body-limit.test.js — fastify Source File

Source Code

'use strict'

const Fastify = require('../fastify')
const zlib = require('node:zlib')
const { test } = require('node:test')

test('bodyLimit', async t => {
  t.plan(4)

  try {
    Fastify({ bodyLimit: 1.3 })
    t.assert.fail('option must be an integer')
  } catch (err) {
    t.assert.ok(err)
  }

  try {
    Fastify({ bodyLimit: [] })
    t.assert.fail('option must be an integer')
  } catch (err) {
    t.assert.ok(err)
  }

  const fastify = Fastify({ bodyLimit: 1 })

  fastify.post('/', (request, reply) => {
    reply.send({ error: 'handler should not be called' })
  })

  const fastifyServer = await fastify.listen({ port: 0 })
  t.after(() => { fastify.close() })

  const result = await fetch(fastifyServer, {
    method: 'POST',
    headers: { 'Content-Type': 'application/json' },
    body: JSON.stringify([])
  })

  t.assert.ok(!result.ok)
  t.assert.strictEqual(result.status, 413)
})

test('bodyLimit is applied to decoded content', async (t) => {
  t.plan(6)

  const body = { x: 'x'.repeat(30000) }
  const json = JSON.stringify(body)
  const encoded = zlib.gzipSync(json)

  const fastify = Fastify()

  fastify.addHook('preParsing', async (req, reply, payload) => {
    t.assert.strictEqual(req.headers['content-length'], `${encoded.length}`)
    const unzip = zlib.createGunzip()
    Object.defineProperty(unzip, 'receivedEncodedLength', {
      get () {
        return unzip.bytesWritten
      }
    })
    payload.pipe(unzip)
// ... (165 more lines)