node/test/parallel/test-trace-events-bootstrap.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

57 lines
1.4 KiB
JavaScript

'use strict';
const common = require('../common');
const assert = require('assert');
const cp = require('child_process');
const path = require('path');
const fs = require('fs');
const tmpdir = require('../common/tmpdir');
if (!common.isMainThread)
common.skip('process.chdir is not available in Workers');
const names = [
'environment',
'nodeStart',
'v8Start',
'loopStart',
'loopExit',
'bootstrapComplete',
'thirdPartyMainStart',
'thirdPartyMainEnd',
'clusterSetupStart',
'clusterSetupEnd',
'moduleLoadStart',
'moduleLoadEnd',
'preloadModulesLoadStart',
'preloadModulesLoadEnd'
];
if (process.argv[2] === 'child') {
1 + 1;
} else {
tmpdir.refresh();
process.chdir(tmpdir.path);
const proc = cp.fork(__filename,
[ 'child' ], {
execArgv: [
'--trace-event-categories',
'node.bootstrap'
]
});
proc.once('exit', common.mustCall(() => {
const file = path.join(tmpdir.path, 'node_trace.1.log');
assert(common.fileExists(file));
fs.readFile(file, common.mustCall((err, data) => {
const traces = JSON.parse(data.toString()).traceEvents
.filter((trace) => trace.cat !== '__metadata');
traces.forEach((trace) => {
assert.strictEqual(trace.pid, proc.pid);
assert(names.includes(trace.name));
});
}));
}));
}