Test on Ruby 2 && Rails 4

.travis.yml

@@ -2,10 +2,18 @@ rvm:
   - 1.8.7
   - 1.9.2
   - 1.9.3
+  - 2.0.0
 branches:
   only:
     - master
 gemfile:
   - gemfiles/rails30.gemfile
   - gemfiles/rails31.gemfile
-  - gemfiles/rails32.gemfile
+  - gemfiles/rails32.gemfile
+  - gemfiles/rails40.gemfile
+matrix:
+  exclude:
+    - rvm: 1.8.7
+      gemfile: gemfiles/rails4.gemfile
+    - rvm: 1.9.2
+      gemfile: gemfiles/rails4.gemfile

Appraisals

@@ -8,4 +8,8 @@ end
 
 appraise 'rails32' do
   gem 'rails', '~> 3.2.0'
-end
+end
+
+appraise 'rails40' do
+  gem 'rails', '~> 4.0.0'
+end

gemfiles/rails40.gemfile

@@ -0,0 +1,7 @@
+# This file was generated by Appraisal
+
+source "http://rubygems.org"
+
+gem "rails", "~> 4.0.0"
+
+gemspec :path=>"../"