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nodejs/test/parallel/test-cluster-master-kill.js
isaacs 3e1b1dd4a9 Remove excessive copyright/license boilerplate
The copyright and license notice is already in the LICENSE file.  There
is no justifiable reason to also require that it be included in every
file, since the individual files are not individually distributed except
as part of the entire package.
2015-01-12 15:30:28 -08:00

77 lines
1.6 KiB
JavaScript

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');
});
}