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index.test.js
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index.test.js
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/* eslint-env jest */
import url from 'url'
import fs from 'fs-extra'
import cheerio from 'cheerio'
import { join } from 'path'
import webdriver from 'next-webdriver'
import escapeRegex from 'escape-string-regexp'
import {
fetchViaHTTP,
findPort,
killApp,
launchApp,
nextBuild,
nextStart,
renderViaHTTP,
File,
waitFor,
normalizeRegEx,
} from 'next-test-utils'
jest.setTimeout(1000 * 60 * 2)
const appDir = join(__dirname, '../')
const nextConfig = new File(join(appDir, 'next.config.js'))
let app
let appPort
let buildPagesDir
let buildId
const locales = ['en-US', 'nl-NL', 'nl-BE', 'nl', 'fr-BE', 'fr', 'en']
async function addDefaultLocaleCookie(browser) {
// make sure default locale is used in case browser isn't set to
// favor en-US by default, (we use all caps to ensure it's case-insensitive)
await browser.manage().addCookie({ name: 'NEXT_LOCALE', value: 'EN-US' })
await browser.get(browser.initUrl)
}
function runTests(isDev) {
if (!isDev) {
it('should add i18n config to routes-manifest', async () => {
const routesManifest = await fs.readJSON(
join(appDir, '.next/routes-manifest.json')
)
expect(routesManifest.i18n).toEqual({
locales: ['en-US', 'nl-NL', 'nl-BE', 'nl', 'fr-BE', 'fr', 'en'],
defaultLocale: 'en-US',
domains: [
{
http: true,
domain: 'example.be',
defaultLocale: 'nl-BE',
},
{
http: true,
domain: 'example.fr',
defaultLocale: 'fr',
},
],
})
})
it('should output correct prerender-manifest', async () => {
const prerenderManifest = await fs.readJSON(
join(appDir, '.next/prerender-manifest.json')
)
for (const key of Object.keys(prerenderManifest.dynamicRoutes)) {
const item = prerenderManifest.dynamicRoutes[key]
item.routeRegex = normalizeRegEx(item.routeRegex)
item.dataRouteRegex = normalizeRegEx(item.dataRouteRegex)
}
expect(prerenderManifest.routes).toEqual({
'/': {
dataRoute: `/_next/data/${buildId}/index.json`,
initialRevalidateSeconds: false,
srcRoute: null,
},
'/404': {
dataRoute: `/_next/data/${buildId}/404.json`,
initialRevalidateSeconds: false,
srcRoute: null,
},
'/en-US/gsp/fallback/first': {
dataRoute: `/_next/data/${buildId}/en-US/gsp/fallback/first.json`,
initialRevalidateSeconds: false,
srcRoute: '/gsp/fallback/[slug]',
},
'/en-US/gsp/fallback/second': {
dataRoute: `/_next/data/${buildId}/en-US/gsp/fallback/second.json`,
initialRevalidateSeconds: false,
srcRoute: '/gsp/fallback/[slug]',
},
'/en-US/gsp/no-fallback/first': {
dataRoute: `/_next/data/${buildId}/en-US/gsp/no-fallback/first.json`,
initialRevalidateSeconds: false,
srcRoute: '/gsp/no-fallback/[slug]',
},
'/en-US/gsp/no-fallback/second': {
dataRoute: `/_next/data/${buildId}/en-US/gsp/no-fallback/second.json`,
initialRevalidateSeconds: false,
srcRoute: '/gsp/no-fallback/[slug]',
},
'/en-US/not-found/fallback/first': {
dataRoute: `/_next/data/${buildId}/en-US/not-found/fallback/first.json`,
initialRevalidateSeconds: false,
srcRoute: '/not-found/fallback/[slug]',
},
'/en-US/not-found/fallback/second': {
dataRoute: `/_next/data/${buildId}/en-US/not-found/fallback/second.json`,
initialRevalidateSeconds: false,
srcRoute: '/not-found/fallback/[slug]',
},
'/gsp': {
dataRoute: `/_next/data/${buildId}/gsp.json`,
srcRoute: null,
initialRevalidateSeconds: false,
},
'/nl-NL/gsp/no-fallback/second': {
dataRoute: `/_next/data/${buildId}/nl-NL/gsp/no-fallback/second.json`,
initialRevalidateSeconds: false,
srcRoute: '/gsp/no-fallback/[slug]',
},
'/not-found': {
dataRoute: `/_next/data/${buildId}/not-found.json`,
srcRoute: null,
initialRevalidateSeconds: false,
},
})
expect(prerenderManifest.dynamicRoutes).toEqual({
'/gsp/fallback/[slug]': {
routeRegex: normalizeRegEx(
'^\\/gsp\\/fallback\\/([^\\/]+?)(?:\\/)?$'
),
dataRoute: `/_next/data/${buildId}/gsp/fallback/[slug].json`,
