diff options
Diffstat (limited to 'activesupport')
| -rw-r--r-- | activesupport/CHANGELOG.md | 2 | ||||
| -rw-r--r-- | activesupport/lib/active_support/core_ext/class/attribute.rb | 6 | ||||
| -rw-r--r-- | activesupport/test/core_ext/class/attribute_test.rb | 7 |
3 files changed, 13 insertions, 2 deletions
diff --git a/activesupport/CHANGELOG.md b/activesupport/CHANGELOG.md index 79ea9c70ea..c1fef1b9d9 100644 --- a/activesupport/CHANGELOG.md +++ b/activesupport/CHANGELOG.md @@ -1,5 +1,7 @@ ## Rails 4.0.0 (unreleased) ## +* Add `:instance_accessor` option for `class_attribute`. *Alexey Vakhov* + * `constantize` now looks in the ancestor chain. *Marc-Andre Lafortune & Andrew White* * `Object#try` can't call private methods. *Vasiliy Ermolovich* diff --git a/activesupport/lib/active_support/core_ext/class/attribute.rb b/activesupport/lib/active_support/core_ext/class/attribute.rb index c64685a694..7b6f8ab0a1 100644 --- a/activesupport/lib/active_support/core_ext/class/attribute.rb +++ b/activesupport/lib/active_support/core_ext/class/attribute.rb @@ -65,10 +65,12 @@ class Class # To opt out of the instance writer method, pass :instance_writer => false. # # object.setting = false # => NoMethodError + # + # To opt out of both instance methods, pass :instance_accessor => false. def class_attribute(*attrs) options = attrs.extract_options! - instance_reader = options.fetch(:instance_reader, true) - instance_writer = options.fetch(:instance_writer, true) + instance_reader = options.fetch(:instance_accessor, true) && options.fetch(:instance_reader, true) + instance_writer = options.fetch(:instance_accessor, true) && options.fetch(:instance_writer, true) attrs.each do |name| class_eval <<-RUBY, __FILE__, __LINE__ + 1 diff --git a/activesupport/test/core_ext/class/attribute_test.rb b/activesupport/test/core_ext/class/attribute_test.rb index e290a6e012..1c3ba8a7a0 100644 --- a/activesupport/test/core_ext/class/attribute_test.rb +++ b/activesupport/test/core_ext/class/attribute_test.rb @@ -66,6 +66,13 @@ class ClassAttributeTest < ActiveSupport::TestCase assert_raise(NoMethodError) { object.setting? } end + test 'disabling both instance writer and reader' do + object = Class.new { class_attribute :setting, :instance_accessor => false }.new + assert_raise(NoMethodError) { object.setting } + assert_raise(NoMethodError) { object.setting? } + assert_raise(NoMethodError) { object.setting = 'boom' } + end + test 'works well with singleton classes' do object = @klass.new object.singleton_class.setting = 'foo' |