text: import getLatestNewsItems from './get-latest-news-items';
  
  describe('getLatestNewsItems', () => {
    const response = {
      items: [
        {
          url: '/_news/news-item-1',
          date_modified: '2020-04-29T00:00:00.000Z',
        },
        {
          url: '/_news/news-item-2',
          date_modified: '2020-04-28T00:00:00.000Z',
        },
        {
          url: '/_news/news-item-3',
          date_modified: '2020-04-27T00:00:00.000Z',
        },
      ],
    };
  
    it('should return all newsItems from response when newsLastUpdated is undefined.', () => {
      const newsLastUpdated = undefined;
      const output = getLatestNewsItems({ newsLastUpdated, response });
  
      expect(output).toEqual([
        {
          url: '/news/news-item-1',
          date_modified: '2020-04-29T00:00:00.000Z',
        },
        {
          url: '/news/news-item-2',
          date_modified: '2020-04-28T00:00:00.000Z',
        },
        {
          url: '/news/news-item-3',
          date_modified: '2020-04-27T00:00:00.000Z',
        },
      ]);
    });
  
    it('should return a subset of newsItems from response when newsLastUpdated is a date before the latest item in the newsItems list.', () => {
      const newsLastUpdated = '2020-04-27T00:00:00.000Z';
      const output = getLatestNewsItems({ newsLastUpdated, response });
  
      expect(output).toEqual([
        {
          url: '/news/news-item-1',
          date_modified: '2020-04-29T00:00:00.000Z',
        },
        {
          url: '/news/news-item-2',
          date_modified: '2020-04-28T00:00:00.000Z',
        },
      ]);
    });
  
    it('should return an empty newsItems from response when newsLastUpdated matches the date of the latest item.', () => {
      const newsLastUpdated = '2020-04-29T00:00:00.000Z';
      const output = getLatestNewsItems({ newsLastUpdated, response });
  
      expect(output).toEqual([]);
    });
  });
  