Signed-off-by: Moshe Atlow <moshe@atlow.co.il> PR-URL: https://github.com/nodejs/node/pull/63432 Reviewed-By: Chemi Atlow <chemi@atlow.co.il> Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
59 lines
1.8 KiB
JavaScript
59 lines
1.8 KiB
JavaScript
// Flags: --no-warnings
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import '../common/index.mjs';
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import * as fixtures from '../common/fixtures.mjs';
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import assert from 'node:assert';
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import { test, run } from 'node:test';
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const files = [
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fixtures.path('test-runner', 'execution-ordered-bypass', 'slow.mjs'),
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fixtures.path('test-runner', 'execution-ordered-bypass', 'fast-fail.mjs'),
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];
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test('execution-ordered events bypass FileTest declaration-order buffer', async () => {
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// Concurrency must be a number so the runner does not collapse it to 1 on
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// single-core CI runners (where `concurrency: true` resolves to
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// `availableParallelism() - 1`). Without two slots the runner spawns the
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// files sequentially and fast-fail never starts while slow is sleeping.
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const stream = run({
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files,
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isolation: 'process',
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concurrency: 2,
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});
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const events = [];
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stream.on('test:complete', (data) => {
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if (data.name === 'slow' || data.name === 'fast-fail') {
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events.push(`complete:${data.name}`);
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}
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});
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stream.on('test:fail', (data) => {
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if (data.name === 'fast-fail') {
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events.push(`fail:${data.name}`);
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}
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});
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// eslint-disable-next-line no-unused-vars
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for await (const _ of stream);
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const completeFast = events.indexOf('complete:fast-fail');
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const completeSlow = events.indexOf('complete:slow');
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const failFast = events.indexOf('fail:fast-fail');
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assert.notStrictEqual(completeFast, -1);
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assert.notStrictEqual(completeSlow, -1);
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assert.notStrictEqual(failFast, -1);
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assert.ok(
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completeFast < completeSlow,
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`test:complete for fast-fail should arrive before slow; events=${events.join(', ')}`,
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);
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// test:fail is declaration-ordered, so the bypass must not affect it.
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assert.ok(
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failFast > completeSlow,
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`test:fail for fast-fail should arrive after test:complete for slow; events=${events.join(', ')}`,
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);
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});
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