gistfile1.rbx

# Packages
Factory.sequence :package_tracking_number do |n|
  "1Z9999W9999999999#{n}"
end

Factory.define :package do |p|
  p.shipment { |shipment| shipment.association(:shipment) }
  p.tracking_number { Factory.next(:package_tracking_number) }
  p.vendor_type { |z| z.association(:package_fedex_envelope) }
  p.weight 1.00
end