Fixes Node adapter receiving a request body (#4023)

* Fixes Node adapter receiving a request body

* Updated lockfile

4 files changed, 111 insertions, 0 deletions

diff --git a/packages/integrations/node/test/api-route.test.js b/packages/integrations/node/test/api-route.test.js
new file mode 100644
index 000000000..963e0463a
--- /dev/null
+++ b/packages/integrations/node/test/api-route.test.js
@@ -0,0 +1,37 @@
+import nodejs from '../dist/index.js';
+import { loadFixture, createRequestAndResponse, toPromise } from './test-utils.js';
+import { expect } from 'chai';
+
+
+describe('API routes', () => {
+	/** @type {import('./test-utils').Fixture} */
+	let fixture;
+
+	before(async () => {
+		fixture = await loadFixture({
+			root: './fixtures/api-route/',
+			experimental: {
+				ssr: true,
+			},
+			adapter: nodejs(),
+		});
+		await fixture.build();
+	});
+
+	it('Can get the request body', async () => {
+		const { handler } = await import('./fixtures/api-route/dist/server/entry.mjs');
+
+		let { req, res, done } = createRequestAndResponse({
+			method: 'POST',
+			url: '/recipes'
+		});
+
+		handler(req, res);
+		req.send(JSON.stringify({ id: 2 }));
+
+		let [ buffer ] = await done;
+		let json = JSON.parse(buffer.toString('utf-8'));
+		expect(json.length).to.equal(1);
+		expect(json[0].name).to.equal('Broccoli Soup');
+	});
+});
diff --git a/packages/integrations/node/test/fixtures/api-route/package.json b/packages/integrations/node/test/fixtures/api-route/package.json
new file mode 100644
index 000000000..c4d9bdd2b
--- /dev/null
+++ b/packages/integrations/node/test/fixtures/api-route/package.json
@@ -0,0 +1,9 @@
+{
+  "name": "@test/nodejs-api-route",
+  "version": "0.0.0",
+  "private": true,
+  "dependencies": {
+    "astro": "workspace:*",
+    "@astrojs/node": "workspace:*"
+  }
+}
diff --git a/packages/integrations/node/test/fixtures/api-route/src/pages/recipes.js b/packages/integrations/node/test/fixtures/api-route/src/pages/recipes.js
new file mode 100644
index 000000000..edbd15a0e
--- /dev/null
+++ b/packages/integrations/node/test/fixtures/api-route/src/pages/recipes.js
@@ -0,0 +1,24 @@
+
+export async function post({ request }) {
+	let body = await request.json();
+	const recipes = [
+		{
+			id: 1,
+			name: 'Potato Soup'
+		},
+		{
+			id: 2,
+			name: 'Broccoli Soup'
+		}
+	];
+
+	let out = recipes.filter(r => {
+		return r.id === body.id;
+	});
+
+	return new Response(JSON.stringify(out), {
+		headers: {
+			'Content-Type': 'application/json'
+		}
+	});
+}
diff --git a/packages/integrations/node/test/test-utils.js b/packages/integrations/node/test/test-utils.js
new file mode 100644
index 000000000..4bd42d557
--- /dev/null
+++ b/packages/integrations/node/test/test-utils.js
@@ -0,0 +1,41 @@
+import { loadFixture as baseLoadFixture } from '../../../astro/test/test-utils.js';
+import httpMocks from 'node-mocks-http';
+import { EventEmitter } from 'events';
+
+/**
+ * @typedef {import('../../../astro/test/test-utils').Fixture} Fixture
+ */
+
+export function loadFixture(inlineConfig) {
+	if (!inlineConfig || !inlineConfig.root)
+		throw new Error("Must provide { root: './fixtures/...' }");
+
+	// resolve the relative root (i.e. "./fixtures/tailwindcss") to a full filepath
+	// without this, the main `loadFixture` helper will resolve relative to `packages/astro/test`
+	return baseLoadFixture({
+		...inlineConfig,
+		root: new URL(inlineConfig.root, import.meta.url).toString(),
+	});
+}
+
+export function createRequestAndResponse(reqOptions) {
+	let req = httpMocks.createRequest(reqOptions);
+
+	let res = httpMocks.createResponse({
+		eventEmitter: EventEmitter,
+		req
+	});
+
+	let done = toPromise(res);
+
+	return { req, res, done };
+}
+
+export function toPromise(res) {
+	return new Promise(resolve => {
+		res.on('end', () => {
+			let chunks = res._getChunks();
+			resolve(chunks);
+		});
+	});
+}