test: cover audio, sequences, pattern direction, and settings

Co-authored-by: Cursor <cursoragent@cursor.com>

tests/test_audio_reset_tracking.py

@@ -0,0 +1,61 @@
+"""Reset detector must not stop the stream or clear ``running``."""
+
+import os
+import sys
+import time
+
+PROJECT_ROOT = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
+SRC_PATH = os.path.join(PROJECT_ROOT, "src")
+if SRC_PATH not in sys.path:
+    sys.path.insert(0, SRC_PATH)
+
+from util.audio_detector import AudioBeatDetector  # noqa: E402
+
+
+class _FakeRuntime:
+    def __init__(self):
+        self.reset_calls = 0
+
+    def reset_state(self):
+        self.reset_calls += 1
+
+
+def test_reset_tracking_false_when_not_running():
+    det = AudioBeatDetector()
+    assert det.reset_tracking() is False
+
+
+def test_reset_tracking_queues_on_audio_thread():
+    det = AudioBeatDetector()
+    rt = _FakeRuntime()
+    with det._lock:
+        det._running = True
+        det._runtime = rt
+        det._status["running"] = True
+        det._status["bpm"] = 128.0
+        det._status["beat_seq"] = 7
+
+    assert det.reset_tracking() is True
+    assert rt.reset_calls == 0
+    assert det._pending_reset is True
+
+    st = det.status()
+    assert st["running"] is True
+    assert st["bpm"] == 128.0
+    assert st["beat_seq"] == 7
+
+    det._process_pending_reset(rt)
+    assert rt.reset_calls == 1
+    assert det._pending_reset is False
+    assert det.status()["running"] is True
+
+
+def test_status_keeps_bpm_during_holdover():
+    det = AudioBeatDetector()
+    with det._lock:
+        det._running = True
+        det._holdover_active = True
+        det._status["running"] = True
+        det._status["bpm"] = 128.0
+        det._status["last_beat_ts"] = time.time() - 10.0
+    assert det.status()["bpm"] == 128.0