nodejs/test/parallel/test-trace-events-vm.js

44 lines
1.2 KiB
JavaScript

'use strict';
const common = require('../common');
const assert = require('assert');
const cp = require('child_process');
const fs = require('fs');
const path = require('path');
const tmpdir = require('../common/tmpdir');
const names = [
'ContextifyScript::New',
'RunInThisContext',
'RunInContext'
];
if (process.argv[2] === 'child') {
const vm = require('vm');
vm.runInNewContext('1 + 1');
} else {
tmpdir.refresh();
const proc = cp.fork(__filename,
[ 'child' ], {
cwd: tmpdir.path,
execArgv: [
'--trace-event-categories',
'node.vm.script'
]
});
proc.once('exit', common.mustCall(() => {
const file = path.join(tmpdir.path, 'node_trace.1.log');
assert(fs.existsSync(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));
});
}));
}));
}