fix: test page without async

src/__tests__/pages/HomePage.test.tsx

@@ -1,14 +1,22 @@
-// !STARTERCONF You should delete this page
-
 import { render, screen } from '@testing-library/react';
 
-import HomePage from '@/app/page';
+import Homepage from '@/component/Homepage';
+
+export function mockFetch(data: unknown) {
+  return jest.fn().mockImplementation(() =>
+    Promise.resolve({
+      ok: true,
+      json: () => data,
+    })
+  );
+}
 
 describe('Homepage', () => {
   it('renders the Components', () => {
-    render(<HomePage />);
+    window.fetch = mockFetch({});
+    render(<Homepage />);
 
-    const heading = screen.getByText(/A starter for Next.js/i);
+    const heading = screen.getByText(/HiHB/i);
 
     expect(heading).toBeInTheDocument();
   });

src/app/page.tsx

@@ -1,16 +1,6 @@
-import PinDropIcon from '@mui/icons-material/PinDrop';
-import { Box, Typography } from '@mui/material';
-import Link from 'next/link';
-import * as React from 'react';
-
-import PageFooter from '@/component/PageFooter';
-import { SITE_CONFIG } from '@/constant';
+import Homepage from '@/component/Homepage';
 import { getApiResponse } from '@/util/shared/get-api-response';
 
-// !STARTERCONF -> Select !STARTERCONF and CMD + SHIFT + F
-// Before you begin editing, follow all comments with `STARTERCONF`,
-// to customize the default configuration.
-
 const loadDataFromApi = async (slug?: string) => {
   if (slug === 'testError500') {
     throw new Error('This is a ssr 500 test error');
@@ -21,59 +11,12 @@ const loadDataFromApi = async (slug?: string) => {
   });
 };
 
-interface HomePageProps {
+interface AppHomeProps {
   searchParams: { [key: string]: string | undefined };
 }
 
-export default async function HomePage({ searchParams }: HomePageProps) {
+export default async function AppHome({ searchParams }: AppHomeProps) {
   const apiResult = await loadDataFromApi(searchParams['slug']);
 
-  return (
-    <main>
-      <section>
-        <Box sx={{ textAlign: 'center' }}>
-          <PinDropIcon />
-          <Typography variant='h5' component='h1' gutterBottom>
-            {SITE_CONFIG.title}
-          </Typography>
-          <Typography variant='subtitle2' gutterBottom>
-            {SITE_CONFIG.description}
-          </Typography>
-
-          <Typography
-            variant='subtitle1'
-            gutterBottom
-            sx={{ color: 'green', mt: 3 }}
-          >
-            Get data from api test: The latest React version is{' '}
-            {apiResult?.version}
-          </Typography>
-
-          <Box sx={{ m: 5 }}>
-            <Link
-              href='https://github.com/AlexStack/nextjs-materia-mui-typescript-hook-form-scaffold-boilerplate-starter'
-              target='_blank'
-            >
-              See the Github repository page
-            </Link>
-          </Box>
-          <Box sx={{ m: 5 }}>
-            <Link
-              href='https://vercel.com/new/clone?s=https%3A%2F%2Fgithub.com%2FAlexStack%2Fnextjs-materia-mui-typescript-hook-form-scaffold-boilerplate-starter&showOptionalTeamCreation=false'
-              target='_blank'
-            >
-              Click here to deploy a demo site to your Vercel in 1 minute
-            </Link>
-          </Box>
-          <Box sx={{ m: 5 }}>
-            <Link href='/test-page-not-exists'>Test 404 page not found</Link>
-          </Box>
-          <Box sx={{ m: 5 }}>
-            <Link href='/?slug=testError500'>Test 500 error page</Link>
-          </Box>
-        </Box>
-      </section>
-      <PageFooter />
-    </main>
-  );
+  return <Homepage reactVersion={apiResult?.version} />;
 }

src/component/Homepage.tsx

@@ -0,0 +1,56 @@
+import PinDropIcon from '@mui/icons-material/PinDrop';
+import { Box, Typography } from '@mui/material';
+import Link from 'next/link';
+
+import PageFooter from '@/component/PageFooter';
+import { SITE_CONFIG } from '@/constant';
+
+export default function Homepage({ reactVersion = 'unknown' }) {
+  return (
+    <main>
+      <section>
+        <Box sx={{ textAlign: 'center' }}>
+          <PinDropIcon />
+          <Typography variant='h5' component='h1' gutterBottom>
+            {SITE_CONFIG.title}
+          </Typography>
+          <Typography variant='subtitle2' gutterBottom>
+            {SITE_CONFIG.description}
+          </Typography>
+
+          <Typography
+            variant='subtitle1'
+            gutterBottom
+            sx={{ color: 'green', mt: 3 }}
+          >
+            Get data from api test: The latest React version is {reactVersion}
+          </Typography>
+
+          <Box sx={{ m: 5 }}>
+            <Link
+              href='https://github.com/AlexStack/nextjs-materia-mui-typescript-hook-form-scaffold-boilerplate-starter'
+              target='_blank'
+            >
+              See the Github repository page
+            </Link>
+          </Box>
+          <Box sx={{ m: 5 }}>
+            <Link
+              href='https://vercel.com/new/clone?s=https%3A%2F%2Fgithub.com%2FAlexStack%2Fnextjs-materia-mui-typescript-hook-form-scaffold-boilerplate-starter&showOptionalTeamCreation=false'
+              target='_blank'
+            >
+              Click here to deploy a demo site to your Vercel in 1 minute
+            </Link>
+          </Box>
+          <Box sx={{ m: 5 }}>
+            <Link href='/test-page-not-exists'>Test 404 page not found</Link>
+          </Box>
+          <Box sx={{ m: 5 }}>
+            <Link href='/?slug=testError500'>Test 500 error page</Link>
+          </Box>
+        </Box>
+      </section>
+      <PageFooter />
+    </main>
+  );
+}