import { expect, tap } from 'tapbundle'

import * as smartevent from '../dist/index'

let myEventEmitter: smartevent.EventEmitter

tap.test('should create an emitter ->', async () => {
  myEventEmitter = new smartevent.EventEmitter()
  expect(myEventEmitter).to.be.instanceof(smartevent.EventEmitter)
})

tap.test('smartevent.once -> should return a promise', async () => {
  let oncePromise = smartevent.once(myEventEmitter, 'customEvent')
  expect(oncePromise).to.be.instanceof(Promise)
  expect(oncePromise).to.not.be.fulfilled
  myEventEmitter.emit('customEvent')
  await expect(oncePromise).to.eventually.be.fulfilled
})

tap.start()