## HTTPX { #httpx }

Même si votre application **FastAPI** utilise des fonctions `def` normales au lieu de `async def`, c'est toujours une application `async` en interne.

    return data


def get_graphql_sponsor_edges(
    *, settings: Settings, after: str | None = None
) -> list[SponsorshipAsMaintainerEdge]:
    data = get_graphql_response(settings=settings, query=sponsors_query, after=after)
    graphql_response = SponsorsResponse.model_validate(data)
    return graphql_response.data.user.sponsorshipsAsMaintainer.edges


def get_individual_sponsors(
    settings: Settings,

)

app = FastAPI()


async def set_up_request_state_dependency():
    request_state = {"user": "deadpond"}
    contextvar_token = legacy_request_state_context_var.set(request_state)
    yield request_state
    legacy_request_state_context_var.reset(contextvar_token)


@app.middleware("http")
async def custom_middleware(

class RateLimiter:
    def __init__(self) -> None:
        self.last_query_cost: int = 1
        self.remaining_points: int = 5000
        self.reset_at: datetime = datetime.fromtimestamp(0, timezone.utc)
        self.last_request_start_time: datetime = datetime.fromtimestamp(0, timezone.utc)
        self.speed_multiplier: float = 1.0

    def __enter__(self) -> "RateLimiter":

            "title": "Description",
            "type": ["string", "null"],
        },
    },
}


def test_custom_response_schema():
    response = client.get("/openapi.json")
    assert response.status_code == 200, response.text
    assert response.json()["components"]["schemas"]["Item"] == item_schema


def test_response():
    # For coverage
    response = client.get("/foo")

        },
        {"url": "https://prod.example.com"},
    ]
)


@app.get("/foo")
def foo():
    return {"message": "Hello World"}


client = TestClient(app)


def test_app():
    response = client.get("/foo")
    assert response.status_code == 200, response.text


def test_openapi_schema():
    response = client.get("/openapi.json")
    assert response.status_code == 200, response.text

from fastapi import FastAPI

app = FastAPI()


@app.get("/items/", tags=["items"])
async def read_items():
    return [{"name": "Foo", "price": 42}]


@app.get("/users/", tags=["users"])
async def read_users():
    return [{"username": "johndoe"}]


@app.get("/elements/", tags=["items"], deprecated=True)
async def read_elements():

from fastapi import FastAPI
from fastapi.testclient import TestClient

app = FastAPI()


@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

import anyio
from fastapi import FastAPI
from fastapi.responses import StreamingResponse

app = FastAPI()


async def fake_video_streamer():
    for i in range(10):
        yield b"some fake video bytes"
        await anyio.sleep(0)


@app.get("/")
async def main():

from fastapi import FastAPI
from fastapi.responses import StreamingResponse

some_file_path = "large-video-file.mp4"
app = FastAPI()


@app.get("/")
def main():
    def iterfile():  # (1)
        with open(some_file_path, mode="rb") as file_like:  # (2)
            yield from file_like  # (3)