import { DebugElement }           from '@angular/core';
import { tick, ComponentFixture } from '@angular/core/testing';

export * from './router-stubs';

export function advance(f: ComponentFixture<any>): void {
  tick();
  f.detectChanges();
}

export function newEvent(eventName: string, bubbles = false, cancelable = false) {
  let evt = document.createEvent('CustomEvent');  // MUST be 'CustomEvent'
  evt.initCustomEvent(eventName, bubbles, cancelable, null);
  return evt;
}

export const ButtonClickEvents = {
   left:  { button: 0 },
   right: { button: 2 }
};

export function click(el: DebugElement | HTMLElement, eventObj: any = ButtonClickEvents.left): void {
  if (el instanceof HTMLElement) {
    el.click();
  } else {
    el.triggerEventHandler('click', eventObj);
  }
}