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PR-URL: https://github.com/nodejs/node/pull/46577 Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com> Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com> Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com>
50 lines
1.9 KiB
JavaScript
50 lines
1.9 KiB
JavaScript
// Flags: --expose-internals
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import '../common/index.mjs';
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import { describe, it } from 'node:test';
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import { spawn } from 'node:child_process';
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import { writeFileSync, readFileSync } from 'node:fs';
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import util from 'internal/util';
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import * as fixtures from '../common/fixtures.mjs';
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async function testWatch({ files, fileToUpdate }) {
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const ran1 = util.createDeferredPromise();
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const ran2 = util.createDeferredPromise();
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const child = spawn(process.execPath, ['--watch', '--test', '--no-warnings', ...files], { encoding: 'utf8' });
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let stdout = '';
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child.stdout.on('data', (data) => {
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stdout += data.toString();
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const matches = stdout.match(/test has ran/g);
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if (matches?.length >= 1) ran1.resolve();
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if (matches?.length >= 2) ran2.resolve();
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});
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await ran1.promise;
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const interval = setInterval(() => writeFileSync(fileToUpdate, readFileSync(fileToUpdate, 'utf8')), 50);
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await ran2.promise;
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clearInterval(interval);
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child.kill();
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}
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describe('test runner watch mode', () => {
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it('should run tests repeatedly', async () => {
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const file1 = fixtures.path('test-runner/index.test.js');
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const file2 = fixtures.path('test-runner/dependent.js');
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await testWatch({ files: [file1, file2], fileToUpdate: file2 });
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});
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it('should run tests with dependency repeatedly', async () => {
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const file1 = fixtures.path('test-runner/index.test.js');
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const dependent = fixtures.path('test-runner/dependent.js');
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const dependency = fixtures.path('test-runner/dependency.js');
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await testWatch({ files: [file1, dependent], fileToUpdate: dependency });
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});
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it('should run tests with ESM dependency', async () => {
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const file1 = fixtures.path('test-runner/index.test.js');
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const dependent = fixtures.path('test-runner/dependent.js');
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const dependency = fixtures.path('test-runner/dependency.mjs');
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await testWatch({ files: [file1, dependent], fileToUpdate: dependency });
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});
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});
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