jest.setup.js

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

// 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(),
  })),
});

// Mock HTMLMediaElement
window.HTMLMediaElement.prototype.play = jest.fn().mockResolvedValue(undefined);
window.HTMLMediaElement.prototype.pause = jest.fn();
window.HTMLMediaElement.prototype.load = jest.fn();

// Mock URL.createObjectURL
global.URL.createObjectURL = jest.fn(() => 'blob:test-url');
global.URL.revokeObjectURL = jest.fn();

// Mock alert
global.alert = jest.fn();