Test against Rails edge

.travis.yml

@@ -10,6 +10,7 @@ rvm:
 gemfile:
   - gemfiles/active_record_32.gemfile
   - gemfiles/active_record_40.gemfile
+  - gemfiles/active_record_edge.gemfile
   - gemfiles/data_mapper_12.gemfile
   - gemfiles/mongo_mapper.gemfile
   - gemfiles/mongoid_30.gemfile

Rakefile

@@ -13,7 +13,7 @@ end
 task :default => "spec:all"
 
 namespace :spec do
-  %w(active_record_40 active_record_32 active_record_31 active_record_30 data_mapper_12 mongoid_30 mongoid_24 mongo_mapper sinatra).each do |gemfile|
+  %w(active_record_edge active_record_40 active_record_32 active_record_31 active_record_30 data_mapper_12 mongoid_30 mongoid_24 mongo_mapper sinatra).each do |gemfile|
     desc "Run Tests against #{gemfile}"
     task gemfile do
       sh "BUNDLE_GEMFILE='gemfiles/#{gemfile}.gemfile' bundle --quiet"
@@ -23,7 +23,7 @@ namespace :spec do
 
   desc "Run Tests against all ORMs"
   task :all do
-    %w(active_record_40 active_record_32 active_record_31 active_record_30 data_mapper_12 mongoid_30 mongoid_24 mongo_mapper sinatra).each do |gemfile|
+    %w(active_record_edge active_record_40 active_record_32 active_record_31 active_record_30 data_mapper_12 mongoid_30 mongoid_24 mongo_mapper sinatra).each do |gemfile|
       sh "BUNDLE_GEMFILE='gemfiles/#{gemfile}.gemfile' bundle --quiet"
       sh "BUNDLE_GEMFILE='gemfiles/#{gemfile}.gemfile' bundle exec rake spec"
     end

gemfiles/active_record_edge.gemfile

@@ -0,0 +1,11 @@
+source 'https://rubygems.org'
+
+git 'git://github.com/rails/rails.git' do
+  gem 'railties'
+  gem 'activerecord', :require => 'active_record'
+end
+
+gem 'rspec-rails', '>= 2.0'
+gem 'database_cleaner', '>= 1.0.1'
+
+gemspec :path => '../'