jest.setup.js

import '@testing-library/jest-dom';

// Polyfill for TextEncoder and TextDecoder
import { TextEncoder, TextDecoder } from 'util';
global.TextEncoder = TextEncoder;
global.TextDecoder = TextDecoder;

// Mock localForage
jest.mock('localforage', () => ({
  getItem: jest.fn(),
  setItem: jest.fn(),
  removeItem: jest.fn(),
}));

// Mock react-router-dom
jest.mock('react-router-dom', () => ({
  ...jest.requireActual('react-router-dom'),
  useNavigate: () => jest.fn(),
}));

// Setup global mocks if needed
global.fetch = jest.fn(() =>
  Promise.resolve({
    json: () => Promise.resolve({}),
  })
);

// Silence React 18 console warnings in tests
const originalError = console.error;
beforeAll(() => {
  console.error = (...args) => {
    if (/Warning: ReactDOM.render is no longer supported in React 18./.test(args[0])) {
      return;
    }
    originalError.call(console, ...args);
  };
});

afterAll(() => {
  console.error = originalError;
});