import { nextTestSetup } from 'e2e-utils' import { assertHasRedbox } from 'next-test-utils' describe('DevErrorOverlay', () => { const { next } = nextTestSetup({ files: __dirname, }) it('can get error code from RSC error thrown by framework', async () => { await next.render('/known-rsc-error') const browser = await next.browser('/known-rsc-error') const errorCode = await browser.waitForElementByCss( '[data-nextjs-error-code]' ) const code = await errorCode.getAttribute('data-nextjs-error-code') expect(code).toBe('E127') }) it('can get error code from client side error thrown by framework', async () => { await next.render('/known-client-error') const browser = await next.browser('/known-client-error') await browser.elementByCss('button').click() // clicked "break on client" const errorCode = await browser.waitForElementByCss( '[data-nextjs-error-code]' ) const code = await errorCode.getAttribute('data-nextjs-error-code') expect(code).toBe('E209') }) it('loads fonts successfully', async () => { const woff2Requests: { url: string; status: number }[] = [] const browser = await next.browser('/known-rsc-error', { beforePageLoad: (page) => { page.route('**/*.woff2', async (route) => { const response = await route.fetch() woff2Requests.push({ url: route.request().url(), status: response.status(), }) await route.continue() }) }, }) await assertHasRedbox(browser) await browser.waitForIdleNetwork() // Verify woff2 files were requested and loaded successfully expect(woff2Requests.length).toBeGreaterThan(0) for (const request of woff2Requests) { expect(request.status).toBe(200) } }) })