(`Query()`, `Body()`, etc.) esses exemplos não são adicionados ao JSON Schema que descreve esses dados (nem mesmo para versão própria do OpenAPI do JSON Schema), eles são adicionados diretamente à declaração da *operação de rota* no OpenAPI (fora das partes do OpenAPI que usam o JSON Schema).

Para `Path()`, `Query()`, `Header()`, e `Cookie()`, o `example` e `examples` são adicionados a <a href="https://github.com/OAI/OpenAPI-Specification/blob/main/versions/3.0.3.md#parameter-object" class="external-link"...

{* ../../docs_src/path_params_numeric_validations/tutorial001_an_py310.py hl[10] *}

/// note

Un paramètre de chemin est toujours requis car il doit faire partie du chemin. Même si vous l'avez déclaré avec `None` ou défini une valeur par défaut, cela ne changerait rien, il serait toujours requis.

///

## Ordonnez les paramètres comme vous le souhaitez

/// tip

    * Tests frontend exécutés à la compilation (pouvant être désactivés).
    * Fait aussi modulable que possible, pour pouvoir fonctionner comme tel, tout en pouvant être utilisé qu'en partie grâce à Vue CLI.
* **PGAdmin** pour les bases de données PostgreSQL, facilement modifiable pour utiliser PHPMYAdmin ou MySQL.
* **Flower** pour la surveillance de tâches Celery.

 *    Note that the private key is not a part of the certificate!
 *
 *  * **A signature issued by another certificate's private key.** This mechanism allows a trusted
 *    third-party to endorse a certificate. Third parties should only endorse certificates once
 *    they've confirmed that the owner of the private key is also the owner of the certificate's
 *    other properties.
 *

If any provision of this Agreement is invalid or unenforceable under
applicable law, it shall not affect the validity or enforceability of
the remainder of the terms of this Agreement, and without further
action by the parties hereto, such provision shall be reformed to the
minimum extent necessary to make such provision valid and enforceable.

If Recipient institutes patent litigation against any entity

* Caddy (that can also handle certificate renewals)
* Nginx
* HAProxy

## Let's Encrypt { #lets-encrypt }

Before Let's Encrypt, these **HTTPS certificates** were sold by trusted third parties.

The process to acquire one of these certificates used to be cumbersome, require quite some paperwork and the certificates were quite expensive.

<img src="/img/tutorial/body/image02.png">

## Soporte del editor

En tu editor, dentro de tu función, obtendrás anotaciones de tipos y autocompletado en todas partes (esto no sucedería si recibieras un `dict` en lugar de un modelo de Pydantic):

<img src="/img/tutorial/body/image03.png">

También recibirás chequeos de errores para operaciones de tipo incorrecto:

...y tener el código para las pruebas tal como antes.

## Pruebas: ejemplo extendido

Ahora extiende este ejemplo y añade más detalles para ver cómo escribir pruebas para diferentes partes.

### Archivo de aplicación **FastAPI** extendido

Continuemos con la misma estructura de archivos que antes:

```
.
├── app
│   ├── __init__.py
│   ├── main.py
│   └── test_main.py
```

If any provision of this Agreement is invalid or unenforceable under applicable
law, it shall not affect the validity or enforceability of the remainder of
the terms of this Agreement, and without further action by the parties hereto,
such provision shall be reformed to the minimum extent necessary to make such
provision valid and enforceable.

If Recipient institutes patent litigation against any entity (including a

{* ../../docs_src/app_testing/test_main.py hl[3] *}

...e ter o código para os testes como antes.

## Testando: exemplo estendido

Agora vamos estender este exemplo e adicionar mais detalhes para ver como testar diferentes partes.

### Arquivo de aplicativo **FastAPI** estendido

Vamos continuar com a mesma estrutura de arquivo de antes:

```
.
├── app
│   ├── __init__.py
│   ├── main.py
│   └── test_main.py
```