"info": {
        "title": "FastAPI",
        "version": "0.1.0"
    },
    "paths": {
        "/items/": {
            "get": {
                "responses": {
                    "200": {
                        "description": "Successful Response",
                        "content": {
                            "application/json": {



...
```

#### Для чего нужен OpenAPI

def test_override_in_items():
    response = client.get("/items/")
    assert response.status_code == 200
    assert response.json() == {
        "message": "Hello Items!",
        "params": {"q": None, "skip": 5, "limit": 10},
    }


def test_override_in_items_with_q():
    response = client.get("/items/?q=foo")
    assert response.status_code == 200
    assert response.json() == {
        "message": "Hello Items!",

def test_middleware():
    client = TestClient(app, base_url="https://testserver")
    response = client.get("/")
    assert response.status_code == 200, response.text

    client = TestClient(app)
    response = client.get("/", follow_redirects=False)
    assert response.status_code == 307, response.text

  /** Close connection after writing half of the response body (if present). */
  object DisconnectDuringResponseBody : SocketPolicy

  /**
   * Process the response without even attempting to reading the request body. For HTTP/2 this will
   * send [http2ErrorCode] after the response body or trailers. For HTTP/1 this will close the
   * socket after the response body or trailers.
   */
  class DoNotReadRequestBody(

client = TestClient(app)


def test_normal():
    response = client.get("/user")
    assert response.json() == {
        "user": "john",
        "scopes": ["foo", "bar"],
        "data": [1, 2, 3],
    }


def test_override_data():
    app.dependency_overrides[get_data] = get_data_override
    response = client.get("/user")
    assert response.json() == {
        "user": "john",
        "scopes": ["foo", "bar"],

  }

  override fun reportedContentLength(response: Response): Long {
    return when {
      !response.promisesBody() -> 0L
      response.isChunked -> -1L
      else -> response.headersContentLength()
    }
  }

  override fun openResponseBodySource(response: Response): Source {
    return when {
      !response.promisesBody() -> newFixedLengthSource(0)
      response.isChunked -> newChunkedSource(response.request.url)

    },
}


def test_custom_response_schema():
    response = client.get("/openapi.json")
    assert response.status_code == 200, response.text
    assert response.json()["components"]["schemas"]["Item"] == item_schema


def test_response():
    # For coverage
    response = client.get("/foo")
    assert response.status_code == 200, response.text

                NameServicePacket response = this.responseTable.get(new Integer(nameTrnId));
                if ( response == null || response.received ) {
                    continue;
                }
                synchronized ( response ) {
                    response.readWireFormat(this.rcv_buf, 0);
                    response.received = true;

                    if ( log.isTraceEnabled() ) {

    Request request = new Request.Builder()
        .url("https://publicobject.com/helloworld.txt")
        .build();

    try (Response response = client.newCall(request).execute()) {
      if (!response.isSuccessful()) throw new IOException("Unexpected code " + response);

      System.out.println(response.body().string());
    }
  }

  public static void main(String... args) throws Exception {
    new CheckHandshake().run();
  }

@needs_pydanticv1
def test_post_body_example(client: TestClient):
    response = client.put(
        "/items/5",
        json={
            "name": "Foo",
            "description": "A very nice Item",
            "price": 35.4,
            "tax": 3.2,
        },
    )
    assert response.status_code == 200


@needs_pydanticv1
def test_openapi_schema(client: TestClient):
    response = client.get("/openapi.json")