from typing import Any


def get_body_model_name(openapi: dict[str, Any], path: str) -> str:
    body = openapi["paths"][path]["post"]["requestBody"]
    body_schema = body["content"]["application/json"]["schema"]

@app.get("/")
async def read_main():
    return {"msg": "Hello World"}


client = TestClient(app)


def test_read_main():
    response = client.get("/")
    assert response.status_code == 200

Eğer tarayıcınızda şu bağlantıyı:

```
http://127.0.0.1:8000/items/foo-item
```

...`needy` parametresini eklemeden açarsanız şuna benzer bir hata ile karşılaşırsınız:

```JSON
{
  "detail": [
    {
      "type": "missing",
      "loc": [
        "query",
        "needy"
      ],
      "msg": "Field required",
      "input": null
    }
  ]
}
```

    RedirectResponse,
    Response,
    StreamingResponse,
    UJSONResponse,
)
```

## FastAPI Responses

There are a couple of custom FastAPI response classes, you can use them to optimize JSON performance.

::: fastapi.responses.UJSONResponse
    options:
        members:
            - charset
            - status_code
            - media_type
            - body
            - background

Наприклад, якщо клієнт спробує надіслати заголовок `tool` зі значенням `plumbus`, він отримає  **помилку** з повідомленням про те, що параметр заголовка `tool` не дозволений:

```json
{
    "detail": [
        {
            "type": "extra_forbidden",
            "loc": ["header", "tool"],
            "msg": "Extra inputs are not permitted",
            "input": "plumbus",
        }
    ]

        ),
    ],
)
def test_success(path: str):
    client = TestClient(app)
    response = client.get(f"{path}/hello")
    assert response.status_code == 200, response.text

client = TestClient(app)


def test_path_operation():
    response = client.get("/headers-and-object/")
    assert response.status_code == 200, response.text
    assert response.json() == {"message": "Hello World"}

```txt
Hello, World from Flask!
```

Und wenn Sie auf <a href="http://localhost:8000/v2" class="external-link" target="_blank">http://localhost:8000/v2</a> gehen, sehen Sie die Response von FastAPI:

```JSON
{
    "message": "Hello World"
}

func (err *s3Error) Error() string {
	return err.message
}

func errJSONParsingError(err error) *s3Error {
	return &s3Error{
		code:       "JSONParsingError",
		message:    fmt.Sprintf("Encountered an error parsing the JSON file: %v. Check the file and try again.", err),
		statusCode: 400,
		cause:      err,
	}

     */
    public enum SearchRequestType {
        /** Search request type. */
        SEARCH,
        /** Admin search request type. */
        ADMIN_SEARCH,
        /** JSON request type. */
        JSON,
        /** GSA request type. */
        GSA,
        /** Suggest request type. */
        SUGGEST;
    }

    /**
     * Returns the response fields.
     *