|
| 1 | +'use strict' |
| 2 | + |
| 3 | +const { test } = require('node:test') |
| 4 | +const { spawn } = require('node:child_process') |
| 5 | +const { once } = require('node:events') |
| 6 | +const { join } = require('node:path') |
| 7 | +const { WebSocketServer } = require('ws') |
| 8 | + |
| 9 | +function waitForExit (child, timeout) { |
| 10 | + return new Promise((resolve, reject) => { |
| 11 | + const timer = setTimeout(() => { |
| 12 | + reject(new Error('Child process did not exit after WebSocket was unrefed')) |
| 13 | + }, timeout) |
| 14 | + |
| 15 | + child.once('error', (error) => { |
| 16 | + clearTimeout(timer) |
| 17 | + reject(error) |
| 18 | + }) |
| 19 | + |
| 20 | + child.once('exit', (code, signal) => { |
| 21 | + clearTimeout(timer) |
| 22 | + resolve({ code, signal }) |
| 23 | + }) |
| 24 | + }) |
| 25 | +} |
| 26 | + |
| 27 | +test('process.unref allows the process to exit with an open WebSocket', async (t) => { |
| 28 | + const server = new WebSocketServer({ port: 0 }) |
| 29 | + let connected = false |
| 30 | + server.once('connection', () => { |
| 31 | + connected = true |
| 32 | + }) |
| 33 | + await once(server, 'listening') |
| 34 | + |
| 35 | + t.after(() => server.close()) |
| 36 | + |
| 37 | + const url = `ws://127.0.0.1:${server.address().port}` |
| 38 | + const undici = join(__dirname, '../..') |
| 39 | + const child = spawn(process.execPath, ['-e', ` |
| 40 | + const { WebSocket } = require(${JSON.stringify(undici)}) |
| 41 | + const ws = new WebSocket(${JSON.stringify(url)}) |
| 42 | + if (typeof ws[Symbol.for('nodejs.ref')] !== 'function' || |
| 43 | + typeof ws[Symbol.for('nodejs.unref')] !== 'function') { |
| 44 | + throw new Error('WebSocket does not implement the Refable protocol') |
| 45 | + } |
| 46 | + ws.addEventListener('open', () => { |
| 47 | + process.unref(ws) |
| 48 | + process.ref(ws) |
| 49 | + process.unref(ws) |
| 50 | + }) |
| 51 | + `], { stdio: 'ignore' }) |
| 52 | + |
| 53 | + t.after(() => child.kill()) |
| 54 | + |
| 55 | + const { code, signal } = await waitForExit(child, 5000) |
| 56 | + |
| 57 | + t.assert.strictEqual(connected, true) |
| 58 | + t.assert.strictEqual(code, 0) |
| 59 | + t.assert.strictEqual(signal, null) |
| 60 | +}) |
0 commit comments