fix(server): allow rendering urls with unicode characters (#4512)

packages/server/src/middleware/nuxt.js

@@ -7,7 +7,7 @@ import { getContext } from '@nuxt/common'
 export default ({ options, nuxt, renderRoute, resources }) => async function nuxtMiddleware(req, res, next) {
   // Get context
   const context = getContext(req, res)
-  const url = req.url
+  const url = decodeURI(req.url)
 
   res.statusCode = 200
   try {

test/unit/basic.ssr.test.js

@@ -324,7 +324,8 @@ describe('basic ssr', () => {
   })
 
   test('/тест雨 (test non ascii route)', async () => {
-    const { html } = await nuxt.server.renderRoute('/тест雨')
+    const window = await nuxt.server.renderAndGetWindow(url('/тест雨'))
+    const html = window.document.body.innerHTML
     expect(html).toMatch('Hello unicode')
   })