create-fastify-app/test/helpers/inputify.js

A Fastify application generator

'use strict'

var spawn = require('child_process').spawn
var concat = require('concat-stream')

module.exports.run = function (args, combo, timeout) {
  if (!timeout) {
    timeout = 700
  }

  var proc = spawn('node', args, { stdio: [null, null, null] })
  proc.stdin.setEncoding('utf-8')

  var loop = function (combo) {
    if (combo.length > 0) {
      setTimeout(function () {
        proc.stdin.write(combo[0])
        loop(combo.slice(1))
      }, timeout)
    } else {
      setTimeout(() => {
        proc.stdin.end()
      }, 1000)
    }
  }

  loop(combo)

  return new Promise(function (resolve) {
    proc.stdout.pipe(concat(function (result) {
      resolve(result.toString())
    }))
  })
}

module.exports.DOWN = '\x1B\x5B\x42'
module.exports.UP = '\x1B\x5B\x41'
module.exports.ENTER = '\x0D'
module.exports.SPACE = '\x20'