Add persistent Athena music mode switching

dev/test_profile_controller.py

@@ -36,7 +36,38 @@ def tts_item(state="running"):
             "Labels": {controller.TTS_LABEL_KEY: controller.TTS_WORKER}}
 
 
+def music_item(state="exited"):
+    return {"Id": "id-music", "State": state,
+            "Labels": {controller.MUSIC_LABEL_KEY: "acestep"}}
+
+
 class ProfileControllerTests(unittest.TestCase):
+    def test_music_start_exclusively_stops_gpu_workers(self):
+        profiles = {name: item(name) for name in controller.ALLOWED}
+        profiles["ultra"] = item("ultra", "running")
+        calls = []
+
+        def request(method, path):
+            calls.append((method, path))
+            return 204, b""
+
+        with patch.object(controller, "MUSIC_WORKER", "acestep"), \
+             patch.object(controller, "containers", return_value=profiles), \
+             patch.object(controller, "music_container", return_value=music_item()), \
+             patch.object(controller, "image_containers",
+                          return_value=[image_item("running")]), \
+             patch.object(controller, "tts_container", return_value=tts_item()), \
+             patch.object(controller, "docker_request", side_effect=request):
+            result = controller.set_music_worker(True)
+
+        self.assertEqual(result, {"music_worker": "acestep", "state": "running"})
+        self.assertEqual(calls, [
+            ("POST", "/containers/id-ultra/stop?t=120"),
+            ("POST", "/containers/id-flux/stop?t=20"),
+            ("POST", "/containers/id-tts/stop?t=30"),
+            ("POST", "/containers/id-music/start"),
+        ])
+
     def test_rejects_unknown_profile_before_docker_call(self):
         with patch.object(controller, "docker_request") as request:
             with self.assertRaises(ValueError):