fallback: '/gsp/fallback/[slug].html',
dataRouteRegex: normalizeRegEx(
`^\\/_next\\/data\\/${escapeRegex(
buildId
)}\\/gsp\\/fallback\\/([^\\/]+?)\\.json$`
),
},
'/gsp/no-fallback/[slug]': {
routeRegex: normalizeRegEx(
'^\\/gsp\\/no\\-fallback\\/([^\\/]+?)(?:\\/)?$'
),
dataRoute: `/_next/data/${buildId}/gsp/no-fallback/[slug].json`,
fallback: false,
dataRouteRegex: normalizeRegEx(
`^/_next/data/${escapeRegex(
buildId
)}/gsp/no\\-fallback/([^/]+?)\\.json$`
),
},
'/not-found/fallback/[slug]': {
dataRoute: `/_next/data/${buildId}/not-found/fallback/[slug].json`,
dataRouteRegex: normalizeRegEx(
`^\\/_next\\/data\\/${escapeRegex(
buildId
)}\\/not\\-found\\/fallback\\/([^\\/]+?)\\.json$`
),
fallback: '/not-found/fallback/[slug].html',
routeRegex: normalizeRegEx('^/not\\-found/fallback/([^/]+?)(?:/)?$'),
},
})
})
}
it('should navigate with locale prop correctly', async () => {
const browser = await webdriver(appPort, '/links?nextLocale=fr')
await addDefaultLocaleCookie(browser)
await browser.eval('window.beforeNav = 1')
expect(await browser.elementByCss('#router-pathname').text()).toBe('/links')
expect(await browser.elementByCss('#router-as-path').text()).toBe(
'/links?nextLocale=fr'
)
expect(await browser.elementByCss('#router-locale').text()).toBe('en-US')
expect(
JSON.parse(await browser.elementByCss('#router-locales').text())
).toEqual(locales)
expect(
JSON.parse(await browser.elementByCss('#router-query').text())
).toEqual({ nextLocale: 'fr' })
await browser.elementByCss('#to-another').click()
await browser.waitForElementByCss('#another')
expect(await browser.elementByCss('#router-pathname').text()).toBe(
'/another'
)
expect(await browser.elementByCss('#router-as-path').text()).toBe(
'/another'
)
expect(await browser.elementByCss('#router-locale').text()).toBe('fr')
expect(
JSON.parse(await browser.elementByCss('#router-locales').text())
).toEqual(locales)
expect(
JSON.parse(await browser.elementByCss('#router-query').text())
).toEqual({})
let parsedUrl = url.parse(await browser.eval('window.location.href'), true)
expect(parsedUrl.pathname).toBe('/fr/another')
expect(parsedUrl.query).toEqual({})
await browser.eval('window.history.back()')
await browser.waitForElementByCss('#links')
expect(await browser.elementByCss('#router-pathname').text()).toBe('/links')
expect(await browser.elementByCss('#router-as-path').text()).toBe(
'/links?nextLocale=fr'
)
expect(await browser.elementByCss('#router-locale').text()).toBe('en-US')
expect(
JSON.parse(await browser.elementByCss('#router-locales').text())
).toEqual(locales)
expect(
JSON.parse(await browser.elementByCss('#router-query').text())
).toEqual({ nextLocale: 'fr' })
parsedUrl = url.parse(await browser.eval('window.location.href'), true)
expect(parsedUrl.pathname).toBe('/links')
expect(parsedUrl.query).toEqual({ nextLocale: 'fr' })
await browser.eval('window.history.forward()')
await browser.waitForElementByCss('#another')
expect(await browser.elementByCss('#router-pathname').text()).toBe(
'/another'
)
expect(await browser.elementByCss('#router-as-path').text()).toBe(
'/another'
)
expect(await browser.elementByCss('#router-locale').text()).toBe('fr')
expect(
JSON.parse(await browser.elementByCss('#router-locales').text())
).toEqual(locales)
expect(
JSON.parse(await browser.elementByCss('#router-query').text())
).toEqual({})
parsedUrl = url.parse(await browser.eval('window.location.href'), true)
expect(parsedUrl.pathname).toBe('/fr/another')
expect(parsedUrl.query).toEqual({})
expect(await browser.eval('window.beforeNav')).toBe(1)
})
it('should navigate with locale prop correctly GSP', async () => {
const browser = await webdriver(appPort, '/links?nextLocale=nl')
await addDefaultLocaleCookie(browser)
expect(await browser.elementByCss('#router-pathname').text()).toBe('/links')
expect(await browser.elementByCss('#router-as-path').text()).toBe(
'/links?nextLocale=nl'
