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4.77 kB
| import { nextTestSetup } from 'e2e-utils' | |
| import { waitFor } from 'next-test-utils' | |
| import cheerio from 'cheerio' | |
| describe('app dir rendering', () => { | |
| const { next, isNextDev, skipped } = nextTestSetup({ | |
| files: __dirname, | |
| skipDeployment: true, | |
| }) | |
| if (skipped) { | |
| return | |
| } | |
| it('should serve app/page.server.js at /', async () => { | |
| const html = await next.render('/') | |
| expect(html).toContain('app/page.server.js') | |
| }) | |
| describe('SSR only', () => { | |
| it('should run data in layout and page', async () => { | |
| const $ = await next.render$('/ssr-only/nested') | |
| expect($('#layout-message').text()).toBe('hello from layout') | |
| expect($('#page-message').text()).toBe('hello from page') | |
| }) | |
| it('should run data fetch in parallel', async () => { | |
| const startTime = Date.now() | |
| const $ = await next.render$('/ssr-only/slow') | |
| const endTime = Date.now() | |
| const duration = endTime - startTime | |
| // Each part takes 5 seconds so it should be below 10 seconds | |
| // Using 7 seconds to ensure external factors causing slight slowness don't fail the tests | |
| expect(duration).toBeLessThan(10_000) | |
| expect($('#slow-layout-message').text()).toBe('hello from slow layout') | |
| expect($('#slow-page-message').text()).toBe('hello from slow page') | |
| }) | |
| }) | |
| describe('static only', () => { | |
| it('should run data in layout and page', async () => { | |
| const $ = await next.render$('/static-only/nested') | |
| expect($('#layout-message').text()).toBe('hello from layout') | |
| expect($('#page-message').text()).toBe('hello from page') | |
| }) | |
| it(`should run data in parallel ${ | |
| isNextDev ? 'during development' : 'and use cached version for production' | |
| }`, async () => { | |
| // const startTime = Date.now() | |
| const $ = await next.render$('/static-only/slow') | |
| // const endTime = Date.now() | |
| // const duration = endTime - startTime | |
| // Each part takes 5 seconds so it should be below 10 seconds | |
| // Using 7 seconds to ensure external factors causing slight slowness don't fail the tests | |
| // TODO: cache static props in prod | |
| // expect(duration < (isDev ? 7000 : 2000)).toBe(true) | |
| // expect(duration < 7000).toBe(true) | |
| expect($('#slow-layout-message').text()).toBe('hello from slow layout') | |
| expect($('#slow-page-message').text()).toBe('hello from slow page') | |
| }) | |
| }) | |
| describe('ISR', () => { | |
| it('should revalidate the page when revalidate is configured', async () => { | |
| const getPage = async () => { | |
| const res = await next.fetch('isr-multiple/nested') | |
| const html = await res.text() | |
| return { | |
| $: cheerio.load(html), | |
| cacheHeader: res.headers['x-nextjs-cache'], | |
| } | |
| } | |
| const { $ } = await getPage() | |
| expect($('#layout-message').text()).toBe('hello from layout') | |
| expect($('#page-message').text()).toBe('hello from page') | |
| const layoutNow = $('#layout-now').text() | |
| const pageNow = $('#page-now').text() | |
| await waitFor(2000) | |
| // TODO: implement | |
| // Trigger revalidate | |
| // const { cacheHeader: revalidateCacheHeader } = await getPage() | |
| // expect(revalidateCacheHeader).toBe('STALE') | |
| // TODO: implement | |
| const { $: $revalidated /* cacheHeader: revalidatedCacheHeader */ } = | |
| await getPage() | |
| // expect(revalidatedCacheHeader).toBe('REVALIDATED') | |
| const layoutNowRevalidated = $revalidated('#layout-now').text() | |
| const pageNowRevalidated = $revalidated('#page-now').text() | |
| // Expect that the `Date.now()` is different as the page have been regenerated | |
| expect(layoutNow).not.toBe(layoutNowRevalidated) | |
| expect(pageNow).not.toBe(pageNowRevalidated) | |
| }) | |
| }) | |
| // TODO: implement | |
| describe.skip('mixed static and dynamic', () => { | |
| it('should generate static data during build and use it', async () => { | |
| const getPage = async () => { | |
| const $ = await next.render$('isr-ssr-combined/nested') | |
| return { | |
| $, | |
| } | |
| } | |
| const { $ } = await getPage() | |
| expect($('#layout-message').text()).toBe('hello from layout') | |
| expect($('#page-message').text()).toBe('hello from page') | |
| const layoutNow = $('#layout-now').text() | |
| const pageNow = $('#page-now').text() | |
| const { $: $second } = await getPage() | |
| const layoutNowSecond = $second('#layout-now').text() | |
| const pageNowSecond = $second('#page-now').text() | |
| // Expect that the `Date.now()` is different as it came from getServerSideProps | |
| expect(layoutNow).not.toBe(layoutNowSecond) | |
| // Expect that the `Date.now()` is the same as it came from getStaticProps | |
| expect(pageNow).toBe(pageNowSecond) | |
| }) | |
| }) | |
| }) | |