jest.setup.cjs

require('@testing-library/jest-dom');

// Mock environment variables
process.env.NODE_ENV = 'test';
process.env.DATABASE_URL = 'postgresql://test:test@localhost:5432/test';

// Mock fetch for frontend tests
global.fetch = jest.fn();

// Add TextEncoder and TextDecoder for Node environment (required by some dependencies)
const { TextEncoder, TextDecoder } = require('util');
global.TextEncoder = TextEncoder;
global.TextDecoder = TextDecoder;

// Mock window.matchMedia for responsive tests
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 window.ResizeObserver
global.ResizeObserver = jest.fn().mockImplementation(() => ({
  observe: jest.fn(),
  unobserve: jest.fn(),
  disconnect: jest.fn(),
}));

// Mock localStorage
const localStorageMock = {
  getItem: jest.fn(),
  setItem: jest.fn(),
  removeItem: jest.fn(),
  clear: jest.fn(),
};
global.localStorage = localStorageMock;

// Mock sessionStorage
global.sessionStorage = localStorageMock;

// Mock console methods for cleaner test output
global.console = {
  ...console,
  warn: jest.fn(),
  error: jest.fn(),
};