Added regression tests for package.order and `package.stock_locatio…

…n`, to make sure correct values are available.

These depend on spree/spree#5546

spec/models/active_shipping_calculator_spec.rb

@@ -7,6 +7,7 @@ module ActiveShipping
     # NOTE: All specs will use the bogus calculator (no login information needed)
 
     let(:address) { FactoryGirl.create(:address) }
+    let(:stock_location) { FactoryGirl.create(:stock_location) }
     let!(:order) do
       order = FactoryGirl.create(:order_with_line_items, :ship_address => address, :line_items_count => 2)
       order.line_items.first.tap do |line_item|
@@ -34,6 +35,8 @@ module ActiveShipping
     let(:package) { order.shipments.first.to_package }
 
     before(:each) do
+      Spree::StockLocation.destroy_all
+      stock_location
       order.create_proposed_shipments
       order.shipments.count.should == 1
       Spree::ActiveShipping::Config.set(:units => "imperial")
@@ -42,6 +45,13 @@ module ActiveShipping
       Rails.cache.clear
     end
 
+    describe "package.order" do
+      it{ expect(package.order).to eq(order) }
+      it{ expect(package.order.ship_address).to eq(address) }
+      it{ expect(package.order.ship_address.country.iso).to eq('US') }
+      it{ expect(package.stock_location).to eq(stock_location) }
+    end
+
     describe "available" do
       context "when rates are available" do
         let(:rates) do