Sync from a8e1c0a7402940e0fc5beef669522b315052df1blatest

1 files changed, 27 insertions, 0 deletions

diff --git a/packages/integrations/vercel/test/prerendered-error-pages.test.js b/packages/integrations/vercel/test/prerendered-error-pages.test.js
new file mode 100644
index 000000000..79a1f4aaf
--- /dev/null
+++ b/packages/integrations/vercel/test/prerendered-error-pages.test.js
@@ -0,0 +1,27 @@
+import assert from 'node:assert/strict';
+import { before, describe, it } from 'node:test';
+import { loadFixture } from './test-utils.js';
+
+describe('prerendered error pages routing', () => {
+	/** @type {import('./test-utils.js').Fixture} */
+	let fixture;
+
+	before(async () => {
+		fixture = await loadFixture({
+			root: './fixtures/prerendered-error-pages/',
+		});
+		await fixture.build();
+	});
+
+	it('falls back to 404.html', async () => {
+		const deploymentConfig = JSON.parse(await fixture.readFile('../.vercel/output/config.json'));
+		assert.deepEqual(
+			deploymentConfig.routes.find((r) => r.status === 404),
+			{
+				src: '^/.*$',
+				dest: '/404.html',
+				status: 404,
+			},
+		);
+	});
+});