test: add tests ensuring worker threads cannot access internals

Refs: #57804 (comment) Refs: #57804 (comment) PR-URL: #58332 Reviewed-By: Antoine du Hamel <[email protected]> Reviewed-By: Dario Piotrowicz <[email protected]>

Author: Lordfirespeed

test/parallel/test-worker-internal-modules.mjs

@@ -0,0 +1,36 @@
+import'../common/index.mjs';
+importtmpdirfrom'../common/tmpdir.js';
+importassertfrom'node:assert/strict';
+import{once}from'node:events';
+importfsfrom'node:fs/promises';
+import{describe,test,before}from'node:test';
+import{Worker}from'node:worker_threads';
+
+constaccessInternalsSource=`
+import 'node:internal/freelist'
+`;
+
+functionconvertScriptSourceToDataUrl(script){
+returnnewURL(`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()=>{
+constmoduleFilepath=tmpdir.resolve('test-worker-internal-modules.mjs');
+awaitfs.writeFile(moduleFilepath,accessInternalsSource);
+constw=newWorker(moduleFilepath);
+awaitassert.rejects(once(w,'exit'),{code: 'ERR_UNKNOWN_BUILTIN_MODULE'});
+});
+
+test('worker instantiated with module source',async()=>{
+constw=newWorker(accessInternalsSource,{eval: true});
+awaitassert.rejects(once(w,'exit'),{code: 'ERR_UNKNOWN_BUILTIN_MODULE'});
+});
+
+test('worker instantiated with data: URL',async()=>{
+constw=newWorker(convertScriptSourceToDataUrl(accessInternalsSource));
+awaitassert.rejects(once(w,'exit'),{code: 'ERR_UNKNOWN_BUILTIN_MODULE'});
+});
+});