wehub-resource-sync
436 lines
15 KiB
TypeScript
436 lines
15 KiB
TypeScript
import { describe, expect, it } from "bun:test";
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import * as fs from "node:fs/promises";
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import * as os from "node:os";
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import * as path from "node:path";
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import { pathToFileURL } from "node:url";
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import { WorkerCore } from "@oh-my-pi/pi-coding-agent/eval/js/worker-core";
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import type {
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SessionSnapshot,
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Transport,
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WorkerInbound,
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WorkerOutbound,
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} from "@oh-my-pi/pi-coding-agent/eval/js/worker-protocol";
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interface WorkerHarness {
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send(message: WorkerInbound): void;
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onMessage(handler: (message: WorkerOutbound) => void): () => void;
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}
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function createWorkerHarness(): WorkerHarness {
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const hostListeners = new Set<(message: WorkerOutbound) => void>();
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const workerListeners = new Set<(message: WorkerInbound) => void>();
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const transport: Transport = {
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send: message => {
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queueMicrotask(() => {
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for (const listener of hostListeners) listener(message);
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});
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},
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onMessage: handler => {
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workerListeners.add(handler);
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return () => workerListeners.delete(handler);
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},
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close: () => {},
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};
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new WorkerCore(transport);
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return {
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send(message) {
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queueMicrotask(() => {
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for (const listener of workerListeners) listener(message);
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});
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},
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onMessage(handler) {
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hostListeners.add(handler);
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return () => hostListeners.delete(handler);
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},
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};
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}
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function waitForMessage(
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harness: WorkerHarness,
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predicate: (message: WorkerOutbound) => boolean,
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): Promise<WorkerOutbound> {
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const { promise, resolve } = Promise.withResolvers<WorkerOutbound>();
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let unsubscribe = (): void => {};
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unsubscribe = harness.onMessage(message => {
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if (!predicate(message)) return;
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unsubscribe();
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resolve(message);
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});
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return promise;
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}
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async function initializeWorker(harness: WorkerHarness, snapshot: SessionSnapshot): Promise<void> {
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const ready = waitForMessage(harness, message => message.type === "ready");
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harness.send({ type: "init", snapshot });
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expect((await ready).type).toBe("ready");
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}
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function installFatalCapture(): {
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fatal: unknown[];
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uninstall: () => void;
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} {
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const fatal: unknown[] = [];
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const onUnhandled = (reason: unknown): void => {
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fatal.push(reason);
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};
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const onUncaught = (err: Error): void => {
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fatal.push(err);
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};
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process.on("unhandledRejection", onUnhandled);
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process.on("uncaughtException", onUncaught);
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return {
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fatal,
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uninstall: () => {
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process.off("unhandledRejection", onUnhandled);
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process.off("uncaughtException", onUncaught);
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},
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};
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}
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describe("WorkerCore", () => {
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it("reports same-realm cwd conflicts through the worker protocol", async () => {
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const first = createWorkerHarness();
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const second = createWorkerHarness();
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const cwd = process.cwd();
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await initializeWorker(first, { cwd, sessionId: "same-realm-first", localRoots: {} });
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await initializeWorker(second, { cwd, sessionId: "same-realm-second", localRoots: {} });
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const gate = Promise.withResolvers<void>();
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const entered = Promise.withResolvers<void>();
