Rakefile in declarative_authorization-0.5.5 vs Rakefile in declarative_authorization-0.5.6

@@ -1,14 +1,32 @@
 require 'rake'
 require 'rake/testtask'
 require 'rake/rdoctask'
 
-desc 'Default: run unit tests.'
-task :default => :test
+desc 'Default: run unit tests against all versions.'
+task :default => 'bundles:test'
 
+def run_for_bundles cmd
+  Dir['gemfiles/*.gemfile'].each do |gemfile|
+    puts "\n#{gemfile}: #{cmd}"
+    ENV['BUNDLE_GEMFILE'] = gemfile
+    system(cmd)
+  end
+end
+
+task 'bundles:install' do
+  run_for_bundles 'bundle install'
+end
+task 'bundles:update' do
+  run_for_bundles 'bundle update'
+end
+task 'bundles:test' do
+  run_for_bundles 'bundle exec rake test'
+end
+
 desc 'Test the authorization plugin.'
 Rake::TestTask.new(:test) do |t|
-  t.libs << 'lib'
+  t.libs << 'lib' << 'test'
   t.pattern = 'test/**/*_test.rb'
   t.verbose = true
 end
 
 desc 'Generate documentation for the authorization plugin.'