/**
   * Returns the number of bytes required to encode these headers using HTTP/1.1. This is also the
   * approximate size of HTTP/2 headers before they are compressed with HPACK. This value is
   * intended to be used as a metric: smaller headers are more efficient to encode and transmit.
   */
  fun byteCount(): Long {
    // Each header name has 2 bytes of overhead for ': ' and every header value has 2 bytes of

import pytest
from dirty_equals import IsDict
from fastapi.testclient import TestClient


@pytest.fixture(name="client")
def get_client():
    from docs_src.body_multiple_params.tutorial001 import app

    client = TestClient(app)
    return client


def test_post_body_q_bar_content(client: TestClient):
    response = client.put("/items/5?q=bar", json={"name": "Foo", "price": 50.5})
    assert response.status_code == 200

import pytest
from dirty_equals import IsDict
from fastapi.testclient import TestClient

from ...utils import needs_py310


@pytest.fixture(name="client")
def get_client():
    from docs_src.body_multiple_params.tutorial001_an_py310 import app

    client = TestClient(app)
    return client


@needs_py310
def test_post_body_q_bar_content(client: TestClient):

import pytest
from fastapi.testclient import TestClient

from tests.utils import needs_py39, needs_pydanticv1


@pytest.fixture(name="client")
def get_client():
    from docs_src.request_form_models.tutorial002_pv1_an_py39 import app

    client = TestClient(app)
    return client


# TODO: remove when deprecating Pydantic v1
@needs_pydanticv1
@needs_py39
def test_post_body_form(client: TestClient):

import pytest
from dirty_equals import IsDict
from fastapi.testclient import TestClient

from ...utils import needs_py310


@needs_py310
@pytest.mark.parametrize(
    "path,cookies,expected_status,expected_response",
    [
        ("/items", None, 200, {"ads_id": None}),
        ("/items", {"ads_id": "ads_track"}, 200, {"ads_id": "ads_track"}),
        (
            "/items",
            {"ads_id": "ads_track", "session": "cookiesession"},

import pytest
from fastapi.testclient import TestClient

from ...utils import needs_pydanticv2


@pytest.fixture(name="client")
def get_client():
    from docs_src.path_operation_advanced_configuration.tutorial007 import app

    client = TestClient(app)
    return client


@needs_pydanticv2
def test_post(client: TestClient):
    yaml_data = """
        name: Deadpoolio
        tags:
        - x-force
        - x-men

from fastapi import FastAPI, File, Form, UploadFile
from typing_extensions import Annotated

app = FastAPI()


@app.post("/files/")
async def create_file(
    file: Annotated[bytes, File()],
    fileb: Annotated[UploadFile, File()],
    token: Annotated[str, Form()],
):
    return {
        "file_size": len(file),
        "token": token,
        "fileb_content_type": fileb.content_type,

// `value` must point to a string of length `length` bytes.
TF_CAPI_EXPORT extern void TF_SetAttrString(TF_OperationDescription* desc,
                                            const char* attr_name,
                                            const void* value, size_t length);
// `values` and `lengths` each must have lengths `num_values`.
// `values[i]` must point to a string of length `lengths[i]` bytes.

		for _, v := range vectors {
			var buf bytes.Buffer
			var r bytes.Reader

			// Write the archive to a byte buffer.
			tw := NewWriter(&buf)
			for _, file := range v.files {
				tw.WriteHeader(file.hdr)
				tw.Write(file.body)
			}
			tw.Close()
			b.Run(v.label, func(b *testing.B) {
				b.ReportAllocs()
				// Read from the byte buffer.
				for i := 0; i < b.N; i++ {

ファイルやフォームのパラメータは`Body`や`Query`の場合と同じように作成します:

```Python hl_lines="8"
{!../../docs_src/request_forms_and_files/tutorial001.py!}
```

ファイルとフォームフィールドがフォームデータとしてアップロードされ、ファイルとフォームフィールドを受け取ります。

また、いくつかのファイルを`bytes`として、いくつかのファイルを`UploadFile`として宣言することができます。

/// warning | "注意"