DOM event listener test

gistfile1.js

suite("PickUserView");

test('when clicking the close button, the view gets closed', function() {
  var view, viewCloseSpy;
  
  // The function we expect to be called on close
  viewCloseSpy = sinon.spy(ChooseUserView.prototype, 'close');
  
  view = new ChooseUserView();
  view.render();
  
  // Trigger the click event on the DOM element
  view.$el.find('.close').trigger('click');
  
  // Stop spying
  viewCloseSpy.restore();
  
  assert.ok(
    viewCloseSpy.calledOnce,
    "Expected viewCloseSpy to be called once but was called " + viewCloseSpy.callCount + " times"
  );
});