import { expect, test } from "@playwright/test";

test("M13-03E cancellation publishes neither a late message nor a cache entry", async ({ page }) => {
  await page.goto("/");
  const result = await page.evaluate(async () => {
    const receipt = await new Promise<Record<string, any>>((resolve, reject) => {
      const worker = new Worker("/src/workers/script-sandbox-cancellation-test.worker.ts", { type: "module" });
      worker.onmessage = (event: MessageEvent<Record<string, any>>) => { worker.terminate(); resolve(event.data); };
      worker.onerror = (event) => { worker.terminate(); reject(new Error(event.message)); };
      worker.postMessage({ mode: "RECEIPT" });
    });
    const runtime = await new Promise<{ lateMessages: number; cacheWrites: number; cancelled: boolean }>((resolve, reject) => {
      const worker = new Worker("/src/workers/script-sandbox-cancellation-test.worker.ts", { type: "module" });
      let lateMessages = 0;
      let cacheWrites = 0;
      let cancelled = false;
      worker.onmessage = () => { lateMessages += 1; if (!cancelled) cacheWrites += 1; };
      worker.onerror = (event) => { worker.terminate(); reject(new Error(event.message)); };
      worker.postMessage({ mode: "RUN" });
      setTimeout(() => { cancelled = true; worker.terminate(); setTimeout(() => resolve({ lateMessages, cacheWrites, cancelled }), 80); }, 10);
    });
    return { receipt, runtime };
  });
  expect(result.receipt.cancelled).toMatchObject({ status: "CANCELLED", errorCode: "SCRIPT_SANDBOX_CANCELLED", mainRevisionBefore: 11, mainRevisionAfter: 11, temporaryBytes: 0, publishedResults: 0, lateResults: 0, committed: false });
  expect(result.receipt.lateResult).toBe("SCRIPT_SANDBOX_LATE_RESULT");
  expect(result.runtime).toEqual({ lateMessages: 0, cacheWrites: 0, cancelled: true });
});