class DatabaseCleaner::Cleaner

def orm_strategy(strategy)
  strategy_module_name = strategy.to_s.capitalize
  orm_module.const_get(strategy_module_name)
rescue NameError
  available_strategies = self.class.available_strategies(orm_module)
  raise UnknownStrategySpecified, "The '#{strategy}' strategy does not exist for the #{orm} ORM!  Available strategies: #{available_strategies.join(', ')}"
end