Nuxt/test/ssr.test.js

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2017-07-03 18:19:22 +00:00
import test from 'ava'
import { resolve } from 'path'
import { Nuxt, Builder, Utils } from '..'
import { uniq } from 'lodash'
const port = 4008
let nuxt = null
// Utils
const range = n => [...Array(n).keys()]
const FOOBAR_REGEX = /<foobar>([\s\S]*)<\/foobar>/
const match = (regex, text) => (regex.exec(text) || [])[1]
// Init nuxt.js and create server listening on localhost:4000
test.before('Init Nuxt.js', async t => {
const options = {
rootDir: resolve(__dirname, 'fixtures/ssr'),
dev: false,
render: {
resourceHints: false
},
build: {
extractCSS: true
}
}
nuxt = new Nuxt(options)
await new Builder(nuxt).build()
await nuxt.listen(port, 'localhost')
})
// == Uniq Test ==
// The idea behind is pages using a shared nextId() which retuns an increamenting id
// So all responses should strictly be different and length of unique responses should equal to responses
// We strictly compare <foorbar>{id}</foorbar> section
// Because other response parts such as window.__NUXT may be different resulting false positive passes.
const uniqueTest = async (t, url) => {
let results = []
await Utils.parallel(range(20), async () => {
let { html } = await nuxt.renderRoute(url)
let foobar = match(FOOBAR_REGEX, html)
results.push(parseInt(foobar))
})
let isUnique = uniq(results).length === results.length
if (!isUnique) {
/* eslint-disable no-console */
console.log(url + '\n' + results.join(', ') + '\n')
}
t.true(isUnique)
return results
}
test('unique responses with data()', async t => {
await uniqueTest(t, '/data')
})
test('unique responses with component', async t => {
await uniqueTest(t, '/component')
})
test('unique responses with async components', async t => {
await uniqueTest(t, '/asyncComponent')
})
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test('unique responses with asyncData()', async t => {
await uniqueTest(t, '/asyncData')
})
test('unique responses with store initial state', async t => {
await uniqueTest(t, '/store')
})
test('unique responses with nuxtServerInit', async t => {
await uniqueTest(t, '/store?onServerInit=1')
})
test('unique responses with fetch', async t => {
await uniqueTest(t, '/fetch')
})
// Close server and ask nuxt to stop listening to file changes
test.after('Closing server and nuxt.js', t => {
nuxt.close()
})