters) == 1
         result = await handler.call(Update(update_id=42))
         assert result == 42
+
+    def test_warn_another_magic(self):
+        with pytest.warns(Recommendation):
+            FilterObject(callback=A.test.is_(True))

tests/test_filters/test_command.py

@@ -6,13 +6,30 @@ import pytest
 from aiogram import F
 from aiogram.filters import Command, CommandObject
 from aiogram.filters.command import CommandStart
-from aiogram.types import Chat, Message, User
+from aiogram.types import BotCommand, Chat, Message, User
 from tests.mocked_bot import MockedBot
 
 pytestmark = pytest.mark.asyncio
 
 
 class TestCommandFilter:
+    def test_commands_not_iterable(self):
+        with pytest.raises(ValueError):
+            Command(commands=1)
+
+    def test_bad_type(self):
+        with pytest.raises(ValueError):
+            Command(1)
+
+    def test_without_args(self):
+        with pytest.raises(ValueError):
+            Command()
+
+    def test_resolve_bot_command(self):
+        command = Command(BotCommand(command="test", description="Test"))
+        assert isinstance(command.commands[0], str)
+        assert command.commands[0] == "test"
+
     def test_convert_to_list(self):
         cmd = Command(commands="start")
         assert cmd.commands
@@ -86,6 +103,7 @@ class TestCommandFilter:
                 ),
                 True,
             ],
+            [None, False],
         ],
     )
     async def test_call(self, message: Message, result: bool, bot: MockedBot):
@@ -121,6 +139,19 @@ class TestCommandFilter:
         command_obj: CommandObject = result["command"]
         assert command_obj.mention is None
 
+    def test_str(self):
+        cmd = Command(commands=["start"])
+        assert str(cmd) == "Command('start', prefix='/', ignore_case=False, ignore_mention=False)"
+
+
+class TestCommandStart:
+    def test_str(self):
+        cmd = CommandStart()
+        assert (
+            str(cmd)
+            == "CommandStart(ignore_case=False, ignore_mention=False, deep_link=False, deep_link_encoded=False)"
+        )
+
 
 class TestCommandObject:
     @pytest.mark.parametrize(
@@ -168,7 +199,3 @@ class TestCommandObject:
 
         cmd.update_handler_flags(flags)
         assert len(flags["commands"]) == 2
-
-    def test_str(self):
-        cmd = Command(commands=["start"])
-        assert str(cmd) == "Command('start', prefix='/', ignore_case=False, ignore_mention=False)"

tests/test_filters/test_exception.py

@@ -57,6 +57,10 @@ class TestExceptionTypeFilter:
 
         assert result == value
 
+    def test_without_arguments(self):
+        with pytest.raises(ValueError):
+            ExceptionTypeFilter()
+
 
 class TestDispatchException:
     async def test_handle_exception(self, bot):