import importlib
import sys
from unittest.mock import patch, MagicMock

# 模拟插件管理器
class MockPluginManager:
    def __init__(self):
        self.loaded_plugins = set()
        self.command_manager = MagicMock()
        self.command_manager.plugins = {}
    
    def load_all_plugins(self):
        from core.utils.logger import logger
        package_name = "plugins"
        module_name = "bad_plugin"
        full_module_name = f"{package_name}.{module_name}"
        
        action = "加载"
        try:
            module = importlib.import_module(full_module_name)
            self.loaded_plugins.add(full_module_name)
            logger.success(f"成功{action}: {module_name}")
        except Exception as e:
            print(f"DEBUG: Exception caught in mock: {e}")
            print(f"DEBUG: action exists: {'action' in locals()}")
            logger.exception(f"   {action}插件 {module_name} 失败: {e}")

# 测试
if __name__ == "__main__":
    with patch("importlib.import_module", side_effect=Exception("Load error")):
        pm = MockPluginManager()
        pm.load_all_plugins()
        print("Test completed")