overhaul tests

test/apps/export/src/routes/blog/[slug].json.js

@@ -0,0 +1,19 @@
+import posts from './_posts.js';
+
+export function get(req, res) {
+	const post = posts.find(post => post.slug === req.params.slug);
+
+	if (post) {
+		res.writeHead(200, {
+			'Content-Type': 'application/json'
+		});
+
+		res.end(JSON.stringify(post));
+	} else {
+		res.writeHead(404, {
+			'Content-Type': 'application/json'
+		});
+
+		res.end(JSON.stringify({ message: 'not found' }));
+	}
+}