jest.setup.js

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

// Polyfill for jest-axe
const { toHaveNoViolations } = require('jest-axe');

expect.extend(toHaveNoViolations);

// Mock window.matchMedia for responsive component tests
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 IntersectionObserver
class MockIntersectionObserver {
  observe = jest.fn();

  unobserve = jest.fn();

  disconnect = jest.fn();
}
Object.defineProperty(window, 'IntersectionObserver', {
  writable: true,
  value: MockIntersectionObserver,
});

// Mock ResizeObserver
class MockResizeObserver {
  observe = jest.fn();

  unobserve = jest.fn();

  disconnect = jest.fn();
}
Object.defineProperty(window, 'ResizeObserver', {
  writable: true,
  value: MockResizeObserver,
});

// Suppress specific console warnings in tests
const originalError = console.error;
console.error = (...args) => {
  if (
    typeof args[0] === 'string' &&
    args[0].includes('Warning: ReactDOM.render is no longer supported')
  ) {
    return;
  }
  originalError.call(console, ...args);
};