child process testing

hello.js

'use strict'

const minwhere = require('minwhere')
const test = require('tapes')
const exit = require('exit')

const cache = minwhere.resourceCache

test('Overall cache test', t => {
  cache.on('ready', () => {
    let url = `${__dirname}/../resources/labda.mesh`

    t.pass('ready')

    cache.add(url, err => {
      if (err) {
        t.error(err, 'added')
        exit.fail()
        return
      }

      t.pass('added')

      cache.setup([ url ], err => {
        if (err) {
          t.error(err, 'setup')
          exit.fail()
          return
        }

        t.pass('setup')
        t.end()
        exit.ok()
      })
    })
  })
})

index.js

'use strict'

const test = require('tapes')
const run = require('../../tools/utils/runner')()

test('Native', t => {
  run(`${__dirname}/hello.js`, next => next())

  run(`${__dirname}/objects.js`, next => t.end())
})

runner.js

'use strict'

const spawn = require('child_process').spawn
const path = require('path')

module.exports = function () {
  let runs = []
  var first = true

  return (url, cb) => {
    runs.push(() => {
      let mw = spawn('minwhere',[ url, '-t' ])

      mw.stdout.on('data', data => console.log(data.toString()))

      mw.on('close', code => cb(() => runs.shift()()))
    })

    if (first) {
      first = false
      runs.shift()()
    }
  }
}