From 450cf3715a2ba7b3af18b926e84df4b7f793840a Mon Sep 17 00:00:00 2001
From: Victor Giers <mail@victorgiers.com>
Date: Tue, 14 Jul 2026 08:17:51 +0200
Subject: [PATCH] Test that nested Live 10 Simpler devices are serialized with
 IDs

---
 tests/ableton-hybrid.test.ts | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)

diff --git a/tests/ableton-hybrid.test.ts b/tests/ableton-hybrid.test.ts
index c9351a0..812ccec 100644
--- a/tests/ableton-hybrid.test.ts
+++ b/tests/ableton-hybrid.test.ts
@@ -1,5 +1,7 @@
 import assert from 'node:assert/strict';
 import test from 'node:test';
+import { gunzipSync } from 'node:zlib';
+import { createServer } from 'vite';
 import { assignDeviceListIds } from '../src/lib/exporters/ableton/builders';
 import abletonTransformer, { AblTrack, getDrumRackMidiNote } from '../src/lib/transformers/ableton';
 import {
@@ -154,6 +156,37 @@ test('assigns IDs to every device-list member, including nested rack devices', (
   assert.equal(devices[1].AutoFilter['@Id'], 1);
 });
 
+test('serializes every nested Live 10 Simpler as an identified list member', async () => {
+  const server = await createServer({
+    server: { middlewareMode: true },
+    appType: 'custom',
+    mode: 'production',
+  });
+
+  try {
+    const { buildProject } = await server.ssrLoadModule(
+      '/src/lib/exporters/ableton/builders.ts',
+    );
+    const generated = await buildProject(project(), {
+      abletonVersion: '10',
+      includeArchivedSamples: true,
+      clips: false,
+      groupTracks: true,
+      sendEffects: false,
+      allScenes: true,
+    });
+    const xml = gunzipSync(Buffer.from(generated)).toString('utf8');
+    const simplerTags = [...xml.matchAll(/<OriginalSimpler(?:\s[^>]*)?>/g)].map(
+      (match) => match[0],
+    );
+
+    assert.ok(simplerTags.length > 0);
+    assert.ok(simplerTags.every((tag) => /\sId="\d+"/.test(tag)));
+  } finally {
+    await server.close();
+  }
+});
+
 test('automatically builds a per-group rack without flattening chromatic pads', () => {
   const result = abletonTransformer(project(), {
     includeArchivedSamples: true,