import MemoryStorage from 'background/infrastructures/memory-storage'; describe("background/infrastructures/memory-storage", () => { it('stores values', () => { let cache = new MemoryStorage(); cache.set('number', 123); expect(cache.get('number')).to.equal(123); cache.set('string', '123'); expect(cache.get('string')).to.equal('123'); cache.set('object', { hello: '123' }); expect(cache.get('object')).to.deep.equal({ hello: '123' }); }); it('returns undefined if no keys', () => { let cache = new MemoryStorage(); expect(cache.get('no-keys')).to.be.undefined; }) it('stored on shared memory', () => { let cache = new MemoryStorage(); cache.set('red', 'apple'); cache = new MemoryStorage(); let got = cache.get('red'); expect(got).to.equal('apple'); }); it('stored cloned objects', () => { let cache = new MemoryStorage(); let recipe = { sugar: '300g' }; cache.set('recipe', recipe); recipe.salt = '20g' let got = cache.get('recipe', recipe); expect(got).to.deep.equal({ sugar: '300g' }); }); it('throws an error with unserializable objects', () => { let cache = new MemoryStorage(); expect(() => cache.set('fn', setTimeout)).to.throw(); }) });