Detect missing dependencies and automatically run bundler

activesupport/Gemfile

@@ -13,7 +13,6 @@ gem 'i18n', '0.1.3', :vendored_at => vendor_dir.join('i18n-0.1.3')
 
 only :test do
   gem 'mocha', '>= 0.9.7'
-  gem 'ruby-prof', '>= 0.6.1'
 end
 
 disable_rubygems

activesupport/Rakefile

@@ -28,16 +28,6 @@ task :isolated_test do
   end or raise "Failures"
 end
 
-task :bundle do
-  puts "Checking if the bundled testing requirements are up to date..."
-  result = system "gem bundle"
-  unless result
-    puts "The gem bundler is not installed. Installing."
-    system "gem install bundler"
-    system "gem bundle"
-  end
-end
-
 # Create compressed packages
 dist_dirs = [ "lib", "test"]
 

activesupport/test/abstract_unit.rb

 ORIG_ARGV = ARGV.dup
 
-bundler = File.join(File.dirname(__FILE__), '..', 'vendor', 'gems', 'environment')
-require bundler if File.exist?("#{bundler}.rb")
+require 'bundler_helper'
+ensure_requirable %w( builder memcache tzinfo mocha )
 
 require 'test/unit'
 

activesupport/test/bundler_helper.rb

+BUNDLER_ENV_FILE = File.join(File.dirname(__FILE__), '..', 'vendor', 'gems', 'environment')
+
+def load_bundled_gems
+  load_bundled_gems! if File.exist?("#{BUNDLER_ENV_FILE}.rb")
+end
+
+def load_bundled_gems!
+  puts "Checking if the bundled testing requirements are up to date..."
+
+  result = system "gem bundle"
+  unless result
+    puts "The gem bundler is not installed. Installing."
+    system "gem install bundler"
+    system "gem bundle"
+  end
+
+  require BUNDLER_ENV_FILE
+end
+
+def ensure_requirable(libs)
+  load_bundled_gems
+
+  begin
+    libs.each { |lib| require lib }
+  rescue LoadError => e
+    puts "Missing required libs to run test"
+    puts e.message
+    load_bundled_gems!
+  end
+end