1 files changed, 49 insertions, 0 deletions
diff --git a/stacks/daemon/test_audio_dummy_backend.py b/stacks/daemon/test_audio_dummy_backend.py
new file mode 100644
index 0000000..c5ba31d
--- /dev/null
+++ b/stacks/daemon/test_audio_dummy_backend.py
@@ -0,0 +1,49 @@
+#!/usr/bin/env python3
+"""Acoustic engine loopback + audio-dummy backend smoke tests."""
+from __future__ import annotations
+
+import sys
+from pathlib import Path
+from unittest.mock import MagicMock
+
+ROOT = Path(__file__).resolve().parents[2]
+sys.path.insert(0, str(ROOT / "stacks" / "daemon"))
+sys.path.insert(0, str(ROOT / "stacks" / "crdop" / "lib"))
+
+from acoustic_engine import AcousticEngine  # noqa: E402
+from device_backends import AudioDummyBackend, DeviceBackendConfig, registry_tested  # noqa: E402
+
+
+def test_loopback_decode() -> None:
+    eng = AcousticEngine()
+    rep = eng.loopback_self_test("TST-0", "QST")
+    assert rep.symbols > 0
+    assert rep.transitions > 0
+
+
+def test_audio_dummy_backend_loopback_tx() -> None:
+    cfg = DeviceBackendConfig(device_id="audio-dummy", backend_type="audio-dummy", audio_mode="loopback")
+    rx: list[str] = []
+    backend = AudioDummyBackend(cfg, on_rx=rx.append)
+    assert backend.open()
+    assert backend.attach_session("TST-0")
+    ok, display = backend.transmit("TST-0", "QST", "hi", ax25_ui=True)
+    assert ok
+    assert "QST" in display
+    backend.close()
+
+
+def test_registry() -> None:
+    assert registry_tested("audio-dummy") is True
+
+
+def main() -> int:
+    test_loopback_decode()
+    test_audio_dummy_backend_loopback_tx()
+    test_registry()
+    print("OK: audio-dummy tests")
+    return 0
+
+
+if __name__ == "__main__":
+    raise SystemExit(main())