smartevent/test/test.ts

import { expect, tap } from '@pushrocks/tapbundle';

import * as smartevent from '../ts/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 (tools) => {
  const oncePromise = smartevent.once(myEventEmitter, 'customEvent');
  expect(oncePromise).to.be.instanceof(Promise);
  expect(oncePromise).to.not.be.rejected;
  myEventEmitter.emit('customEvent', 'hithere');
  await expect(oncePromise).to.eventually.be.fulfilled.with.equal('hithere');
});

tap.start();