iframe-proxy | Sunbelt Computer Software

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import '@testing-library/jest-dom'
// Global test setup
// This file runs before each test file
// Mock DOM APIs that might not be available in jsdom
Object.defineProperty(window, 'matchMedia', {
  writable: true,
  value: vi.fn().mockImplementation(query => ({
    matches: false,
    media: query,
    onchange: null,
    addListener: vi.fn(), // deprecated
    removeListener: vi.fn(), // deprecated
    addEventListener: vi.fn(),
    removeEventListener: vi.fn(),
    dispatchEvent: vi.fn(),
// Mock ResizeObserver
(globalThis as any).ResizeObserver = vi.fn().mockImplementation(() => ({
  observe: vi.fn(),
  unobserve: vi.fn(),
  disconnect: vi.fn(),
// Mock IntersectionObserver  
(globalThis as any).IntersectionObserver = vi.fn().mockImplementation(() => ({
  observe: vi.fn(),
  unobserve: vi.fn(),
  disconnect: vi.fn(),
// Mock requestAnimationFrame
(globalThis as any).requestAnimationFrame = vi.fn().mockImplementation((cb: Function) => {
  return setTimeout(cb, 0);
(globalThis as any).cancelAnimationFrame = vi.fn().mockImplementation((id: number) => {
  clearTimeout(id);
// Mock performance.now for timing-related tests
Object.defineProperty(window, 'performance', {
  writable: true,
    now: vi.fn(() => Date.now())
// Mock CSS properties that might be used by gridstack
Object.defineProperty(window, 'getComputedStyle', {
  value: () => ({
    getPropertyValue: () => '',
    width: '100px',
    height: '100px',
    marginTop: '0px',
    marginBottom: '0px',
    marginLeft: '0px',
    marginRight: '0px'
// Mock scrollTo for tests that might trigger scrolling
window.scrollTo = vi.fn();
// Setup DOM environment
Object.defineProperty(window, 'location', {
    href: 'http://localhost:3000',
    origin: 'http://localhost:3000',
    pathname: '/',
    search: '',
    hash: ''
  writable: true
// Global test utilities
(globalThis as any).createMockElement = (tagName: string = 'div', attributes: Record<string, string> = {}) => {
  const element = document.createElement(tagName);
  Object.entries(attributes).forEach(([key, value]) => {
    element.setAttribute(key, value);
  return element;
// Console error/warning suppression for expected errors in tests
const originalError = console.error;
const originalWarn = console.warn;
beforeEach(() => {
  // Reset console methods for each test
  console.error = originalError;
  console.warn = originalWarn;
// Helper to suppress expected console errors/warnings
(globalThis as any).suppressConsoleErrors = () => {
  console.error = vi.fn();
  console.warn = vi.fn();

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