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

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

module.exports = function (helpers) {
  var component = helpers.mount(require.resolve("./index"), {});

  var el = component.el;
  var originalH1Html = el.querySelector("h1").innerHTML;

  expect(el.innerHTML).to.contain("alert alert-success");

  // The inner HTML for the H1 should not change since only the body content changed
  component.setAlertMessage("Hello Universe");
  component.update();

  expect(el.querySelector("h1").innerHTML).to.equal(originalH1Html);
  expect(el.querySelector("h1").innerHTML).to.contain("success");
  expect(el.querySelector(".alert").className).to.contain(
    "alert alert-success",
  );

  // The inner HTML for the H1 should change since the state of the alert component changed
  component.setAlertType("failure");
  component.update();

  expect(el.querySelector("h1").innerHTML).to.not.equal(originalH1Html);
  expect(el.querySelector("h1").innerHTML).to.contain("failure");
  expect(el.querySelector(".alert").className).to.contain(
    "alert alert-failure",
  );
};