node/test/parallel/test-diagnostics-channel-pr...

22 lines
633 B
JavaScript

'use strict';
const common = require('../common');
const assert = require('assert');
const cluster = require('cluster');
const { ChildProcess } = require('child_process');
const dc = require('diagnostics_channel');
if (cluster.isPrimary) {
dc.subscribe('child_process', common.mustCall(({ process }) => {
assert.strictEqual(process instanceof ChildProcess, true);
}));
const worker = cluster.fork();
worker.on('online', common.mustCall(() => {
worker.send('disconnect');
}));
} else {
process.on('message', common.mustCall((msg) => {
assert.strictEqual(msg, 'disconnect');
process.disconnect();
}));
}