Update documentation

docs/code_snippets/testing/app_e2e_test.py

@@ -8,22 +8,21 @@ from argenta import App, Orchestrator, Router, Command, Response
 
 @pytest.fixture(autouse=True)
 def patched_argv():
-    with patch.object(sys, 'argv', ['program.py']):
+    with patch.object(sys, "argv", ["program.py"]):
         yield
 
+
 def test_input_incorrect_command(capsys: CaptureFixture[str]):
     router = Router()
     orchestrator = Orchestrator()
 
-    @router.command(Command('test'))
+    @router.command(Command("test"))
     def test(response: Response) -> None:
-        print('test command')
+        print("test command")
 
     app = App(override_system_messages=True, printer=print)
     app.include_router(router)
-    app.set_unknown_command_handler(
-        lambda command: print(f'Unknown command: {command.trigger}')
-    )
+    app.set_unknown_command_handler(lambda command: print(f"Unknown command: {command.trigger}"))
 
     with patch("builtins.input", side_effect=["help", "q"]):
         orchestrator.start_polling(app)

docs/code_snippets/testing/app_integration_unittest.py

@@ -17,5 +17,5 @@ def test_simple_app() -> None:
 
     with redirect_stdout(io.StringIO()) as stdout:
         router.finds_appropriate_handler(InputCommand.parse("HELP"))
-        
+
     assert "Available commands:" in stdout.getvalue()

docs/code_snippets/testing/di_handler_unittest.py

@@ -11,18 +11,20 @@ from argenta.di.integration import setup_dishka, FromDishka
 class Service:
     def hello(self) -> str:
         return "world"
-        
+
+
 def get_service() -> Service:
     return Service()
-        
+
 
 router = Router(title="DI")
 
+
 @router.command("HELLO")
 def hello(response: Response, service: FromDishka[Service]) -> None:
     print(f"hello {service.hello()}")
-    
-    
+
+
 class _FakeApp:
     # Minimal stub for setup_dishka; app object is not used in unit tests
     registered_routers = [router]
@@ -31,12 +33,12 @@ class _FakeApp:
 def test_hello_uses_service():
     provider = Provider(scope=Scope.APP)
     provider.provide(get_service)
-    
+
     container = make_container(provider)
     setup_dishka(app=_FakeApp(), container=container, auto_inject=True)
 
     # Call handler
     with redirect_stdout(io.StringIO()) as stdout:
-        router.finds_appropriate_handler(InputCommand.parse('HELLO'))
+        router.finds_appropriate_handler(InputCommand.parse("HELLO"))
 
     assert "hello world" in stdout.getvalue()

docs/code_snippets/testing/simple_handler_unittest.py

@@ -7,6 +7,7 @@ from argenta.command import InputCommand
 
 router = Router(title="Demo")
 
+
 @router.command(Command("PING", description="Ping command"))
 def ping(response: Response):
     print("PONG")