// Copyright Joyent, Inc. and other Node contributors.
//
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// 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,
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// 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
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// 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.');
  });

}