discourse/test/javascripts/admin/controllers/admin-customize-themes-test.js.es6

import { mapRoutes } from 'discourse/mapping-router';
import Theme from 'admin/models/theme';

moduleFor('controller:admin-customize-themes', {
  beforeEach() {
    this.registry.register('router:main', mapRoutes());
  },
  needs: ['controller:adminUser']
});

QUnit.test("can list sorted themes", function(assert) {

  const defaultTheme = Theme.create({id: 2, 'default': true, name: 'default'});
  const userTheme = Theme.create({id: 3, 'user_selectable': true, name: 'name'});
  const strayTheme1 = Theme.create({id: 4, name: 'stray1'});
  const strayTheme2 = Theme.create({id: 5, name: 'stray2'});

  const controller = this.subject({
    model:
      {
        content: [strayTheme2, strayTheme1, userTheme, defaultTheme]
      }
  });


  assert.deepEqual(controller.get('sortedThemes').map(t=>t.get('name')), [
    defaultTheme,
    userTheme,
    strayTheme1,
    strayTheme2
  ].map(t=>t.get('name')), "sorts themes correctly");
});