//// tab | Python 3.9+

```Python
{!> ../../docs_src/security/tutorial001_an_py39.py!}
```

////

//// tab | Python 3.8+

```Python
{!> ../../docs_src/security/tutorial001_an.py!}
```

////

//// tab | Python 3.8+ nicht annotiert

/// tip | "Tipp"

Bevorzugen Sie die `Annotated`-Version, falls möglich.

///

```Python

from fastapi.testclient import TestClient

from docs_src.security.tutorial001_an import app

client = TestClient(app)


def test_no_token():
    response = client.get("/items")
    assert response.status_code == 401, response.text
    assert response.json() == {"detail": "Not authenticated"}
    assert response.headers["WWW-Authenticate"] == "Bearer"


def test_token():

from docs_src.dependency_testing.tutorial001_an import (
    app,
    client,
    test_override_in_items,
    test_override_in_items_with_params,
    test_override_in_items_with_q,
)


def test_override_in_items_run():
    test_override_in_items()


def test_override_in_items_with_q_run():
    test_override_in_items_with_q()


def test_override_in_items_with_params_run():
    test_override_in_items_with_params()

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

from docs_src.header_params.tutorial001_an import app

client = TestClient(app)


@pytest.mark.parametrize(
    "path,headers,expected_status,expected_response",
    [
        ("/items", None, 200, {"User-Agent": "testclient"}),
        ("/items", {"X-Header": "notvalid"}, 200, {"User-Agent": "testclient"}),

//// tab | Python 3.9+

```Python hl_lines="8-11"
{!> ../../docs_src/dependencies/tutorial001_an_py39.py!}
```

////

//// tab | Python 3.8+

```Python hl_lines="9-12"
{!> ../../docs_src/dependencies/tutorial001_an.py!}
```

////

//// tab | Python 3.10+ non-Annotated

/// tip | "Подсказка"

Настоятельно рекомендуем использовать `Annotated` версию насколько это возможно.

///

```Python hl_lines="6-7"

{!> ../../docs_src/security/tutorial004_an_py39.py!}
```

////

//// tab | Python 3.8+

```Python hl_lines="8  50  57-58  61-62  71-77"
{!> ../../docs_src/security/tutorial004_an.py!}
```

////

//// tab | Python 3.10+ non-Annotated

/// tip

Prefer to use the `Annotated` version if possible.

///

```Python hl_lines="7  48  55-56  59-60  69-75"

from dirty_equals import IsDict
from fastapi.testclient import TestClient

from docs_src.request_files.tutorial001_an import app

client = TestClient(app)


def test_post_form_no_body():
    response = client.post("/files/")
    assert response.status_code == 422, response.text
    assert response.json() == IsDict(
        {
            "detail": [
                {
                    "type": "missing",

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


@pytest.fixture(name="client")
def get_client():
    from docs_src.request_forms.tutorial001_an import app

    client = TestClient(app)
    return client


def test_post_body_form(client: TestClient):
    response = client.post("/login/", data={"username": "Foo", "password": "secret"})
    assert response.status_code == 200

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

from docs_src.cookie_params.tutorial001_an import app


@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",

from base64 import b64encode

import pytest
from fastapi.testclient import TestClient

from ...utils import needs_py39


@pytest.fixture(name="client")
def get_client():
    from docs_src.security.tutorial006_an import app

    client = TestClient(app)
    return client


@needs_py39
def test_security_http_basic(client: TestClient):
    response = client.get("/users/me", auth=("john", "secret"))