fix(mcp): simplify health_check tool and refactor system utils (#36063)

tests/unit_tests/mcp_service/system/tool/test_health_check.py

@@ -0,0 +1,55 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+"""Tests for health_check MCP tool."""
+
+from superset.mcp_service.system.schemas import HealthCheckResponse
+
+
+def test_health_check_response_schema():
+    """Test that HealthCheckResponse has required fields."""
+    response = HealthCheckResponse(
+        status="healthy",
+        timestamp="2025-11-10T19:00:00",
+        service="Test MCP Service",
+        version="4.0.0",
+        python_version="3.11.0",
+        platform="Darwin",
+    )
+
+    assert response.status == "healthy"
+    assert response.service == "Test MCP Service"
+    assert response.version == "4.0.0"
+    assert response.python_version == "3.11.0"
+    assert response.platform == "Darwin"
+    assert response.timestamp is not None
+    assert response.uptime_seconds is None  # Optional field
+
+
+def test_health_check_response_with_uptime():
+    """Test HealthCheckResponse with optional uptime field."""
+    response = HealthCheckResponse(
+        status="healthy",
+        timestamp="2025-11-10T19:00:00",
+        service="Test MCP Service",
+        version="4.0.0",
+        python_version="3.11.0",
+        platform="Darwin",
+        uptime_seconds=123.45,
+    )
+
+    assert response.uptime_seconds == 123.45