import { nextTestSetup } from 'e2e-utils'
import {
  check,
  getTitle,
  createDomMatcher,
  createMultiHtmlMatcher,
  createMultiDomMatcher,
  checkMetaNameContentPair,
  checkLink,
  retry,
} from 'next-test-utils'
import fs from 'fs/promises'
import path from 'path'

// Webpack: /favicon.ico?<hash>
// Turbopack: /favicon.ico?favicon.<hash>.ico
const FAVICON_REGEX = /\/favicon.ico\?\w+/

describe('app dir - metadata', () => {
  const { next, isNextDev, isNextStart, isNextDeploy } = nextTestSetup({
    files: __dirname,
  })

  describe('basic', () => {
    it('should support title and description', async () => {
      const browser = await next.browser('/title')
      expect(await browser.eval(`document.title`)).toBe(
        'this is the page title'
      )
      await checkMetaNameContentPair(
        browser,
        'description',
        'this is the layout description'
      )
    })

    it('should support title template', async () => {
      const browser = await next.browser('/title-template')
      // Use the parent layout (root layout) instead of app/title-template/layout.tsx
      expect(await browser.eval(`document.title`)).toBe('Page')
    })

    it('should support stashed title in one layer of page and layout', async () => {
      const browser = await next.browser('/title-template/extra')
      // Use the parent layout (app/title-template/layout.tsx) instead of app/title-template/extra/layout.tsx
      expect(await browser.eval(`document.title`)).toBe('Extra Page | Layout')
    })

    it('should use parent layout title when no title is defined in page', async () => {
      const browser = await next.browser('/title-template/use-layout-title')
      expect(await browser.eval(`document.title`)).toBe(
        'title template layout default'
      )
    })

    it('should support stashed title in two layers of page and layout', async () => {
      const $inner = await next.render$('/title-template/extra/inner')
      expect(await $inner('title').text()).toBe('Inner Page | Extra Layout')

      const $deep = await next.render$('/title-template/extra/inner/deep')
      expect(await $deep('title').text()).toBe('extra layout default | Layout')
    })

    it('should support other basic tags', async () => {
      const browser = await next.browser('/basic')
      const matchDom = createDomMatcher(browser)
      const matchMultiDom = createMultiDomMatcher(browser)

      await matchMultiDom('meta', 'name', 'content', {
        generator: 'next.js',
        'application-name': 'test',
        referrer: 'origin-when-cross-origin',
        keywords: 'next.js,react,javascript',
        author: ['huozhi', 'tree'],
        'color-scheme': 'dark',
        viewport:
          'width=device-width, initial-scale=1, maximum-scale=1, interactive-widget=resizes-visual',
        creator: 'shu',
        publisher: 'vercel',
        robots: 'index, follow',
        'format-detection': 'telephone=no, address=no, email=no',
      })

      await matchMultiDom('link', 'rel', 'href', {
        manifest: '/api/manifest',
        author: 'https://tree.com',
        preconnect: '/preconnect-url',
        preload: '/api/preload',
        'dns-prefetch': '/dns-prefetch-url',
        prev: '/basic?page=1',
        next: '/basic?page=3',
      })

      // Manifest link should have crossOrigin attribute
      await matchDom('link', 'rel="manifest"', {
        href: '/api/manifest',
        crossOrigin: isNextDeploy ? 'use-credentials' : null,
      })

      await matchDom('meta', 'name="theme-color"', {
        media: '(prefers-color-scheme: dark)',
        content: 'cyan',
      })
    })

    it('should support other basic tags (edge)', async () => {
      const browser = await next.browser('/basic-edge')
      const matchMultiDom = createMultiDomMatcher(browser)
      const matchDom = createDomMatcher(browser)

      await matchMultiDom('meta', 'name', 'content', {
        generator: 'next.js',
        'application-name': 'test',
        referrer: 'origin-when-cross-origin',
        keywords: 'next.js,react,javascript',
        author: ['huozhi', 'tree'],
        robots: 'index, follow',
        'format-detection': 'telephone=no, address=no, email=no',
      })

      await matchMultiDom('link', 'rel', 'href', {
        manifest: '/api/manifest',
        author: 'https://tree.com',
        preconnect: '/preconnect-url',
        preload: '/api/preload',
        'dns-prefetch': '/dns-prefetch-url',
        prev: '/basic?page=1',
        next: '/basic?page=3',
      })

