url-slugify/tests/slugify.js

Creates SEO friendly URL slugs with multiple language support

const chai = require('chai');

const URLSlug = require('../src/URLSlugify');

const expect = chai.expect;


describe('Slugify', () => {
  describe('Ensure slugs are generated from strings', () => {

    const urlSlug = new URLSlug();

    it('should replace whitespaces with replacement', () => {
      expect(urlSlug.slugify('this is a test title', '-').indexOf('this-is-a-test-title')).to.not.eql(-1);
    });

    it('should remove trailing space if any', () => {
      expect(urlSlug.slugify('this is a test title ').indexOf('this-is-a-test-title')).to.not.eql(-1);
    });

    it('should remove not allowed characters', () => {
      expect(urlSlug.slugify('this. is. a test title').indexOf('this-is-a-test-title')).to.not.eql(-1);
      expect(urlSlug.slugify('this] is[ a test title').indexOf('this-is-a-test-title')).to.not.eql(-1);
      expect(urlSlug.slugify('this& is&& a &&test title').indexOf('this-is-a-test-title')).to.not.eql(-1);
      expect(urlSlug.slugify('£!+this /$&()is a. test >><<:;title').indexOf('this-is-a-test-title')).to.not.eql(-1);
    });

    it('should slugify title using optional separators \'_\' or \'~\'', () => {
      expect(urlSlug.slugify('this is a test title', '_').indexOf('this_is_a_test_title')).to.not.eql(-1);
      expect(urlSlug.slugify('this is a test title', '~').indexOf('this~is~a~test~title')).to.not.eql(-1);
    });

    it('should remove all whitespaces using the optional \'\'\'\' separator', () => {
      expect(urlSlug.slugify('this is a test title', '\'\'').indexOf('thisisatesttitle')).to.not.eql(-1);
    });

    it('should replace accents characters with seo-friendly options', () => {
      expect(urlSlug.slugify('thís îs ã tést tìtlẽ', '-').indexOf('this-is-a-test-title')).to.not.eql(-1);
    });


  });
});