link-sniffer/test/index.spec.js

Extracts all links within a string written in _markdown_ format.

/* global describe, it */

const chai = require('chai');
const index = require('../index.js');
const getLinksFromMd = index.getLinksFromMd;
const expect = chai.expect;

describe('getLinksFromMd()', () => {
  it('Should return an array with a single URL from a string that has ONLY ONE LINK', () => {
    let message = 'Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor  incididunt ut [labore](https://en.wiktionary.org/wiki/labore) magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.';
    expect(getLinksFromMd(message)).to.deep.equal([{ 
      href: 'https://en.wiktionary.org/wiki/labore', 
      text: 'labore'
    }]);
  });
  it('Should return an array with URLs from a string that has MORE THAN ONE link', () => {
    let message = `[labore](https://en.wiktionary.org/wiki/labore) Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor  incididunt ut et [dolore](https://en.wiktionary.org/wiki/dolore) magna aliqua. Ut enim ad minim veniam, 
    
    quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. [foo](http://foo.com) `;
    expect(getLinksFromMd(message)).to.deep.equal([
      { href: 'https://en.wiktionary.org/wiki/labore', 
        text: 'labore' },
      { href: 'https://en.wiktionary.org/wiki/dolore', 
        text: 'dolore' },
      { href: 'http://foo.com', 
        text: 'foo' },
    ]);
  });
  it('Should return an empty array from a string that has NO LINK inside', () => {
    let message = 'Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor  incididunt ut et magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.';
    expect(getLinksFromMd(message)).to.deep.equal([]);
  });
  it('Should return "Error: missing argument"', () => {
    expect(() => getLinksFromMd()).to.throw('missing argument');
  });
  it('Should return "Error: argument is not a string"', () => {
    expect(() => getLinksFromMd(436437)).to.throw('argument is not a string');
  });
});