1
0
Fork 0
mirror of https://github.com/rails/rails.git synced 2022-11-09 12:12:34 -05:00
rails--rails/activemodel/examples/validations.rb

29 lines
496 B
Ruby

require 'active_model'
class Person
include ActiveModel::Conversion
include ActiveModel::Validations
validates :name, presence: true
attr_accessor :name
def initialize(attributes = {})
@name = attributes[:name]
end
def persist
@persisted = true
end
def persisted?
@persisted
end
end
person1 = Person.new
p person1.valid? # => false
p person1.errors.messages # => {:name=>["can't be blank"]}
person2 = Person.new(:name => "matz")
p person2.valid? # => true