require 'spec_helper' describe Charger::Price do subject { Charger::Price.new } describe 'fields' do it { should respond_to :ending_quantity } it { should respond_to :starting_quantity } it { should respond_to :unit_price } end describe '#between_quantities?' do pending 'write these' end describe '#remaining_quantity' do pending 'write these' end describe '#total' do pending 'write these' end end