@@ -129,6 +129,28 @@ module ThoughtBot # :nodoc: end end + # Ensures that the attribute cannot be changed once the record has been created. + # Requires an existing record. + # + # should_have_readonly_attributes :password, :admin_flag + # + def should_have_readonly_attributes(*attributes) + get_options!(attributes) + klass = model_class + + attributes.each do |attribute| + attribute = attribute.to_sym + should "make #{attribute} read-only" do + readonly = klass.readonly_attributes || [] + + assert readonly.include?(attribute.to_s), + (readonly.empty? ? + "#{klass} attribute #{attribute} is not read-only" : + "#{klass} is making #{readonly.to_a.to_sentence} read-only, but not #{attribute}.") + end + end + end + # Ensures that the attribute cannot be set to the given values # Requires an existing record # lib/shoulda/active_record_helpers.rb @@ -5,6 +5,7 @@ class User < ActiveRecord::Base has_one :address, :as => :addressable attr_protected :password + attr_readonly :name validates_format_of :email, :with => /\w*@\w*.com/ validates_length_of :email, :in => 1..100 test/rails_root/app/models/user.rb @@ -24,4 +24,5 @@ class UserTest < Test::Unit::TestCase :null => true, :primary => false, :scale => nil, :sql_type => 'varchar(255)' should_require_acceptance_of :eula should_require_unique_attributes :email, :scoped_to => :name + should_have_readonly_attributes :name end test/unit/user_test.rb 74e76ae7e846a15ea5809293eccda551e9cdedc4 Mike Boone mike@boonedocks.net http://github.com/boone/shoulda/commit/5eb9304489af5cb0314c971b55fe6fb75a0741b4 5eb9304489af5cb0314c971b55fe6fb75a0741b4 2008-06-24T12:50:38-07:00 2008-06-24T12:50:38-07:00 Added should_have_readonly_attributes Added should_have_readonly_attributes ActiveRecord helper to test attributes set with attr_readonly. da6b4a6eb89d1598b1ce8ce9b6c42b480175f8f2 Mike Boone mike@boonedocks.net