Add test for cache-control in development

test/integration/basic/test/rendering.js

@@ -1,6 +1,8 @@
 /* global describe, test, it, expect */
 
 import cheerio from 'cheerio'
+import {BUILD_MANIFEST, REACT_LOADABLE_MANIFEST} from 'next/constants'
+import { join } from 'path'
 
 export default function ({ app }, suiteName, render, fetch, appPort) {
   async function get$ (path, query) {
@@ -164,6 +166,44 @@ export default function ({ app }, suiteName, render, fetch, appPort) {
       // Sourcemaps are applied by react-error-overlay, so we can't check them on SSR.
     })
 
+    it('should set Cache-Control header', async () => {
+      const buildId = 'development'
+
+      // build dynamic page
+      await fetch('/dynamic/ssr')
+
+      const buildManifest = require(join('../.next', BUILD_MANIFEST))
+      console.log(buildManifest)
+      const reactLoadableManifest = require(join('../.next', REACT_LOADABLE_MANIFEST))
+      const resources = []
+
+      // test a regular page
+      resources.push(`/_next/static/${buildId}/pages/index.js`)
+
+      // test dynamic chunk
+      resources.push('/_next/' + reactLoadableManifest['../../components/hello1'][0].publicPath)
+
+      // test main.js runtime etc
+      for (const item of buildManifest.pages['/dynamic/ssr']) {
+        resources.push('/_next/' + item)
+      }
+
+      for (const item of buildManifest.devFiles) {
+        resources.push('/_next/' + item)
+      }
+
+      const responses = await Promise.all(resources.map((resource) => fetch(resource)))
+
+      responses.forEach((res) => {
+        try {
+          expect(res.headers.get('Cache-Control')).toBe('no-store, must-revalidate')
+        } catch (err) {
+          err.message = res.url + ' ' + err.message
+          throw err
+        }
+      })
+    })
+
     test('asPath', async () => {
       const $ = await get$('/nav/as-path', { aa: 10 })
       expect($('.as-path-content').text()).toBe('/nav/as-path?aa=10')