summaryrefslogtreecommitdiff
path: root/test/parallel/test-child-process-fork-args.js
blob: f2f5689d64d6ba781ce82e476a684eae2806da60 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
'use strict';
const common = require('../common');
const fixtures = require('../common/fixtures');
const assert = require('assert');
const { fork } = require('child_process');

// This test check the arguments of `fork` method
// Refs: https://github.com/nodejs/node/issues/20749
const expectedEnv = { foo: 'bar' };

// Ensure that first argument `modulePath` must be provided
// and be of type string
{
  const invalidModulePath = [
    0,
    true,
    undefined,
    null,
    [],
    {},
    () => {},
    Symbol('t')
  ];
  invalidModulePath.forEach((modulePath) => {
    common.expectsError(() => fork(modulePath), {
      code: 'ERR_INVALID_ARG_TYPE',
      type: TypeError,
      message: /^The "modulePath" argument must be of type string/
    });
  });

  const cp = fork(fixtures.path('child-process-echo-options.js'));
  cp.on(
    'exit',
    common.mustCall((code) => {
      assert.strictEqual(code, 0);
    })
  );
}

// Ensure that the second argument of `fork`
// and `fork` should parse options
// correctly if args is undefined or null
{
  const invalidSecondArgs = [
    0,
    true,
    () => {},
    Symbol('t')
  ];
  invalidSecondArgs.forEach((arg) => {
    common.expectsError(
      () => {
        fork(fixtures.path('child-process-echo-options.js'), arg);
      },
      {
        code: 'ERR_INVALID_ARG_VALUE',
        type: TypeError
      }
    );
  });

  const argsLists = [undefined, null, []];

  argsLists.forEach((args) => {
    const cp = fork(fixtures.path('child-process-echo-options.js'), args, {
      env: { ...process.env, ...expectedEnv }
    });

    cp.on(
      'message',
      common.mustCall(({ env }) => {
        assert.strictEqual(env.foo, expectedEnv.foo);
      })
    );

    cp.on(
      'exit',
      common.mustCall((code) => {
        assert.strictEqual(code, 0);
      })
    );
  });
}

// Ensure that the third argument should be type of object if provided
{
  const invalidThirdArgs = [
    0,
    true,
    () => {},
    Symbol('t')
  ];
  invalidThirdArgs.forEach((arg) => {
    common.expectsError(
      () => {
        fork(fixtures.path('child-process-echo-options.js'), [], arg);
      },
      {
        code: 'ERR_INVALID_ARG_VALUE',
        type: TypeError
      }
    );
  });
}