Nuxt/test/ssr.test.js
2018-02-27 00:18:36 +03:30

127 lines
3.5 KiB
JavaScript

import test from 'ava'
import { resolve } from 'path'
import { Nuxt, Builder, Utils } from '..'
import { uniq } from 'lodash'
import rp from 'request-promise-native'
import { interceptLog } from './helpers/console'
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]
const url = route => 'http://localhost:' + port + route
const isWindows = /^win/.test(process.platform)
// Init nuxt.js and create server listening on localhost:4000
test.serial('Init Nuxt.js', async t => {
const rootDir = resolve(__dirname, 'fixtures/ssr')
const config = require(resolve(rootDir, 'nuxt.config.js'))
config.rootDir = rootDir
const logSpy = await interceptLog(async () => {
nuxt = new Nuxt(config)
await new Builder(nuxt).build()
await nuxt.listen(port, 'localhost')
})
t.true(logSpy.calledWithMatch('DONE'))
t.true(logSpy.calledWithMatch('OPEN'))
})
// == Uniq Test ==
// The idea behind is pages using a shared nextId() which returns an incrementing 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')
})
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')
})
// == Stress Test ==
// The idea of this test is to ensure there is no memory or data leak during SSR requests
// Or pending promises/sockets and function calls.
// Making 1K requests by default
// Related issue: https://github.com/nuxt/nuxt.js/issues/1354
const stressTest = async (t, _url, concurrency = 10, steps = 100) => {
let statusCodes = {}
// appveyor memory limit!
if (isWindows) {
concurrency = 1
steps = 1
}
await Utils.sequence(range(steps), async () => {
await Utils.parallel(range(concurrency), async () => {
let response = await rp(url(_url), { resolveWithFullResponse: true })
// Status Code
let code = response.statusCode
if (!statusCodes[code]) {
statusCodes[code] = 0
}
statusCodes[code]++
})
})
t.is(statusCodes[200], concurrency * steps)
}
test('stress test with asyncData', async t => {
await stressTest(t, '/asyncData')
})
// Close server and ask nuxt to stop listening to file changes
test.after.always('Closing server and nuxt.js', async t => {
await nuxt.close()
})