)
expect(await browser.elementByCss('#router-locale').text()).toBe('en-US')
expect(
JSON.parse(await browser.elementByCss('#router-locales').text())
).toEqual(locales)
expect(
JSON.parse(await browser.elementByCss('#router-query').text())
).toEqual({ nextLocale: 'nl' })
await browser.elementByCss('#to-fallback-first').click()
await browser.waitForElementByCss('#gsp')
expect(await browser.elementByCss('#router-pathname').text()).toBe(
'/gsp/fallback/[slug]'
)
expect(await browser.elementByCss('#router-as-path').text()).toBe(
'/gsp/fallback/first'
)
expect(await browser.elementByCss('#router-locale').text()).toBe('nl')
expect(
JSON.parse(await browser.elementByCss('#router-locales').text())
).toEqual(locales)
expect(
JSON.parse(await browser.elementByCss('#router-query').text())
).toEqual({ slug: 'first' })
let parsedUrl = url.parse(await browser.eval('window.location.href'), true)
expect(parsedUrl.pathname).toBe('/nl/gsp/fallback/first')
expect(parsedUrl.query).toEqual({})
await browser.eval('window.history.back()')
await browser.waitForElementByCss('#links')
expect(await browser.elementByCss('#router-pathname').text()).toBe('/links')
expect(await browser.elementByCss('#router-as-path').text()).toBe(
'/links?nextLocale=nl'
)
expect(await browser.elementByCss('#router-locale').text()).toBe('en-US')
expect(
JSON.parse(await browser.elementByCss('#router-locales').text())
).toEqual(locales)
expect(
JSON.parse(await browser.elementByCss('#router-query').text())
).toEqual({ nextLocale: 'nl' })
parsedUrl = url.parse(await browser.eval('window.location.href'), true)
expect(parsedUrl.pathname).toBe('/links')
expect(parsedUrl.query).toEqual({ nextLocale: 'nl' })
await browser.eval('window.history.forward()')
await browser.waitForElementByCss('#gsp')
expect(await browser.elementByCss('#router-pathname').text()).toBe(
'/gsp/fallback/[slug]'
)
expect(await browser.elementByCss('#router-as-path').text()).toBe(
'/gsp/fallback/first'
)
expect(await browser.elementByCss('#router-locale').text()).toBe('nl')
expect(
JSON.parse(await browser.elementByCss('#router-locales').text())
).toEqual(locales)
expect(
JSON.parse(await browser.elementByCss('#router-query').text())
).toEqual({ slug: 'first' })
parsedUrl = url.parse(await browser.eval('window.location.href'), true)
expect(parsedUrl.pathname).toBe('/nl/gsp/fallback/first')
expect(parsedUrl.query).toEqual({})
})
it('should navigate with locale false correctly', async () => {
const browser = await webdriver(appPort, '/locale-false?nextLocale=fr')
await addDefaultLocaleCookie(browser)
await browser.eval('window.beforeNav = 1')
expect(await browser.elementByCss('#router-pathname').text()).toBe(
'/locale-false'
)
expect(await browser.elementByCss('#router-as-path').text()).toBe(
'/locale-false?nextLocale=fr'
)
expect(await browser.elementByCss('#router-locale').text()).toBe('en-US')
expect(
JSON.parse(await browser.elementByCss('#router-locales').text())
).toEqual(locales)
expect(
JSON.parse(await browser.elementByCss('#router-query').text())
).toEqual({ nextLocale: 'fr' })
await browser.elementByCss('#to-another').click()
await browser.waitForElementByCss('#another')
expect(await browser.elementByCss('#router-pathname').text()).toBe(
'/another'
)
expect(await browser.elementByCss('#router-as-path').text()).toBe(
'/another'
)
expect(await browser.elementByCss('#router-locale').text()).toBe('fr')
expect(
JSON.parse(await browser.elementByCss('#router-locales').text())
).toEqual(locales)
expect(
JSON.parse(await browser.elementByCss('#router-query').text())
).toEqual({})
let parsedUrl = url.parse(await browser.eval('window.location.href'), true)
expect(parsedUrl.pathname).toBe('/fr/another')
expect(parsedUrl.query).toEqual({})
await browser.eval('window.history.back()')
await browser.waitForElementByCss('#links')
expect(await browser.elementByCss('#router-pathname').text()).toBe(
'/locale-false'
)
expect(await browser.elementByCss('#router-as-path').text()).toBe(
'/locale-false?nextLocale=fr'
)
expect(await browser.elementByCss('#router-locale').text()).toBe('en-US')
expect(
JSON.parse(await browser.elementByCss('#router-locales').text())
).toEqual(locales)
expect(
JSON.parse(await browser.elementByCss('#router-query').text())
).toEqual({ nextLocale: 'fr' })
parsedUrl = url.parse(await browser.eval('window.location.href'), true)
expect(parsedUrl.pathname).toBe('/locale-false')
expect(parsedUrl.query).toEqual({ nextLocale: 'fr' })
await browser.eval('window.history.forward()')
await browser.waitForElementByCss('#another')
expect(await browser.elementByCss('#router-pathname').text()).toBe(
'/another'
)
expect(await browser.elementByCss('#router-as-path').text()).toBe(
'/another'
)
expect(await browser.elementByCss('#router-locale').text()).toBe('fr')
expect(
JSON.parse(await browser.elementByCss('#router-locales').text())
).toEqual(locales)
expect(
JSON.parse(await browser.elementByCss('#router-query').text())
).toEqual({})
parsedUrl = url.parse(await browser.eval('window.location.href'), true)
expect(parsedUrl.pathname).toBe('/fr/another')
expect(parsedUrl.query).toEqual({})
expect(await browser.eval('window.beforeNav')).toBe(1)
})
it('should navigate with locale false correctly GSP', async () => {
const browser = await webdriver(appPort, '/locale-false?nextLocale=nl')
await addDefaultLocaleCookie(browser)
expect(await browser.elementByCss('#router-pathname').text()).toBe(
'/locale-false'
)
expect(await browser.elementByCss('#router-as-path').text()).toBe(
'/locale-false?nextLocale=nl'
)
expect(await browser.elementByCss('#router-locale').text()).toBe('en-US')
expect(
JSON.parse(await browser.elementByCss('#router-locales').text())
).toEqual(locales)
expect(
JSON.parse(await browser.elementByCss('#router-query').text())
).toEqual({ nextLocale: 'nl' })
await browser.elementByCss('#to-fallback-first').click()
await browser.waitForElementByCss('#gsp')
expect(await browser.elementByCss('#router-pathname').text()).toBe(
'/gsp/fallback/[slug]'
)
expect(await browser.elementByCss('#router-as-path').text()).toBe(
'/gsp/fallback/first'
)
expect(await browser.elementByCss('#router-locale').text()).toBe('nl')
expect(
JSON.parse(await browser.elementByCss('#router-locales').text())
).toEqual(locales)
expect(
JSON.parse(await browser.elementByCss('#router-query').text())
).toEqual({ slug: 'first' })
let parsedUrl = url.parse(await browser.eval('window.location.href'), true)
expect(parsedUrl.pathname).toBe('/nl/gsp/fallback/first')
expect(parsedUrl.query).toEqual({})
await browser.eval('window.history.back()')
await browser.waitForElementByCss('#links')
expect(await browser.elementByCss('#router-pathname').text()).toBe(
'/locale-false'
)
expect(await browser.elementByCss('#router-as-path').text()).toBe(
'/locale-false?nextLocale=nl'
)
expect(await browser.elementByCss('#router-locale').text()).toBe('en-US')
expect(
JSON.parse(await browser.elementByCss('#router-locales').text())
).toEqual(locales)
expect(
JSON.parse(await browser.elementByCss('#router-query').text())
).toEqual({ nextLocale: 'nl' })
parsedUrl = url.parse(await browser.eval('window.location.href'), true)
expect(parsedUrl.pathname).toBe('/locale-false')
expect(parsedUrl.query).toEqual({ nextLocale: 'nl' })
await browser.eval('window.history.forward()')
await browser.waitForElementByCss('#gsp')
expect(await browser.elementByCss('#router-pathname').text()).toBe(
'/gsp/fallback/[slug]'
)
expect(await browser.elementByCss('#router-as-path').text()).toBe(
'/gsp/fallback/first'
)
expect(await browser.elementByCss('#router-locale').text()).toBe('nl')
expect(
JSON.parse(await browser.elementByCss('#router-locales').text())
).toEqual(locales)
expect(
JSON.parse(await browser.elementByCss('#router-query').text())
).toEqual({ slug: 'first' })
