1// Copyright Joyent, Inc. and other Node contributors.
2//
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4// copy of this software and associated documentation files (the
5// "Software"), to deal in the Software without restriction, including
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8// persons to whom the Software is furnished to do so, subject to the
9// following conditions:
10//
11// The above copyright notice and this permission notice shall be included
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13//
14// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
15// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
16// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
17// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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20// USE OR OTHER DEALINGS IN THE SOFTWARE.
21
22'use strict';
23require('../common');
24
25// This test checks that arguments provided to cluster.fork() will create
26// new environment variables and override existing environment variables
27// in the created worker process.
28
29const assert = require('assert');
30const cluster = require('cluster');
31
32if (cluster.isWorker) {
33  const result = cluster.worker.send({
34    prop: process.env.cluster_test_prop,
35    overwrite: process.env.cluster_test_overwrite
36  });
37
38  assert.strictEqual(result, true);
39} else if (cluster.isPrimary) {
40
41  const checks = {
42    using: false,
43    overwrite: false
44  };
45
46  // To check that the cluster extend on the process.env we will overwrite a
47  // property
48  process.env.cluster_test_overwrite = 'old';
49
50  // Fork worker
51  const worker = cluster.fork({
52    'cluster_test_prop': 'custom',
53    'cluster_test_overwrite': 'new'
54  });
55
56  // Checks worker env
57  worker.on('message', function(data) {
58    checks.using = (data.prop === 'custom');
59    checks.overwrite = (data.overwrite === 'new');
60    process.exit(0);
61  });
62
63  process.once('exit', function() {
64    assert.ok(checks.using, 'The worker did not receive the correct env.');
65    assert.ok(
66      checks.overwrite,
67      'The custom environment did not overwrite the existing environment.');
68  });
69
70}
71