{* ../../docs_src/first_steps/tutorial001_py39.py hl[6] *}

Das `@app.get("/")` sagt **FastAPI**, dass die Funktion direkt darunter für die Bearbeitung von <abbr title="Request – Anfrage: Daten, die der Client zum Server sendet">Requests</abbr> zuständig ist, die an:

* den Pfad `/`
* unter der Verwendung der <abbr title="eine HTTP-GET-Methode"><code>get</code>-Operation</abbr> gehen

/// info | `@decorator` Info

        }
    } // -- InputLocation clone()

    /**
     * Get the one-based column number. The value will be
     * non-positive if unknown.
     *
     * @return int
     */
    public int getColumnNumber() {
        return this.columnNumber;
    } // -- int getColumnNumber()

    /**
     * Get the one-based line number. The value will be
     * non-positive if unknown.
     *

		if opaURL == "" {
			return args, nil
		}
	}
	authToken := env.Get(EnvIamOpaAuthToken, "")
	if authToken == "" {
		authToken = env.Get(EnvPolicyOpaAuthToken, kv.Get(AuthToken))
	}

	u, err := xnet.ParseHTTPURL(opaURL)
	if err != nil {
		return args, err
	}
	args = Args{
		URL:         u,
		AuthToken:   authToken,
		Transport:   transport,

	// The returned value can no longer be modified once returned.
	// Should be set before calling Get().
	updateFn func(ctx context.Context) (T, error)

	// ttl for a cached value.
	ttl time.Duration

	opts Opts

	// Once can be used to initialize values for lazy initialization.
	// Should be set before calling Get().
	Once sync.Once

	// Managed values.
	val          atomic.Pointer[T]
	lastUpdateMs atomic.Int64

    response = client.get("/items/", headers=[("save-data", "true")])
    assert response.status_code == 200
    assert response.json() == {
        "host": "testserver",
        "save_data": True,
        "if_modified_since": None,
        "traceparent": None,
        "x_tag": [],
    }


def test_header_param_model_invalid(client: TestClient):
    response = client.get("/items/")

app = FastAPI()


@app.get("/item", response_model=Item)
async def read_item():
    return {
        "id": uuid.uuid4(),
        "name": "Island In The Moon",
        "price": 12.99,
        "description": "A place to be be playin' and havin' fun",
        "tags": ["breater"],
    }


client = TestClient(app)


def test_annotations():
    response = client.get("/item")

from docs_src.extending_openapi.tutorial001_py39 import app

client = TestClient(app)


def test():
    response = client.get("/items/")
    assert response.status_code == 200, response.text
    assert response.json() == [{"name": "Foo"}]


def test_openapi_schema():
    response = client.get("/openapi.json")
    assert response.status_code == 200, response.text
    assert response.json() == {
        "openapi": "3.1.0",

        model_config = ConfigDict(validate_by_alias=True, serialize_by_alias=True)

    @app.get("/", response_model=ModelWithRef)
    async def read_root() -> Any:
        return {"$ref": "some-ref"}

    client = TestClient(app)
    return client


def test_get(client: TestClient):
    response = client.get("/")
    assert response.json() == {"$ref": "some-ref"}


def test_openapi_schema(client: TestClient):

    return client


def test_get_custom_response(client: TestClient):
    response = client.get("/items/")
    assert response.status_code == 200, response.text
    assert response.json() == [{"item_id": "Foo"}]


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

def test_swagger_ui_html(client: TestClient):
    response = client.get("/docs")
    assert response.status_code == 200, response.text
    assert "/static/swagger-ui-bundle.js" in response.text
    assert "/static/swagger-ui.css" in response.text


def test_swagger_ui_oauth2_redirect_html(client: TestClient):
    response = client.get("/docs/oauth2-redirect")
    assert response.status_code == 200, response.text