inspector: bind to random port with --inspect=0 · nodejs/node@cc6ec2f
1+'use strict';
2+3+const { mustCall } = require('../common');
4+const assert = require('assert');
5+const { URL } = require('url');
6+const { spawn } = require('child_process');
7+8+function test(arg) {
9+const args = [arg, '-p', 'process.debugPort'];
10+const proc = spawn(process.execPath, args);
11+proc.stdout.setEncoding('utf8');
12+proc.stderr.setEncoding('utf8');
13+let stdout = '';
14+let stderr = '';
15+proc.stdout.on('data', (data) => stdout += data);
16+proc.stderr.on('data', (data) => stderr += data);
17+proc.stdout.on('close', assert.ifError);
18+proc.stderr.on('close', assert.ifError);
19+let port = '';
20+proc.stderr.on('data', () => {
21+if (!stderr.includes('\n')) return;
22+assert(/Debugger listening on (.+)/.test(stderr));
23+port = new URL(RegExp.$1).port;
24+assert(+port > 0);
25+});
26+if (/inspect-brk/.test(arg)) {
27+proc.stderr.on('data', () => {
28+if (stderr.includes('\n') && !proc.killed) proc.kill();
29+});
30+} else {
31+let onclose = () => {
32+onclose = () => assert.strictEqual(port, stdout.trim());
33+};
34+proc.stdout.on('close', mustCall(() => onclose()));
35+proc.stderr.on('close', mustCall(() => onclose()));
36+proc.on('exit', mustCall((exitCode) => assert.strictEqual(exitCode, 0)));
37+}
38+}
39+40+test('--inspect=0');
41+test('--inspect=127.0.0.1:0');
42+test('--inspect=localhost:0');
43+44+test('--inspect-brk=0');
45+test('--inspect-brk=127.0.0.1:0');
46+test('--inspect-brk=localhost:0');