tests: Add more tests with dom testing

test/basic.dom.test.js

@@ -1,20 +1,12 @@
 import test from 'ava'
 import { resolve } from 'path'
-import puppeteer from 'puppeteer'
-import { Nuxt, Builder } from '../index.js'
+import { Nuxt, Builder } from '../index'
+import * as browser from './helpers/browser'
 
 const port = 4003
 const url = (route) => 'http://localhost:' + port + route
 
 let nuxt = null
-let browser
-const open = async (path) => {
-  const page = await browser.newPage()
-  await page.goto(url(path))
-  await page.waitForFunction('!!window.$nuxt')
-  page.html = () => page.evaluate(() => window.document.documentElement.outerHTML)
-  return page
-}
 
 // Init nuxt.js and create server listening on localhost:4003
 test.before('Init Nuxt.js', async t => {
@@ -33,34 +25,30 @@ test.before('Init Nuxt.js', async t => {
   await nuxt.listen(port, 'localhost')
 })
 
-test.before('Start Puppeteer', async t => {
-  // https://github.com/GoogleChrome/puppeteer/blob/master/docs/api.md#puppeteerlaunchoptions
-  browser = await puppeteer.launch({
-    args: ['--no-sandbox', '--disable-setuid-sandbox']
-  })
+test.before('Start browser', async t => {
+  await browser.start()
 })
 
 test('/stateless', async t => {
-  const page = await open('/stateless')
-  const h1 = await page.$eval('h1', (h1) => h1.textContent)
-  const loading = await page.evaluate(() => window.$nuxt.$loading.$data)
+  const page = await browser.page(url('/stateless'))
+  const loading = await page.nuxt.loadingData()
 
   t.is(await page.title(), 'Nuxt.js')
-  t.is(h1, 'My component!')
+  t.is(await page.$text('h1'), 'My component!')
   t.is(loading.show, false)
   t.is(loading.percent, 0)
   await page.close()
 })
 
 test('/css', async t => {
-  const page = await open('/css')
+  const page = await browser.page(url('/css'))
   t.is(await page.$eval('.red', (red) => red.textContent), 'This is red')
   t.is(await page.$eval('.red', (red) => window.getComputedStyle(red).color), 'rgb(255, 0, 0)')
   await page.close()
 })
 
 test('/stateful', async t => {
-  const page = await open('/stateful')
+  const page = await browser.page(url('/stateful'))
   const html = await page.html()
   t.true(html.includes('<div><p>The answer is 42</p></div>'))
   await page.close()
@@ -207,7 +195,6 @@ test.after('Closing server and nuxt.js', t => {
   nuxt.close()
 })
 
-test.after('Close Puppeteer', async t => {
-  await browser.close()
-  browser = null
+test.after('Stop browser', async t => {
+  await browser.stop()
 })

test/children.path.test.js

@@ -0,0 +1,80 @@
+import test from 'ava'
+import { resolve } from 'path'
+import { Nuxt, Builder } from '../index.js'
+import * as browser from './helpers/browser'
+
+const port = 4005
+const url = (route) => 'http://localhost:' + port + route
+
+let nuxt = null
+
+// Init nuxt.js and create server listening on localhost:4000
+test.before('Init Nuxt.js', async t => {
+  const options = {
+    rootDir: resolve(__dirname, 'fixtures/children'),
+    dev: false
+  }
+  nuxt = new Nuxt(options)
+  await new Builder(nuxt).build()
+
+  await nuxt.listen(port, 'localhost')
+})
+test.before('Start browser', async t => {
+  await browser.start()
+})
+
+let page
+const dates = {}
+
+test('Loading /patch and keep ', async t => {
+  page = await browser.page(url('/patch'))
+
+  const h1 = await page.$text('h1')
+  t.true(h1.includes('patch:'))
+  const h2 = await page.$text('h2')
+  t.is(h2, 'Index')
+  dates.patch = await page.$text('[data-date-patch]')
+})
+
+test('Navigate to /patch/1', async t => {
+  await page.nuxt.navigate('/patch/1')
+  const loading = await page.nuxt.loadingData()
+  t.is(loading.show, true)
+  await page.nuxt.waitForNavigation()
+
+  const h2 = await page.$text('h2')
+  t.true(h2.includes('_id:'))
+  dates.id = await page.$text('[data-date-id]')
+
+  t.is(dates.patch, await page.$text('[data-date-patch]'))
+})
+
+test('Navigate to /patch/2', async t => {
+  await page.nuxt.navigate('/patch/2', true)
+  const date = await page.$text('[data-date-id]')
+
+  t.is(dates.patch, await page.$text('[data-date-patch]'))
+  t.true(+dates.id < +date)
+  dates.id = date
+})
+
+test('Navigate to /patch/2?test=true', async t => {
+  await page.nuxt.navigate('/patch/2?test=true', true)
+  t.is(dates.patch, await page.$text('[data-date-patch]'))
+  t.is(dates.id, await page.$text('[data-date-id]'))
+})
+
+test('Navigate to /patch/2#test', async t => {
+  await page.nuxt.navigate('/patch/2#test', true)
+  t.is(dates.patch, await page.$text('[data-date-patch]'))
+  t.is(dates.id, await page.$text('[data-date-id]'))
+})
+
+// Close server and ask nuxt to stop listening to file changes
+test.after('Closing server and nuxt.js', t => {
+  nuxt.close()
+})
+test.after('Stop browser', async t => {
+  await page.close()
+  await browser.stop()
+})

