// Optional: configure or set up a testing framework before each test.
// If you delete this file, remove `setupFilesAfterEnv` from `jest.config.*`

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

// To get 'next/router' working with tests
jest.mock('next/router', () => require('next-router-mock'));

// jsdom does not implement window.matchMedia, which MUI's CSS-variable theme
// (CssVarsProvider) relies on to track the system color-scheme preference.
Object.defineProperty(window, 'matchMedia', {
  writable: true,
  value: (query: string) => ({
    matches: false,
    media: query,
    onchange: null,
    addListener: jest.fn(), // Deprecated, but still called by MUI for old browsers
    removeListener: jest.fn(), // Deprecated
    addEventListener: jest.fn(),
    removeEventListener: jest.fn(),
    dispatchEvent: jest.fn(),
  }),
});