node/test/parallel/test-trace-events-none.js
Rich Trott 41ae423718 test: remove common.fileExists()
common.fileExists() can be replaced with fs.existsSync().

PR-URL: https://github.com/nodejs/node/pull/22151
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Weijia Wang <starkwang@126.com>
Reviewed-By: Jon Moss <me@jonathanmoss.me>
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Сковорода Никита Андреевич <chalkerx@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
Reviewed-By: Tobias Nießen <tniessen@tnie.de>
Reviewed-By: Franziska Hinkelmann <franziska.hinkelmann@gmail.com>
2018-08-08 09:17:44 -07:00

31 lines
897 B
JavaScript

'use strict';
const common = require('../common');
const assert = require('assert');
const cp = require('child_process');
const fs = require('fs');
if (!common.isMainThread)
common.skip('process.chdir is not available in Workers');
const CODE =
'setTimeout(() => { for (var i = 0; i < 100000; i++) { "test" + i } }, 1)';
const FILE_NAME = 'node_trace.1.log';
const tmpdir = require('../common/tmpdir');
tmpdir.refresh();
process.chdir(tmpdir.path);
const proc_no_categories = cp.spawn(
process.execPath,
[ '--trace-event-categories', '""', '-e', CODE ]
);
proc_no_categories.once('exit', common.mustCall(() => {
assert(fs.existsSync(FILE_NAME));
// Only __metadata categories should have been emitted.
fs.readFile(FILE_NAME, common.mustCall((err, data) => {
assert.ok(JSON.parse(data.toString()).traceEvents.every(
(trace) => trace.cat === '__metadata'));
}));
}));