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| import { join } from 'path' | |
| import cheerio from 'cheerio' | |
| import webdriver from 'next-webdriver' | |
| import { createNext, FileRef } from 'e2e-utils' | |
| import { assertNoRedbox, renderViaHTTP, check } from 'next-test-utils' | |
| import { NextInstance } from 'e2e-utils' | |
| const customDocumentGipContent = `\ | |
| import { Html, Main, NextScript, Head } from 'next/document' | |
| export default function Document() { | |
| return ( | |
| <Html> | |
| <Head /> | |
| <body> | |
| <Main /> | |
| <NextScript /> | |
| </body> | |
| </Html> | |
| ) | |
| } | |
| Document.getInitialProps = (ctx) => { | |
| return ctx.defaultGetInitialProps(ctx) | |
| } | |
| ` | |
| const basePath = process.env.TEST_BASE_PATH || '' | |
| const srcPrefix = process.env.TEST_SRC_DIR ? 'src/' : '' | |
| describe('next/dynamic', () => { | |
| let next: NextInstance | |
| beforeAll(async () => { | |
| next = await createNext({ | |
| files: { | |
| [`${srcPrefix}/components`]: new FileRef(join(__dirname, 'components')), | |
| [`${srcPrefix}/pages`]: new FileRef(join(__dirname, 'pages')), | |
| ...(process.env.TEST_CUSTOMIZED_DOCUMENT === '1' && { | |
| [`${srcPrefix}/pages/_document.js`]: customDocumentGipContent, | |
| }), | |
| // When it's not turbopack and babel is enabled, we add a .babelrc file. | |
| ...(!process.env.IS_TURBOPACK_TEST && | |
| process.env.TEST_BABEL === '1' && { | |
| '.babelrc': `{ "presets": ["next/babel"] }`, | |
| }), | |
| }, | |
| nextConfig: { | |
| basePath, | |
| }, | |
| }) | |
| }) | |
| afterAll(() => next.destroy()) | |
| async function get$(path, query?: any) { | |
| const html = await renderViaHTTP(next.url, path, query) | |
| return cheerio.load(html) | |
| } | |
| // Turbopack doesn't support babel. | |
| ;(process.env.IS_TURBOPACK_TEST && process.env.TEST_BABEL === '1' | |
| ? describe.skip | |
| : describe)('Dynamic import', () => { | |
| describe('default behavior', () => { | |
| it('should render dynamic import components', async () => { | |
| const $ = await get$(basePath + '/dynamic/ssr') | |
| // Make sure the client side knows it has to wait for the bundle | |
| expect(JSON.parse($('#__NEXT_DATA__').html()).dynamicIds).toContain( | |
| process.env.IS_TURBOPACK_TEST | |
| ? '[project]/components/hello1.js [client] (ecmascript, next/dynamic entry)' | |
| : 'pages/dynamic/ssr.js -> ../../components/hello1' | |
| ) | |
| expect($('body').text()).toMatch(/Hello World 1/) | |
| }) | |
| it('should render dynamic import components using a function as first parameter', async () => { | |
| const $ = await get$(basePath + '/dynamic/function') | |
| // Make sure the client side knows it has to wait for the bundle | |
| expect(JSON.parse($('#__NEXT_DATA__').html()).dynamicIds).toContain( | |
| process.env.IS_TURBOPACK_TEST | |
| ? '[project]/components/hello1.js [client] (ecmascript, next/dynamic entry)' | |
| : 'pages/dynamic/function.js -> ../../components/hello1' | |
| ) | |
| expect($('body').text()).toMatch(/Hello World 1/) | |
| }) | |
| it('should render even there are no physical chunk exists', async () => { | |
| let browser | |
| try { | |
| browser = await webdriver(next.url, basePath + '/dynamic/no-chunk') | |
| await check( | |
| () => browser.elementByCss('body').text(), | |
| /Welcome, normal/ | |
| ) | |
| await check( | |
| () => browser.elementByCss('body').text(), | |
| /Welcome, dynamic/ | |
| ) | |
| } finally { | |
| if (browser) { | |
| await browser.close() | |
| } | |
| } | |
| }) | |
| it('should SSR nested dynamic components and skip nonSSR ones', async () => { | |
| const $ = await get$(basePath + '/dynamic/nested') | |
| const text = $('#__next').text() | |
| expect(text).toContain('Nested 1') | |
| expect(text).toContain('Nested 2') | |
| expect(text).not.toContain('Browser hydrated') | |
| }) | |
| it('should hydrate nested chunks', async () => { | |
| let browser | |
| try { | |
| browser = await webdriver(next.url, basePath + '/dynamic/nested') | |
| await check(() => browser.elementByCss('body').text(), /Nested 1/) | |
| await check(() => browser.elementByCss('body').text(), /Nested 2/) | |
| await check( | |
| () => browser.elementByCss('body').text(), | |
| /Browser hydrated/ | |
| ) | |
| if ((global as any).browserName === 'chrome') { | |
| const logs = await browser.log() | |
| logs.forEach((logItem) => { | |
| expect(logItem.message).not.toMatch( | |
| /Expected server HTML to contain/ | |
| ) | |
| }) | |
| } | |
| } finally { | |
| if (browser) { | |
| await browser.close() | |
| } | |
| } | |
| }) | |
| it('should render the component Head content', async () => { | |
| let browser | |
| try { | |
| browser = await webdriver(next.url, basePath + '/dynamic/head') | |
| await check(() => browser.elementByCss('body').text(), /test/) | |
| const backgroundColor = await browser | |
| .elementByCss('.dynamic-style') | |
| .getComputedCss('background-color') | |
| const height = await browser | |
| .elementByCss('.dynamic-style') | |
| .getComputedCss('height') | |
| expect(height).toBe('200px') | |
