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'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.deepEqual(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');
});
});
}