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(globalThis as { __omp_worker_core_gate?: { entered(): void; wait: Promise<void> } }).__omp_worker_core_gate = {
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entered: () => entered.resolve(),
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wait: gate.promise,
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};
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try {
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first.send({
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type: "run",
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runId: "hold-first-runtime",
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code: "globalThis.__omp_worker_core_gate.entered(); await globalThis.__omp_worker_core_gate.wait;",
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filename: "[same-realm-first].js",
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snapshot: { cwd, sessionId: "same-realm-first", localRoots: {} },
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});
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await entered.promise;
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const result = waitForMessage(
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second,
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message => message.type === "result" && message.runId === "overlap-second-runtime",
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);
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second.send({
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type: "run",
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runId: "overlap-second-runtime",
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code: "1 + 1;",
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filename: "[same-realm-second].js",
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snapshot: { cwd, sessionId: "same-realm-second", localRoots: {} },
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});
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expect(await result).toMatchObject({
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type: "result",
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runId: "overlap-second-runtime",
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ok: false,
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error: { message: "Cannot run code while another same-realm JS runtime is running" },
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});
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} finally {
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gate.resolve();
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delete (globalThis as { __omp_worker_core_gate?: { entered(): void; wait: Promise<void> } })
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.__omp_worker_core_gate;
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first.send({ type: "close" });
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second.send({ type: "close" });
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}
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});
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it("re-init while a same-realm run is live does not crash the process", async () => {
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const first = createWorkerHarness();
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const second = createWorkerHarness();
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const cwd = process.cwd();
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await initializeWorker(first, { cwd, sessionId: "reinit-first", localRoots: {} });
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await initializeWorker(second, { cwd, sessionId: "reinit-second", localRoots: {} });
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const gate = Promise.withResolvers<void>();
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const entered = Promise.withResolvers<void>();
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(globalThis as { __omp_worker_core_gate?: { entered(): void; wait: Promise<void> } }).__omp_worker_core_gate = {
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entered: () => entered.resolve(),
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wait: gate.promise,
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};
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const { fatal, uninstall } = installFatalCapture();
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try {
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first.send({
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type: "run",
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runId: "hold-for-reinit",
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code: "globalThis.__omp_worker_core_gate.entered(); await globalThis.__omp_worker_core_gate.wait;",
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filename: "[reinit-first].js",
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snapshot: { cwd, sessionId: "reinit-first", localRoots: {} },
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});
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await entered.promise;
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// Re-init the second core while the first still owns the realm. Production
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// inline workers deliver this on a microtask; a setCwd throw here used to
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// become a process-fatal unhandledRejection / uncaughtException.
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const reinit = waitForMessage(second, message => message.type === "ready" || message.type === "init-failed");
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second.send({ type: "init", snapshot: { cwd, sessionId: "reinit-second", localRoots: {} } });
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const reply = await reinit;
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expect(reply.type).toBe("ready");
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// Concurrent run still fails at the exclusive run boundary, via protocol.
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const result = waitForMessage(
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second,
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message => message.type === "result" && message.runId === "overlap-after-reinit",
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);
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second.send({
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type: "run",
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runId: "overlap-after-reinit",
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code: "1 + 1;",
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filename: "[reinit-second].js",
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snapshot: { cwd, sessionId: "reinit-second", localRoots: {} },
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});
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expect(await result).toMatchObject({
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type: "result",
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runId: "overlap-after-reinit",
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ok: false,
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error: { message: "Cannot run code while another same-realm JS runtime is running" },
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});
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// Drain microtasks so a latent fatal would surface.
