generator-react-webpack/templates/common/root/test/helpers/createComponent.js

/**
 * Function to get the shallow output for a given component
 * As we are using phantom.js, we also need to include the fn.proto.bind shim!
 *
 * @see http://simonsmith.io/unit-testing-react-components-without-a-dom/
 * @author somonsmith
 */

// Add missing methods to phantom.js
import './pack/phantomjs-shims';

import React from 'react/addons';
const TestUtils = React.addons.TestUtils;

/**
 * Get the shallow rendered component
 *
 * @param  {Object} component The component to return the output for
 * @param  {Object} props [optional] The components properties
 * @param  {Mixed} ...children [optional] List of children
 * @return {Object} Shallow rendered output
 */
export default function createComponent(component, props = {}, ...children) {
  const shallowRenderer = TestUtils.createRenderer();
  shallowRenderer.render(React.createElement(component, props, children.length > 1 ? children : children[0]));
  return shallowRenderer.getRenderOutput();
}