fix: crash when audio.cpp is only serving clone model

1 files changed, 29 insertions, 0 deletions

diff --git a/tests/test_tts.py b/tests/test_tts.py
index f2dda0e..9ca6f0d 100644
--- a/tests/test_tts.py
+++ b/tests/test_tts.py
@@ -657,6 +657,35 @@ class AudioCppTTSClientHealthTests(unittest.TestCase):
             client = self._client(voice="narrator")
         self.assertEqual(client.model_id, config.AUDIOCPP_MODEL_ID)
 
+    def test_preset_mode_with_clone_only_server_uses_clone_model(self):
+        with patch.object(config, "AUDIOCPP_MODEL_ID", "qwen3-tts"), \
+                patch.object(config, "AUDIOCPP_CLONE_MODEL_ID", "qwen3-tts-clone"):
+            client = self._client(
+                voice="narrator",
+                models={"data": [{"id": "qwen3-tts-clone"}]})
+        self.assertEqual(client.model_id, "qwen3-tts-clone")
+
+    def test_speaker_mode_with_clone_only_server_suggests_voice(self):
+        with patch.object(config, "AUDIOCPP_MODEL_ID", "qwen3-tts"), \
+                patch.object(config, "AUDIOCPP_CLONE_MODEL_ID", "qwen3-tts-clone"):
+            with self.assertRaises(RuntimeError) as ctx:
+                self._client(models={"data": [{"id": "qwen3-tts-clone"}]})
+        message = str(ctx.exception)
+        self.assertIn("qwen3-tts", message)
+        self.assertIn("--voice", message)
+
+    def test_preset_mode_with_no_matching_model_lists_both_ids(self):
+        with patch.object(config, "AUDIOCPP_MODEL_ID", "qwen3-tts"), \
+                patch.object(config, "AUDIOCPP_CLONE_MODEL_ID", "qwen3-tts-clone"), \
+                self.assertLogs("converter.tts", level="WARNING"):
+            with self.assertRaises(RuntimeError) as ctx:
+                self._client(voice="narrator",
+                             models={"data": [{"id": "pocket-tts"}]})
+        message = str(ctx.exception)
+        self.assertIn("qwen3-tts", message)
+        self.assertIn("qwen3-tts-clone", message)
+        self.assertIn("pocket-tts", message)
+
 
 class AudioCppTTSClientRequestTests(unittest.TestCase):
     """The /v1/audio/speech payload and response validation."""