/** * Copyright 2013-present, Facebook, Inc. * All rights reserved. * * This source code is licensed under the BSD-style license found in the * LICENSE file in the root directory of this source tree. An additional grant * of patent rights can be found in the PATENTS file in the same directory. * * @emails react-core */ 'use strict'; jest .unmock('EventPluginHub') .mock('isEventSupported'); describe('EventPluginHub', function() { var EventPluginHub; var isEventSupported; beforeEach(function() { jest.resetModuleRegistry(); EventPluginHub = require('EventPluginHub'); isEventSupported = require('isEventSupported'); isEventSupported.mockReturnValueOnce(false); }); it('should prevent non-function listeners', function() { expect(function() { EventPluginHub.putListener(1, 'onClick', 'not a function'); }).toThrowError( 'Expected onClick listener to be a function, instead got type string' ); }); });