parsedUrl = url.parse(await browser.eval('window.location.href'), true)
expect(parsedUrl.pathname).toBe('/nl/gsp/fallback/first')
expect(parsedUrl.query).toEqual({})
})
it('should update asPath on the client correctly', async () => {
for (const check of ['en', 'En']) {
const browser = await webdriver(appPort, `/${check}`)
expect(await browser.elementByCss('html').getAttribute('lang')).toBe('en')
expect(await browser.elementByCss('#router-locale').text()).toBe('en')
expect(
JSON.parse(await browser.elementByCss('#router-locales').text())
).toEqual(locales)
expect(await browser.elementByCss('#router-as-path').text()).toBe('/')
expect(await browser.elementByCss('#router-pathname').text()).toBe('/')
}
})
if (!isDev) {
it('should handle fallback correctly after generating', async () => {
const browser = await webdriver(
appPort,
'/en/gsp/fallback/hello-fallback'
)
// wait for the fallback to be generated/stored to ISR cache
browser.waitForElementByCss('#gsp')
// now make sure we're serving the previously generated file from the cache
const html = await renderViaHTTP(
appPort,
'/en/gsp/fallback/hello-fallback'
)
const $ = cheerio.load(html)
expect($('#gsp').text()).toBe('gsp page')
expect($('#router-locale').text()).toBe('en')
expect(JSON.parse($('#router-locales').text())).toEqual(locales)
expect($('#router-pathname').text()).toBe('/gsp/fallback/[slug]')
expect($('#router-as-path').text()).toBe('/gsp/fallback/hello-fallback')
})
}
it('should use correct default locale for locale domains', async () => {
const res = await fetchViaHTTP(appPort, '/', undefined, {
headers: {
host: 'example.fr',
},
})
expect(res.status).toBe(200)
const html = await res.text()
const $ = cheerio.load(html)
expect($('html').attr('lang')).toBe('fr')
expect($('#router-locale').text()).toBe('fr')
expect($('#router-as-path').text()).toBe('/')
expect($('#router-pathname').text()).toBe('/')
// expect(JSON.parse($('#router-locales').text())).toEqual(['fr','fr-BE'])
expect(JSON.parse($('#router-locales').text())).toEqual(locales)
const res2 = await fetchViaHTTP(appPort, '/', undefined, {
headers: {
host: 'example.be',
},
})
expect(res2.status).toBe(200)
const html2 = await res2.text()
const $2 = cheerio.load(html2)
expect($2('html').attr('lang')).toBe('nl-BE')
expect($2('#router-locale').text()).toBe('nl-BE')
expect($2('#router-as-path').text()).toBe('/')
expect($2('#router-pathname').text()).toBe('/')
// expect(JSON.parse($2('#router-locales').text())).toEqual(['nl-BE','fr-BE'])
expect(JSON.parse($2('#router-locales').text())).toEqual(locales)
})
it('should not strip locale prefix for default locale with locale domains', async () => {
const res = await fetchViaHTTP(appPort, '/fr', undefined, {
headers: {
host: 'example.fr',
},
redirect: 'manual',
})
expect(res.status).toBe(200)
// const result = url.parse(res.headers.get('location'), true)
// expect(result.pathname).toBe('/')
// expect(result.query).toEqual({})
const res2 = await fetchViaHTTP(appPort, '/nl-BE', undefined, {
headers: {
host: 'example.be',
},
redirect: 'manual',
})
expect(res2.status).toBe(200)
// const result2 = url.parse(res2.headers.get('location'), true)
// expect(result2.pathname).toBe('/')
// expect(result2.query).toEqual({})
})
// ('should set locale cookie when removing default locale and accept-lang doesnt match', async () => {
// const res = await fetchViaHTTP(appPort, '/en-US', undefined, {
// headers: {
// 'accept-language': 'nl',
// },
// redirect: 'manual',
// })
// expect(res.status).toBe(307)
// const parsedUrl = url.parse(res.headers.get('location'), true)
// expect(parsedUrl.pathname).toBe('/')
// expect(parsedUrl.query).toEqual({})
// expect(res.headers.get('set-cookie')).toContain('NEXT_LOCALE=en-US')
// })
it('should not redirect to accept-lang preferred locale with locale cookie', async () => {
const res = await fetchViaHTTP(appPort, '/', undefined, {
headers: {
