listen.4.test.js — fastify Source File

Architecture documentation for listen.4.test.js, a javascript file in the fastify codebase.

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CoreKernel→ InstanceFactory→ listen.4.test.js — fastify Source File

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Source Code

'use strict'

const { test, before } = require('node:test')
const dns = require('node:dns').promises
const dnsCb = require('node:dns')
const Fastify = require('../fastify')
const helper = require('./helper')

let localhostForURL

function getUrl (fastify, lookup) {
  const { port } = fastify.server.address()
  if (lookup.family === 6) {
    return `http://[${lookup.address}]:${port}/`
  } else {
    return `http://${lookup.address}:${port}/`
  }
}

before(async function () {
  [, localhostForURL] = await helper.getLoopbackHost()
})

test('listen twice on the same port without callback rejects', (t, done) => {
  t.plan(1)
  const fastify = Fastify()
  t.after(() => fastify.close())

  fastify.listen({ port: 0 })
    .then(() => {
      const server2 = Fastify()
      t.after(() => server2.close())
      server2.listen({ port: fastify.server.address().port })
        .catch(err => {
          t.assert.ok(err)
          done()
        })
    })
    .catch(err => {
      t.assert.ifError(err)
    })
})

test('listen twice on the same port without callback rejects with (address)', (t, done) => {
  t.plan(2)
  const fastify = Fastify()
  t.after(() => fastify.close())
  fastify.listen({ port: 0 })
    .then(address => {
      const server2 = Fastify()
      t.after(() => server2.close())
      t.assert.strictEqual(address, `http://${localhostForURL}:${fastify.server.address().port}`)

      server2.listen({ port: fastify.server.address().port })
        .catch(err => {
          t.assert.ok(err)
          done()
        })
    })
    .catch(err => {
// ... (109 more lines)