1 files changed, 72 insertions, 0 deletions
diff --git a/packages/integrations/vercel/test/static-assets.test.js b/packages/integrations/vercel/test/static-assets.test.js
new file mode 100644
index 000000000..37d3a0577
--- /dev/null
+++ b/packages/integrations/vercel/test/static-assets.test.js
@@ -0,0 +1,72 @@
+import assert from 'node:assert/strict';
+import { describe, it } from 'node:test';
+import { loadFixture } from './test-utils.js';
+
+describe('Static Assets', () => {
+	/** @type {import('../../../astro/test/test-utils.js').Fixture} */
+	let fixture;
+
+	const VALID_CACHE_CONTROL = 'public, max-age=31536000, immutable';
+
+	async function build({ adapter, assets, output }) {
+		fixture = await loadFixture({
+			root: './fixtures/static-assets/',
+			output,
+			adapter,
+			build: {
+				assets,
+			},
+		});
+		await fixture.build();
+	}
+
+	async function getConfig() {
+		const json = await fixture.readFile('../.vercel/output/config.json');
+		const config = JSON.parse(json);
+
+		return config;
+	}
+
+	async function getAssets() {
+		return fixture.config.build.assets;
+	}
+
+	async function checkValidCacheControl(assets) {
+		const config = await getConfig();
+		const theAssets = assets ?? (await getAssets());
+
+		const route = config.routes.find((r) => r.src === `^/${theAssets}/(.*)$`);
+		assert.equal(route.headers['cache-control'], VALID_CACHE_CONTROL);
+		assert.equal(route.continue, true);
+	}
+
+	describe('static adapter', () => {
+		it('has cache control', async () => {
+			const { default: vercel } = await import('@astrojs/vercel/static');
+			await build({ adapter: vercel() });
+			await checkValidCacheControl();
+		});
+
+		it('has cache control other assets', async () => {
+			const { default: vercel } = await import('@astrojs/vercel/static');
+			const assets = '_foo';
+			await build({ adapter: vercel(), assets });
+			await checkValidCacheControl(assets);
+		});
+	});
+
+	describe('serverless adapter', () => {
+		it('has cache control', async () => {
+			const { default: vercel } = await import('@astrojs/vercel/serverless');
+			await build({ output: 'server', adapter: vercel() });
+			await checkValidCacheControl();
+		});
+
+		it('has cache control other assets', async () => {
+			const { default: vercel } = await import('@astrojs/vercel/serverless');
+			const assets = '_foo';
+			await build({ output: 'server', adapter: vercel(), assets });
+			await checkValidCacheControl(assets);
+		});
+	});
+});