order_report_spec.rb

require "spec_helper"

describe OrderReport do
  subject {
    Traver.create(order_report: {
      order: { items: [{ price: 1.0 }, { price: 2.0 }] }
    })
  }
  
  describe "#update_order_report" do
    it "updates fee and total" do
      subject.update_order_report
      
      expect(subject.total).to eq(3.0)
      expect(subject.fee).to   eq(0.03)
    end
  end
end