create-decaf-webapp/template/src/setupTests.ts

Create a new DECAF Webapp

import matchers from '@testing-library/jest-dom/matchers';
import '@testing-library/jest-dom/vitest';
import { cleanup } from '@testing-library/react';
import { afterEach, expect } from 'vitest';

// https://github.com/ant-design/ant-design/issues/21096
Object.defineProperty(window, 'matchMedia', {
  value: () => {
    return {
      matches: false,
      addListener: () => {},
      removeListener: () => {},
    };
  },
});

// extends Vitest's expect method with methods from react-testing-library
expect.extend(matchers);

// runs a cleanup after each test case (e.g. clearing jsdom)
afterEach(() => {
  cleanup();
});