      // Manifest link should have crossOrigin attribute
      await matchDom('link', 'rel="manifest"', {
        href: '/api/manifest',
        crossOrigin: isNextDeploy ? 'use-credentials' : null,
      })
    })

    it('should support apple related tags `itunes` and `appWebApp`', async () => {
      const browser = await next.browser('/apple')
      const matchMultiDom = createMultiDomMatcher(browser)

      await matchMultiDom('meta', 'name', 'content', {
        'apple-itunes-app': 'app-id=myAppStoreID, app-argument=myAppArgument',
        'mobile-web-app-capable': 'yes',
        'apple-mobile-web-app-title': 'Apple Web App',
        'apple-mobile-web-app-status-bar-style': 'black-translucent',
      })

      const matchDom = createDomMatcher(browser)

      await matchDom(
        'link',
        'href="/assets/startup/apple-touch-startup-image-768x1004.png"',
        {
          rel: 'apple-touch-startup-image',
          media: null,
        }
      )

      await matchDom(
        'link',
        'href="/assets/startup/apple-touch-startup-image-1536x2008.png"',
        {
          rel: 'apple-touch-startup-image',
          media: '(device-width: 768px) and (device-height: 1024px)',
        }
      )
    })

    it('should support socials related tags like facebook and pinterest', async () => {
      const browser = await next.browser('/socials')
      const matchMultiDom = createMultiDomMatcher(browser)

      await matchMultiDom('meta', 'property', 'content', {
        'fb:app_id': '12345678',
        'fb:admins': ['120', '122', '124'],
        'pinterest-rich-pin': 'true',
      })
    })

    it('should support alternate tags', async () => {
      const browser = await next.browser('/alternates')
      const matchDom = createDomMatcher(browser)

      await matchDom('link', 'rel="canonical"', {
        href: 'https://example.com/alternates',
      })
      await matchDom('link', 'title="js title"', {
        type: 'application/rss+xml',
        href: 'https://example.com/blog/js.rss',
      })
      await matchDom('link', 'title="rss"', {
        type: 'application/rss+xml',
        href: 'https://example.com/blog.rss',
      })
      await matchDom('link', 'hreflang="en-US"', {
        rel: 'alternate',
        href: 'https://example.com/alternates/en-US',
      })
      await matchDom('link', 'hreflang="de-DE"', {
        rel: 'alternate',
        href: 'https://example.com/alternates/de-DE',
      })
      await matchDom('link', 'media="only screen and (max-width: 600px)"', {
        rel: 'alternate',
        href: 'https://example.com/mobile',
      })
    })

    it('should relative canonical url', async () => {
      const browser = await next.browser('/alternates/child')
      const matchDom = createDomMatcher(browser)
      await matchDom('link', 'rel="canonical"', {
        href: 'https://example.com/alternates/child',
      })
      await matchDom('link', 'hreflang="en-US"', {
        rel: 'alternate',
        href: 'https://example.com/alternates/child/en-US',
      })
      await matchDom('link', 'hreflang="de-DE"', {
        rel: 'alternate',
        href: 'https://example.com/alternates/child/de-DE',
      })

      await browser.loadPage(next.url + '/alternates/child/123')
      await matchDom('link', 'rel="canonical"', {
        href: 'https://example.com/alternates/child/123',
      })
    })

    it('should not contain query in canonical url after client navigation', async () => {
      const browser = await next.browser('/')
      await browser.waitForElementByCss('p#index')
      await browser.eval(`next.router.push('/alternates')`)

