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-rw-r--r--activemodel/lib/active_model/validator.rb32
1 files changed, 10 insertions, 22 deletions
diff --git a/activemodel/lib/active_model/validator.rb b/activemodel/lib/active_model/validator.rb
index 690856aee1..1d2888a818 100644
--- a/activemodel/lib/active_model/validator.rb
+++ b/activemodel/lib/active_model/validator.rb
@@ -15,7 +15,7 @@ module ActiveModel
# class MyValidator < ActiveModel::Validator
# def validate(record)
# if some_complex_logic
- # record.errors[:base] = "This record is invalid"
+ # record.errors.add(:base, "This record is invalid")
# end
# end
#
@@ -61,7 +61,7 @@ module ActiveModel
# end
#
# Note that the validator is initialized only once for the whole application
- # lifecycle, and not on each validation run.
+ # life cycle, and not on each validation run.
#
# The easiest way to add custom validators for validating individual attributes
# is with the convenient <tt>ActiveModel::EachValidator</tt>.
@@ -79,11 +79,11 @@ module ActiveModel
# include ActiveModel::Validations
# attr_accessor :title
#
- # validates :title, presence: true
+ # validates :title, presence: true, title: true
# end
#
# It can be useful to access the class that is using that validator when there are prerequisites such
- # as an +attr_accessor+ being present. This class is accessable via +options[:class]+ in the constructor.
+ # as an +attr_accessor+ being present. This class is accessible via +options[:class]+ in the constructor.
# To setup your validator override the constructor.
#
# class MyValidator < ActiveModel::Validator
@@ -106,10 +106,9 @@ module ActiveModel
# Accepts options that will be made available through the +options+ reader.
def initialize(options = {})
@options = options.except(:class).freeze
- deprecated_setup(options)
end
- # Return the kind for this validator.
+ # Returns the kind for this validator.
#
# PresenceValidator.new.kind # => :presence
# UniquenessValidator.new.kind # => :uniqueness
@@ -122,28 +121,13 @@ module ActiveModel
def validate(record)
raise NotImplementedError, "Subclasses must implement a validate(record) method."
end
-
- private
- def deprecated_setup(options) # TODO: remove me in 4.2.
- return unless respond_to?(:setup)
- ActiveSupport::Deprecation.warn "The `Validator#setup` instance method is deprecated and will be removed on Rails 4.2. Do your setup in the constructor instead:
-
-class MyValidator < ActiveModel::Validator
- def initialize(options={})
- super
- options[:class].send :attr_accessor, :custom_attribute
- end
-end
-"
- setup(options[:class])
- end
end
# +EachValidator+ is a validator which iterates through the attributes given
# in the options hash invoking the <tt>validate_each</tt> method passing in the
# record, attribute and value.
#
- # All Active Model validations are built on top of this validator.
+ # All \Active \Model validations are built on top of this validator.
class EachValidator < Validator #:nodoc:
attr_reader :attributes
@@ -179,6 +163,10 @@ end
# +ArgumentError+ when invalid options are supplied.
def check_validity!
end
+
+ def should_validate?(record) # :nodoc:
+ !record.persisted? || record.changed? || record.marked_for_destruction?
+ end
end
# +BlockValidator+ is a special +EachValidator+ which receives a block on initialization