Merge pull request #528 from arthurnn/travis_one_file

Few Travis configs

.travis.yml

@@ -2,14 +2,15 @@ language: ruby
 rvm:
   - 1.9.3
   - 2.0.0
-  - 2.1.0
+  - 2.1.1
   - ruby-head
   - jruby
   - rbx-2
-gemfile:
-  - Gemfile
-  - Gemfile.rails3
-  - Gemfile.edge
+env:
+  - "RAILS_VERSION=3.2.17"
+  - "RAILS_VERSION=4.0.3"
+  - "RAILS_VERSION=4.1.0.rc1"
+  - "RAILS_VERSION=master"
 matrix:
   allow_failures:
     - rvm: ruby-head

Gemfile

@@ -17,4 +17,15 @@ platforms :jruby do
   gem 'activerecord-jdbcsqlite3-adapter'
 end
 
-gem 'rails', '~> 4.0.0'
+version = ENV["RAILS_VERSION"] || "4.0.2"
+rails = case version
+        when "master"
+          {:github => "rails/rails"}
+        else
+          "~> #{version}"
+        end
+gem "rails", rails
+
+if version < "4"
+  gem "minitest", "~> 4.7.5"
+end