| expect(backgroundColor).toMatch(/rgba?\(0, 128, 0/) | |
| } finally { | |
| if (browser) { | |
| await browser.close() | |
| } | |
| } | |
| }) | |
| }) | |
| describe('ssr:false option', () => { | |
| it('should not render loading on the server side', async () => { | |
| const $ = await get$(basePath + '/dynamic/no-ssr') | |
| expect($('body').html()).not.toContain('"dynamicIds"') | |
| expect($('body').text()).not.toMatch('loading...') | |
| }) | |
| it('should render the component on client side', async () => { | |
| let browser | |
| try { | |
| browser = await webdriver(next.url, basePath + '/dynamic/no-ssr') | |
| await check(() => browser.elementByCss('body').text(), /navigator/) | |
| await assertNoRedbox(browser) | |
| } finally { | |
| if (browser) { | |
| await browser.close() | |
| } | |
| } | |
| }) | |
| it('should import and render the ESM module correctly on client side', async () => { | |
| let browser | |
| try { | |
| browser = await webdriver(next.url, basePath + '/dynamic/no-ssr-esm') | |
| await check(() => browser.elementByCss('body').text(), /esm.mjs/) | |
| await assertNoRedbox(browser) | |
| } finally { | |
| if (browser) { | |
| await browser.close() | |
| } | |
| } | |
| }) | |
| }) | |
| describe('ssr:true option', () => { | |
| it('Should render the component on the server side', async () => { | |
| const $ = await get$(basePath + '/dynamic/ssr-true') | |
| expect($('body').html()).toContain('"dynamicIds"') | |
| expect($('p').text()).toBe('Hello World 1') | |
| }) | |
| it('should render the component on client side', async () => { | |
| let browser | |
| try { | |
| browser = await webdriver(next.url, basePath + '/dynamic/ssr-true') | |
| await check( | |
| () => browser.elementByCss('body').text(), | |
| /Hello World 1/ | |
| ) | |
| } finally { | |
| if (browser) { | |
| await browser.close() | |
| } | |
| } | |
| }) | |
| if (!(global as any).isNextDev) { | |
| it('should not include ssr:false imports to server trace', async () => { | |
| const trace = JSON.parse( | |
| await next.readFile('.next/server/pages/dynamic/no-ssr.js.nft.json') | |
| ) as { files: string[] } | |
| expect(trace).not.toContain('navigator') | |
| }) | |
| } | |
| }) | |
| // Turbopack doesn't have this feature. | |
| ;(process.env.IS_TURBOPACK_TEST ? describe.skip : describe)( | |
| 'custom chunkfilename', | |
| () => { | |
| it('should render the correct filename', async () => { | |
| const $ = await get$(basePath + '/dynamic/chunkfilename') | |
| expect($('body').text()).toMatch(/test chunkfilename/) | |
| expect($('html').html()).toMatch(/hello-world\.js/) | |
| }) | |
| it('should render the component on client side', async () => { | |
| let browser | |
| try { | |
| browser = await webdriver( | |
| next.url, | |
| basePath + '/dynamic/chunkfilename' | |
| ) | |
| await check( | |
| () => browser.elementByCss('body').text(), | |
| /test chunkfilename/ | |
| ) | |
| } finally { | |
| if (browser) { | |
| await browser.close() | |
| } | |
| } | |
| }) | |
| } | |
| ) | |
| describe('custom loading', () => { | |
| it('should render custom loading on the server side when `ssr:false` and `loading` is provided', async () => { | |
| const $ = await get$(basePath + '/dynamic/no-ssr-custom-loading') | |
| expect($('p').text()).toBe('LOADING') | |
| }) | |
| it('should render the component on client side', async () => { | |
| let browser | |
| try { | |
| browser = await webdriver( | |
| next.url, | |
| basePath + '/dynamic/no-ssr-custom-loading' | |
| ) | |
| await check( | |
| () => browser.elementByCss('body').text(), | |
| /Hello World 1/ | |
| ) | |
| } finally { | |
| if (browser) { | |
| await browser.close() | |
| } | |
| } | |
| }) | |
| }) | |
| // TODO: Make this test work with Turbopack. Currently the test relies on `chunkFileName` which is not supported by Turbopack. | |
| ;(process.env.IS_TURBOPACK_TEST ? describe.skip : describe)( | |
| 'Multiple modules', | |
| () => { | |
| it('should only include the rendered module script tag', async () => { | |
| const $ = await get$(basePath + '/dynamic/multiple-modules') | |
| const html = $('html').html() | |
| expect(html).toMatch(/hello1\.js/) | |
| expect(html).not.toMatch(/hello2\.js/) | |
| }) | |
| it('should only load the rendered module in the browser', async () => { | |
| let browser | |
| try { | |
| browser = await webdriver( | |
| next.url, | |
| basePath + '/dynamic/multiple-modules' | |
| ) | |
| const html = await browser.eval( | |
| 'document.documentElement.innerHTML' | |
| ) | |
| expect(html).toMatch(/hello1\.js/) | |
| expect(html).not.toMatch(/hello2\.js/) | |
| } finally { | |
| if (browser) { | |
| await browser.close() | |
| } | |
| } | |
| }) | |
| it('should only render one bundle if component is used multiple times', async () => { | |
| const $ = await get$(basePath + '/dynamic/multiple-modules') | |
| const html = $('html').html() | |
| try { | |
| expect(html.match(/chunks[\\/]hello1\.js/g).length).toBe(1) | |
| expect(html).not.toMatch(/hello2\.js/) | |
| } catch (err) { | |
| console.error(html) | |
| throw err | |
| } | |
| }) | |
| } | |
| ) | |
| }) | |
| }) | |