jest.setup.js

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(),
  })),
})

// Mock IntersectionObserver
global.IntersectionObserver = class IntersectionObserver {
  constructor() {}
  disconnect() {}
  observe() {}
  unobserve() {}
}

// Mock ResizeObserver
global.ResizeObserver = class ResizeObserver {
  constructor() {}
  disconnect() {}
  observe() {}
  unobserve() {}
}