require_relative '../../spec_helper'
require_relative 'fixtures/classes'

describe "Data#members" do
  it "returns an array of attribute names" do
    measure = DataSpecs::Measure.new(amount: 42, unit: 'km')
    measure.members.should == [:amount, :unit]
  end
end

describe "DataClass#members" do
  it "returns an array of attribute names" do
    DataSpecs::Measure.members.should == [:amount, :unit]
  end

  context "class inheriting Data" do
    it "isn't available in a subclass" do
      DataSpecs::DataSubclass.should_not.respond_to?(:members)
    end
  end
end