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-rw-r--r--activerecord/lib/active_record/validations/absence.rb24
-rw-r--r--activerecord/lib/active_record/validations/length.rb5
-rw-r--r--activerecord/lib/active_record/validations/presence.rb14
-rw-r--r--activerecord/lib/active_record/validations/uniqueness.rb4
4 files changed, 35 insertions, 12 deletions
diff --git a/activerecord/lib/active_record/validations/absence.rb b/activerecord/lib/active_record/validations/absence.rb
new file mode 100644
index 0000000000..2e19e6dc5c
--- /dev/null
+++ b/activerecord/lib/active_record/validations/absence.rb
@@ -0,0 +1,24 @@
+module ActiveRecord
+ module Validations
+ class AbsenceValidator < ActiveModel::Validations::AbsenceValidator # :nodoc:
+ def validate_each(record, attribute, association_or_value)
+ return unless should_validate?(record)
+ if record.class._reflect_on_association(attribute)
+ association_or_value = Array.wrap(association_or_value).reject(&:marked_for_destruction?)
+ end
+ super
+ end
+ end
+
+ module ClassMethods
+ # Validates that the specified attributes are not present (as defined by
+ # Object#present?). If the attribute is an association, the associated object
+ # is considered absent if it was marked for destruction.
+ #
+ # See ActiveModel::Validations::HelperMethods.validates_absence_of for more information.
+ def validates_absence_of(*attr_names)
+ validates_with AbsenceValidator, _merge_attributes(attr_names)
+ end
+ end
+ end
+end
diff --git a/activerecord/lib/active_record/validations/length.rb b/activerecord/lib/active_record/validations/length.rb
index 5991fbad8e..69e048eef1 100644
--- a/activerecord/lib/active_record/validations/length.rb
+++ b/activerecord/lib/active_record/validations/length.rb
@@ -22,7 +22,10 @@ module ActiveRecord
end
module ClassMethods
- # See <tt>ActiveModel::Validation::LengthValidator</tt> for more information.
+ # Validates that the specified attributes match the length restrictions supplied.
+ # If the attribute is an association, records that are marked for destruction are not counted.
+ #
+ # See ActiveModel::Validations::HelperMethods.validates_length_of for more information.
def validates_length_of(*attr_names)
validates_with LengthValidator, _merge_attributes(attr_names)
end
diff --git a/activerecord/lib/active_record/validations/presence.rb b/activerecord/lib/active_record/validations/presence.rb
index a9b791397b..23a3985d35 100644
--- a/activerecord/lib/active_record/validations/presence.rb
+++ b/activerecord/lib/active_record/validations/presence.rb
@@ -1,18 +1,12 @@
module ActiveRecord
module Validations
class PresenceValidator < ActiveModel::Validations::PresenceValidator # :nodoc:
- def validate(record)
+ def validate_each(record, attribute, association_or_value)
return unless should_validate?(record)
- super
- attributes.each do |attribute|
- next unless record.class._reflect_on_association(attribute)
- associated_records = Array.wrap(record.send(attribute))
-
- # Superclass validates presence. Ensure present records aren't about to be destroyed.
- if associated_records.present? && associated_records.all?(&:marked_for_destruction?)
- record.errors.add(attribute, :blank, options)
- end
+ if record.class._reflect_on_association(attribute)
+ association_or_value = Array.wrap(association_or_value).reject(&:marked_for_destruction?)
end
+ super
end
end
diff --git a/activerecord/lib/active_record/validations/uniqueness.rb b/activerecord/lib/active_record/validations/uniqueness.rb
index 5106f4e127..32d17a1392 100644
--- a/activerecord/lib/active_record/validations/uniqueness.rb
+++ b/activerecord/lib/active_record/validations/uniqueness.rb
@@ -17,7 +17,9 @@ module ActiveRecord
value = map_enum_attribute(finder_class, attribute, value)
relation = build_relation(finder_class, table, attribute, value)
- relation = relation.where.not(finder_class.primary_key => record.id) if record.persisted?
+ if record.persisted? && finder_class.primary_key.to_s != attribute.to_s
+ relation = relation.where.not(finder_class.primary_key => record.id)
+ end
relation = scope_relation(record, table, relation)
relation = relation.merge(options[:conditions]) if options[:conditions]