discourse/test/javascripts/models/nav-item-test.js.es6

import createStore from 'helpers/create-store';

QUnit.module("Discourse.NavItem", {
  beforeEach() {
    Ember.run(function() {
      const asianCategory = Discourse.Category.create({name: '确实是这样', id: 343434});
      Discourse.Site.currentProp('categories').addObject(asianCategory);
    });
  }
});

QUnit.test('href', assert =>{
  assert.expect(4);

  function href(text, expected, label) {
    assert.equal(Discourse.NavItem.fromText(text, {}).get('href'), expected, label);
  }

  href('latest', '/latest', 'latest');
  href('categories', '/categories', 'categories');
  href('category/bug', '/c/bug', 'English category name');
  href('category/确实是这样', '/c/343434-category', 'Chinese category name');
});

QUnit.test("count", assert => {
  const navItem = createStore().createRecord("nav-item", { name: "new" });

  assert.equal(navItem.get("count"), 0, "it has no count by default");

  const tracker = navItem.get("topicTrackingState");
  tracker.states["t1"] = { topic_id: 1, last_read_post_number: null };
  tracker.incrementMessageCount();

  assert.equal(navItem.get("count"), 1, "it updates when a new message arrives");
});