marko/packages/runtime-class/test/components-browser/fixtures/custom-events/test.js

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

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

  var testEventFired = false;

  component.getComponent("bar").on("testEvent", function (a, b) {
    expect(a).to.equal("a");
    expect(b).to.equal("b");
    testEventFired = true;
  });

  component.getComponent("bar").emitTestEvent();

  expect(testEventFired).to.equal(true);
};