add assertions for sitemap

test/e2e/app-dir/dynamic-in-generate-params/index.test.ts

@@ -1,13 +1,20 @@
 import { type NextInstance, nextTestSetup } from 'e2e-utils'
+import type { Response } from 'node-fetch'
 
 async function getLastModifiedTime(next: NextInstance, pathname: string) {
   const content = await (await next.fetch(pathname)).text()
   return content.match(/<lastmod>([^<]+)<\/lastmod>/)[1]
 }
 
+function assertSitemapResponse(res: Response) {
+  expect(res.status).toBe(200)
+  expect(res.headers.get('content-type')).toContain('application/xml')
+}
+
 describe('app-dir - dynamic in generate params', () => {
   const { next } = nextTestSetup({
     files: __dirname,
+    skipDeployment: true,
   })
 
   it('should render sitemap with generateSitemaps in force-dynamic config dynamically', async () => {
@@ -18,12 +25,16 @@ describe('app-dir - dynamic in generate params', () => {
   })
 
   it('should be able to call while generating multiple dynamic sitemaps', async () => {
-    expect((await next.fetch('sitemap/0')).status).toBe(200)
-    expect((await next.fetch('sitemap/1')).status).toBe(200)
+    const res0 = await next.fetch('sitemap/0')
+    const res1 = await next.fetch('sitemap/1')
+    assertSitemapResponse(res0)
+    assertSitemapResponse(res1)
   })
 
   it('should be able to call fetch while generating multiple dynamic pages', async () => {
-    expect((await next.fetch('/dynamic/0')).status).toBe(200)
-    expect((await next.fetch('/dynamic/1')).status).toBe(200)
+    const res0 = await next.fetch('dynamic/0')
+    const res1 = await next.fetch('dynamic/1')
+    assertSitemapResponse(res0)
+    assertSitemapResponse(res1)
   })
 })