gistfile1.rb

# is_paranoid shoulda macro

def self.should_be_paranoid
  klass = model_class
  should_have_db_column :deleted_at

  context "A #{klass.name}" do
   should "be paranoid (it will not be deleted from the database)" do
     assert klass.is_paranoid
     assert klass.included_modules.include?(IsParanoid::InstanceMethods)
   end

   should "not have a value for deleted_at" do
     assert object = klass.find(:first)
     assert_nil object.deleted_at
   end

   context "when destroyed" do
     setup do
       assert object = klass.find(:first), "This context requires there to be an existing #{klass}"
       @deleted_id = object.id
       object.destroy
     end

     should "not be found" do
       assert_raise(ActiveRecord::RecordNotFound) { klass.find(@deleted_id) }
     end

     should "still exist in the database" do
       deleted_object = klass.find_with_destroyed(@deleted_id)
       assert_not_nil deleted_object.deleted_at
     end
   end
  end
end