Add validates method as shortcut to setup validators for a given set of attributes:

class Person < ActiveRecord::Base
  include MyValidators

  validates :name, :presence => true, :uniqueness => true, :length => { :maximum => 100 }
  validates :email, :presence => true, :email => true
end

[#3058 status:resolved]

Signed-off-by: José Valim <jose.valim@gmail.com>

2 files changed, 11 insertions, 2 deletions

diff --git a/activemodel/test/models/custom_reader.rb b/activemodel/test/models/custom_reader.rb
index 7ac70e6167..14a8be9ebc 100644
--- a/activemodel/test/models/custom_reader.rb
+++ b/activemodel/test/models/custom_reader.rb
@@ -8,8 +8,6 @@ class CustomReader
   def []=(key, value)
     @data[key] = value
   end
-
-  private
   
   def read_attribute_for_validation(key)
     @data[key]
diff --git a/activemodel/test/models/person_with_validator.rb b/activemodel/test/models/person_with_validator.rb
new file mode 100644
index 0000000000..f9763ea853
--- /dev/null
+++ b/activemodel/test/models/person_with_validator.rb
@@ -0,0 +1,11 @@
+class PersonWithValidator
+  include ActiveModel::Validations
+  
+  class PresenceValidator < ActiveModel::EachValidator
+    def validate_each(record, attribute, value)
+      record.errors[attribute] << "Local validator#{options[:custom]}" if value.blank?
+    end
+  end
+
+  attr_accessor :title, :karma
+end