Class TestBackend

packages/computer/src/backends/test.ts:26–52

}

export class TestBackend implements WorkspaceBackend {
  readonly type = "test";
  readonly id: string;
  readonly #url: string;

  constructor(options: TestBackendOptions) {
    this.id = options.id ?? "test";
    this.#url = options.url;
  }

  async connect(): Promise<BackendHandle> {
    const wsUrl = toWebSocketUrl(this.#url);
    // Probe /health before constructing the RPC stub. capnweb's
    // WebSocket session queues calls until the upgrade succeeds,
    // so we'd otherwise discover a misconfigured URL only on the
    // first RPC. The probe surfaces "harness forgot to start the
    // container" up front.
    await probeHealth(this.#url);
    const client = createWorkspaceClient({ url: `${wsUrl}/ws` });
    return {
      rpc: client,
      close: async () => {
        await client.close();
      },
    };
  }
}

function toWebSocketUrl(input: string): string {
  if (input.startsWith("ws://") || input.startsWith("wss://")) {