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

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

module.exports = function (helpers) {
  var states = {
    original: {
      heading: "original colors",
      message: "These are primary colors!",
      colors: ["red", "green", "blue"],
    },
    new: {
      heading: "new colors",
      colors: ["orange", "yellow", "purple"],
    },
  };

  var component = helpers.mount(require.resolve("./index"), states.original);

  expect(component.state.heading).to.equal(states.original.heading);
  expect(component.state.message).to.equal(states.original.message);
  expect(component.state.colors).to.deep.equal(states.original.colors);

  component.replaceState(states.new);
  component.update();

  expect(component.state.heading).to.equal(states.new.heading);
  expect(component.state.message).to.equal(states.new.message); // undefined
  expect(component.state.colors).to.deep.equal(states.new.colors);
};