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bb8cc65edb
PR-URL: https://github.com/nodejs/node/pull/54836 Reviewed-By: Michaël Zasso <targos@protonmail.com> Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com> Reviewed-By: Luigi Pinca <luigipinca@gmail.com> Reviewed-By: Chemi Atlow <chemi@atlow.co.il> Reviewed-By: Moshe Atlow <moshe@atlow.co.il> Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com> Reviewed-By: Robert Nagy <ronagy@icloud.com> Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
109 lines
3.3 KiB
JavaScript
109 lines
3.3 KiB
JavaScript
import * as common from '../common/index.mjs';
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import { describe, it } from 'node:test';
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import assert from 'node:assert';
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import { spawn } from 'node:child_process';
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import { writeFile, unlink } from 'node:fs/promises';
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import { setTimeout } from 'node:timers/promises';
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import tmpdir from '../common/tmpdir.js';
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if (common.isIBMi)
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common.skip('IBMi does not support `fs.watch()`');
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if (common.isAIX)
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common.skip('folder watch capability is limited in AIX.');
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tmpdir.refresh();
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// This test updates these files repeatedly,
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// Reading them from disk is unreliable due to race conditions.
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const fixtureContent = {
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'dependency.js': 'module.exports = {};',
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'dependency.mjs': 'export const a = 1;',
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// Test 1
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'test.js': `
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const test = require('node:test');
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require('./dependency.js');
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import('./dependency.mjs');
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import('data:text/javascript,');
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test('first test has ran');`,
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// Test 2
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'test-2.mjs': `
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import test from 'node:test';
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import './dependency.js';
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import { a } from './dependency.mjs';
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import 'data:text/javascript,';
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test('second test has ran');`,
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// Test file to be deleted
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'test-to-delete.mjs': `
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import test from 'node:test';
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import './dependency.js';
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import { a } from './dependency.mjs';
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import 'data:text/javascript,';
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test('test to delete has ran');`,
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};
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const fixturePaths = Object.fromEntries(Object.keys(fixtureContent)
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.map((file) => [file, tmpdir.resolve(file)]));
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async function setupFixtures() {
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return Promise.all(Object.entries(fixtureContent)
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.map(([file, content]) => writeFile(fixturePaths[file], content, { flush: true })));
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}
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await setupFixtures();
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describe('test runner watch mode with more complex setup', () => {
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it('should run tests when a dependency changed after a watched test file being deleted', async () => {
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const ran1 = Promise.withResolvers();
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const ran2 = Promise.withResolvers();
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const child = spawn(process.execPath,
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['--watch', '--test'],
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{ encoding: 'utf8', stdio: 'pipe', cwd: tmpdir.path });
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let stdout = '';
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let currentRun = '';
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const runs = [];
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child.stdout.on('data', (data) => {
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stdout += data.toString();
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currentRun += data.toString();
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const testRuns = stdout.match(/duration_ms\s\d+/g);
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if (testRuns?.length >= 2) {
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ran2.resolve();
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return;
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}
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if (testRuns?.length >= 1) ran1.resolve();
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});
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await ran1.promise;
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runs.push(currentRun);
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currentRun = '';
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const fileToDeletePathLocal = tmpdir.resolve('test-to-delete.mjs');
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await unlink(fileToDeletePathLocal);
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await setTimeout(common.platformTimeout(1000));
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const content = fixtureContent['dependency.mjs'];
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const path = fixturePaths['dependency.mjs'];
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await writeFile(path, content, { flush: true });
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await setTimeout(common.platformTimeout(1000));
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await ran2.promise;
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runs.push(currentRun);
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currentRun = '';
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child.kill();
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assert.strictEqual(runs.length, 2);
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const [firstRun, secondRun] = runs;
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assert.match(firstRun, /tests 3/);
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assert.match(firstRun, /pass 3/);
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assert.match(firstRun, /fail 0/);
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assert.match(firstRun, /cancelled 0/);
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assert.match(secondRun, /tests 2/);
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assert.match(secondRun, /pass 2/);
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assert.match(secondRun, /fail 0/);
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assert.match(secondRun, /cancelled 0/);
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});
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});
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