url: 'https://fastapi.tiangolo.com'
abstract: >-
  FastAPI framework, high performance, easy to learn, fast to code,
  ready for production
keywords:
  - fastapi
  - pydantic
  - starlette

# Events testen: Lifespan und Startup – Shutdown { #testing-events-lifespan-and-startup-shutdown }

Wenn Sie `lifespan` in Ihren Tests ausführen müssen, können Sie den `TestClient` mit einer `with`-Anweisung verwenden:

{* ../../docs_src/app_testing/tutorial004_py39.py hl[9:15,18,27:28,30:32,41:43] *}

        "name": "Deadpoolio the Amazing",
        "url": "http://x-force.example.com/contact/",
        "email": "******@****.***",
    },
    license_info={
        "name": "Apache 2.0",
        "identifier": "MIT",
    },
)


@app.get("/items/")
async def read_items():

/**
 * termynal.js
 *
 * @author Ines Montani <******@****.***>
 * @version 0.0.1
 * @license MIT
 */

:root {
    --color-bg: #252a33;
    --color-text: #eee;
    --color-text-subtle: #a2a2a2;
}

[data-termynal] {
    width: 750px;
    max-width: 100%;
    background: var(--color-bg);
    color: var(--color-text);
    /* font-size: 18px; */
    font-size: 15px;

= vendor/github.com/blang/semver/v4 licensed under: =

The MIT License

Copyright (c) 2014 Benedikt Lang <github at benediktlang.de>

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell

= vendor/github.com/cespare/xxhash/v2 licensed under: =

Copyright (c) 2016 Caleb Spare

MIT License

Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to

                "url": "http://x-force.example.com/contact/",
                "email": "******@****.***",
            },
            "license": {
                "name": "Apache 2.0",
                "identifier": "MIT",
            },
            "version": "0.0.1",
        },
        "paths": {
            "/items/": {
                "get": {
                    "summary": "Read Items",

In beiden Fällen wird sie haben:

* Einen optionalen `q`-Query-Parameter, der ein `str` ist.
* Einen `skip`-Query-Parameter, der ein `int` ist, mit einem Defaultwert `0`.
* Einen `limit`-Query-Parameter, der ein `int` ist, mit einem Defaultwert `100`.

In beiden Fällen werden die Daten konvertiert, validiert, im OpenAPI-Schema dokumentiert, usw.

## Verwenden { #use-it }

MIT License

Copyright (c) 2024 Vish Kannan

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is

= vendor/github.com/Microsoft/hnslib licensed under: =

MIT License

Copyright (c) 2024 Microsoft

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell