Upgrade to rails 4.1

spec/support/shared_database.rb

@@ -1,29 +1,16 @@
-# http://stackoverflow.com/questions/8774227
-# http://blog.plataformatec.com.br/2011/12/three-tips-to-improve-the-performance-of-your-test-suite
-class ActiveRecord::Base
-    mattr_accessor :shared_connection
-    @@shared_connection = nil
-       
-    def self.connection
-      @@shared_connection || ConnectionPool::Wrapper.new(:size => 1) { retrieve_connection }
-    end
-end
-# Forces all threads to share the same connection. This works on
-# Capybara because it starts the web server in a thread.
-ActiveRecord::Base.shared_connection = ActiveRecord::Base.connection
-
 ActiveSupport.on_load(:after_initialize) do
   # We simulate the shared database by pointing to our own database.
   #   This allows running tests without additional database setup.
   #   But take care when designing tests using the shared database.
-  SharedSupplier.establish_connection Rails.env
-  SharedArticle.establish_connection Rails.env
+  SharedSupplier.establish_connection Rails.env.to_sym
+  SharedArticle.establish_connection Rails.env.to_sym
   # hack for different structure of shared database
   SharedArticle.class_eval do
+    belongs_to :supplier, class_name: 'SharedSupplier'
     alias_attribute :number, :order_number
     alias_attribute :updated_on, :updated_at
     def category
-      ArticleCategory.find(article_category_id).name
+      ArticleCategory.where(id: article_category_id).first
     end
     def self.find_by_number(n)
       find_by_order_number(n)