      const matchDom = createDomMatcher(browser)
      // Dynamic metadata streams in async
      await retry(async () => {
        await matchDom('link', 'rel="canonical"', {
          href: 'https://example.com/alternates',
        })
        await matchDom('link', 'title="js title"', {
          type: 'application/rss+xml',
          href: 'https://example.com/blog/js.rss',
        })
      })
    })

    it('should support robots tags', async () => {
      const $ = await next.render$('/robots')
      const matchMultiDom = createMultiHtmlMatcher($)
      matchMultiDom('meta', 'name', 'content', {
        robots: 'noindex, follow, nocache',
        googlebot:
          'index, nofollow, noimageindex, max-video-preview:standard, max-image-preview:-1, max-snippet:-1',
      })
    })

    it('should support verification tags', async () => {
      const $ = await next.render$('/verification')
      const matchMultiDom = createMultiHtmlMatcher($)
      matchMultiDom('meta', 'name', 'content', {
        'google-site-verification': 'google',
        y_key: 'yahoo',
        'yandex-verification': 'yandex',
        me: ['my-email', 'my-link'],
      })
      expect($('meta[name="me"]').length).toBe(2)
    })

    it('should support appLinks tags', async () => {
      const browser = await next.browser('/app-links')
      const matchMultiDom = createMultiDomMatcher(browser)
      await matchMultiDom('meta', 'property', 'content', {
        'al:ios:url': 'https://example.com/ios',
        'al:ios:app_store_id': 'app_store_id',
        'al:android:package': 'com.example.android/package',
        'al:android:app_name': 'app_name_android',
        'al:web:should_fallback': 'true',
      })
    })

    it('should apply metadata when navigating client-side', async () => {
      const browser = await next.browser('/')

      expect(await getTitle(browser)).toBe('index page')
      await browser
        .elementByCss('#to-basic')
        .click()
        .waitForElementByCss('#basic')

      await retry(async () => {
        await checkMetaNameContentPair(
          browser,
          'referrer',
          'origin-when-cross-origin'
        )
      })

      await browser.back().waitForElementByCss('#index')
      expect(await getTitle(browser)).toBe('index page')
      await browser
        .elementByCss('#to-title')
        .click()
        .waitForElementByCss('#title')

      await retry(async () => {
        expect(await getTitle(browser)).toBe('this is the page title')
      })
    })

    it('should support generateMetadata dynamic props', async () => {
      const browser = await next.browser('/dynamic/slug')
      expect(await getTitle(browser)).toBe('params - slug')

      await checkMetaNameContentPair(browser, 'keywords', 'parent,child')

      await browser.loadPage(next.url + '/dynamic/blog?q=xxx')
      await check(
        () => browser.elementByCss('p').text(),
        /params - blog query - xxx/
      )
    })

    it('should handle metadataBase for urls resolved as only URL type', async () => {
      // including few urls in opengraph and alternates
      const url$ = await next.render$('/metadata-base/url')

      // compose with metadataBase
      expect(url$('link[rel="canonical"]').attr('href')).toBe(
        'https://bar.example/url/subpath'
      )

      // override metadataBase
      const urlInstance$ = await next.render$('/metadata-base/url-instance')
      expect(urlInstance$('meta[property="og:url"]').attr('content')).toBe(
        'https://outerspace.com/huozhi.png'
      )
    })

    it('should handle metadataBase as url string', async () => {
      const url$ = await next.render$('/metadata-base/url-string')

      expect(url$('link[rel="canonical"]').attr('href')).toBe(
        'https://example.com/case/metadata-base/url-string'
      )
    })
  })