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await Bun.sleep(0);
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expect(fatal).toEqual([]);
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} finally {
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uninstall();
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gate.resolve();
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delete (globalThis as { __omp_worker_core_gate?: { entered(): void; wait: Promise<void> } })
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.__omp_worker_core_gate;
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first.send({ type: "close" });
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second.send({ type: "close" });
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}
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});
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it("concurrent inits under a live same-realm run stay process-safe", async () => {
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const first = createWorkerHarness();
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const second = createWorkerHarness();
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const third = createWorkerHarness();
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const cwd = process.cwd();
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await initializeWorker(first, { cwd, sessionId: "init-live-first", localRoots: {} });
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await initializeWorker(second, { cwd, sessionId: "init-live-second", localRoots: {} });
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await initializeWorker(third, { cwd, sessionId: "init-live-third", localRoots: {} });
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const gate = Promise.withResolvers<void>();
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const entered = Promise.withResolvers<void>();
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(globalThis as { __omp_worker_core_gate?: { entered(): void; wait: Promise<void> } }).__omp_worker_core_gate = {
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entered: () => entered.resolve(),
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wait: gate.promise,
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};
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const { fatal, uninstall } = installFatalCapture();
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try {
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first.send({
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type: "run",
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runId: "hold-for-multi-init",
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code: "globalThis.__omp_worker_core_gate.entered(); await globalThis.__omp_worker_core_gate.wait;",
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filename: "[init-live-first].js",
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snapshot: { cwd, sessionId: "init-live-first", localRoots: {} },
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});
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await entered.promise;
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const readySecond = waitForMessage(
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second,
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message => message.type === "ready" || message.type === "init-failed",
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);
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const readyThird = waitForMessage(
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third,
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message => message.type === "ready" || message.type === "init-failed",
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);
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second.send({ type: "init", snapshot: { cwd, sessionId: "init-live-second", localRoots: {} } });
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third.send({ type: "init", snapshot: { cwd, sessionId: "init-live-third", localRoots: {} } });
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expect((await readySecond).type).toBe("ready");
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expect((await readyThird).type).toBe("ready");
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const resultSecond = waitForMessage(
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second,
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message => message.type === "result" && message.runId === "overlap-second",
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);
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const resultThird = waitForMessage(
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third,
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message => message.type === "result" && message.runId === "overlap-third",
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);
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second.send({
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type: "run",
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runId: "overlap-second",
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code: "2",
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filename: "[init-live-second].js",
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snapshot: { cwd, sessionId: "init-live-second", localRoots: {} },
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});
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third.send({
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type: "run",
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runId: "overlap-third",
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code: "3",
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filename: "[init-live-third].js",
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snapshot: { cwd, sessionId: "init-live-third", localRoots: {} },
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});
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expect(await resultSecond).toMatchObject({
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type: "result",
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runId: "overlap-second",
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ok: false,
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error: { message: "Cannot run code while another same-realm JS runtime is running" },
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});
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expect(await resultThird).toMatchObject({
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type: "result",
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runId: "overlap-third",
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ok: false,
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error: { message: "Cannot run code while another same-realm JS runtime is running" },
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});
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await Bun.sleep(0);
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expect(fatal).toEqual([]);
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} finally {
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uninstall();
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gate.resolve();
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delete (globalThis as { __omp_worker_core_gate?: { entered(): void; wait: Promise<void> } })
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.__omp_worker_core_gate;
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first.send({ type: "close" });
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second.send({ type: "close" });
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third.send({ type: "close" });
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}
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});
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it("first init while a same-realm run is live fails via init-failed and recovers", async () => {
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const first = createWorkerHarness();
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const second = createWorkerHarness(); // never initialized: no runtime exists yet
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const cwd = process.cwd();
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await initializeWorker(first, { cwd, sessionId: "first-init-live-first", localRoots: {} });
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const gate = Promise.withResolvers<void>();
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const entered = Promise.withResolvers<void>();
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(globalThis as { __omp_worker_core_gate?: { entered(): void; wait: Promise<void> } }).__omp_worker_core_gate = {
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entered: () => entered.resolve(),
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wait: gate.promise,
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};
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const { fatal, uninstall } = installFatalCapture();
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try {
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const firstText = waitForMessage(
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first,
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message => message.type === "text" && message.runId === "hold-for-first-init",
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);
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const firstResult = waitForMessage(
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first,
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message => message.type === "result" && message.runId === "hold-for-first-init",
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);
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first.send({
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type: "run",
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runId: "hold-for-first-init",
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code: "globalThis.__omp_worker_core_gate.entered(); await globalThis.__omp_worker_core_gate.wait; __omp_session__.sessionId;",
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filename: "[first-init-live-first].js",
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snapshot: { cwd, sessionId: "first-init-live-first", localRoots: {} },
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});
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await entered.promise;
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// A fresh runtime's install would Object.assign over the live runtime's
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// globals mid-run; it must fail via the protocol instead.
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const reply = waitForMessage(second, message => message.type === "ready" || message.type === "init-failed");
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second.send({ type: "init", snapshot: { cwd, sessionId: "first-init-live-second", localRoots: {} } });
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expect(await reply).toMatchObject({
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type: "init-failed",
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error: { message: "Cannot initialize a JS runtime while another same-realm JS runtime is running" },
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});
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// The held run's globals were not clobbered: it still resolves its own
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// session bag and completes cleanly.
