var expect = require('chai').expect; module.exports = function(helpers) { var component = helpers.mount(require('./index'), { name: 'Frank' }); var out1 = component.renderArg; component.input = { name: 'John' }; component.update(); var out2 = component.renderArg; expect(out1).to.not.equal(out2); expect(out1.element).to.be.a('function'); expect(out2.element).to.be.a('function'); };