  describe('opengraph', () => {
    it('should support opengraph tags', async () => {
      const browser = await next.browser('/opengraph')
      const matchMultiDom = createMultiDomMatcher(browser)
      await matchMultiDom('meta', 'property', 'content', {
        'og:title': 'My custom title',
        'og:description': 'My custom description',
        'og:url': 'https://example.com',
        'og:site_name': 'My custom site name',
        'og:locale': 'en-US',
        'og:type': 'website',
        'og:image': [
          'https://example.com/image.png',
          'https://example.com/image2.png',
        ],
        'og:image:width': ['800', '1800'],
        'og:image:height': ['600', '1600'],
        'og:image:alt': 'My custom alt',
        'og:video': 'https://example.com/video.mp4',
        'og:video:width': '800',
        'og:video:height': '450',
        'og:audio': 'https://example.com/audio.mp3',
      })

      await matchMultiDom('meta', 'name', 'content', {
        'twitter:card': 'summary_large_image',
        'twitter:title': 'My custom title',
        'twitter:description': 'My custom description',
        'twitter:image': [
          'https://example.com/image.png',
          'https://example.com/image2.png',
        ],
        'twitter:image:width': ['800', '1800'],
        'twitter:image:height': ['600', '1600'],
        'twitter:image:alt': 'My custom alt',
      })
    })

    it('should support opengraph with article type', async () => {
      const browser = await next.browser('/opengraph/article')
      const matchMultiDom = createMultiDomMatcher(browser)
      await matchMultiDom('meta', 'property', 'content', {
        'og:title': 'My custom title | Layout open graph title',
        'og:description': 'My custom description',
        'og:type': 'article',
        'og:image': 'https://example.com/og-image.jpg',
        'og:email': 'author@vercel.com',
        'og:phone_number': '1234567890',
        'og:fax_number': '1234567890',
        'article:published_time': '2023-01-01T00:00:00.000Z',
        'article:author': ['author1', 'author2', 'author3'],
      })
    })

    it('should pick up opengraph-image and twitter-image as static metadata files', async () => {
      const $ = await next.render$('/opengraph/static')

      const match = createMultiHtmlMatcher($)
      match('meta', 'property', 'content', {
        'og:image:width': '114',
        'og:image:height': '114',
        'og:image:type': 'image/png',
        'og:image:alt': 'A alt txt for og',
        'og:image': isNextDev
          ? expect.stringMatching(
              /http:\/\/localhost:\d+\/opengraph\/static\/opengraph-image/
            )
          : expect.stringMatching(
              new RegExp(
                `https:\\/\\/(${
                  isNextDeploy ? '[^/]+' : 'example\\.com'
                })\\/opengraph\\/static\\/opengraph-image`
              )
            ),
      })

      match('meta', 'name', 'content', {
        'twitter:image': isNextDev
          ? expect.stringMatching(
              /http:\/\/localhost:\d+\/opengraph\/static\/twitter-image/
            )
          : expect.stringMatching(
              new RegExp(
                `https:\\/\\/(${
                  isNextDeploy ? '[^/]+' : 'example\\.com'
                })\\/opengraph\\/static\\/twitter-image`
              )
            ),
        'twitter:image:alt': 'A alt txt for twitter',
        'twitter:card': 'summary_large_image',
      })

      // favicon shouldn't be overridden
      expect($('link[rel="icon"]').attr('href')).toMatch(FAVICON_REGEX)
    })

    it('should override file based images when opengraph-image and twitter-image specify images property', async () => {
      const $ = await next.render$('/opengraph/static/override')

      const match = createMultiHtmlMatcher($)
      match('meta', 'property', 'content', {
        'og:title': 'no-og-image',
        'og:image': undefined,
      })

      match('meta', 'name', 'content', {
        'twitter:image': undefined,
        'twitter:title': 'no-tw-image',
      })

