1 files changed, 32 insertions, 0 deletions
diff --git a/packages/integrations/vercel/test/split.test.js b/packages/integrations/vercel/test/split.test.js
new file mode 100644
index 000000000..4105db7fc
--- /dev/null
+++ b/packages/integrations/vercel/test/split.test.js
@@ -0,0 +1,32 @@
+import assert from 'node:assert/strict';
+import { before, describe, it } from 'node:test';
+import { loadFixture } from './test-utils.js';
+
+describe('build: split', () => {
+	/** @type {import('./test-utils').Fixture} */
+	let fixture;
+
+	before(async () => {
+		fixture = await loadFixture({
+			root: './fixtures/functionPerRoute/',
+			output: 'server',
+		});
+		await fixture.build();
+	});
+
+	it('creates separate functions for non-prerendered pages', async () => {
+		const files = await fixture.readdir('../.vercel/output/functions/');
+		assert.equal(files.length, 3);
+		assert.equal(files.includes('prerender.astro.func'), false);
+	});
+
+	it('creates the route definitions in the config.json', async () => {
+		const json = await fixture.readFile('../.vercel/output/config.json');
+		const config = JSON.parse(json);
+		assert.equal(config.routes.length, 5);
+		assert.equal(
+			config.routes.some((route) => route.dest === 'prerender.astro'),
+			false,
+		);
+	});
+});