koel/resources/assets/js/tests/services/lsTest.js

require('chai').should();

import localStorage from 'local-storage';
import { ls } from '../../services';

describe('services/ls', () => {
  beforeEach(() => localStorage.remove('foo'));

  describe('#get', () => {
    it('correctly gets an existing item from local storage', () => {
      localStorage('foo', 'bar');
      ls.get('foo').should.equal('bar');
    });

    it('correctly returns the default value for a non exising item', () => {
      ls.get('baz', 'qux').should.equal('qux');
    });
  });

  describe('#set', () => {
    it('correctly sets an item into local storage', () => {
      ls.set('foo', 'bar');
      localStorage('foo').should.equal('bar');
    });
  });

  describe('#remove', () => {
    it('correctly removes an item from local storage', () => {
      localStorage('foo', 'bar');
      ls.remove('foo');
      (localStorage('foo') === null).should.be.true;
    });
  });
});