Support TTS and Speech2Text for Model Provider GPUStack (#12381)

api/tests/integration_tests/model_runtime/gpustack/test_tts.py

@@ -0,0 +1,24 @@
+import os
+
+from core.model_runtime.model_providers.gpustack.tts.tts import GPUStackText2SpeechModel
+
+
+def test_invoke_model():
+    model = GPUStackText2SpeechModel()
+
+    result = model.invoke(
+        model="cosyvoice-300m-sft",
+        tenant_id="test",
+        credentials={
+            "endpoint_url": os.environ.get("GPUSTACK_SERVER_URL"),
+            "api_key": os.environ.get("GPUSTACK_API_KEY"),
+        },
+        content_text="Hello world",
+        voice="Chinese Female",
+    )
+
+    content = b""
+    for chunk in result:
+        content += chunk
+
+    assert content != b""