      // icon should be overridden and contain favicon.ico
      const [favicon, ...icons] = $('link[rel="icon"]')
        .toArray()
        .map((i) => $(i).attr('href'))

      expect(favicon).toMatch(FAVICON_REGEX)
      expect(icons).toEqual(['https://custom-icon-1.png'])
    })

    it('metadataBase should override fallback base for resolving OG images', async () => {
      const browser = await next.browser('/metadata-base/opengraph')
      const matchMultiDom = createMultiDomMatcher(browser)

      await matchMultiDom('meta', 'property', 'content', {
        'og:image': 'https://acme.com/og-image.png',
      })
    })
  })

  describe('icons', () => {
    it('should support basic object icons field', async () => {
      const browser = await next.browser('/icons')

      await checkLink(browser, 'shortcut icon', '/shortcut-icon.png')
      await checkLink(browser, 'icon', '/icon.png')
      await checkLink(browser, 'apple-touch-icon', '/apple-icon.png')
      await checkLink(browser, 'other-touch-icon', '/other-touch-icon.png')
    })

    it('should support basic string icons field', async () => {
      const browser = await next.browser('/icons/string')
      await checkLink(browser, 'icon', '/icon.png')
    })

    it('should support basic complex descriptor icons field', async () => {
      const browser = await next.browser('/icons/descriptor')
      const matchDom = createDomMatcher(browser)

      await checkLink(browser, 'shortcut icon', '/shortcut-icon.png')
      await checkLink(browser, 'icon', [
        expect.stringMatching(FAVICON_REGEX),
        '/icon.png',
        'https://example.com/icon.png',
      ])
      await checkLink(browser, 'apple-touch-icon', [
        '/icon2.png',
        '/apple-icon.png',
        '/apple-icon-x3.png',
      ])

      await checkLink(browser, 'other-touch-icon', '/other-touch-icon.png')

      await matchDom('link', 'href="/apple-icon-x3.png"', {
        sizes: '180x180',
        type: 'image/png',
      })
    })

    it('should merge icons from layout if no static icons files are specified', async () => {
      const browser = await next.browser('/icons/descriptor/from-layout')
      const matchDom = createDomMatcher(browser)

      await matchDom('link', 'href="favicon-light.png"', {
        media: '(prefers-color-scheme: light)',
      })
      await matchDom('link', 'href="favicon-dark.png"', {
        media: '(prefers-color-scheme: dark)',
      })
    })

    it('should not hoist meta[itemProp] to head', async () => {
      const $ = await next.render$('/')
      expect($('head meta[itemProp]').length).toBe(0)
      expect($('header meta[itemProp]').length).toBe(1)
    })

    it('should support root level of favicon.ico', async () => {
      let $ = await next.render$('/')
      const favIcon = $('link[rel="icon"]')
      expect(favIcon.attr('href')).toMatch(FAVICON_REGEX)
      expect(favIcon.attr('type')).toBe('image/x-icon')
      // Turbopack renders / emits image differently
      expect(['16x16', '48x48']).toContain(favIcon.attr('sizes'))

      const iconSvg = $('link[rel="icon"][type="image/svg+xml"]')
      expect(iconSvg.attr('href')).toMatch('/icon.svg?')
      // Turbopack renders / emits image differently
      expect(['any', '48x48']).toContain(iconSvg.attr('sizes'))

      $ = await next.render$('/basic')
      const icon = $('link[rel="icon"]')
      expect(icon.attr('href')).toMatch(FAVICON_REGEX)
      expect(['16x16', '48x48']).toContain(favIcon.attr('sizes'))

      if (!isNextDeploy) {
        const faviconFileBuffer = await fs.readFile(
          path.join(next.testDir, 'app/favicon.ico')
        )
        const faviconResponse = Buffer.from(
          await next.fetch('/favicon.ico').then((res) => res.arrayBuffer())
        )
        return expect(Buffer.compare(faviconResponse, faviconFileBuffer)).toBe(
          0
        )
      }
    })
  })

  describe('file based icons', () => {
    it('should render icon and apple touch icon meta if their images are specified', async () => {
      const $ = await next.render$('/icons/static/nested')

      const $icon = $('link[rel="icon"][type!="image/x-icon"]')
      const $appleIcon = $('link[rel="apple-touch-icon"]')

      expect($icon.attr('href')).toMatch(/\/icons\/static\/nested\/icon1/)
      expect($icon.attr('sizes')).toBe('32x32')
      expect($icon.attr('type')).toBe('image/png')
      expect($appleIcon.attr('href')).toMatch(
        /\/icons\/static\/nested\/apple-icon/
      )
      expect($appleIcon.attr('type')).toBe('image/png')
      expect($appleIcon.attr('sizes')).toMatch('114x114')
    })

    it('should not render if image file is not specified', async () => {
      const $ = await next.render$('/icons/static')

      const $icon = $('link[rel="icon"][type!="image/x-icon"]')

      expect($icon.attr('href')).toMatch(/\/icons\/static\/icon/)
      expect($icon.attr('sizes')).toBe('114x114')

