/* eslint-env jest */ import { nextTestSetup } from 'e2e-utils' import { check } from 'next-test-utils' describe('Deprecated @next/font warning', () => { const { next, skipped } = nextTestSetup({ files: { 'pages/index.js': '', }, dependencies: { '@next/font': 'canary', }, skipStart: true, }) if (skipped) return it('should warn if @next/font is in deps', async () => { await next.start() await check(() => next.cliOutput, /ready/i) await check( () => next.cliOutput, new RegExp('please use the built-in `next/font` instead') ) await next.stop() await next.clean() }) it('should not warn if @next/font is not in deps', async () => { // Remove @next/font from deps const packageJson = JSON.parse(await next.readFile('package.json')) delete packageJson.dependencies['@next/font'] await next.patchFile('package.json', JSON.stringify(packageJson)) await next.start() await check(() => next.cliOutput, /ready/i) expect(next.cliOutput).not.toInclude( 'please use the built-in `next/font` instead' ) await next.stop() await next.clean() }) })