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gate.resolve();
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expect(await firstText).toMatchObject({
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type: "text",
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runId: "hold-for-first-init",
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chunk: "first-init-live-first\n",
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});
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expect(await firstResult).toMatchObject({ type: "result", runId: "hold-for-first-init", ok: true });
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// Once the realm is free, the same core initializes cleanly.
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await initializeWorker(second, { cwd, sessionId: "first-init-live-second", localRoots: {} });
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// Drain the microtask queue so any latent fatal would surface.
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for (let i = 0; i < 8; i++) await Promise.resolve();
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expect(fatal).toEqual([]);
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} finally {
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uninstall();
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gate.resolve();
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delete (globalThis as { __omp_worker_core_gate?: { entered(): void; wait: Promise<void> } })
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.__omp_worker_core_gate;
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first.send({ type: "close" });
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second.send({ type: "close" });
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}
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});
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it("survives concurrent same-realm setCwd in a child process with postmortem loaded", async () => {
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// Process-level oracle: the production crash was postmortem killing the process
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// after an unhandled rejection from concurrent inline setCwd. This must stay green
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// even when postmortem's fatal handlers are installed.
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const postmortemUrl = pathToFileURL(path.resolve(import.meta.dir, "../../../utils/src/postmortem.ts")).href;
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const runtimeUrl = pathToFileURL(path.resolve(import.meta.dir, "../../src/eval/js/shared/runtime.ts")).href;
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const probe = `import { pathToFileURL } from "node:url";
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await import(${JSON.stringify(postmortemUrl)});
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const { JsRuntime } = await import(${JSON.stringify(runtimeUrl)});
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const first = new JsRuntime({ initialCwd: process.cwd(), sessionId: "child-first" });
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const second = new JsRuntime({ initialCwd: process.cwd(), sessionId: "child-second" });
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const gate = Promise.withResolvers();
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const entered = Promise.withResolvers();
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const hooks = {
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onText() {},
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onDisplay() {},
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callTool: async () => undefined,
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};
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second.setRunScope({ gate: gate.promise, entered: () => entered.resolve() });
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const hold = second.run("entered(); await gate;", "[child-second].js", hooks);
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await entered.promise;
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// Historical crash path: concurrent setCwd while another same-realm runtime is live.
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first.setCwd(process.cwd() + "/child-pending");
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second.setCwd(process.cwd());
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// Microtask delivery must not become process-fatal either.
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queueMicrotask(() => {
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first.setCwd(process.cwd() + "/child-pending-2");
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});
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await Promise.resolve();
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await Bun.sleep(0);
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gate.resolve();
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await hold;
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first.dispose();
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second.dispose();
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console.log("survived concurrent setCwd");
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process.exit(0);
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`;
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const root = await fs.mkdtemp(path.join(os.tmpdir(), "omp-same-realm-"));
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const probePath = path.join(root, "probe.ts");
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try {
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await Bun.write(probePath, probe);
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const proc = Bun.spawn([process.execPath, probePath], {
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cwd: process.cwd(),
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stdout: "pipe",
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stderr: "pipe",
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env: { ...process.env },
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});
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const watchdog = Bun.sleep(5000).then(() => {
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proc.kill();
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return -999;
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});
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const [stdout, stderr, exitCode] = await Promise.all([
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new Response(proc.stdout).text(),
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new Response(proc.stderr).text(),
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Promise.race([proc.exited, watchdog]),
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]);
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expect(exitCode).toBe(0);
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expect(stdout).toContain("survived concurrent setCwd");
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expect(stderr).not.toContain("[Unhandled Rejection]");
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expect(stderr).not.toContain("[Uncaught Exception]");
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expect(stderr).not.toContain("another same-realm JS runtime is running");
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} finally {
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await fs.rm(root, { recursive: true, force: true });
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}
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});
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});
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