      // No apple icon if it's not provided
      const $appleIcon = $('link[rel="apple-touch-icon"]')
      expect($appleIcon.length).toBe(0)

      const $dynamic = await next.render$('/icons/static/dynamic-routes/123')
      const $dynamicIcon = $dynamic('link[rel="icon"][type!="image/x-icon"]')
      const dynamicIconHref = $dynamicIcon.attr('href')
      // Static icon files under dynamic routes use "-" as placeholder
      // since the file content is the same regardless of params
      expect(dynamicIconHref).toMatch(
        /\/icons\/static\/dynamic-routes\/-\/icon/
      )
      const dynamicIconRes = await next.fetch(dynamicIconHref)
      expect(dynamicIconRes.status).toBe(200)
    })
  })

  describe('twitter', () => {
    it('should support twitter card summary_large_image when image present', async () => {
      const browser = await next.browser('/twitter')
      const matchMultiDom = createMultiDomMatcher(browser)

      await matchMultiDom('meta', 'name', 'content', {
        'twitter:title': 'Twitter Title',
        'twitter:description': 'Twitter Description',
        'twitter:site:id': 'siteId',
        'twitter:creator': 'creator',
        'twitter:creator:id': 'creatorId',
        'twitter:image': 'https://twitter.com/image.png',
        'twitter:image:secure_url': 'https://twitter.com/secure.png',
        'twitter:card': 'summary_large_image',
      })
    })

    it('should render twitter card summary when image is not present', async () => {
      const browser = await next.browser('/twitter/no-image')
      const matchMultiDom = createMultiDomMatcher(browser)

      await matchMultiDom('meta', 'name', 'content', {
        'twitter:title': 'Twitter Title',
        'twitter:description': 'Twitter Description',
        'twitter:site:id': 'siteId',
        'twitter:creator': 'creator',
        'twitter:creator:id': 'creatorId',
        'twitter:card': 'summary',
      })
    })

    it('should support default twitter player card', async () => {
      const browser = await next.browser('/twitter/player')
      const matchMultiDom = createMultiDomMatcher(browser)

      await matchMultiDom('meta', 'name', 'content', {
        'twitter:title': 'Twitter Title',
        'twitter:description': 'Twitter Description',
        'twitter:site:id': 'siteId',
        'twitter:creator': 'creator',
        'twitter:creator:id': 'creatorId',
        'twitter:image': 'https://twitter.com/image.png',
        // player properties
        'twitter:card': 'player',
        'twitter:player': 'https://twitter.com/player',
        'twitter:player:stream': 'https://twitter.com/stream',
        'twitter:player:width': '100',
        'twitter:player:height': '100',
      })
    })

    it('should support default twitter app card', async () => {
      const browser = await next.browser('/twitter/app')
      const matchMultiDom = createMultiDomMatcher(browser)

      await matchMultiDom('meta', 'name', 'content', {
        'twitter:title': 'Twitter Title',
        'twitter:description': 'Twitter Description',
        'twitter:site:id': 'siteId',
        'twitter:creator': 'creator',
        'twitter:creator:id': 'creatorId',
        'twitter:image': [
          'https://twitter.com/image-100x100.png',
          'https://twitter.com/image-200x200.png',
        ],
        // app properties
        'twitter:card': 'app',
        'twitter:app:id:iphone': 'twitter_app://iphone',
        'twitter:app:id:ipad': 'twitter_app://ipad',
        'twitter:app:id:googleplay': 'twitter_app://googleplay',
        'twitter:app:url:iphone': 'https://iphone_url',
        'twitter:app:url:ipad': 'https://ipad_url',
        'twitter:app:url:googleplay': undefined,
      })
    })
  })

