marko/packages/runtime-class/test/components-browser/fixtures/event-detach-remove-nested-component-middle/test.js

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

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

  expect(helpers.targetEl.querySelectorAll(".color").length).to.equal(3);

  var redComponent = component.getComponent("red");
  var greenComponent = component.getComponent("green");
  var blueComponent = component.getComponent("blue");

  var redEl = redComponent.getEl("root");
  var greenEl = greenComponent.getEl("root");
  var blueEl = blueComponent.getEl("root");

  var ul = component.getEl("root");
  expect(ul != null).to.equal(true);

  expect(redEl.parentNode).to.equal(ul);
  expect(greenEl.parentNode).to.equal(ul);
  expect(blueEl.parentNode).to.equal(ul);

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

  expect(redEl.parentNode).to.equal(ul);
  expect(greenEl.parentNode).to.equal(ul);
  expect(blueEl.parentNode).to.equal(ul);

  expect(helpers.targetEl.querySelectorAll(".color").length).to.equal(3);

  expect(redComponent.detachEvent == null).to.equal(true);
  expect(greenComponent.detachEvent != null).to.equal(true);
  expect(blueComponent.detachEvent == null).to.equal(true);

  greenComponent.detachEvent.detach();

  expect(helpers.targetEl.querySelectorAll(".color").length).to.equal(2);
};