vitest.setup.ts

import "@testing-library/jest-dom/vitest";
import { cleanup } from "@testing-library/react";
import { afterEach } from "vitest";

// Cleanup after each test
afterEach(() => {
  cleanup();
});

// Mock window.matchMedia for responsive component tests
Object.defineProperty(window, "matchMedia", {
  writable: true,
  value: vi.fn().mockImplementation((query: string) => ({
    matches: false,
    media: query,
    onchange: null,
    addListener: vi.fn(),
    removeListener: vi.fn(),
    addEventListener: vi.fn(),
    removeEventListener: vi.fn(),
    dispatchEvent: vi.fn(),
  })),
});

// Mock IntersectionObserver for lazy loading / infinite scroll tests
class MockIntersectionObserver {
  observe = vi.fn();
  disconnect = vi.fn();
  unobserve = vi.fn();
}

Object.defineProperty(window, "IntersectionObserver", {
  writable: true,
  value: MockIntersectionObserver,
});

// Mock ResizeObserver for responsive layout tests
class MockResizeObserver {
  observe = vi.fn();
  disconnect = vi.fn();
  unobserve = vi.fn();
}

Object.defineProperty(window, "ResizeObserver", {
  writable: true,
  value: MockResizeObserver,
});