# File lib/mocha/mockery.rb, line 181
    def on_stubbing_method_unnecessarily(expectation)
      if Mocha::Configuration.prevent?(:stubbing_method_unnecessarily)
        raise StubbingError.new("stubbing method unnecessarily: #{expectation.method_signature}", expectation.backtrace)
      end
      return unless Mocha::Configuration.warn_when?(:stubbing_method_unnecessarily)
      logger.warn "stubbing method unnecessarily: #{expectation.method_signature}"
    end