node/test/parallel/test-trace-events-file-pattern.js
Anna Henningsen 229dca3dee
test,tools: enable running tests under workers
Enable running tests inside workers by passing `--worker`
to `tools/test.py`. A number of tests are marked as skipped,
or have been slightly altered to fit the different environment.

PR-URL: https://github.com/nodejs/node/pull/20876
Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Reviewed-By: Shingo Inoue <leko.noor@gmail.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Tiancheng "Timothy" Gu <timothygu99@gmail.com>
Reviewed-By: John-David Dalton <john.david.dalton@gmail.com>
Reviewed-By: Gus Caplan <me@gus.host>
2018-06-06 19:44:11 +02:00

34 lines
980 B
JavaScript

'use strict';
const common = require('../common');
const tmpdir = require('../common/tmpdir');
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');
tmpdir.refresh();
process.chdir(tmpdir.path);
const CODE =
'setTimeout(() => { for (var i = 0; i < 100000; i++) { "test" + i } }, 1)';
const proc = cp.spawn(process.execPath, [
'--trace-events-enabled',
'--trace-event-file-pattern',
// eslint-disable-next-line no-template-curly-in-string
'${pid}-${rotation}-${pid}-${rotation}.tracing.log',
'-e', CODE
]);
proc.once('exit', common.mustCall(() => {
const expectedFilename = `${proc.pid}-1-${proc.pid}-1.tracing.log`;
assert(common.fileExists(expectedFilename));
fs.readFile(expectedFilename, common.mustCall((err, data) => {
const traces = JSON.parse(data.toString()).traceEvents;
assert(traces.length > 0);
}));
}));