FactoryBot.define do
  factory :inventory_unit, class: Spree::InventoryUnit do
    variant
    order
    line_item
    state 'on_hand'
    association(:shipment, factory: :shipment, state: 'pending')
    # return_authorization

    # this trait usage increases build speed ~ 2x
    trait :without_assoc do
      shipment nil
      order nil
      line_item nil
    end
  end
end