75 lines
2.2 KiB
JavaScript
75 lines
2.2 KiB
JavaScript
import { spawnPromisified } from '../common/index.mjs';
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import * as fixtures from '../common/fixtures.js';
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import assert from 'node:assert/strict';
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import { describe, it } from 'node:test';
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const importMetaMainScript = `
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import assert from 'node:assert/strict';
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assert.strictEqual(import.meta.main, true, 'import.meta.main should evaluate true in main module');
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const { isMain: importedModuleIsMain } = await import(
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${JSON.stringify(fixtures.fileURL('es-modules/import-meta-main.mjs'))}
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);
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assert.strictEqual(importedModuleIsMain, false, 'import.meta.main should evaluate false in imported module');
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`;
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function wrapScriptInEvalWorker(script) {
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return `
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import { Worker } from 'node:worker_threads';
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new Worker(${JSON.stringify(script)}, { eval: true });
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`;
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}
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function convertScriptSourceToDataUrl(script) {
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return new URL(`data:text/javascript,${encodeURIComponent(script)}`);
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}
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function wrapScriptInUrlWorker(script) {
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return `
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import { Worker } from 'node:worker_threads';
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new Worker(new URL(${JSON.stringify(convertScriptSourceToDataUrl(script))}));
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`;
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}
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describe('import.meta.main in evaluated scripts', () => {
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it('should evaluate true in evaluated script', async () => {
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const result = await spawnPromisified(
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process.execPath,
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['--input-type=module', '--eval', importMetaMainScript],
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);
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assert.deepStrictEqual(result, {
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stderr: '',
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stdout: '',
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code: 0,
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signal: null,
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});
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});
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it('should evaluate true in worker instantiated with module source by evaluated script', async () => {
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const result = await spawnPromisified(
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process.execPath,
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['--input-type=module', '--eval', wrapScriptInEvalWorker(importMetaMainScript)],
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);
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assert.deepStrictEqual(result, {
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stderr: '',
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stdout: '',
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code: 0,
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signal: null,
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});
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});
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it('should evaluate true in worker instantiated with `data:` URL by evaluated script', async () => {
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const result = await spawnPromisified(
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process.execPath,
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['--input-type=module', '--eval', wrapScriptInUrlWorker(importMetaMainScript)],
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);
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assert.deepStrictEqual(result, {
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stderr: '',
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stdout: '',
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code: 0,
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signal: null,
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});
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});
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});
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