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nodejs/test/parallel/test-cluster-setup-master.js
Jean-Baptiste Brossard e8a2438cb6 test: refactor test-cluster-setup-master
- use mustCall instead of counters
- include totalWorkers and settings in the error messages

PR-URL: https://github.com/nodejs/node/pull/16065
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com>
Reviewed-By: Yuta Hiroto <hello@about-hiroppy.com>
2017-10-15 10:18:45 +08:00

94 lines
2.8 KiB
JavaScript

// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.
'use strict';
const common = require('../common');
const assert = require('assert');
const cluster = require('cluster');
if (cluster.isWorker) {
// Just keep the worker alive
process.send(process.argv[2]);
} else if (cluster.isMaster) {
const checks = {
args: false,
setupEvent: false,
settingsObject: false
};
const totalWorkers = 2;
let settings;
// Setup master
cluster.setupMaster({
args: ['custom argument'],
silent: true
});
cluster.once('setup', function() {
checks.setupEvent = true;
settings = cluster.settings;
if (settings &&
settings.args && settings.args[0] === 'custom argument' &&
settings.silent === true &&
settings.exec === process.argv[1]) {
checks.settingsObject = true;
}
});
let correctInput = 0;
cluster.on('online', common.mustCall(function listener(worker) {
worker.once('message', function(data) {
correctInput += (data === 'custom argument' ? 1 : 0);
if (correctInput === totalWorkers) {
checks.args = true;
}
worker.kill();
});
}, totalWorkers));
// Start all workers
cluster.fork();
cluster.fork();
// Check all values
process.once('exit', function() {
const argsMsg = 'Arguments was not send for one or more worker. ' +
`${correctInput} workers receive argument, ` +
`but ${totalWorkers} were expected.`;
assert.ok(checks.args, argsMsg);
assert.ok(checks.setupEvent, 'The setup event was never emitted');
const settingObjectMsg = 'The settingsObject do not have correct ' +
`properties : ${JSON.stringify(settings)}`;
assert.ok(checks.settingsObject, settingObjectMsg);
});
}