'accept-language': 'nl',
cookie: 'NEXT_LOCALE=en-US',
},
redirect: 'manual',
})
expect(res.status).toBe(200)
const html = await res.text()
const $ = cheerio.load(html)
expect($('#router-locale').text()).toBe('en-US')
expect(JSON.parse($('#router-locales').text())).toEqual(locales)
expect($('html').attr('lang')).toBe('en-US')
expect($('#router-pathname').text()).toBe('/')
expect($('#router-as-path').text()).toBe('/')
})
it('should redirect to correct locale domain', async () => {
const checks = [
// test domain, locale prefix, redirect result
// ['example.be', 'nl-BE', 'http://example.be/'],
['example.be', 'fr', 'http://example.fr/'],
['example.fr', 'nl-BE', 'http://example.be/'],
// ['example.fr', 'fr', 'http://example.fr/'],
]
for (const check of checks) {
const [domain, locale, location] = check
const res = await fetchViaHTTP(appPort, `/`, undefined, {
headers: {
host: domain,
'accept-language': locale,
},
redirect: 'manual',
})
expect(res.status).toBe(307)
expect(res.headers.get('location')).toBe(location)
}
})
it('should handle locales with domain', async () => {
const checkDomainLocales = async (domainDefault = '', domain = '') => {
for (const locale of locales) {
// skip other domains' default locale since we redirect these
if (['fr', 'nl-BE'].includes(locale) && locale !== domainDefault) {
continue
}
const res = await fetchViaHTTP(
appPort,
`/${locale === domainDefault ? '' : locale}`,
undefined,
{
headers: {
host: domain,
},
redirect: 'manual',
}
)
expect(res.status).toBe(200)
const html = await res.text()
const $ = cheerio.load(html)
expect($('html').attr('lang')).toBe(locale)
expect($('#router-locale').text()).toBe(locale)
expect(JSON.parse($('#router-locales').text())).toEqual(locales)
}
}
await checkDomainLocales('nl-BE', 'example.be')
await checkDomainLocales('fr', 'example.fr')
})
it('should generate AMP pages with all locales', async () => {
for (const locale of locales) {
const localePath = locale !== 'en-US' ? `/${locale}` : ''
const html = await renderViaHTTP(appPort, `${localePath}/amp/amp-hybrid`)
const $ = cheerio.load(html)
expect($('html').attr('lang')).toBe(locale)
expect($('#is-amp').text()).toBe('no')
expect($('#router-locale').text()).toBe(locale)
expect(JSON.parse($('#router-locales').text())).toEqual(locales)
expect($('#router-pathname').text()).toBe('/amp/amp-hybrid')
expect($('#router-as-path').text()).toBe('/amp/amp-hybrid')
expect(JSON.parse($('#router-query').text())).toEqual({})
const amphtmlPath = `${localePath}/amp/amp-hybrid${
isDev ? '?amp=1' : '.amp'
}`
expect($('link[rel=amphtml]').attr('href')).toBe(amphtmlPath)
const html2 = await renderViaHTTP(appPort, amphtmlPath)
const $2 = cheerio.load(html2)
expect($2('html').attr('lang')).toBe(locale)
expect($2('#is-amp').text()).toBe('yes')
expect($2('#router-locale').text()).toBe(locale)
expect(JSON.parse($2('#router-locales').text())).toEqual(locales)
expect($2('#router-pathname').text()).toBe('/amp/amp-hybrid')
expect($2('#router-as-path').text()).toBe('/amp/amp-hybrid')
expect(JSON.parse($2('#router-query').text())).toEqual({ amp: '1' })
expect($2('link[rel=amphtml]').attr('href')).toBeFalsy()
}
})
it('should work with AMP first page with all locales', async () => {
for (const locale of locales) {
const localePath = locale !== 'en-US' ? `/${locale}` : ''
const html = await renderViaHTTP(appPort, `${localePath}/amp/amp-first`)
const $ = cheerio.load(html)
expect($('html').attr('lang')).toBe(locale)
expect($('#is-amp').text()).toBe('yes')
expect($('#router-locale').text()).toBe(locale)
expect(JSON.parse($('#router-locales').text())).toEqual(locales)
expect($('#router-pathname').text()).toBe('/amp/amp-first')
expect($('#router-as-path').text()).toBe('/amp/amp-first')
expect(JSON.parse($('#router-query').text())).toEqual({})
expect($('link[rel=amphtml]').attr('href')).toBeFalsy()
}
})
it('should generate fallbacks with all locales', async () => {
