marko/packages/runtime-class/test/components-browser/fixtures/event-detach-el/test.js

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

module.exports = function (helpers) {
  var component = helpers.mount(require.resolve("./index"), {
    colors: ["red", "green", "blue"],
  });

  expect(component.events.length).to.equal(0);

  component.input = {
    colors: ["red", "blue"],
  };

  component.update();

  expect(component.events.length).to.equal(1);
  expect(component.events[0].color).to.equal("green");
  expect(component.events[0].node.innerHTML).to.contain("green");

  component.input = {
    colors: ["red"],
  };

  component.update();

  expect(component.events.length).to.equal(2);
  expect(component.events[1].color).to.equal("blue");
  expect(component.events[1].node.innerHTML).to.contain("blue");
};