text: import highlight from '~/lib/utils/highlight';
  
  describe('highlight', () => {
    it(`should appropriately surround substring matches`, () => {
      const expected = 'g<b>i</b><b>t</b>lab';
  
      expect(highlight('gitlab', 'it')).toBe(expected);
    });
  
    it(`should return an empty string in the case of invalid inputs`, () => {
      [null, undefined].forEach(input => {
        expect(highlight(input, 'match')).toBe('');
      });
    });
  
    it(`should return the original value if match is null, undefined, or ''`, () => {
      [null, undefined].forEach(match => {
        expect(highlight('gitlab', match)).toBe('gitlab');
      });
    });
  
    it(`should highlight matches in non-string inputs`, () => {
      const expected = '123<b>4</b><b>5</b>6';
  
      expect(highlight(123456, 45)).toBe(expected);
    });
  
    it(`should sanitize the input string before highlighting matches`, () => {
      const expected = 'hello <b>w</b>orld';
  
      expect(highlight('hello <b>world</b>', 'w')).toBe(expected);
    });
  
    it(`should not highlight anything if no matches are found`, () => {
      expect(highlight('gitlab', 'hello')).toBe('gitlab');
    });
  
    it(`should allow wrapping elements to be customized`, () => {
      const expected = '1<hello>2</hello>3';
  
      expect(highlight('123', '2', '<hello>', '</hello>')).toBe(expected);
    });
  });
  