'use strict'; var common = require('../common'); var assert = require('assert'); var cluster = require('cluster'); assert.equal('NODE_UNIQUE_ID' in process.env, false, 'NODE_UNIQUE_ID should be removed on startup'); function forEach(obj, fn) { Object.keys(obj).forEach(function(name, index) { fn(obj[name], name, index); }); } if (cluster.isWorker) { var http = require('http'); http.Server(function() { }).listen(common.PORT, '127.0.0.1'); } else if (cluster.isMaster) { var checks = { cluster: { events: { fork: false, online: false, listening: false, exit: false }, equal: { fork: false, online: false, listening: false, exit: false } }, worker: { events: { online: false, listening: false, exit: false }, equal: { online: false, listening: false, exit: false }, states: { none: false, online: false, listening: false, dead: false } } }; var worker; var stateNames = Object.keys(checks.worker.states); //Check events, states, and emit arguments forEach(checks.cluster.events, function(bool, name, index) { //Listen on event cluster.on(name, function(/* worker */) { //Set event checks.cluster.events[name] = true; //Check argument checks.cluster.equal[name] = worker === arguments[0]; //Check state var state = stateNames[index]; checks.worker.states[state] = (state === worker.state); }); }); //Kill worker when listening cluster.on('listening', function() { worker.kill(); }); //Kill process when worker is killed cluster.on('exit', function() { process.exit(0); }); //Create worker worker = cluster.fork(); assert.equal(worker.id, 1); assert.ok(worker instanceof cluster.Worker, 'the worker is not a instance of the Worker constructor'); //Check event forEach(checks.worker.events, function(bool, name, index) { worker.on(name, function() { //Set event checks.worker.events[name] = true; //Check argument checks.worker.equal[name] = (worker === this); switch (name) { case 'exit': assert.equal(arguments[0], worker.process.exitCode); assert.equal(arguments[1], worker.process.signalCode); assert.equal(arguments.length, 2); break; case 'listening': assert.equal(arguments.length, 1); var expect = { address: '127.0.0.1', port: common.PORT, addressType: 4, fd: undefined }; assert.deepStrictEqual(arguments[0], expect); break; default: assert.equal(arguments.length, 0); break; } }); }); //Check all values process.once('exit', function() { //Check cluster events forEach(checks.cluster.events, function(check, name) { assert.ok(check, 'The cluster event "' + name + '" on the cluster ' + 'object did not fire'); }); //Check cluster event arguments forEach(checks.cluster.equal, function(check, name) { assert.ok(check, 'The cluster event "' + name + '" did not emit ' + 'with correct argument'); }); //Check worker states forEach(checks.worker.states, function(check, name) { assert.ok(check, 'The worker state "' + name + '" was not set to true'); }); //Check worker events forEach(checks.worker.events, function(check, name) { assert.ok(check, 'The worker event "' + name + '" on the worker object ' + 'did not fire'); }); //Check worker event arguments forEach(checks.worker.equal, function(check, name) { assert.ok(check, 'The worker event "' + name + '" did not emit with ' + 'corrent argument'); }); }); }