each_subjects

ar_model_spec.rb

describe ArModel do
  context "when active" do
    subject { ArModel.active }
    each_subjects(:status_code) { should eql('ACTIVE') }
  end
end

spec_helper.rb

module RSpec::Core::Subject::ClassMethods
  def each_subjects(attribute, &block)
    @explicit_subject_block.call.each do |sub|
      subject {sub}
      its(attribute, &block)
    end
  end
end