}

    client = TestClient(app)
    return client


def test_filter_sub_model(client: TestClient):
    response = client.get("/model/modelA")
    assert response.status_code == 200, response.text
    assert response.json() == {
        "name": "modelA",
        "description": "model-a-desc",
        "foo": {"username": "test-user"},
        "tags": {"key1": "value1", "key2": "value2"},

        tags_expected = ["foo", "bar", "foo"]

    response = client.put(
        "/items/123",
        json={
            "name": "Foo",
            "description": "A very nice Item",
            "price": 35.4,
            "tax": 3.2,
            "tags": ["foo", "bar", "foo"],
        },
    )
    assert response.status_code == 200, response.text
    assert response.json() == {
        "item_id": 123,
        "item": {

        detail: str

    app = FastAPI()

    with pytest.raises(PydanticV1NotSupportedError):

        @app.get(
            "/responses", response_model=None, responses={400: {"model": ErrorModelV1}}
        )
        def endpoint():  # pragma: no cover
            return {"ok": True}


def test_raises_pydantic_v1_model_in_union() -> None:
    class ModelV1A(BaseModel):
        name: str

    app = FastAPI()

    return result
  }

  public override fun peek(): MockResponse = responseQueue.peek() ?: failFastResponse ?: super.peek()

  public open fun enqueue(response: MockResponse) {
    responseQueue.add(response)
  }

  public open fun clear() {
    responseQueue.clear()
  }

  public override fun close() {
    responseQueue.add(DEAD_LETTER)
  }

   * can return other values to test HTTP edge cases, such as unhappy socket policies or throttled
   * request bodies.
   */
  public open fun peek(): MockResponse = MockResponse()

  /**
   * Release any resources held by this dispatcher. Any requests that are currently being dispatched
   * should return immediately. Responses returned after shutdown will not be transmitted: their

                "input": 0,
                "ctx": {"gt": 0},
            },
        ],
    }


def test_openapi_schema(client: TestClient):
    response = client.get("/openapi.json")
    assert response.status_code == 200, response.text
    assert response.json() == snapshot(
        {
            "openapi": "3.1.0",
            "info": {"title": "FastAPI", "version": "0.1.0"},
            "paths": {

        response = client.get("/a")
    assert response.json() == {"msg": "Hello A"}
    assert response.headers["content-type"] == orjson_type


def test_router_a_override():
    with client:
        response = client.get("/a/override")
    assert response.content == b"Hello A"
    assert response.headers["content-type"] == text_type


def test_router_a_a():
    with client:
        response = client.get("/a/a")

    end
```

/// info | Información

Solo **un response** será enviado al cliente. Podría ser uno de los responses de error o será el response de la *path operation*.

Después de que se envíe uno de esos responses, no se podrá enviar ningún otro response.

///

/// tip | Consejo

## `GZipMiddleware` { #gzipmiddleware }

Verarbeitet GZip-Responses für alle Requests, die „gzip“ im `Accept-Encoding`-Header enthalten.

Diese Middleware verarbeitet sowohl Standard- als auch Streaming-Responses.

      null
    } else {
      responseBuilder
    }
  }

  override fun reportedContentLength(response: Response): Long =
    when {
      !response.promisesBody() -> 0L
      else -> response.headersContentLength()
    }

  override fun openResponseBodySource(response: Response): Source = stream!!.source

  override fun peekTrailers(): Headers? = stream!!.peekTrailers()

  override fun cancel() {