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'use strict';
const common = require('../common');
const assert = require('assert');
const cluster = require('cluster');
if (cluster.isWorker) {
// keep the worker alive
const http = require('http');
http.Server().listen(common.PORT, '127.0.0.1');
} else if (process.argv[2] === 'cluster') {
const worker = cluster.fork();
// send PID info to testcase process
process.send({
pid: worker.process.pid
});
// terminate the cluster process
worker.once('listening', common.mustCall(() => {
setTimeout(() => {
process.exit(0);
}, 1000);
}));
} else {
// This is the testcase
const fork = require('child_process').fork;
// Spawn a cluster process
const master = fork(process.argv[1], ['cluster']);
// get pid info
let pid = null;
master.once('message', (data) => {
pid = data.pid;
});
// When master is dead
let alive = true;
master.on('exit', common.mustCall((code) => {
// make sure that the master died on purpose
assert.strictEqual(code, 0);
// check worker process status
const pollWorker = function() {
alive = common.isAlive(pid);
if (alive) {
setTimeout(pollWorker, 50);
}
};
// Loop indefinitely until worker exit.
pollWorker();
}));
process.once('exit', () => {
assert.strictEqual(typeof pid, 'number', 'did not get worker pid info');
assert.strictEqual(alive, false, 'worker was alive after master died');
});
}
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