add a test

.gitignore

@@ -1,3 +1,4 @@
 *.log
 node_modules
 dist
+.next

test/fixtures/basic/pages/stateless.js

@@ -0,0 +1,3 @@
+import React from 'react'
+
+export default () => <h1>My component!</h1>

test/index.js

@@ -0,0 +1,18 @@
+import test from 'ava'
+import { resolve } from 'path'
+import build from '../server/build'
+import { render as _render } from '../server/render'
+
+const dir = resolve(__dirname, 'fixtures', 'basic')
+
+test.before(() => build(dir))
+
+test(async (t) => {
+  const html = await render('/stateless')
+  console.log(html)
+  t.true(html.includes('<h1>My component!</h1>'))
+})
+
+function render (url, ctx) {
+  return _render(url, ctx, { dir, staticMarkup: true })
+}