peterbe__dos-bombard-rate-limit-test.js

import got from 'got'

async function main() {
  const N = 300
  const t0 = Date.now()
  const responses = await Promise.all(
    Array.from(Array(N).keys()).map(async (i) => {
      // const r = await got(`https://docs.github.com/en/search?query=${Math.random()}`, {
      const r = await got(`https://docs.github.com/healthz-${Math.random()}`, {
        // const r = await got(`https://docs.github.com/healthz-`, {
        // const r = await got(`http://localhost:4000/healthz?query=${Math.random()}`, {
        // const r = await got(`http://localhost:4000/en/search?xxx=${Math.random()}`, {
        // const r = await got(`https://docs.github.com/healthz`, {
        retry: { limit: 0 },
        // headers: {
        //   food: 'beans',
        // },
        throwHttpErrors: false,
      })

      console.log(r.statusCode, r.headers['x-cache'], r.headers['content-type'])
      // if (r.statusCode === 429) {
      //   console.log(r.headers)
      //   //   console.log(r.body)
      // }
      // console.log(r.body)
      // throw new Error('stop')
      return r
    })
  )
  const t1 = Date.now()
  // const timingsByCode = {}
  // for (const r of responses) {
  //   if (!timingsByCode[r.statusCode]) {
  //     timingsByCode[r.statusCode] = []
  //   }
  //   timingsByCode[r.statusCode].push(r.timings.phases.total)
  // }
  const codes = responses.map((r) => r.statusCode)
  if (codes.length) {
    console.log('\n')
    const sum = codes.length
    console.log('Total requests:', sum)
    for (const code of new Set(codes)) {
      console.log(
        ' ',
        code,
        codes.filter((c) => c === code).length,
        `${((100 * codes.filter((c) => c === code).length) / sum).toFixed(1)}%`
        // 'median response time:'
        // `${median(timingsByCode[code]).toFixed(1)}ms`
      )
    }
  }
  console.log('Total time', t1 - t0, 'ms', 'avg', (t1 - t0) / N, 'ms')
}

main()

function median(numbers) {
  return numbers.sort((a, b) => a - b)[Math.floor(numbers.length / 2)]
}