<span style="color: green;">INFO</span>:     Waiting for application startup.
<span style="color: green;">INFO</span>:     Application startup complete.
```

</div>

/// note | "Технические детали"

Команда `uvicorn main:app` обращается к:

* `main`: файл `main.py` (модуль Python).
* `app`: объект, созданный внутри файла `main.py` в строке `app = FastAPI()`.

    /**
     * Locates the pom in the given directory.
     *
     * @param dir the directory to locate the pom for, never {@code null}
     * @return a {@code Source} pointing to the located pom or an empty {@code Optional} if none was found by this parser
     */
    @Nonnull
    Optional<Source> locate(@Nonnull Path dir);

    /**
     * Parse the model obtained previously by a previous call to {@link #locate(Path)}.
     *

* Ele então pega a **resposta** gerada pelo aplicativo (por alguma *operação de rota*).
* Ele pode fazer algo com essa **resposta** ou executar qualquer código necessário.
* Então ele retorna a **resposta**.

/// note | "Detalhes técnicos"

Se você tiver dependências com `yield`, o código de saída será executado *depois* do middleware.

        {
            "detail": [
                {
                    "type": "missing",
                    "loc": ["body", "files"],
                    "msg": "Field required",
                    "input": None,
                }
            ]
        }
    ) | IsDict(
        # TODO: remove when deprecating Pydantic v1
        {
            "detail": [
                {
                    "loc": ["body", "files"],

    assert response.status_code == 200, response.text
    assert response.json() == {
        "name": "Foo",
        "price": 42,
        "description": None,
        "tax": None,
        "tags": [],
    }


@needs_py310
@needs_pydanticv2
def test_openapi_schema(client: TestClient):
    response = client.get("/openapi.json")

You can use the same `TestClient` to test WebSockets.

For this, you use the `TestClient` in a `with` statement, connecting to the WebSocket:

```Python hl_lines="27-31"
{!../../docs_src/app_testing/tutorial002.py!}
```

/// note

For more details, check Starlette's documentation for <a href="https://www.starlette.io/testclient/#testing-websocket-sessions" class="external-link" target="_blank">testing WebSockets</a>.

   *   <li>If {@code equivalent(x, y)} and {@code equivalent(y, z)} are both true, then {@code
   *       equivalent(x, z)} is also true (<i>transitive</i> property)
   * </ul>
   *
   * <p>Note that all calls to {@code equivalent(x, y)} are expected to return the same result as
   * long as neither {@code x} nor {@code y} is modified.
   */
  public final boolean equivalent(@CheckForNull T a, @CheckForNull T b) {

     * point at the POM rather than its base directory if the path ends with ".xml" (ignoring case)</li>
     * <li>The name of the child's base directory matches the artifact id of the child.</li>
     * </ul>
     * Note that for the sake of independence from the user
     * environment, the filesystem is intentionally not used for the calculation.</p>
     *
     * @param child The child model, must not be <code>null</code>.

//	}
	NOP	F2

//	LNOP ',' rreg // asm doesn't support the leading comma.
//	{
//		outcode(int($1), &nullgen, 0, &$3);
//	}
	NOP	R2

//	LNOP ',' freg // asm doesn't support the leading comma.
//	{
//		outcode(int($1), &nullgen, 0, &$3);
//	}
	NOP	F2

//	LNOP imm
//	{
//		outcode(int($1), &$2, 0, &nullgen);
//	}
	NOP	$4

//
// special
//

* OpenAPIスキーマ（およびユーザーインターフェース）に以下のように文書化します:

<img src="https://fastapi.tiangolo.com/img/tutorial/response-status-code/image01.png">

/// note | "備考"

いくつかのレスポンスコード（次のセクションを参照）は、レスポンスにボディがないことを示しています。

FastAPIはこれを知っていて、レスポンスボディがないというOpenAPIドキュメントを生成します。

///

## HTTPステータスコードについて

/// note | "備考"

すでにHTTPステータスコードが何であるかを知っている場合は、次のセクションにスキップしてください。

///

HTTPでは、レスポンスの一部として３桁の数字のステータスコードを送信します。