mini-starter/packages/order-management-ui/tests/setup.ts

import '@testing-library/jest-dom';
import { vi } from 'vitest';

// Mock window.matchMedia
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
global.ResizeObserver = class MockResizeObserver {
  constructor(callback: ResizeObserverCallback) {
    // Store callback for testing
    (this as any).callback = callback;
  }
  observe = vi.fn();
  unobserve = vi.fn();
  disconnect = vi.fn();
};

// Mock IntersectionObserver
global.IntersectionObserver = class MockIntersectionObserver {
  constructor(callback: IntersectionObserverCallback) {
    // Store callback for testing
    (this as any).callback = callback;
  }
  observe = vi.fn();
  unobserve = vi.fn();
  disconnect = vi.fn();
  root: Element | null = null;
  rootMargin: string = '';
  thresholds: ReadonlyArray<number> = [];
  takeRecords = vi.fn();
};