Add tests for universal webpack (#3680)

* Add tests for universal webpack

* Move tests to next-plugins

* Remove obsolete files

* Remove removed page

* Remove tests

* Rename test suite

package.json

@@ -113,6 +113,7 @@
     "@taskr/clear": "1.1.0",
     "@taskr/esnext": "1.1.0",
     "@taskr/watch": "1.1.0",
+    "@zeit/next-css": "0.0.7",
     "babel-eslint": "8.0.1",
     "babel-jest": "21.2.0",
     "babel-plugin-istanbul": "4.1.5",

test/integration/basic/test/index.test.js

@@ -35,6 +35,7 @@ describe('Basic Features', () => {
       renderViaHTTP(context.appPort, '/link'),
       renderViaHTTP(context.appPort, '/stateful'),
       renderViaHTTP(context.appPort, '/stateless'),
+      renderViaHTTP(context.appPort, '/custom-extension'),
       renderViaHTTP(context.appPort, '/styled-jsx'),
       renderViaHTTP(context.appPort, '/with-cdm'),
 

test/integration/custom-server/next.config.js

@@ -0,0 +1,6 @@
+module.exports = {
+  onDemandEntries: {
+    // Make sure entries are not getting disposed.
+    maxInactiveAge: 1000 * 60 * 60
+  }
+}

test/integration/next-plugins/.gitignore

@@ -0,0 +1 @@
+!node_modules

test/integration/next-plugins/components/hello-webpack-css.css

@@ -0,0 +1,3 @@
+.helloWorld {
+  color: red;
+}

test/integration/next-plugins/components/hello-webpack-css.js

@@ -0,0 +1,3 @@
+import css from './hello-webpack-css.css'
+import framework from 'css-framework/framework.css'
+export default () => <div className={`${css.helloWorld} ${framework.frameworkClass}`}>Hello World</div>

test/integration/next-plugins/next.config.js

@@ -0,0 +1,9 @@
+const withCSS = require('@zeit/next-css')
+
+module.exports = withCSS({
+  onDemandEntries: {
+    // Make sure entries are not getting disposed.
+    maxInactiveAge: 1000 * 60 * 60
+  },
+  cssModules: true
+})

test/integration/next-plugins/pages/webpack-css.js

@@ -0,0 +1,3 @@
+import HelloWebpackCSS from '../components/hello-webpack-css'
+
+export default () => <HelloWebpackCSS />

test/integration/next-plugins/test/index.test.js

@@ -0,0 +1,31 @@
+/* global jasmine, describe, beforeAll, afterAll */
+
+import { join } from 'path'
+import {
+  renderViaHTTP,
+  fetchViaHTTP,
+  findPort,
+  launchApp,
+  killApp
+} from 'next-test-utils'
+
+// test suits
+import rendering from './rendering'
+
+const context = {}
+jasmine.DEFAULT_TIMEOUT_INTERVAL = 1000 * 60 * 5
+
+describe('Next Plugins', () => {
+  beforeAll(async () => {
+    context.appPort = await findPort()
+    context.server = await launchApp(join(__dirname, '../'), context.appPort, true)
+
+    // pre-build all pages at the start
+    await Promise.all([
+      renderViaHTTP(context.appPort, '/webpack-css')
+    ])
+  })
+  afterAll(() => killApp(context.server))
+
+  rendering(context, 'Rendering via HTTP', (p, q) => renderViaHTTP(context.appPort, p, q), (p, q) => fetchViaHTTP(context.appPort, p, q))
+})

test/integration/next-plugins/test/rendering.js

@@ -0,0 +1,22 @@
+/* global describe, test, expect */
+
+import cheerio from 'cheerio'
+
+export default function ({ app }, suiteName, render, fetch) {
+  async function get$ (path, query) {
+    const html = await render(path, query)
+    return cheerio.load(html)
+  }
+
+  describe(suiteName, () => {
+    test('renders css imports', async () => {
+      const $ = await get$('/webpack-css')
+      expect($('._46QtCORzC4BWRnIseSbG-').text() === 'Hello World')
+    })
+
+    test('renders non-js imports from node_modules', async () => {
+      const $ = await get$('/webpack-css')
+      expect($('._2pRSkKTPDMGLMnmsEkP__J').text() === 'Hello World')
+    })
+  })
+}

test/integration/production/next.config.js

@@ -0,0 +1,6 @@
+module.exports = {
+  onDemandEntries: {
+    // Make sure entries are not getting disposed.
+    maxInactiveAge: 1000 * 60 * 60
+  }
+}