test/content/components/common/follow.test.ts


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import FollowComponent from 'content/components/common/follow';

describe('FollowComponent', () => {
  describe('#getTargetElements', () => {
    beforeEach(() => {
      document.body.innerHTML = __html__['test/content/components/common/follow.html'];
    });

    it('returns visible links', () => {
      let targets = FollowComponent.getTargetElements(
        window,
        { width: window.innerWidth, height: window.innerHeight },
        { x: 0, y: 0 });
      expect(targets).to.have.lengthOf(4);

      let ids = Array.prototype.map.call(targets, (e) => e.id);
      expect(ids).to.include.members([
        'visible_a',
        'editable_div_1',
        'editable_div_2',
        'summary_1',
      ]);
    });
  });
});