node-minecraft-protocol/test/benchmark.js

/* eslint-env mocha */

const ITERATIONS = 10000

const mc = require('../')
const states = mc.states

for (const supportedVersion of mc.supportedVersions) {
  const mcData = require('minecraft-data')(supportedVersion)
  const version = mcData.version
  const positionFlags = mcData.isNewerOrEqualTo('1.21.3') ? { flags: { onGround: true, hasHorizontalCollision: false } } : { onGround: true }
  const testDataWrite = [
    { name: 'keep_alive', params: { keepAliveId: 957759560 } },
    // TODO: 1.19+ `chat` -> `player_chat` feature toggle
    // { name: 'chat', params: { message: '<Bob> Hello World!' } },
    { name: 'position_look', params: { x: 6.5, y: 65.62, stance: 67.24, z: 7.5, yaw: 0, pitch: 0, ...positionFlags } }
    // TODO: add more packets for better quality data
  ]

  describe('benchmark ' + supportedVersion + 'v', function () {
    this.timeout(60 * 1000)
    const inputData = []
    it('bench serializing', function (done) {
      const serializer = mc.createSerializer({ state: states.PLAY, isServer: false, version: version.minecraftVersion })
      let i, j
      console.log('Beginning write test')
      const start = Date.now()
      for (i = 0; i < ITERATIONS; i++) {
        for (j = 0; j < testDataWrite.length; j++) {
          inputData.push(serializer.createPacketBuffer(testDataWrite[j]))
        }
      }
      const result = (Date.now() - start) / 1000
      console.log('Finished write test in ' + result + ' seconds')
      done()
    })

    it('bench parsing', function (done) {
      const deserializer = mc.createDeserializer({ state: states.PLAY, isServer: true, version: version.minecraftVersion })
      console.log('Beginning read test')
      const start = Date.now()
      for (let j = 0; j < inputData.length; j++) {
        deserializer.parsePacketBuffer(inputData[j])
      }
      console.log('Finished read test in ' + (Date.now() - start) / 1000 + ' seconds')
      done()
    })
  })
}