diff --git a/activerecord/lib/active_record/nested_attributes.rb b/activerecord/lib/active_record/nested_attributes.rb
index ff3a51d5c0c54e8f48b570216e086ce69cfc2bcf..3e6f84f31dfad7512a26bbb2fec878d268f8e438 100644
--- a/activerecord/lib/active_record/nested_attributes.rb
+++ b/activerecord/lib/active_record/nested_attributes.rb
@@ -188,6 +188,8 @@ class TooManyRecords < ActiveRecordError
# the parent model is saved. This happens inside the transaction initiated
# by the parents save method. See ActiveRecord::AutosaveAssociation.
module ClassMethods
+ REJECT_ALL_BLANK_PROC = proc { |attributes| attributes.all? { |_, value| value.blank? } }
+
# Defines an attributes writer for the specified association(s). If you
# are using attr_protected or attr_accessible, then you
# will need to add the attribute writer to the allowed list.
@@ -229,6 +231,7 @@ def accepts_nested_attributes_for(*attr_names)
options = { :allow_destroy => false, :update_only => false }
options.update(attr_names.extract_options!)
options.assert_valid_keys(:allow_destroy, :reject_if, :limit, :update_only)
+ options[:reject_if] = REJECT_ALL_BLANK_PROC if options[:reject_if] == :all_blank
attr_names.each do |association_name|
if reflection = reflect_on_association(association_name)
@@ -241,11 +244,7 @@ def accepts_nested_attributes_for(*attr_names)
reflection.options[:autosave] = true
add_autosave_association_callbacks(reflection)
- self.nested_attributes_options[association_name.to_sym] = options
-
- if options[:reject_if] == :all_blank
- self.nested_attributes_options[association_name.to_sym][:reject_if] = proc { |attributes| attributes.all? {|k,v| v.blank?} }
- end
+ nested_attributes_options[association_name.to_sym] = options
# def pirate_attributes=(attributes)
# assign_nested_attributes_for_one_to_one_association(:pirate, attributes)
diff --git a/activerecord/test/cases/nested_attributes_test.rb b/activerecord/test/cases/nested_attributes_test.rb
index 8891282915ffc57afe6eb9e20400b0a521c3cc31..1d9b734b02c876660216ce88ce17bc84cd3ce0bf 100644
--- a/activerecord/test/cases/nested_attributes_test.rb
+++ b/activerecord/test/cases/nested_attributes_test.rb
@@ -34,7 +34,10 @@ def test_base_should_have_an_empty_nested_attributes_options
end
def test_should_add_a_proc_to_nested_attributes_options
- [:parrots, :birds, :birds_with_reject_all_blank].each do |name|
+ assert_equal ActiveRecord::NestedAttributes::ClassMethods::REJECT_ALL_BLANK_PROC,
+ Pirate.nested_attributes_options[:birds_with_reject_all_blank][:reject_if]
+
+ [:parrots, :birds].each do |name|
assert_instance_of Proc, Pirate.nested_attributes_options[name][:reject_if]
end
end