import '../common/index.mjs';

import tmpdir from '../common/tmpdir.js';

import assert from 'node:assert/strict';

import { once } from 'node:events';

import fs from 'node:fs/promises';

import { describe, test, before } from 'node:test';

import { Worker } from 'node:worker_threads';

const accessInternalsSource = `

import 'node:internal/freelist';

`;

function convertScriptSourceToDataUrl(script) {

return new URL(`data:text/javascript,${encodeURIComponent(script)}`);

}

describe('Worker threads should not be able to access internal modules', () => {

before(() => tmpdir.refresh());

test('worker instantiated with module file path', async () => {

const moduleFilepath = tmpdir.resolve('test-worker-internal-modules.mjs');

await fs.writeFile(moduleFilepath, accessInternalsSource);

const w = new Worker(moduleFilepath);

await assert.rejects(once(w, 'exit'), { code: 'ERR_UNKNOWN_BUILTIN_MODULE' });

});

test('worker instantiated with module source', async () => {

const w = new Worker(accessInternalsSource, { eval: true });

await assert.rejects(once(w, 'exit'), { code: 'ERR_UNKNOWN_BUILTIN_MODULE' });

});

test('worker instantiated with data: URL', async () => {

const w = new Worker(convertScriptSourceToDataUrl(accessInternalsSource));

await assert.rejects(once(w, 'exit'), { code: 'ERR_UNKNOWN_BUILTIN_MODULE' });

});

});