/** * @jest-environment jsdom */ import { renderHook, act } from '@testing-library/react'; import useCachedAnswers from '../use-cached-answers'; const localStorageMock = { getItem: jest.fn(), setItem: jest.fn(), removeItem: jest.fn(), clear: jest.fn(), length: 0, key: jest.fn(), }; describe( 'useCachedAnswers', () => { beforeEach( () => { global.localStorage = localStorageMock; } ); it( 'should update cached answers', () => { const surveyKey = 'test-key'; const initialAnswers = { question1: [ 'option-1' ], question2: [ 'option-3' ] }; const updatedAnswers = { question1: [ 'option-1', 'option-2' ], question2: [ 'option-3' ] }; const { result } = renderHook( () => useCachedAnswers( surveyKey ) ); act( () => { result.current.setAnswers( initialAnswers ); } ); expect( result.current.answers ).toEqual( initialAnswers ); act( () => { result.current.setAnswers( updatedAnswers ); } ); expect( result.current.answers ).toEqual( updatedAnswers ); } ); } );