File: test-cluster-fork-env.js

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// 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.


var common = require('../common');
var assert = require('assert');
var cluster = require('cluster');

if (cluster.isWorker) {
  cluster.worker.send({
    prop: process.env['cluster_test_prop'],
    overwrite: process.env['cluster_test_overwrite']
  });

} else if (cluster.isMaster) {

  var 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
  var 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.');
  });

}