marko/packages/runtime-class/test/components-browser/fixtures/rerender-destroy-incompatible/test.js

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

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

  expect(component.el.innerHTML).to.contain("foo");
  expect(component.el.innerHTML).to.not.contain("bar");

  var foo = component.getComponent("child");
  expect(foo.isDestroyed()).to.equal(false);

  component.state.target = "bar";
  component.update();

  expect(foo.isDestroyed()).to.equal(true);

  var bar = component.getComponent("child");
  expect(bar.isDestroyed()).to.equal(false);

  expect(component.el.innerHTML).to.not.contain("foo");
  expect(component.el.innerHTML).to.contain("bar");
};