give name to work package short path

config/routes.rb

@@ -67,7 +67,7 @@ Rails.application.routes.draw do
   get "/wp(/)" => redirect("#{rails_relative_url_root}/work_packages")
   get "/wp/*rest" => redirect { |params, _req|
     "#{rails_relative_url_root}/work_packages/#{URI::RFC2396_Parser.new.escape(params[:rest])}"
-  }
+  }, as: :work_package_short
 
   # Add catch method for Rack OmniAuth to allow route helpers
   # Note: This renders a 404 in rails but is caught by omniauth in Rack before

spec/routing/short_uri_wp_spec.rb

@@ -56,5 +56,10 @@ RSpec.describe "routes for old issue uris", type: :request do
       expect(last_response).to be_redirect
       expect(last_response.location).to end_with "/work_packages/1234"
     end
+
+    it "has a path helper" do
+      expect(work_package_short_path("123")).to eq("/wp/123")
+      expect(work_package_short_path(%w[123 a_tab foo])).to eq("/wp/123/a_tab/foo")
+    end
   end
 end