Get ActionPack's test running on bundled gems. This should make running tests on new machines, as well as CI, work well.

.gitignore

@@ -27,3 +27,8 @@ railties/guides/output
 *.rbc
 *.swp
 *.swo
+actionpack/bin
+*/vendor/gems/gems
+*/vendor/gems/specifications
+*/vendor/gems/environment.rb
+*/vendor/gems/dirs/specifications

actionpack/Gemfile

@@ -0,0 +1,14 @@
+rails_root = Pathname.new(File.dirname(__FILE__)).join("..")
+
+gem "rack", "~> 1.0.0"
+gem "rack-test", "~> 0.4.2"
+gem "activesupport", "3.0.pre", :vendored_at => rails_root.join("activesupport")
+gem "activemodel", "3.0.pre", :vendored_at => rails_root.join("activemodel")
+
+only :test do
+  gem "mocha"
+  gem "sqlite3-ruby"
+  gem "RedCloth"
+end
+
+disable_system_gems

actionpack/Rakefile

@@ -17,7 +17,17 @@ RUBY_FORGE_PROJECT = "actionpack"
 RUBY_FORGE_USER    = "webster132"
 
 desc "Default Task"
-task :default => [ :test ]
+task :default => [ :bundle, :test ]
+
+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
 
 # Run the unit tests
 

actionpack/test/abstract_unit.rb

@@ -1,20 +1,15 @@
 $:.unshift(File.dirname(__FILE__) + '/../lib')
-$:.unshift(File.dirname(__FILE__) + '/../../activesupport/lib')
-$:.unshift(File.dirname(__FILE__) + '/../../activemodel/lib')
 $:.unshift(File.dirname(__FILE__) + '/lib')
-
 $:.unshift(File.dirname(__FILE__) + '/fixtures/helpers')
 $:.unshift(File.dirname(__FILE__) + '/fixtures/alternate_helpers')
 
+require File.join(File.dirname(__FILE__), "..", "vendor", "gems", "environment")
+
 ENV['TMPDIR'] = File.join(File.dirname(__FILE__), 'tmp')
 
 ENV['new_base'] = "true"
 $stderr.puts "Running old tests on new_base"
 
-require 'rubygems'
-gem "rack", "~> 1.0.0"
-gem "rack-test", "~> 0.4.2"
-
 require 'test/unit'
 require 'active_support'
 require 'active_support/test_case'

actionpack/test/new_base/test_helper.rb

@@ -1,10 +1,7 @@
 $:.unshift(File.dirname(__FILE__) + '/../../lib')
-$:.unshift(File.dirname(__FILE__) + '/../../../activesupport/lib')
 $:.unshift(File.dirname(__FILE__) + '/../lib')
 
-require 'rubygems'
-gem "rack", "~> 1.0.0"
-gem "rack-test", "~> 0.4.2"
+require File.expand_path(File.join(File.dirname(__FILE__), "..", "..", "vendor", "gems", "environment"))
 
 require 'test/unit'
 require 'active_support'

actionpack/vendor/gems/environment.rb

@@ -0,0 +1,94 @@
+# DO NOT MODIFY THIS FILE
+module Bundler
+  dir = File.dirname(__FILE__)
+
+  ENV["PATH"]     = "#{dir}/../../bin:#{ENV["PATH"]}"
+  ENV["RUBYOPT"]  = "-r#{__FILE__} #{ENV["RUBYOPT"]}"
+
+  $LOAD_PATH.unshift File.expand_path("#{dir}/dirs/gems/activemodel-3.0.pre/bin")
+  $LOAD_PATH.unshift File.expand_path("#{dir}/../../../activemodel/lib")
+  $LOAD_PATH.unshift File.expand_path("#{dir}/dirs/gems/activesupport-3.0.pre/bin")
+  $LOAD_PATH.unshift File.expand_path("#{dir}/../../../activesupport/lib")
+  $LOAD_PATH.unshift File.expand_path("#{dir}/gems/rack-1.0.0/bin")
+  $LOAD_PATH.unshift File.expand_path("#{dir}/gems/rack-1.0.0/lib")
+  $LOAD_PATH.unshift File.expand_path("#{dir}/gems/rack-test-0.4.2/bin")
+  $LOAD_PATH.unshift File.expand_path("#{dir}/gems/rack-test-0.4.2/lib")
+
+  @gemfile = "#{dir}/../../Gemfile"
+
+  require "rubygems"
+
+  @bundled_specs = {}
+  @bundled_specs["rack"] = eval(File.read("#{dir}/specifications/rack-1.0.0.gemspec"))
+  @bundled_specs["rack"].loaded_from = "#{dir}/specifications/rack-1.0.0.gemspec"
+  @bundled_specs["activemodel"] = eval(File.read("#{dir}/dirs/specifications/activemodel-3.0.pre.gemspec"))
+  @bundled_specs["activemodel"].loaded_from = "#{dir}/dirs/specifications/activemodel-3.0.pre.gemspec"
+  @bundled_specs["rack-test"] = eval(File.read("#{dir}/specifications/rack-test-0.4.2.gemspec"))
+  @bundled_specs["rack-test"].loaded_from = "#{dir}/specifications/rack-test-0.4.2.gemspec"
+  @bundled_specs["activesupport"] = eval(File.read("#{dir}/dirs/specifications/activesupport-3.0.pre.gemspec"))
+  @bundled_specs["activesupport"].loaded_from = "#{dir}/dirs/specifications/activesupport-3.0.pre.gemspec"
+
+  def self.add_specs_to_loaded_specs
+    Gem.loaded_specs.merge! @bundled_specs
+  end
+
+  def self.add_specs_to_index
+    @bundled_specs.each do |name, spec|
+      Gem.source_index.add_spec spec
+    end
+  end
+
+  add_specs_to_loaded_specs
+  add_specs_to_index
+
+  def self.require_env(env = nil)
+    context = Class.new do
+      def initialize(env) @env = env && env.to_s ; end
+      def method_missing(*) ; end
+      def only(env)
+        old, @only = @only, _combine_onlys(env)
+        yield
+        @only = old
+      end
+      def except(env)
+        old, @except = @except, _combine_excepts(env)
+        yield
+        @except = old
+      end
+      def gem(name, *args)
+        opt = args.last || {}
+        only = _combine_onlys(opt[:only] || opt["only"])
+        except = _combine_excepts(opt[:except] || opt["except"])
+        files = opt[:require_as] || opt["require_as"] || name
+
+        return unless !only || only.any? {|e| e == @env }
+        return if except && except.any? {|e| e == @env }
+
+        files.each { |f| require f }
+        yield if block_given?
+        true
+      end
+      private
+      def _combine_onlys(only)
+        return @only unless only
+        only = [only].flatten.compact.uniq.map { |o| o.to_s }
+        only &= @only if @only
+        only
+      end
+      def _combine_excepts(except)
+        return @except unless except
+        except = [except].flatten.compact.uniq.map { |o| o.to_s }
+        except |= @except if @except
+        except
+      end
+    end
+    context.new(env && env.to_s).instance_eval(File.read(@gemfile))
+  end
+end
+
+module Gem
+  def source_index.refresh!
+    super
+    Bundler.add_specs_to_index
+  end
+end