for (const locale of locales) {
const html = await renderViaHTTP(
appPort,
`/${locale}/gsp/fallback/${Math.random()}`
)
const $ = cheerio.load(html)
expect($('html').attr('lang')).toBe(locale)
}
})
it('should generate auto-export page with all locales', async () => {
for (const locale of locales) {
const html = await renderViaHTTP(appPort, `/${locale}`)
const $ = cheerio.load(html)
expect($('html').attr('lang')).toBe(locale)
expect($('#router-locale').text()).toBe(locale)
expect($('#router-as-path').text()).toBe('/')
expect($('#router-pathname').text()).toBe('/')
expect(JSON.parse($('#router-locales').text())).toEqual(locales)
const html2 = await renderViaHTTP(appPort, `/${locale}/auto-export`)
const $2 = cheerio.load(html2)
expect($2('html').attr('lang')).toBe(locale)
expect($2('#router-locale').text()).toBe(locale)
expect($2('#router-as-path').text()).toBe('/auto-export')
expect($2('#router-pathname').text()).toBe('/auto-export')
expect(JSON.parse($2('#router-locales').text())).toEqual(locales)
}
})
it('should generate non-dynamic GSP page with all locales', async () => {
for (const locale of locales) {
const html = await renderViaHTTP(appPort, `/${locale}/gsp`)
const $ = cheerio.load(html)
expect($('html').attr('lang')).toBe(locale)
expect($('#router-locale').text()).toBe(locale)
expect($('#router-as-path').text()).toBe('/gsp')
expect($('#router-pathname').text()).toBe('/gsp')
expect(JSON.parse($('#router-locales').text())).toEqual(locales)
// make sure locale is case-insensitive
const html2 = await renderViaHTTP(appPort, `/${locale.toUpperCase()}/gsp`)
const $2 = cheerio.load(html2)
expect($2('html').attr('lang')).toBe(locale)
expect($2('#router-locale').text()).toBe(locale)
expect($2('#router-as-path').text()).toBe('/gsp')
expect($2('#router-pathname').text()).toBe('/gsp')
expect(JSON.parse($2('#router-locales').text())).toEqual(locales)
}
})
if (!isDev) {
it('should not output GSP pages that returned notFound', async () => {
const skippedLocales = ['en', 'nl']
for (const locale of locales) {
const pagePath = join(buildPagesDir, locale, 'not-found.html')
const dataPath = join(buildPagesDir, locale, 'not-found.json')
console.log(pagePath)
expect(await fs.exists(pagePath)).toBe(!skippedLocales.includes(locale))
expect(await fs.exists(dataPath)).toBe(!skippedLocales.includes(locale))
}
})
}
it('should 404 for GSP pages that returned notFound', async () => {
const skippedLocales = ['en', 'nl']
for (const locale of locales) {
const res = await fetchViaHTTP(appPort, `/${locale}/not-found`)
expect(res.status).toBe(skippedLocales.includes(locale) ? 404 : 200)
if (skippedLocales.includes(locale)) {
const browser = await webdriver(appPort, `/${locale}/not-found`)
expect(await browser.elementByCss('html').getAttribute('lang')).toBe(
locale
)
expect(
await browser.eval('document.documentElement.innerHTML')
).toContain('This page could not be found')
const props = JSON.parse(await browser.elementByCss('#props').text())
expect(props.is404).toBe(true)
expect(props.locale).toBe(locale)
const parsedUrl = url.parse(
await browser.eval('window.location.href'),
true
)
expect(parsedUrl.pathname).toBe(`/${locale}/not-found`)
expect(parsedUrl.query).toEqual({})
}
}
})
it('should 404 for GSP that returned notFound on client-transition', async () => {
const browser = await webdriver(appPort, '/en')
await browser.eval(`(function() {
window.beforeNav = 1
window.next.router.push('/not-found')
})()`)
await browser.waitForElementByCss('h1')
expect(await browser.elementByCss('html').getAttribute('lang')).toBe('en')
expect(await browser.elementByCss('html').text()).toContain(
'This page could not be found'
)
const props = JSON.parse(await browser.elementByCss('#props').text())
expect(props.is404).toBe(true)
expect(props.locale).toBe('en')
expect(await browser.eval('window.beforeNav')).toBe(null)
})
