1 files changed, 85 insertions, 0 deletions
diff --git a/packages/integrations/cloudflare/test/wasm.test.js b/packages/integrations/cloudflare/test/wasm.test.js
new file mode 100644
index 000000000..279a00cd1
--- /dev/null
+++ b/packages/integrations/cloudflare/test/wasm.test.js
@@ -0,0 +1,85 @@
+import { loadFixture, runCLI } from './test-utils.js';
+import { expect } from 'chai';
+import cloudflare from '../dist/index.js';
+
+describe('Wasm import', () => {
+	describe('in cloudflare workerd', () => {
+		/** @type {import('./test-utils.js').Fixture} */
+		let fixture;
+		/** @type {import('./test-utils.js').WranglerCLI} */
+		let cli;
+
+		before(async function () {
+			fixture = await loadFixture({
+				root: './fixtures/wasm/',
+			});
+			await fixture.build();
+
+			cli = await runCLI('./fixtures/wasm/', {
+				silent: true,
+				onTimeout: (ex) => {
+					console.log(ex);
+					// if fail to start, skip for now as it's very flaky
+					this.skip();
+				},
+			});
+		});
+
+		after(async () => {
+			await cli?.stop();
+		});
+
+		it('can render', async () => {
+			let res = await fetch(`http://127.0.0.1:${cli.port}/add/40/2`);
+			expect(res.status).to.equal(200);
+			const json = await res.json();
+			expect(json).to.deep.equal({ answer: 42 });
+		});
+	});
+	describe('astro dev server', () => {
+		/** @type {import('./test-utils').Fixture} */
+		let fixture;
+		let devServer;
+
+		before(async () => {
+			fixture = await loadFixture({
+				root: './fixtures/wasm/',
+			});
+			devServer = undefined;
+		});
+
+		after(async () => {
+			await devServer?.stop();
+		});
+
+		it('can serve wasm', async () => {
+			devServer = await fixture.startDevServer();
+			let res = await fetch(`http://localhost:${devServer.address.port}/add/60/3`);
+			expect(res.status).to.equal(200);
+			const json = await res.json();
+			expect(json).to.deep.equal({ answer: 63 });
+		});
+
+		it('fails to build intelligently when wasm is disabled', async () => {
+			let ex;
+			try {
+				await fixture.build({
+					adapter: cloudflare({
+						wasmModuleImports: false,
+					}),
+				});
+			} catch (err) {
+				ex = err;
+			}
+			expect(ex?.message).to.have.string('add `wasmModuleImports: true` to your astro config');
+		});
+
+		it('can import wasm in both SSR and SSG pages', async () => {
+			await fixture.build({ output: 'hybrid' });
+			const staticContents = await fixture.readFile('./hybrid');
+			expect(staticContents).to.be.equal('{"answer":21}');
+			const assets = await fixture.readdir('./_astro');
+			expect(assets.map((x) => x.slice(x.lastIndexOf('.')))).to.contain('.wasm');
+		});
+	});
+});