}

    @Test
    void testReadParameterWordsWireFormat() {
        byte[] buffer = new byte[1024];
        int result = response.readParameterWordsWireFormat(buffer, 0);

        // The method should read parameter words
        assertTrue(result >= 0, "readParameterWordsWireFormat should return non-negative value");
    }

    @Test

    content = body.data.decode("utf-8")
    return {"description": body.description, "content": content}


@app.get("/data")
def get_data() -> DataOutput:
    data = "hello".encode("utf-8")
    return DataOutput(description="A plumbus", data=data)


@app.post("/data-in-out")
def post_data_in_out(body: DataInputOutput) -> DataInputOutput:

from fastapi.testclient import TestClient

app = FastAPI()


@app.post("/files")
async def upload_files(files: list[bytes] | None = File(None)):
    if files is None:
        return {"files_count": 0}
    return {"files_count": len(files), "sizes": [len(f) for f in files]}


def test_optional_bytes_list():
    client = TestClient(app)
    response = client.post(
        "/files",

from starlette.responses import JSONResponse


def http_exception_handler(request, exception):
    return JSONResponse({"exception": "http-exception"})


def request_validation_exception_handler(request, exception):
    return JSONResponse({"exception": "request-validation"})


def server_error_exception_handler(request, exception):
    return JSONResponse(status_code=500, content={"exception": "server-error"})


app = FastAPI(

        execute ->> code: return the result
    end

    rect rgba(0, 255, 255, .1)
        code ->> function: say_hi(name="Camila")
        function ->> code: return stored result
    end

    rect rgba(0, 255, 0, .1)
        code ->> function: say_hi(name="Rick")
        function ->> execute: execute function code
        execute ->> code: return the result
    end

@app.get("/query")
async def query_model_with_extra(data: Model = Query()):
    return data


@app.get("/header")
async def header_model_with_extra(data: Model = Header()):
    return data


@app.get("/cookie")
async def cookies_model_with_extra(data: Model = Cookie()):
    return data


def test_query_pass_extra_list():
    client = TestClient(app)
    resp = client.get(

        fun checkServerTrusted(
          chain: Array<out X509Certificate>,
          authType: String,
          hostname: String,
        ): List<X509Certificate> {
          withHostCalled = true
          return chain.toList()
        }

        override fun getAcceptedIssuers(): Array<X509Certificate> = arrayOf()
      }

    val sslContext =
      Platform.get().newSSLContext().apply {

    public void before() throws Exception {
        suggester = Suggester.builder().build(runner.client(), getTestId());
        suggester.createIndexIfNothing();
    }

    private String getTestId() {
        return ("suggest-indexer-test-" + testName.getMethodName()).toLowerCase(Locale.ROOT);
    }

    @Test
    public void test_indexSingleItem() throws Exception {
        String[][] readings = new String[1][];

{* ../../docs_src/first_steps/tutorial003_py310.py hl[7] *}

/// note | 備考

違いが分からない場合は、[Async: *「急いでいますか？」*](../async.md#in-a-hurry)を確認してください。

///

### Step 5: コンテンツの返信 { #step-5-return-the-content }

{* ../../docs_src/first_steps/tutorial001_py310.py hl[8] *}

`dict`、`list`、`str`、`int`などの単一の値を返すことができます。

Pydanticモデルを返すこともできます（後で詳しく説明します）。

from fastapi.testclient import TestClient

app = FastAPI()


@app.get("/query")
def read_query(q: str | None):
    return q


@app.get("/explicit-query")
def read_explicit_query(q: str | None = Query()):
    return q


@app.post("/body-embed")
def send_body_embed(b: str | None = Body(embed=True)):
    return b


client = TestClient(app)


def test_required_nonable_query_invalid():