class HackSet < ApplicationRecord
  validates_length_of :input, maximum: 1000, message: "不能超过1000个字符"
  validates_length_of :output, maximum: 1000, message: "不能超过1000个字符"
  validates :input, presence: { message: "测试集输入不能为空" }
  validates :output, presence: { message: "测试集输出不能为空" }
  validates_uniqueness_of :input, scope: [:hack_id, :input], message: "多个测试集的输入不能相同"
  # 编程题测试集
  belongs_to :hack
end