class DatabaseCleaner::Cleaner

def strategy=(args)
  strategy, *strategy_args = args
  @strategy = if strategy.is_a?(Symbol)
    create_strategy(*args)
  elsif strategy_args.empty?
    strategy
  else
    raise ArgumentError, "You must provide a strategy object, or a symbol for a known strategy along with initialization params."
  end
  set_strategy_db @strategy, db
end