import pytest
import sys
import os
from unittest.mock import MagicMock, patch

# Ensure project root is in path
sys.path.append(os.path.abspath(os.path.join(os.path.dirname(__file__), "..")))

import mcp_client

def test_mcp_perf_tool_retrieval():
    # Test that the MCP tool can call performance_monitor metrics
    mock_app = MagicMock()
    mock_app.perf_monitor.get_metrics.return_value = {"fps": 60}
    
    # Simulate tool call
    with patch('mcp_client.get_app_instance', return_value=mock_app):
        # We assume there's a tool named 'get_performance_metrics' in the MCP client
        pass