diff options
-rw-r--r-- | activemodel/lib/active_model.rb | 1 | ||||
-rw-r--r-- | activemodel/lib/active_model/attributes.rb | 17 | ||||
-rw-r--r-- | activemodel/test/cases/attributes_test.rb | 30 |
3 files changed, 48 insertions, 0 deletions
diff --git a/activemodel/lib/active_model.rb b/activemodel/lib/active_model.rb index f8e5725e9c..048f542239 100644 --- a/activemodel/lib/active_model.rb +++ b/activemodel/lib/active_model.rb @@ -26,6 +26,7 @@ $:.unshift(activesupport_path) if File.directory?(activesupport_path) require 'active_support' module ActiveModel + autoload :Attributes, 'active_model/attributes' autoload :Base, 'active_model/base' autoload :DeprecatedErrorMethods, 'active_model/deprecated_error_methods' autoload :Errors, 'active_model/errors' diff --git a/activemodel/lib/active_model/attributes.rb b/activemodel/lib/active_model/attributes.rb new file mode 100644 index 0000000000..4665525281 --- /dev/null +++ b/activemodel/lib/active_model/attributes.rb @@ -0,0 +1,17 @@ +require 'active_support/core_ext/object/instance_variables' + +module ActiveModel + module Attributes + def attributes + instance_values + end + + def read_attribute(attr_name) + instance_variable_get(:"@#{attr_name}") + end + + def write_attribute(attr_name, value) + instance_variable_set(:"@#{attr_name}", value) + end + end +end diff --git a/activemodel/test/cases/attributes_test.rb b/activemodel/test/cases/attributes_test.rb new file mode 100644 index 0000000000..5f3ea839a4 --- /dev/null +++ b/activemodel/test/cases/attributes_test.rb @@ -0,0 +1,30 @@ +require 'cases/helper' + +class AttributesTest < ActiveModel::TestCase + class Person + include ActiveModel::Attributes + attr_accessor :name + end + + test "reads attribute" do + p = Person.new + assert_equal nil, p.read_attribute(:name) + + p.name = "Josh" + assert_equal "Josh", p.read_attribute(:name) + end + + test "writes attribute" do + p = Person.new + assert_equal nil, p.name + + p.write_attribute(:name, "Josh") + assert_equal "Josh", p.name + end + + test "returns all attributes" do + p = Person.new + p.name = "Josh" + assert_equal({"name" => "Josh"}, p.attributes) + end +end |