jest.setup.js

// Learn more: https://github.com/testing-library/jest-dom
import '@testing-library/jest-dom';

// Setup TextEncoder and TextDecoder
const { TextEncoder, TextDecoder } = require('util');
global.TextEncoder = TextEncoder;
global.TextDecoder = TextDecoder;

// Mock next/router
jest.mock('next/router', () => ({
  useRouter: () => ({
    push: jest.fn(),
    replace: jest.fn(),
    prefetch: jest.fn(),
    back: jest.fn(),
    pathname: '/',
    query: {},
  }),
}));

// Mock the environment variables
process.env.NEXT_PUBLIC_CONTRACT_ADDRESS = '0x123';

// Mock the clipboard API
Object.assign(navigator, {
  clipboard: {
    writeText: 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(),
    removeListener: jest.fn(),
    addEventListener: jest.fn(),
    removeEventListener: jest.fn(),
    dispatchEvent: jest.fn(),
  })),
});