changes on mongoid.yml

Appraisals

@@ -1,8 +1,3 @@
-appraise 'rails-3' do
-  gem 'rails', '~> 3.2.21'
-  gem 'mongoid', '~> 3.1.6'
-end
-
 appraise 'rails-4' do
   gem 'rails', '~> 4.0'
   gem 'mongoid', '~> 4'

re_track.gemspec

@@ -17,7 +17,7 @@ Gem::Specification.new do |s|
   s.require_paths = ['lib']
 
   s.add_runtime_dependency 'rails'
-  s.add_runtime_dependency 'mongoid', '>= 6'
+  s.add_runtime_dependency 'mongoid', '>= 4'
   s.add_runtime_dependency 'activesupport'
 
   s.add_development_dependency 'rspec-rails'

spec/dummy/config/mongoid.yml

@@ -1,16 +1,21 @@
-development:
-  sessions:
-    default:
-      database: retrack_dummy_development
-      hosts:
-        - localhost:27017
+default_session: &default_session
+  hosts: localhost:27017
+  database: retrack_dummy_development
   options:
+
+defaults: &defaults
+  clients:
+    default:
+      <<: *default_session
+
+development:
+  <<: *defaults
+
 test:
-  sessions:
+  clients:
     default:
+      <<: *default_session
       database: retrack_dummy_test
-      hosts:
-        - localhost:27017
       options:
         # consistency: :strong
         # In the test environment we lower the retries and retry interval to