app = FastAPI()

    @app.get("/")
    async def get_with_dep(value: DependedValue) -> str:  # noqa
        return f"value: {value}"

    client = TestClient(app)
    response = client.get("/")
    assert response.status_code == 200

    Note over client,operation: Response is already sent, can't change it anymore
    opt Tasks
        operation -->> tasks: Send background tasks
    end
    opt Raise other exception
        tasks -->> tasks: Handle exceptions in the background task code
    end
```

/// info

Only **one response** will be sent to the client. It might be one of the error responses or it will be the response from the *path operation*.

* [OpenAPI Responses Object](https://github.com/OAI/OpenAPI-Specification/blob/master/versions/3.1.0.md#responses-object): `Response Object`를 포함합니다.

要查看响应中究竟可以包含什么，你可以查看 OpenAPI 规范中的以下部分：

* [OpenAPI Responses 对象](https://github.com/OAI/OpenAPI-Specification/blob/master/versions/3.1.0.md#responses-object)，它包含 `Response Object`。

		response.DecryptionErr = "The generated and the decrypted data key do not match"
		resp, err := json.Marshal(response)
		if err != nil {
			writeCustomErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrInternalError), err.Error(), r.URL)
			return
		}
		writeSuccessResponseJSON(w, resp)
		return
	}

	resp, err := json.Marshal(response)
	if err != nil {

from fastapi import Depends, FastAPI, Response
from fastapi.testclient import TestClient

app = FastAPI()


def set_cookie(*, response: Response):
    response.set_cookie("cookie-name", "cookie-value")
    return {}


def set_indirect_cookie(*, dep: str = Depends(set_cookie)):
    return dep


@app.get("/directCookie")
def get_direct_cookie(dep: str = Depends(set_cookie)):
    return {"dep": dep}

@app.get("/items/")
async def read_items(commons: Annotated[CommonQueryParams, Depends(CommonQueryParams)]):
    response = {}
    if commons.q:
        response.update({"q": commons.q})
    items = fake_items_db[commons.skip : commons.skip + commons.limit]
    response.update({"items": items})

import org.codelibs.fess.dict.synonym.SynonymFile;
import org.codelibs.fess.dict.synonym.SynonymItem;
import org.lastaflute.web.Execute;
import org.lastaflute.web.response.JsonResponse;
import org.lastaflute.web.response.StreamResponse;

import jakarta.annotation.Resource;

/**
 * API action for admin Synonym dictionary management.

client = TestClient(app)


@workdir_lock
def test():
    log = Path("log.txt")
    if log.is_file():
        os.remove(log)  # pragma: no cover
    response = client.post("/send-notification/******@****.***")
    assert response.status_code == 200, response.text
    assert response.json() == {"message": "Notification sent in the background"}
    with open("./log.txt") as f:

import org.codelibs.fess.util.RenderDataUtil;
import org.dbflute.optional.OptionalThing;
import org.lastaflute.web.Execute;
import org.lastaflute.web.response.ActionResponse;
import org.lastaflute.web.response.HtmlResponse;
import org.lastaflute.web.response.StreamResponse;
import org.lastaflute.web.ruts.multipart.MultipartFormFile;
import org.lastaflute.web.ruts.process.ActionRuntime;

/**