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nodejs/test/es-module/test-esm-initialization.mjs
Geoffrey Booth 9e840deecc
esm: misc test refactors
- add test specific to the event loop
- move parallel tests into es-module folder
- refactor fixture to add braces for if blocks
- use 'os' instead of 'fs' as placeholder
- spelling

PR-URL: https://github.com/nodejs/node/pull/46631
Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
Reviewed-By: Michaël Zasso <targos@protonmail.com>
2023-02-18 14:26:36 +00:00

30 lines
1001 B
JavaScript

import { spawnPromisified } from '../common/index.mjs';
import * as fixtures from '../common/fixtures.mjs';
import assert from 'node:assert';
import { execPath } from 'node:process';
import { describe, it } from 'node:test';
describe('ESM: ensure initialization happens only once', { concurrency: true }, () => {
it(async () => {
const { code, stderr, stdout } = await spawnPromisified(execPath, [
'--loader',
fixtures.fileURL('es-module-loaders', 'loader-resolve-passthru.mjs'),
'--no-warnings',
fixtures.path('es-modules', 'runmain.mjs'),
]);
// Length minus 1 because the first match is the needle.
const resolveHookRunCount = (stdout.match(/resolve passthru/g)?.length ?? 0) - 1;
assert.strictEqual(stderr, '');
/**
* resolveHookRunCount = 2:
* 1. fixtures/…/runmain.mjs
* 2. node:module (imported by fixtures/…/runmain.mjs)
*/
assert.strictEqual(resolveHookRunCount, 2);
assert.strictEqual(code, 0);
});
});