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'use strict';
var common = require('../common');
var assert = require('assert');
var cluster = require('cluster');
if (cluster.isWorker) {
// keep the worker alive
var http = require('http');
http.Server().listen(common.PORT, '127.0.0.1');
} else if (process.argv[2] === 'cluster') {
var worker = cluster.fork();
// send PID info to testcase process
process.send({
pid: worker.process.pid
});
// terminate the cluster process
worker.once('listening', function() {
setTimeout(function() {
process.exit(0);
}, 1000);
});
} else {
// This is the testcase
var fork = require('child_process').fork;
// is process alive helper
var isAlive = function(pid) {
try {
//this will throw an error if the process is dead
process.kill(pid, 0);
return true;
} catch (e) {
return false;
}
};
// Spawn a cluster process
var master = fork(process.argv[1], ['cluster']);
// get pid info
var pid = null;
master.once('message', function(data) {
pid = data.pid;
});
// When master is dead
var alive = true;
master.on('exit', function(code) {
// make sure that the master died by purpose
assert.equal(code, 0);
// check worker process status
setTimeout(function() {
alive = isAlive(pid);
}, 200);
});
process.once('exit', function() {
// cleanup: kill the worker if alive
if (alive) {
process.kill(pid);
}
assert.equal(typeof pid, 'number', 'did not get worker pid info');
assert.equal(alive, false, 'worker was alive after master died');
});
}