feat(@astrojs/netlify): edge middleware support (#7632)

Co-authored-by: Bjorn Lu <bjornlu.dev@gmail.com>
Co-authored-by: Yan Thomas <61414485+Yan-Thomas@users.noreply.github.com>

1 files changed, 43 insertions, 0 deletions

diff --git a/packages/integrations/netlify/test/functions/edge-middleware.test.js b/packages/integrations/netlify/test/functions/edge-middleware.test.js
new file mode 100644
index 000000000..219fd1ced
--- /dev/null
+++ b/packages/integrations/netlify/test/functions/edge-middleware.test.js
@@ -0,0 +1,43 @@
+import netlifyAdapter from '../../dist/index.js';
+import { testIntegration, loadFixture } from './test-utils.js';
+import { expect } from 'chai';
+
+describe('Middleware', () => {
+	it('with edge handle file, should successfully build the middleware', async () => {
+		/** @type {import('./test-utils').Fixture} */
+		const fixture = await loadFixture({
+			root: new URL('./fixtures/middleware-with-handler-file/', import.meta.url).toString(),
+			output: 'server',
+			adapter: netlifyAdapter({
+				dist: new URL('./fixtures/middleware-with-handler-file/dist/', import.meta.url),
+			}),
+			site: `http://example.com`,
+			integrations: [testIntegration()],
+			build: {
+				excludeMiddleware: true,
+			},
+		});
+		await fixture.build();
+		const contents = await fixture.readFile('../.netlify/edge-functions/edgeMiddleware.js');
+		expect(contents.includes('"Hello world"')).to.be.true;
+	});
+
+	it('without edge handle file, should successfully build the middleware', async () => {
+		/** @type {import('./test-utils').Fixture} */
+		const fixture = await loadFixture({
+			root: new URL('./fixtures/middleware-without-handler-file/', import.meta.url).toString(),
+			output: 'server',
+			adapter: netlifyAdapter({
+				dist: new URL('./fixtures/middleware-without-handler-file/dist/', import.meta.url),
+			}),
+			site: `http://example.com`,
+			integrations: [testIntegration()],
+			build: {
+				excludeMiddleware: true,
+			},
+		});
+		await fixture.build();
+		const contents = await fixture.readFile('../.netlify/edge-functions/edgeMiddleware.js');
+		expect(contents.includes('"Hello world"')).to.be.false;
+	});
+});