test/fixtures/children/layouts/patch.vue

@@ -5,9 +5,11 @@
       <li><nuxt-link data-test-id="patch" to="/patch">/patch</nuxt-link></li>
       <li><nuxt-link data-test-id="patch-id-1" to="/patch/1">/patch/1</nuxt-link></li>
       <li><nuxt-link data-test-id="patch-id-2" to="/patch/2">/patch/2</nuxt-link></li>
+      <li><nuxt-link data-test-id="patch-id-2" to="/patch/2#test">/patch/2#test</nuxt-link></li>
       <li><nuxt-link data-test-id="patch-id-child" to="/patch/2/child">/patch/2/child</nuxt-link></li>
       <li><nuxt-link data-test-id="patch-id-2-child-1" to="/patch/2/child/1">/patch/2/child/1</nuxt-link></li>
       <li><nuxt-link data-test-id="patch-id-2-child-1" to="/patch/2/child/1?query=true">/patch/2/child/1?query=true</nuxt-link></li>
+      <li><nuxt-link data-test-id="patch-id-2-child-1" to="/patch/2/child/1?query=true#test">/patch/2/child/1?query=true#test</nuxt-link></li>
     </ul>
   </div>
 </template>

test/fixtures/children/pages/patch.vue

@@ -1,6 +1,6 @@
 <template>
   <div>
-    <h1>patch: {{ date }}</h1>
+    <h1>patch: <i data-date-patch>{{ date }}</i></h1>
     <nuxt-child/>
   </div>
 </template>

test/fixtures/children/pages/patch/_id.vue

@@ -1,6 +1,6 @@
 <template>
   <div>
-    <h2>_id: {{ date }}</h2>
+    <h2>_id: <i data-date-id>{{ date }}</i></h2>
     <nuxt-child/>
   </div>
 </template>

test/fixtures/children/pages/patch/_id/child/_slug.vue

@@ -1,13 +1,54 @@
 <template>
-  <h4>_id: {{ date }}</h4>
+  <div>
+    <h4>_id: {{ date }}</h4>
+    <input ref="search" type="text" v-model="q" @input="update"/>
+    <ul><li v-for="s in searchResults">{{ s }}</li></ul>
+  </div>
 </template>
 
 <script>
+const countries = [
+  'Bhutan',
+  'United Kingdom',
+  'Guinea',
+  'Czech Republic',
+  'Netherlands'
+]
+async function search(q) {
+  q = String(q || '').toLowerCase()
+
+  return new Promise((resolve) => {
+    const searchResults = countries.filter((s) => s.toLowerCase().includes(q))
+    setTimeout(() => resolve(searchResults), 100)
+  })
+}
+
 export default {
-  asyncData() {
+  watch: {
+    '$route.query.q': async function (q) {
+      this.searchResults = await search(q)
+    }
+  },
+  async asyncData({ query }) {
+    const searchResults = await search(query.q)
     return {
+      searchResults,
       date: Date.now()
     }
+  },
+  data() {
+    return {
+      q: this.$route.query.q || ''
+    }
+  },
+  mounted() {
+    this.$refs.search.selectionStart = this.$refs.search.selectionEnd = this.$refs.search.value.length
+    this.$refs.search.focus()
+  },
+  methods: {
+    update() {
+      this.$router.replace({ query: Object.assign({}, this.$route.query, { q: this.q }) })
+    }
   }
 }
 </script>

test/helpers/browser.js

@@ -0,0 +1,41 @@
+import puppeteer from 'puppeteer'
+
+let browser = null
+
+export async function start() {
+  // https://github.com/GoogleChrome/puppeteer/blob/master/docs/api.md#puppeteerlaunchoptions
+  browser = await puppeteer.launch({
+    args: ['--no-sandbox', '--disable-setuid-sandbox']
+  })
+}
+
+export async function stop() {
+  if (!browser) return
+  await browser.close()
+}
+
+export async function page(url) {
+  if (!browser) throw new Error('Please call start() before page(url)')
+  const page = await browser.newPage()
+  await page.goto(url)
+  await page.waitForFunction('!!window.$nuxt')
+  page.html = () => page.evaluate(() => window.document.documentElement.outerHTML)
+  page.$text = (selector) => page.$eval(selector, (el) => el.textContent)
+  page.$nuxt = await page.evaluateHandle('window.$nuxt')
+
+  page.nuxt = {
+    async navigate(path, wait = false) {
+      await page.evaluate(($nuxt, path) => $nuxt.$router.push(path), page.$nuxt, path)
+      if (wait) {
+        await this.waitForNavigation()
+      }
+    },
+    loadingData() {
+      return page.evaluate(($nuxt) => $nuxt.$loading.$data, page.$nuxt)
+    },
+    waitForNavigation() {
+      return page.waitForFunction('window.$nuxt.$loading.$data.show === false')
+    }
+  }
+  return page
+}