feat(media): Protocol, Factory und Noop-Controller

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

tests/test_media_factory.py

@@ -0,0 +1,40 @@
+"""Tests für whisper_local.media Factory-Dispatch."""
+
+import sys
+from unittest.mock import patch
+
+import pytest
+
+from whisper_local.media import MediaController, create_media_controller
+from whisper_local.media._noop import NoopController
+
+
+def test_factory_returns_noop_when_disabled():
+    controller = create_media_controller(enabled=False)
+    assert isinstance(controller, NoopController)
+
+
+def test_factory_returns_noop_on_non_linux():
+    with patch.object(sys, "platform", "win32"):
+        controller = create_media_controller(enabled=True)
+    assert isinstance(controller, NoopController)
+
+
+@pytest.mark.skipif(sys.platform != "linux", reason="MPRIS is Linux-only")
+def test_factory_returns_mpris_on_linux_when_enabled():
+    from whisper_local.media._mpris import MprisController
+
+    controller = create_media_controller(enabled=True)
+    assert isinstance(controller, MprisController)
+
+
+@pytest.mark.asyncio
+async def test_noop_controller_pause_is_noop():
+    controller = NoopController()
+    await controller.pause()  # Darf nicht werfen
+    await controller.resume()  # Darf nicht werfen
+
+
+def test_noop_controller_satisfies_protocol():
+    controller = NoopController()
+    assert isinstance(controller, MediaController)