import { expect } from 'chai' import sinon from 'sinon' import customLocalStorage from '../../../frontend/js/infrastructure/local-storage' describe('localStorage', function() { let originalLocalStorage before(function() { originalLocalStorage = global.localStorage }) after(function() { global.localStorage = originalLocalStorage }) beforeEach(function() { global.localStorage = { getItem: sinon.stub().returns(null), setItem: sinon.stub(), clear: sinon.stub(), removeItem: sinon.stub() } global.console.error = sinon.stub() }) afterEach(function() { global.console.error.reset() delete global.localStorage }) it('getItem', function() { expect(customLocalStorage.getItem('foo')).to.be.null global.localStorage.getItem.returns('false') expect(customLocalStorage.getItem('foo')).to.equal(false) global.localStorage.getItem.returns('{"foo":"bar"}') expect(customLocalStorage.getItem('foo')).to.deep.equal({ foo: 'bar' }) global.localStorage.getItem.throws(new Error('Nope')) expect(customLocalStorage.getItem('foo')).to.be.null expect(global.console.error).to.be.calledOnce }) it('setItem', function() { customLocalStorage.setItem('foo', 'bar') expect(global.localStorage.setItem).to.be.calledOnceWith('foo', '"bar"') global.localStorage.setItem.reset() customLocalStorage.setItem('foo', true) expect(global.localStorage.setItem).to.be.calledOnceWith('foo', 'true') global.localStorage.setItem.reset() customLocalStorage.setItem('foo', { bar: 1 }) expect(global.localStorage.setItem).to.be.calledOnceWith('foo', '{"bar":1}') global.localStorage.setItem.reset() global.localStorage.setItem.throws(new Error('Nope')) expect(customLocalStorage.setItem('foo', 'bar')).to.be.null expect(global.console.error).to.be.calledOnce }) it('clear', function() { customLocalStorage.clear() expect(global.localStorage.clear).to.be.calledOnce global.localStorage.clear.throws(new Error('Nope')) expect(customLocalStorage.clear()).to.be.null expect(global.console.error).to.be.calledOnce }) it('removeItem', function() { customLocalStorage.removeItem('foo') expect(global.localStorage.removeItem).to.be.calledOnceWith('foo') global.localStorage.removeItem.reset() global.localStorage.removeItem.throws(new Error('Nope')) expect(customLocalStorage.removeItem('foo')).to.be.null expect(global.console.error).to.be.calledOnce }) })