feat: add system settings with model connectivity and encrypted storage

server/tests/test_settings_service.py

@@ -0,0 +1,84 @@
+from __future__ import annotations
+
+from app.schemas.settings import ModelConnectivityTestRequest
+from app.services.model_connectivity import ConnectivityCheckError, probe_model_connectivity
+
+
+def test_probe_openai_compatible_chat_model(monkeypatch) -> None:
+    captured: dict[str, object] = {}
+
+    def fake_send_json_request(method, url, *, headers, payload):
+        captured["method"] = method
+        captured["url"] = url
+        captured["headers"] = headers
+        captured["payload"] = payload
+        return 200, {"id": "ok"}
+
+    monkeypatch.setattr("app.services.model_connectivity._send_json_request", fake_send_json_request)
+
+    result = probe_model_connectivity(
+        ModelConnectivityTestRequest(
+            provider="OpenAI Compatible",
+            endpoint="https://api.example.com/v1",
+            model="gpt-test",
+            api_key="secret",
+            capability="chat",
+        )
+    )
+
+    assert result.ok is True
+    assert result.status_code == 200
+    assert captured["method"] == "POST"
+    assert captured["url"] == "https://api.example.com/v1/chat/completions"
+    assert captured["headers"]["Authorization"] == "Bearer secret"
+    assert captured["payload"]["model"] == "gpt-test"
+
+
+def test_probe_azure_embedding_model(monkeypatch) -> None:
+    captured: dict[str, object] = {}
+
+    def fake_send_json_request(method, url, *, headers, payload):
+        captured["url"] = url
+        captured["headers"] = headers
+        captured["payload"] = payload
+        return 200, {"data": []}
+
+    monkeypatch.setattr("app.services.model_connectivity._send_json_request", fake_send_json_request)
+
+    result = probe_model_connectivity(
+        ModelConnectivityTestRequest(
+            provider="Azure OpenAI",
+            endpoint="https://resource.openai.azure.com",
+            model="embedding-deployment",
+            api_key="azure-key",
+            capability="embedding",
+        )
+    )
+
+    assert result.ok is True
+    assert (
+        captured["url"]
+        == "https://resource.openai.azure.com/openai/deployments/embedding-deployment/embeddings?api-version=2024-10-21"
+    )
+    assert captured["headers"]["api-key"] == "azure-key"
+    assert captured["payload"]["input"] == "connectivity test"
+
+
+def test_probe_ollama_failure_returns_error_payload(monkeypatch) -> None:
+    def fake_send_json_request(method, url, *, headers, payload):
+        raise ConnectivityCheckError("模型不存在或尚未拉取。", status_code=404)
+
+    monkeypatch.setattr("app.services.model_connectivity._send_json_request", fake_send_json_request)
+
+    result = probe_model_connectivity(
+        ModelConnectivityTestRequest(
+            provider="Ollama",
+            endpoint="http://127.0.0.1:11434",
+            model="llama3.1",
+            capability="chat",
+        )
+    )
+
+    assert result.ok is False
+    assert result.status_code == 404
+    assert "模型不存在" in result.detail