Lock MVP voice (Michael, native settings); native /tts route

_pipeline/tests/test_pipeline.py

@@ -67,7 +67,7 @@ class StubHandler(http.server.BaseHTTPRequestHandler):
     def do_POST(self):
         body = json.loads(self.rfile.read(int(self.headers["Content-Length"])))
         StubHandler.seen.append((self.path, body))
-        if self.path.endswith("/audio/speech"):
+        if self.path.endswith("/audio/speech") or self.path == "/tts":
             with tempfile.TemporaryDirectory() as d:
                 p = os.path.join(d, "x.wav")
                 test_piece(p, 130, 1, 0.1)
@@ -100,6 +100,8 @@ class ClientTests(unittest.TestCase):
     def cfg(self):
         c = json.loads(json.dumps(CFG))
         c["voice"]["endpoint"] = self.url + "/v1/audio/speech"
+        c["voice"]["api"] = "openai"
+        c["voice"]["extra"] = {}
         c["llm"].update(endpoint=self.url + "/v1/chat/completions", model="m")
         return c
 
@@ -112,6 +114,18 @@ class ClientTests(unittest.TestCase):
         self.assertEqual(body["response_format"], "wav")
         self.assertEqual(data[:4], b"RIFF")
 
+    def test_locked_voice_uses_native_route_with_locked_settings(self):
+        StubHandler.seen.clear()
+        c = json.loads(json.dumps(CFG))
+        c["voice"]["endpoint"] = self.url + "/tts"
+        voice.speak(c, "Hello there.")
+        path, body = StubHandler.seen[0]
+        self.assertEqual(path, "/tts")
+        self.assertEqual(body["text"], "Hello there.")
+        self.assertEqual(body["predefined_voice_id"], "Michael.wav")
+        self.assertEqual((body["exaggeration"], body["cfg_weight"], body["temperature"], body["seed"], body["chunk_size"]), (0.25, 0.2, 0.6, 7, 240))
+        self.assertNotIn("speed_factor", body)
+
     def test_sentence_split_keeps_abbreviations(self):
         s = voice.sentences('One day Dr. Alexis Carrel sent word. "The world," he said. E. Stanley Jones came.')
         self.assertEqual(len(s), 3)