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_fields.tutorial001_an_py310 import app

    client = TestClient(app)
    return client


@needs_py310
def test_items_5(client: TestClient):
    response = client.put("/items/5", json={"item": {"name": "Foo", "price": 3.0}})

Isso permite que você use `pytest` diretamente sem complicações.

///

/// note | "Detalhes técnicos"

Você também pode usar `from starlette.testclient import TestClient`.

**FastAPI** fornece o mesmo `starlette.testclient` que `fastapi.testclient` apenas como uma conveniência para você, o desenvolvedor. Mas ele vem diretamente da Starlette.

///

/// tip | "Dica"

from typing import Optional

from fastapi import Depends, FastAPI, Security
from fastapi.security import APIKeyCookie
from fastapi.testclient import TestClient
from pydantic import BaseModel

app = FastAPI()

api_key = APIKeyCookie(name="key", auto_error=False)


class User(BaseModel):
    username: str


def get_current_user(oauth_header: Optional[str] = Security(api_key)):
    if oauth_header is None:
        return None

from dirty_equals import IsDict, IsOneOf
from fastapi.testclient import TestClient

from ...utils import needs_py310


@pytest.fixture(name="client")
def get_client():
    from docs_src.security.tutorial005_py310 import app

    client = TestClient(app)
    return client


def get_access_token(
    *, username="johndoe", password="secret", scope=None, client: TestClient
):

from dirty_equals import IsDict, IsOneOf
from fastapi.testclient import TestClient

from ...utils import needs_py39


@pytest.fixture(name="client")
def get_client():
    from docs_src.security.tutorial005_py39 import app

    client = TestClient(app)
    return client


def get_access_token(
    *, username="johndoe", password="secret", scope=None, client: TestClient
):

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


@pytest.fixture(name="client")
def get_client():
    from docs_src.query_params.tutorial006 import app

    c = TestClient(app)
    return c


def test_foo_needy_very(client: TestClient):
    response = client.get("/items/foo?needy=very")
    assert response.status_code == 200
    assert response.json() == {
        "item_id": "foo",

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


@pytest.fixture(name="client")
def get_client():
    from docs_src.bigger_applications.app_an.main import app

    client = TestClient(app)
    return client


def test_users_token_jessica(client: TestClient):
    response = client.get("/users?token=jessica")
    assert response.status_code == 200

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

from ...utils import needs_py39


@pytest.fixture(name="client")
def get_client():
    from docs_src.security.tutorial003_an_py39 import app

    client = TestClient(app)
    return client


@needs_py39
def test_login(client: TestClient):
    response = client.post("/token", data={"username": "johndoe", "password": "secret"})

import pytest
from fastapi.testclient import TestClient

from tests.utils import needs_pydanticv2


@pytest.fixture(name="client")
def get_client():
    from docs_src.request_form_models.tutorial002_an import app

    client = TestClient(app)
    return client


@needs_pydanticv2
def test_post_body_form(client: TestClient):
    response = client.post("/login/", data={"username": "Foo", "password": "secret"})

import pytest
from fastapi.testclient import TestClient

from tests.utils import needs_pydanticv1


@pytest.fixture(name="client")
def get_client():
    from docs_src.request_form_models.tutorial002_pv1 import app

    client = TestClient(app)
    return client


@needs_pydanticv1
def test_post_body_form(client: TestClient):
    response = client.post("/login/", data={"username": "Foo", "password": "secret"})