more semantic.works

test/ask-parse.mjs

@@ -0,0 +1,45 @@
+// POST /ask reads req.body, but the mu template only parses
+// application/vnd.api+json; the route mounts express.json() for plain
+// application/json, like the chat route does. Without an LLM configured a
+// well-formed question must answer 503, not the "no question" 400.
+//
+//   npm test          (or: node --import ./dev-stubs/register.js test/ask-parse.mjs)
+
+import assert from 'node:assert/strict';
+
+delete process.env.LLM_BASE_URL;
+
+let failures = 0;
+async function check(name, fn) {
+  try {
+    await fn();
+    console.log(`ok - ${name}`);
+  } catch (e) {
+    failures++;
+    console.error(`FAIL - ${name}\n    ${e.message}`);
+  }
+}
+
+const { app } = await import('mu');
+await import('../app.js');
+const server = app.listen(0);
+const base = `http://localhost:${server.address().port}`;
+
+const post = (path, body) => fetch(`${base}${path}`, {
+  method: 'POST',
+  headers: { 'Content-Type': 'application/json' },
+  body: JSON.stringify(body),
+});
+
+await check('a plain JSON question parses and answers 503 without an LLM', async () => {
+  const res = await post('/ask', { question: 'meldingen met MAR-code 7300' });
+  assert.equal(res.status, 503);
+});
+
+await check('an empty body is still the 400', async () => {
+  const res = await post('/ask', {});
+  assert.equal(res.status, 400);
+});
+
+server.close();
+process.exit(failures ? 1 : 0);