test (nuxt): add basic test for static generated content

also extend all route-tests to count number of occurrences for no-content meta tags, e.g. `charset`

rel: TiagoDanin#96

.gitignore

@@ -62,4 +62,5 @@ typings/
 
 # Nuxt
 example/.nuxt
+example/.nuxtStatic
 dist/

example/nuxt.config.static.js

@@ -0,0 +1,13 @@
+const path = require('path')
+const baseConfig = require('./nuxt.config')
+
+const buildDir = path.resolve(__dirname, '.nuxtStatic')
+
+module.exports = {
+	...baseConfig,
+	generate: {
+		dir: `${buildDir}/_static`
+	},
+	buildDir,
+	target: 'static'
+}

test/nuxt.js

@@ -1,46 +1,82 @@
 const test = require('ava')
-const {Nuxt, Builder} = require('nuxt')
+const {Nuxt, Builder, Generator} = require('nuxt')
+const fsPromises = require('fs').promises
 const got = require('got')
 const config = require('../example/nuxt.config')
+const configStatic = require('../example/nuxt.config.static')
 
 const url = path => `http://localhost:4000${path}`
 const get = async path => {
 	const {body} = await got(url(path))
 	return body
 }
 
+const staticPath = path => `${configStatic.generate.dir}${path}index.html`
+const getStatic = async path => {
+	return fsPromises.readFile(staticPath(path), {encoding: 'utf8'})
+}
+
 let nuxt = null
 
 test.before('Init Nuxt.js', async () => {
+	// Init SSR
 	config.dev = false
 	config.seo.baseUrl = 'http://localhost:4000'
 	nuxt = new Nuxt(config)
 	await new Builder(nuxt).build()
-	nuxt.listen(4000, 'localhost')
+	await nuxt.listen(4000, 'localhost')
+
+	// Build STATIC
+	configStatic.dev = false
+	const nuxtStatic = new Nuxt(configStatic)
+	const builder = await new Builder(nuxtStatic)
+	const generator = await new Generator(nuxtStatic, builder)
+	await nuxtStatic.listen(4001, 'localhost')
+	const {errors} = await generator.generate({build: false})
+	if (errors.length > 0) {
+		throw new Error('Error generating pages, exiting with non-zero code')
+	}
+
+	await nuxtStatic.close()
 })
 
 test.after('Closing server', () => {
 	nuxt.close()
 })
 
+test('Static route /', async t => {
+	const html = await getStatic('/')
+	t.true(html.includes('<title>Home Page</title>'))
+	t.true(html.match('<meta data-n-head="ssr" data-hid="charset" charset="utf-8">').length === 1)
+})
+
+test('Static route /news', async t => {
+	const html = await getStatic('/news/')
+	t.true(html.includes('<title>Nuxt is the best</title>'))
+	t.true(html.match('<meta data-n-head="ssr" data-hid="charset" charset="utf-8">').length === 1)
+})
+
 test('Route / and render HTML', async t => {
 	const html = await get('/')
 
 	t.true(html.includes('<title>Home Page</title>'))
-	t.true(html.includes('<meta data-n-head="ssr" charset="utf-8"'))
-	t.true(html.includes('<meta data-n-head="ssr" lang="en">'))
-	t.true(html.includes('<meta data-n-head="ssr" language="English">'))
+	t.true(html.match('<meta data-n-head="ssr" data-hid="charset" charset="utf-8">').length === 1)
+	t.true(html.includes('<meta data-n-head="ssr" data-hid="charset" charset="utf-8"'))
+	t.true(html.includes('<meta data-n-head="ssr" data-hid="lang" lang="en">'))
+	t.true(html.includes('<meta data-n-head="ssr" data-hid="language" language="English">'))
 	t.true(html.includes('<meta data-n-head="ssr" data-hid="name" key="name" property="name" name="name" content="App name">'))
 	t.true(html.includes('<meta data-n-head="ssr" data-hid="description" key="description" property="description" name="description" content="Example app with Nuxt Seo">'))
 	t.true(html.includes('<link data-n-head="ssr" rel="canonical" href="http://localhost:4000/">'))
 })
 
 test('Route /news and render HTML', async t => {
+	await get('/news')
+	await get('/')
 	const html = await get('/news')
 	t.true(html.includes('<title>Nuxt is the best</title>'))
-	t.true(html.includes('<meta data-n-head="ssr" charset="utf-8">'))
-	t.true(html.includes('<meta data-n-head="ssr" lang="en">'))
-	t.true(html.includes('<meta data-n-head="ssr" language="English">'))
+	t.true(html.match('<meta data-n-head="ssr" data-hid="charset" charset="utf-8">').length === 1)
+	t.true(html.includes('<meta data-n-head="ssr" data-hid="lang" lang="en">'))
+	t.true(html.includes('<meta data-n-head="ssr" data-hid="language" language="English">'))
 	t.true(html.includes('<meta data-n-head="ssr" data-hid="name" key="name" property="name" name="name" content="App name">'))
 	t.true(html.includes('<meta data-n-head="ssr" data-hid="description" key="description" property="description" name="description" content="Hello World page in blog">'))
 	t.true(html.includes('<meta data-n-head="ssr" data-hid="og:site_name" key="og:site_name" property="og:site_name" name="og:site_name" content="App name">'))