  describe('static routes', () => {
    it('should have /favicon.ico as route', async () => {
      const res = await next.fetch('/favicon.ico')
      expect(res.status).toBe(200)
      expect(res.headers.get('content-type')).toBe('image/x-icon')
      expect(res.headers.get('cache-control')).toBe(
        isNextDev
          ? 'no-store, must-revalidate'
          : 'public, max-age=0, must-revalidate'
      )
    })

    it('should have icons as route', async () => {
      const resIcon = await next.fetch('/icons/static/icon.png')
      const resAppleIcon = await next.fetch(
        '/icons/static/nested/apple-icon.png'
      )

      expect(resAppleIcon.status).toBe(200)
      expect(resAppleIcon.headers.get('content-type')).toBe('image/png')
      expect(resAppleIcon.headers.get('cache-control')).toBe(
        isNextDev
          ? 'no-store, must-revalidate'
          : 'public, max-age=0, must-revalidate'
      )
      expect(resIcon.status).toBe(200)
      expect(resIcon.headers.get('content-type')).toBe('image/png')
      expect(resIcon.headers.get('cache-control')).toBe(
        isNextDev
          ? 'no-store, must-revalidate'
          : 'public, max-age=0, must-revalidate'
      )
    })

    it('should support root dir robots.txt', async () => {
      const res = await next.fetch('/robots.txt')
      expect(res.headers.get('content-type')).toBe(
        // In dev, sendStatic() is used to send static files, which adds MIME type.
        isNextDev ? 'text/plain; charset=UTF-8' : 'text/plain'
      )
      expect(await res.text()).toContain('User-Agent: *\nDisallow:')
      const invalidRobotsResponse = await next.fetch('/title/robots.txt')
      expect(invalidRobotsResponse.status).toBe(404)
    })

    it('should support sitemap.xml under every routes', async () => {
      const res = await next.fetch('/sitemap.xml')
      expect(res.headers.get('content-type')).toBe('application/xml')
      const sitemap = await res.text()
      expect(sitemap).toContain('<?xml version="1.0" encoding="UTF-8"?>')
      expect(sitemap).toContain(
        '<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">'
      )
      const invalidSitemapResponse = await next.fetch('/title/sitemap.xml')
      expect(invalidSitemapResponse.status).toBe(200)
    })

    it('should support static manifest.webmanifest', async () => {
      const res = await next.fetch('/manifest.webmanifest')
      expect(res.headers.get('content-type')).toBe('application/manifest+json')
      const manifest = await res.json()
      expect(manifest).toMatchObject({
        name: 'Next.js Static Manifest',
        short_name: 'Next.js App',
        description: 'Next.js App',
        start_url: '/',
        display: 'standalone',
        background_color: '#fff',
        theme_color: '#fff',
      })
    })

    if (isNextStart) {
      it('should build favicon.ico as a custom route', async () => {
        const appPathsManifest = JSON.parse(
          await next.readFile('.next/server/app-paths-manifest.json')
        )
        expect(appPathsManifest['/robots.txt/route']).toBe(
          'app/robots.txt/route.js'
        )
        expect(appPathsManifest['/sitemap.xml/route']).toBe(
          'app/sitemap.xml/route.js'
        )
      })
    }
  })

  if (isNextStart) {
    describe('static optimization', () => {
      it('should build static files into static route', async () => {
        expect(
          await next.hasFile(
            '.next/server/app/opengraph/static/opengraph-image.png.meta'
          )
        ).toBe(true)
        expect(
          await next.hasFile(
            '.next/server/app/opengraph/static/opengraph-image.png.body'
          )
        ).toBe(true)
        expect(
          await next.hasFile(
            '.next/server/app/opengraph/static/opengraph-image.png/[__metadata_id__]/route.js'
          )
        ).toBe(false)
      })
    })
  }

