response = client.get(path)
    assert response.status_code == 200
    assert response.json() == {"p": None}


@pytest.mark.parametrize(
    "path",
    ["/optional-str", "/model-optional-str"],
)
def test_optional_str(path: str):
    client = TestClient(app)
    client.cookies.set("p", "hello")
    response = client.get(path)
    assert response.status_code == 200
    assert response.json() == {"p": "hello"}

    assert response.status_code == 200, response.text
    assert response.json() == {"p": None}


@pytest.mark.parametrize(
    "path",
    ["/optional-list-str", "/model-optional-list-str"],
)
def test_optional_list_str(path: str):
    client = TestClient(app)
    response = client.get(path, headers=[("p", "hello"), ("p", "world")])
    assert response.status_code == 200

    response = client.get("/docs")
    assert response.status_code == 404, response.text


def test_swagger_ui_custom_url():
    response = client.get("/documentation")
    assert response.status_code == 200, response.text
    assert "<title>FastAPI - Swagger UI</title>" in response.text


def test_redoc_ui_default_url():
    response = client.get("/redoc")

@pytest.mark.parametrize(
    "path",
    ["/required-list-str", "/model-required-list-str"],
)
def test_required_list_str_missing(path: str):
    client = TestClient(app)
    response = client.get(path)
    assert response.status_code == 422
    assert response.json() == {
        "detail": [
            {
                "type": "missing",
                "loc": ["query", "p"],
                "msg": "Field required",

    app.include_router(router)

    client = TestClient(app)

    response = client.get("/hello/", follow_redirects=False)
    assert response.status_code == 200

    response = client.get("/hello", follow_redirects=False)
    assert response.status_code == 307


def test_redirect_slashes_disabled():
    app = FastAPI(redirect_slashes=False)
    router = APIRouter()

    @router.get("/hello/")

    response = client.get("/users/me", auth=("john", "secret"))
    assert response.status_code == 200, response.text
    assert response.json() == {"username": "john", "password": "secret"}


def test_security_http_basic_no_credentials():
    response = client.get("/users/me")
    assert response.json() == {"detail": "Not authenticated"}
    assert response.status_code == 401, response.text

    response = client.get("/simple_include")

    assert response.status_code == 200, response.text

    assert response.json() == {
        "baz": "simple_include model2 baz",
        "ref": {"foo": "simple_include model foo"},
    }


def test_nested_include_simple_dict():
    response = client.get("/simple_include_dict")

    assert response.status_code == 200, response.text

    assert response.json() == {

    response = client.get(path)
    assert response.status_code == 200, response.text
    assert response.json() == expected_response


def test_read_items_non_int_item_id(client: TestClient):
    response = client.get("/items/invalid_id?q=somequery")
    assert response.status_code == 422, response.text
    assert response.json() == {
        "detail": [
            {

@app.get("/items/{item_id}", response_model=Item)
async def read_main(item_id: str, x_token: Annotated[str, Header()]):
    if x_token != fake_secret_token:
        raise HTTPException(status_code=400, detail="Invalid X-Token header")
    if item_id not in fake_db:
        raise HTTPException(status_code=404, detail="Item not found")
    return fake_db[item_id]


@app.post("/items/", response_model=Item)

    client_no = get_app_client(separate_input_output_schemas=False)
    response = client.post("/items/", json={"name": "Plumbus"})
    response2 = client_no.post("/items/", json={"name": "Plumbus"})
    assert response.status_code == response2.status_code == 200, response.text
    assert (
        response.json()
        == response2.json()
        == {"name": "Plumbus", "description": None, "sub": None}
    )


def test_create_item_with_sub():