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

/// note | "Nota"

Para mais detalhes, confira a documentação do Starlette para <a href="https://www.starlette.io/testclient/#testing-websocket-sessions" class="external-link" target="_blank">testar WebSockets</a>.

👉, 👆 ⚙️ `TestClient` `with` 📄, 🔗*️⃣:

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

/// note

🌅 ℹ, ✅ 💃 🧾 <a href="https://www.starlette.io/testclient/#testing-websocket-sessions" class="external-link" target="_blank">🔬 *️⃣ </a>.

为此，要在 `with` 语句中使用 `TestClient` 连接 WebSocket。

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

/// note | "笔记"

更多细节详见 <a href="https://www.starlette.io/testclient/#testing-websocket-sessions" class="external-link" target="_blank">Starlette 官档 - 测试 WebSockets</a>。

```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>.

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

/// note | "Hinweis"

Weitere Informationen finden Sie in der Starlette-Dokumentation zum <a href="https://www.starlette.io/testclient/#testing-websocket-sessions" class="external-link" target="_blank">Testen von WebSockets</a>.

/**
 * A simple {@link Supplier} of {@link SessionBuilder} instances, that on each call supplies newly
 * constructed instance. To create session out of builder, use {@link SessionBuilder#build()}. For proper closing
 * of sessions, use {@link CloseableSession#close()} method on built instance(s).
 * <p>
 * Extend this class and override methods to customize, if needed.
 *
 * @since 4.0.0

    const Graph& graph = session->graph->graph;

    const string& mutation_warning = session->graph->sessions[session];
    if (!mutation_warning.empty()) {
      // TODO(b/74949947): turn this back into an error status
      LOG(WARNING) << mutation_warning;
      session->graph->sessions[session].clear();
    }

    const auto num_nodes = graph.num_node_ids();

	diskAssumeUnknownSize = 1 << 30

	// diskMinInodes is the minimum number of inodes we want free on a disk to perform writes.
	diskMinInodes = 1000

	// tlsClientSessionCacheSize is the cache size for client sessions.
	tlsClientSessionCacheSize = 100
)

func init() {
	// Injected to prevent circular dependency.
	pubsub.GetByteBuffer = grid.GetByteBuffer
}

type poolDisksLayout struct {
	cmdline string

                duplicateHostHelper.init();
            } catch (final Exception e) {
                logger.warn("Could not initialize duplicateHostHelper.", e);
            }

            // delete expired sessions
            crawlingInfoService.deleteSessionIdsBefore(options.sessionId, options.name, systemHelper.getCurrentTimeAsLong());

            final List<String> webConfigIdList = options.getWebConfigIdList();

* Багато додаткових функцій (завдяки Starlette) як-от:
    * **WebSockets**
    * надзвичайно прості тести на основі HTTPX та `pytest`
    * **CORS**
    * **Cookie Sessions**
    * ...та більше.

## Продуктивність