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    };

    private static final String[] VERSIONS_NUMBER = {

    server.enqueue(MockResponse(body = "abc"))
    server.enqueue(MockResponse(body = "def"))

    val request = Request(server.url("/"))

    val call = client.newCall(request)
    val response1 = call.execute()

    val cloned = call.clone()
    val response2 = cloned.execute()

    assertThat("abc").isEqualTo(response1.body.string())
    assertThat("def").isEqualTo(response2.body.string())
  }

  @Test
  @Flaky

```Python hl_lines="2  12  15-18"
{!../../docs_src/app_testing/tutorial001.py!}
```

/// tip | "Tipp"

Beachten Sie, dass die Testfunktionen normal `def` und nicht `async def` sind.

Und die Anrufe an den Client sind ebenfalls normale Anrufe, die nicht `await` verwenden.

Dadurch können Sie `pytest` ohne Komplikationen direkt nutzen.

///

/// note | "Technische Details"

```Python hl_lines="2  12  15-18"
{!../../docs_src/app_testing/tutorial001.py!}
```

/// tip | "Подсказка"

Обратите внимание, что тестирующая функция является обычной `def`, а не асинхронной `async def`.

И вызов клиента также осуществляется без `await`.

Это позволяет вам использовать `pytest` без лишних усложнений.

///

/// note | "Технические детали"

    }


    @Override
    public int getHeaderFieldInt ( String header, int def ) {
        handshake();
        return this.connection.getHeaderFieldInt(header, def);
    }


    @Override
    public long getHeaderFieldDate ( String header, long def ) {
        handshake();
        return this.connection.getHeaderFieldDate(header, def);
    }


    @Override

                }
                XIncludeAwareXmlProvider provider = new XIncludeAwareXmlProvider()
                def doc = new gradlebuild.docs.dsl.docbook.model.ClassDoc(className, provider.parse(classFile), document, classMetaData, extensionMetaData)
                docBuilder.build(doc)
                return doc

{!../../docs_src/first_steps/tutorial001.py!}
```

이것은 파이썬 함수입니다.

URL "`/`"에 대한 `GET` 작동을 사용하는 요청을 받을 때마다 **FastAPI**에 의해 호출됩니다.

위의 예시에서 이 함수는 `async`(비동기) 함수입니다.

---

`async def`을 이용하는 대신 일반 함수로 정의할 수 있습니다:

```Python hl_lines="7"
{!../../docs_src/first_steps/tutorial003.py!}
```

/// note | "참고"

차이점을 모르겠다면 [Async: *"바쁘신 경우"*](../async.md#_1){.internal-link target=_blank}을 확인하세요.

///

### 关于 `def` 对比 `async def`

*在这里，我们在路径操作函数*和依赖项中都使用着 SQLAlchemy 模型，它将与外部数据库进行通信。

这会需要一些“等待时间”。

但是由于 SQLAlchemy 不具有`await`直接使用的兼容性，因此类似于：

```Python
user = await db.query(User).first()
```

...相反，我们可以使用：

```Python
user = db.query(User).first()
```

然后我们应该声明*路径操作函数*和不带 的依赖关系`async def`，只需使用普通的`def`，如下：

```Python hl_lines="2"

  return nullptr;
}

void TF_GraphToGraphDef(TF_Graph* graph, TF_Buffer* output_graph_def,
                        TF_Status* status) {
  GraphDef def;
  {
    mutex_lock l(graph->mu);
    graph->graph.ToGraphDef(&def);
  }
  status->status = MessageToBuffer(def, output_graph_def);
}

void TF_GraphGetOpDef(TF_Graph* graph, const char* op_name,
                      TF_Buffer* output_op_def, TF_Status* status) {