text: import { addSource, getSources } from './source';
  
  import test from 'ava';
  
  test('Retrieve no sources', t => {
    const sources = getSources('hello');
    t.deepEqual(sources, []);
  });
  
  test('Retrieve multiple sources in reverse order', t => {
    addSource('hello', '/tmp/hello.txt');
    addSource('hello', 'http://hello.com');
  
    const sources = getSources('hello');
    t.deepEqual(sources, ['http://hello.com', '/tmp/hello.txt']);
  });
  