import importlib

import pytest
from fastapi.testclient import TestClient

from ...utils import needs_py310


@pytest.fixture(
    name="client",
    params=[
        pytest.param("tutorial002_py39"),
        pytest.param("tutorial002_py310", marks=needs_py310),
    ],
)
def get_client(request: pytest.FixtureRequest):
    mod = importlib.import_module(f"docs_src.query_params.{request.param}")

    client = TestClient(mod.app)

import importlib

import pytest
from fastapi.testclient import TestClient


@pytest.fixture(
    name="client",
    params=[
        pytest.param("tutorial012_py39"),
        pytest.param("tutorial012_an_py39"),
    ],
)
def get_client(request: pytest.FixtureRequest):
    mod = importlib.import_module(
        f"docs_src.query_params_str_validations.{request.param}"
    )

    client = TestClient(mod.app)
    return client

![ReDoc](https://fastapi.tiangolo.com/img/index/index-02-redoc-simple.png)

## Construir una Imagen de Docker con un FastAPI de Un Solo Archivo { #build-a-docker-image-with-a-single-file-fastapi }

Si tu FastAPI es un solo archivo, por ejemplo, `main.py` sin un directorio `./app`, tu estructura de archivos podría verse así:

```
.

from typing import Annotated

import pytest
from dirty_equals import IsOneOf
from fastapi import FastAPI, Query
from fastapi.testclient import TestClient
from pydantic import BaseModel, Field

app = FastAPI()

# =====================================================================================
# Without aliases


@app.get("/required-list-str")
async def read_required_list_str(p: Annotated[list[str], Query()]):
    return {"p": p}

# 学習

ここでは、**FastAPI** を学習するための入門セクションとチュートリアルを紹介します。

from fastapi.responses import PlainTextResponse
from fastapi.testclient import TestClient

from docs_src.advanced_middleware.tutorial003_py39 import app


@app.get("/large")
async def large():
    return PlainTextResponse("x" * 4000, status_code=200)


client = TestClient(app)


def test_middleware():
    response = client.get("/large", headers={"accept-encoding": "gzip"})
    assert response.status_code == 200, response.text

from fastapi import FastAPI
from fastapi.middleware.httpsredirect import HTTPSRedirectMiddleware

app = FastAPI()

app.add_middleware(HTTPSRedirectMiddleware)


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

    Source (English):

        «««
        # FastAPI in Containers - Docker { #fastapi-in-containers-docker }
        »»»

    Translate with (German) – notice the dash:

        «««
        # FastAPI in Containern – Docker { #fastapi-in-containers-docker }
        »»»

    Do NOT translate with (German) – notice the hyphen:

        «««
        # FastAPI in Containern - Docker { #fastapi-in-containers-docker }

Ви також можете використовувати `from starlette.testclient import TestClient`.

**FastAPI** надає той самий `starlette.testclient` під назвою `fastapi.testclient` для зручності розробників, але він безпосередньо походить із Starlette.

///

/// tip | Порада

Se você tem uma aplicação FastAPI antiga, pode estar usando o Pydantic versão 1.

O FastAPI tem suporte ao Pydantic v1 ou v2 desde a versão 0.100.0.

Se você tiver o Pydantic v2 instalado, ele será utilizado. Se, em vez disso, tiver o Pydantic v1, será ele que será utilizado.