import '@testing-library/jest-dom' // Mock Next.js router jest.mock('next/router', () => ({ useRouter() { return { route: '/', pathname: '/', query: {}, asPath: '/', push: jest.fn(), pop: jest.fn(), reload: jest.fn(), back: jest.fn(), prefetch: jest.fn().mockResolvedValue(undefined), beforePopState: jest.fn(), events: { on: jest.fn(), off: jest.fn(), emit: jest.fn(), }, } }, })) // Mock window.matchMedia Object.defineProperty(window, 'matchMedia', { writable: true, value: jest.fn().mockImplementation(query => ({ matches: false, media: query, onchange: null, addListener: jest.fn(), // deprecated removeListener: jest.fn(), // deprecated addEventListener: jest.fn(), removeEventListener: jest.fn(), dispatchEvent: jest.fn(), })), })