test/parallel/test-cluster-net-listen-relative-path.js


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

'use strict';
const common = require('../common');

if (common.isWindows)
  common.skip('On Windows named pipes live in their own ' +
              'filesystem and don\'t have a ~100 byte limit');
if (!common.isMainThread)
  common.skip('process.chdir is not available in Workers');

const assert = require('assert');
const cluster = require('cluster');
const fs = require('fs');
const net = require('net');
const path = require('path');

const tmpdir = require('../common/tmpdir');

// Choose a socket name such that the absolute path would exceed 100 bytes.
const socketDir = './unix-socket-dir';
const socketName = 'A'.repeat(100 - socketDir.length - 1);

// Make sure we're not in a weird environment.
assert.ok(path.resolve(socketDir, socketName).length > 100,
          'absolute socket path should be longer than 100 bytes');

if (cluster.isMaster) {
  // Ensure that the worker exits peacefully.
  tmpdir.refresh();
  process.chdir(tmpdir.path);
  fs.mkdirSync(socketDir);
  cluster.fork().on('exit', common.mustCall((statusCode) => {
    assert.strictEqual(statusCode, 0);

    assert.ok(!fs.existsSync(path.join(socketDir, socketName)),
              'Socket should be removed when the worker exits');
  }));
} else {
  process.chdir(socketDir);

  const server = net.createServer(common.mustNotCall());

  server.listen(socketName, common.mustCall(() => {
    assert.ok(fs.existsSync(socketName), 'Socket created in CWD');

    process.disconnect();
  }));
}