  describe('viewport', () => {
    it('should support dynamic viewport export', async () => {
      const browser = await next.browser('/viewport')
      const matchMultiDom = createMultiDomMatcher(browser)
      await matchMultiDom('meta', 'name', 'content', {
        'theme-color': '#000',
      })
    })

    it('should skip initial-scale from viewport if it is set to undefined', async () => {
      const browser = await next.browser('/viewport/skip-initial-scale')
      const matchMultiDom = createMultiDomMatcher(browser)
      await matchMultiDom('meta', 'name', 'content', {
        viewport: 'width=device-width',
      })
    })
  })

  describe('react cache', () => {
    it('should have same title and page value on initial load', async () => {
      const browser = await next.browser('/cache-deduping')
      const value = await browser.elementByCss('#value').text()
      const value2 = await browser.elementByCss('#value2').text()
      // Value in the title should match what's shown on the page component
      const title = await browser.eval(`document.title`)
      const obj = JSON.parse(title)
      // Check `cache()`
      expect(obj.val.toString()).toBe(value)
      // Check `fetch()`
      // TODO-APP: Investigate why fetch deduping doesn't apply but cache() does.
      if (!isNextDev) {
        expect(obj.val2.toString()).toBe(value2)
      }
    })

    it('should have same title and page value when navigating', async () => {
      const browser = await next.browser('/cache-deduping/navigating')
      await browser
        .elementByCss('#link-to-deduping-page')
        .click()
        .waitForElementByCss('#value')
      const value = await browser.elementByCss('#value').text()
      const value2 = await browser.elementByCss('#value2').text()
      // Dynamic metadata streams in async
      await retry(async () => {
        expect(await browser.eval(`document.title`)).toContain(
          '"page":"cache-deduping"'
        )
      })
      // Value in the title should match what's shown on the page component
      const title = await browser.eval(`document.title`)
      const obj = JSON.parse(title)
      // Check `cache()`
      expect(obj.val.toString()).toBe(value)
      // Check `fetch()`
      // TODO-APP: Investigate why fetch deduping doesn't apply but cache() does.
      if (!isNextDev) {
        expect(obj.val2.toString()).toBe(value2)
      }
    })
  })

  it('should not effect metadata images convention like files under pages directory', async () => {
    const iconHtml = await next.render('/blog/icon')
    const ogHtml = await next.render('/blog/opengraph-image')
    expect(iconHtml).toContain('pages-icon-page')
    expect(ogHtml).toContain('pages-opengraph-image-page')
  })

  describe('hmr', () => {
    if (isNextDev) {
      // This test frequently causes a compilation error when run in Turbopack
      // which also causes all subsequent tests to fail. Disabled while we investigate to reduce flakes.
      ;(process.env.IS_TURBOPACK_TEST ? it.skip : it)(
        'should handle updates to the file icon name and order',
        async () => {
          await next.renameFile(
            'app/icons/static/icon.png',
            'app/icons/static/icon2.png'
          )

          await check(async () => {
            const $ = await next.render$('/icons/static')
            const $icon = $('link[rel="icon"][type!="image/x-icon"]')
            return $icon.attr('href')
          }, /\/icons\/static\/icon2/)

          await next.renameFile(
            'app/icons/static/icon2.png',
            'app/icons/static/icon.png'
          )
        }
      )
    }
  })

  it('regression: renders a large shell', async () => {
    const pageErrors: unknown[] = []
    await next.browser('/large-shell/foo', {
      beforePageLoad(page) {
        page.on('pageerror', (error) => {
          pageErrors.push(error)
        })
      },
    })

    // TODO: Assert on errorless pages by default.
    // This isn't 100% accurate.
    // We sometimes receive the pageerror after the hydration complete event
    // since that event is just for shell hydration not everything being hydrated.
    expect(pageErrors).toEqual([])
  })
})