nodejs/test/parallel/test-cluster-fork-env.js

71 lines
2.3 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';
require('../common');
// This test checks that arguments provided to cluster.fork() will create
// new environment variables and override existing environment variables
// in the created worker process.
const assert = require('assert');
const cluster = require('cluster');
if (cluster.isWorker) {
const result = cluster.worker.send({
prop: process.env.cluster_test_prop,
overwrite: process.env.cluster_test_overwrite
});
assert.strictEqual(result, true);
} else if (cluster.isMaster) {
const checks = {
using: false,
overwrite: false
};
// To check that the cluster extend on the process.env we will overwrite a
// property
process.env.cluster_test_overwrite = 'old';
// Fork worker
const worker = cluster.fork({
'cluster_test_prop': 'custom',
'cluster_test_overwrite': 'new'
});
// Checks worker env
worker.on('message', function(data) {
checks.using = (data.prop === 'custom');
checks.overwrite = (data.overwrite === 'new');
process.exit(0);
});
process.once('exit', function() {
assert.ok(checks.using, 'The worker did not receive the correct env.');
assert.ok(
checks.overwrite,
'The custom environment did not overwrite the existing environment.');
});
}