marko/packages/runtime-class/test/components-browser/fixtures/component-stateful-update/test.js

var expect = require("chai").expect;

module.exports = function (helpers) {
  var component = helpers.mount(require.resolve("./index"), {
    size: "large",
    label: "Initial Label",
  });

  expect(component.el.className).to.contain("large");

  component.setSize("small");
  component.update();

  expect(component.el.className).to.contain("small");
};