it('should render 404 for fallback page that returned 404 on client transition', async () => {
const browser = await webdriver(appPort, '/en', true, true)
await browser.eval(`(function() {
next.router.push('/not-found/fallback/first')
})()`)
await browser.waitForElementByCss('h1')
await browser.eval('window.beforeNav = 1')
expect(await browser.elementByCss('html').text()).toContain(
'This page could not be found'
)
const props = JSON.parse(await browser.elementByCss('#props').text())
expect(props.is404).toBe(true)
expect(props.locale).toBe('en')
expect(await browser.elementByCss('html').getAttribute('lang')).toBe('en')
const parsedUrl = url.parse(
await browser.eval('window.location.href'),
true
)
expect(parsedUrl.pathname).toBe('/en/not-found/fallback/first')
expect(parsedUrl.query).toEqual({})
if (isDev) {
// make sure page doesn't reload un-necessarily in development
await waitFor(10 * 1000)
}
expect(await browser.eval('window.beforeNav')).toBe(1)
})
it('should render 404 for fallback page that returned 404', async () => {
const browser = await webdriver(
appPort,
'/en/not-found/fallback/first',
true,
true
)
await browser.waitForElementByCss('h1')
await browser.eval('window.beforeNav = 1')
expect(await browser.elementByCss('html').text()).toContain(
'This page could not be found'
)
const props = JSON.parse(await browser.elementByCss('#props').text())
expect(props.is404).toBe(true)
expect(props.locale).toBe('en')
expect(await browser.elementByCss('html').getAttribute('lang')).toBe('en')
const parsedUrl = url.parse(
await browser.eval('window.location.href'),
true
)
expect(parsedUrl.pathname).toBe('/en/not-found/fallback/first')
expect(parsedUrl.query).toEqual({})
if (isDev) {
// make sure page doesn't reload un-necessarily in development
await waitFor(10 * 1000)
}
expect(await browser.eval('window.beforeNav')).toBe(1)
})
it('should not remove locale prefix for default locale', async () => {
const res = await fetchViaHTTP(appPort, '/en-US', undefined, {
redirect: 'manual',
headers: {
'Accept-Language': 'en-US;q=0.9',
},
})
expect(res.status).toBe(200)
// const parsedUrl = url.parse(res.headers.get('location'), true)
// expect(parsedUrl.pathname).toBe('/')
// expect(parsedUrl.query).toEqual({})
// make sure locale is case-insensitive
const res2 = await fetchViaHTTP(appPort, '/eN-Us', undefined, {
redirect: 'manual',
headers: {
'Accept-Language': 'en-US;q=0.9',
},
})
expect(res2.status).toBe(200)
// const parsedUrl2 = url.parse(res.headers.get('location'), true)
// expect(parsedUrl2.pathname).toBe('/')
// expect(parsedUrl2.query).toEqual({})
})
it('should load getStaticProps page correctly SSR (default locale no prefix)', async () => {
const html = await renderViaHTTP(appPort, '/gsp')
const $ = cheerio.load(html)
expect(JSON.parse($('#props').text())).toEqual({
locale: 'en-US',
locales,
})
expect($('#router-locale').text()).toBe('en-US')
expect(JSON.parse($('#router-locales').text())).toEqual(locales)
expect($('html').attr('lang')).toBe('en-US')
})
it('should load getStaticProps fallback prerender page correctly SSR (default locale no prefix)', async () => {
const html = await renderViaHTTP(appPort, '/gsp/fallback/first')
const $ = cheerio.load(html)
expect(JSON.parse($('#props').text())).toEqual({
locale: 'en-US',
locales,
params: {
slug: 'first',
},
})
expect(JSON.parse($('#router-query').text())).toEqual({
slug: 'first',
})
expect($('#router-locale').text()).toBe('en-US')
expect(JSON.parse($('#router-locales').text())).toEqual(locales)
expect($('html').attr('lang')).toBe('en-US')
})
it('should load getStaticProps fallback non-prerender page correctly (default locale no prefix', async () => {
const browser = await webdriver(appPort, '/gsp/fallback/another')
await browser.waitForElementByCss('#props')
expect(JSON.parse(await browser.elementByCss('#props').text())).toEqual({
locale: 'en-US',
locales,
params: {
slug: 'another',
},
})