/** * @jest-environment jsdom */ import { act, render } from '@testing-library/react' import Link from 'next/link' import React from 'react' import { getPackageVersion } from 'next/dist/lib/get-package-version' import semver from 'next/dist/compiled/semver' describe('', () => { let spy let expectedErrors beforeAll(async () => { spy = jest.spyOn(console, 'error').mockImplementation(() => {}) const reactVersion = await getPackageVersion({ cwd: __dirname, name: 'react-dom', }) expectedErrors = reactVersion && semver.gte(reactVersion, '18.0.0') ? 1 : 0 }) it('test link with unmount', () => { act(() => { const { unmount } = render(hello) unmount() }) expect(spy).toHaveBeenCalledTimes(expectedErrors) }) it('test link without unmount', () => { act(() => { render(hello) }) expect(spy).toHaveBeenCalledTimes(expectedErrors) }) afterAll(() => { spy.mockRestore() }) })