modal.ts

import { App } from "modal";
import type { TestRunner } from ".";

export class ModalHelloWorld implements TestRunner {
  name = "Hello World";
  provider = "modal" as const;

  exec = async () => {
    const app = await App.lookup("sandbench", { createIfMissing: true });

    const start = Date.now();
    const image = await app.imageFromRegistry("alpine:3.21");
    const sb = await app.createSandbox(image);

    const res = await sb.exec(["echo", "Hello World from code!"]);
    const output = await res.stdout.readText();
    const error = await res.stderr.readText();

    const end = Date.now();
    await sb.terminate();

    return {
      success: (await sb.wait()) === 0,
      output,
      error,
      runningTimeMs: end - start,
    };
  };
}