import test from 'ava' import { resolve } from 'path' import { Nuxt, Builder, Utils } from '..' import { uniq } from 'lodash' import rp from 'request-promise-native' const port = 4008 let nuxt = null // Utils const range = n => [...Array(n).keys()] const FOOBAR_REGEX = /([\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.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 returns an incrementing id // So all responses should strictly be different and length of unique responses should equal to responses // We strictly compare {id} 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 16K requests by default // Related issue: https://github.com/nuxt/nuxt.js/issues/1354 const stressTest = async (t, _url, concurrency = 64, steps = 256) => { 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('Closing server and nuxt.js', t => { nuxt.close() })