Add unit tests for Project 7 one-shot overrides in Ableton playback

tests/ableton-playback.test.ts

@@ -0,0 +1,19 @@
+import assert from 'node:assert/strict';
+import test from 'node:test';
+import { hasOneShotOverride } from '../src/lib/exporters/ableton/playback';
+import { PadCode } from '../src/types/types';
+
+const project7Overrides = ['b0', 'c1', 'c8', 'c9', 'd3'] as PadCode[];
+
+test('applies the selective Project 7 One-Shot overrides', () => {
+  for (const padCode of project7Overrides) {
+    assert.equal(hasOneShotOverride(padCode, project7Overrides), true);
+  }
+
+  assert.equal(hasOneShotOverride('b3', project7Overrides), false);
+  assert.equal(hasOneShotOverride('b7', project7Overrides), false);
+});
+
+test('preserves project playback modes when no override is selected', () => {
+  assert.equal(hasOneShotOverride('b0'), false);
+});