jest.setup.mjs

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

// Mock browser APIs that might not be available in the test environment
global.TransformStream = class TransformStream {
  constructor() {
    this.readable = {
      getReader: () => ({
        read: () => Promise.resolve({ done: true, value: undefined }),
        releaseLock: () => {},
      }),
    };
    this.writable = {
      getWriter: () => ({
        write: () => Promise.resolve(),
        close: () => Promise.resolve(),
        releaseLock: () => {},
      }),
    };
  }
};

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

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

// Mock 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 Next.js router
jest.mock('next/navigation', () => ({
  useRouter() {
    return {
      push: jest.fn(),
      replace: jest.fn(),
      prefetch: jest.fn(),
      back: jest.fn(),
      forward: jest.fn(),
      refresh: jest.fn(),
    };
  },
  useSearchParams() {
    return new URLSearchParams();
  },
  usePathname() {
    return '/';
  },
}));

// Mock environment variables
process.env.NODE_ENV = 'test';
process.env.NEXT_PUBLIC_APP_URL = 'http://localhost:3000';

// Mock console methods to reduce noise in tests
global.console = {
  ...console,

  // Uncomment to ignore a specific log level

  // log: jest.fn(),
  // debug: jest.fn(),
  // info: jest.fn(),
  // warn: jest.fn(),
  // error: jest.fn(),
};