Update asr library preview

api/tests/test_asr.py

@@ -287,3 +287,61 @@ class TestASRModelAPI:
             response = client.post("/api/asr", json=data)
             assert response.status_code == 200
             assert response.json()["vendor"] == vendor
+
+    def test_preview_asr_model_success(self, client, sample_asr_model_data, monkeypatch):
+        """Test ASR preview endpoint with OpenAI-compatible transcriptions API."""
+        from app.routers import asr as asr_router
+
+        create_response = client.post("/api/asr", json=sample_asr_model_data)
+        model_id = create_response.json()["id"]
+
+        class DummyResponse:
+            status_code = 200
+
+            def json(self):
+                return {"text": "你好，这是测试转写", "language": "zh", "confidence": 0.98}
+
+            @property
+            def text(self):
+                return '{"text":"ok"}'
+
+        class DummyClient:
+            def __init__(self, *args, **kwargs):
+                pass
+
+            def __enter__(self):
+                return self
+
+            def __exit__(self, exc_type, exc, tb):
+                return False
+
+            def post(self, url, headers=None, data=None, files=None):
+                assert url.endswith("/audio/transcriptions")
+                assert headers["Authorization"] == f"Bearer {sample_asr_model_data['api_key']}"
+                assert data["model"] == sample_asr_model_data["model_name"]
+                assert files["file"][0] == "sample.wav"
+                return DummyResponse()
+
+        monkeypatch.setattr(asr_router.httpx, "Client", DummyClient)
+
+        response = client.post(
+            f"/api/asr/{model_id}/preview",
+            files={"file": ("sample.wav", b"fake-wav-bytes", "audio/wav")},
+        )
+        assert response.status_code == 200
+        payload = response.json()
+        assert payload["success"] is True
+        assert payload["transcript"] == "你好，这是测试转写"
+        assert payload["language"] == "zh"
+
+    def test_preview_asr_model_reject_non_audio(self, client, sample_asr_model_data):
+        """Test ASR preview endpoint rejects non-audio file."""
+        create_response = client.post("/api/asr", json=sample_asr_model_data)
+        model_id = create_response.json()["id"]
+
+        response = client.post(
+            f"/api/asr/{model_id}/preview",
+            files={"file": ("sample.txt", b"text-data", "text/plain")},
+        )
+        assert response.status_code == 400
+        assert "Only audio files are supported" in response.text