@fastify/reply-from/test/undici-connect-timeout.test.js

forward your HTTP request to another server, for fastify

'use strict'

const t = require('node:test')
const http = require('node:http')
const net = require('node:net')
const Fastify = require('fastify')
const From = require('..')
const { request, Agent } = require('undici')

t.test('undici connect timeout', async (t) => {
// never connect
  net.connect = function (options) {
    return new net.Socket(options)
  }

  const target = http.createServer(() => {
    t.fail('target never called')
  })

  t.plan(2)
  await new Promise(resolve => target.listen({ port: 0 }, resolve))

  const instance = Fastify()
  t.after(() => instance.close())
  t.after(() => target.close())

  instance.register(From, {
    base: `http://localhost:${target.address().port}`,
    undici: {
      connectTimeout: 50
    }
  })

  instance.get('/', (_request, reply) => {
    reply.from()
  })

  await instance.listen({ port: 0 })

  try {
    await request(`http://localhost:${instance.server.address().port}/`, {
      dispatcher: new Agent({
        pipelining: 0,
        connectTimeout: 10
      })
    })
  } catch (err) {
    t.assert.strictEqual(err.code, 'UND_ERR_CONNECT_TIMEOUT')
    t.assert.strictEqual(err.name, 'ConnectTimeoutError')
    return
  }

  t.fail()
})