mirror of https://github.com/nuxt/nuxt.git
130 lines
3.6 KiB
JavaScript
130 lines
3.6 KiB
JavaScript
import { uniq } from 'lodash'
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import { loadFixture, getPort, Nuxt, rp, sequence, parallel } from '../utils'
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let port
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let nuxt = null
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// Utils
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const range = n => [...Array(n).keys()]
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const FOOBAR_REGEX = /<Foobar>([\s\S]*)<\/Foobar>/
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const match = (regex, text) => (regex.exec(text) || [])[1]
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const url = route => 'http://127.0.0.1:' + port + route
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// const isWindows = /^win/.test(process.platform)
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// == Uniq Test ==
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// The idea behind is pages using a shared nextId() which returns an incrementing id
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// So all responses should strictly be different and length of unique responses should equal to responses
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// We strictly compare <Foobar>{id}</Foobar> section
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// Because other response parts such as window.__NUXT may be different resulting false positive passes.
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const uniqueTest = async (url) => {
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const results = []
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await parallel(range(5), async () => {
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const { html } = await nuxt.server.renderRoute(url)
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const foobar = match(FOOBAR_REGEX, html)
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results.push(parseInt(foobar))
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})
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const isUnique = uniq(results).length === results.length
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if (!isUnique) {
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/* eslint-disable no-console */
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console.log(url + '\n' + results.join(', ') + '\n')
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}
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expect(isUnique).toBe(true)
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return results
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}
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// == Stress Test ==
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// The idea of this test is to ensure there is no memory or data leak during SSR requests
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// Or pending promises/sockets and function calls.
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// Related issue: https://github.com/nuxt/nuxt.js/issues/1354
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const stressTest = async (_url, concurrency = 2, steps = 4) => {
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const statusCodes = {}
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await sequence(range(steps), async () => {
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await parallel(range(concurrency), async () => {
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const response = await rp(url(_url))
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// Status Code
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const code = response.statusCode
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if (!statusCodes[code]) {
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statusCodes[code] = 0
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}
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statusCodes[code]++
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})
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})
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expect(statusCodes[200]).toBe(concurrency * steps)
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}
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describe('ssr', () => {
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beforeAll(async () => {
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const config = await loadFixture('ssr')
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nuxt = new Nuxt(config)
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await nuxt.ready()
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port = await getPort()
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await nuxt.server.listen(port, '127.0.0.1')
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})
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test('unique responses with data()', async () => {
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await uniqueTest('/data')
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})
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test('unique responses with component', async () => {
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await uniqueTest('/component')
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})
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test('unique responses with async components', async () => {
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await uniqueTest('/asyncComponent')
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})
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test('unique responses with asyncData()', async () => {
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await uniqueTest('/asyncData')
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})
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test('unique responses with store initial state', async () => {
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await uniqueTest('/store')
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})
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test('unique responses with nuxtServerInit', async () => {
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await uniqueTest('/store?onServerInit=1')
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})
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test('unique responses with fetch', async () => {
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await uniqueTest('/fetch')
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})
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test('store undefined variable response', async () => {
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const window = await nuxt.server.renderAndGetWindow(url('/store'))
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expect('idUndefined' in window.__NUXT__.state).toBe(true)
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expect(window.__NUXT__.state.idUndefined).toEqual(undefined)
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})
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test('stress test with asyncData', async () => {
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await stressTest('/asyncData')
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})
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test('does not share state', async () => {
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const [page1, page2] = await Promise.all([
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nuxt.server.renderRoute('/context'),
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nuxt.server.renderRoute('/context/child')
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])
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expect(page1.html).toContain('vm: /context')
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expect(page1.html).toContain('context: /context')
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expect(page2.html).toContain('vm: /context/child')
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expect(page2.html).toContain('context: /context/child')
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})
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// Close server and ask nuxt to stop listening to file changes
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afterAll(async () => {
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await nuxt.close()
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})
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})
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