Merge branch 'master' of git://github.com/rails/rails

actionmailer/lib/action_mailer/base.rb

@@ -311,6 +311,7 @@ module ActionMailer #:nodoc:
     include AbstractController::Layouts
     include AbstractController::Helpers
     include AbstractController::Translation
+    include AbstractController::AssetPaths
 
     helper  ActionMailer::MailHelper
 

actionmailer/lib/action_mailer/railtie.rb

@@ -13,7 +13,16 @@ module ActionMailer
     end
 
     initializer "action_mailer.set_configs" do |app|
+      paths = app.config.paths
+      am = app.config.action_mailer
+
+      am.assets_dir      ||= paths.public.to_a.first
+      am.javascripts_dir ||= paths.public.javascripts.to_a.first
+      am.stylesheets_dir ||= paths.public.stylesheets.to_a.first
+
       ActiveSupport.on_load(:action_mailer) do
+        self.config.merge!(am)
+
         include app.routes.url_helpers
 
         app.config.action_mailer.each do |k,v|

actionpack/CHANGELOG

@@ -1,5 +1,7 @@
 *Rails 3.0.0 [beta 4/release candidate] (unreleased)*
 
+* Remove middleware laziness [José Valim]
+
 * Make session stores rely on request.cookie_jar and change set_session semantics to return the cookie value instead of a boolean. [José Valim]
 
 * OAuth 2: HTTP Token Authorization support to complement Basic and Digest Authorization.  [Rick Olson]

actionpack/lib/abstract_controller.rb

@@ -20,5 +20,6 @@ module AbstractController
   autoload :Logger
   autoload :Rendering
   autoload :Translation
+  autoload :AssetPaths
   autoload :ViewPaths
 end

actionpack/lib/abstract_controller/asset_paths.rb

@@ -0,0 +1,9 @@
+module AbstractController
+  module AssetPaths
+    extend ActiveSupport::Concern
+
+    included do
+      config_accessor :assets_dir, :javascripts_dir, :stylesheets_dir
+    end
+  end
+end

actionpack/lib/abstract_controller/base.rb

@@ -1,4 +1,5 @@
 require 'active_support/configurable'
+require 'active_support/core_ext/module/anonymous'
 
 module AbstractController
   class Error < StandardError; end

actionpack/lib/abstract_controller/rendering.rb

@@ -1,4 +1,5 @@
 require "abstract_controller/base"
+require "action_view"
 
 module AbstractController
   class DoubleRenderError < Error

actionpack/lib/action_controller/base.rb

@@ -13,6 +13,7 @@ module ActionController
     MODULES = [
       AbstractController::Layouts,
       AbstractController::Translation,
+      AbstractController::AssetPaths,
 
       Helpers,
       HideActions,
@@ -66,8 +67,7 @@ module ActionController
       @subclasses ||= []
     end
 
-    # TODO Move this to the appropriate module
-    config_accessor :assets_dir, :asset_path, :javascripts_dir, :stylesheets_dir
+    config_accessor :asset_host, :asset_path
 
     ActiveSupport.run_load_hooks(:action_controller, self)
   end

actionpack/lib/action_controller/metal/rack_delegation.rb

@@ -8,10 +8,10 @@ module ActionController
     delegate :headers, :status=, :location=, :content_type=,
              :status, :location, :content_type, :to => "@_response"
 
-    def dispatch(action, request)
-      @_response = ActionDispatch::Response.new
-      @_response.request = request
-      super
+    def dispatch(action, request, response = ActionDispatch::Response.new)
+      @_response ||= response
+      @_response.request ||= request
+      super(action, request)
     end
 
     def params

actionpack/lib/action_controller/metal/request_forgery_protection.rb

@@ -47,6 +47,7 @@ module ActionController #:nodoc:
     extend ActiveSupport::Concern
 
     include AbstractController::Helpers
+    include AbstractController::Callbacks
 
     included do
       # Sets the token parameter name for RequestForgery. Calling +protect_from_forgery+

actionpack/lib/action_view/paths.rb

@@ -31,6 +31,7 @@ module ActionView #:nodoc:
 
     def typecast!
       each_with_index do |path, i|
+        path = path.to_s if path.is_a?(Pathname)
         next unless path.is_a?(String)
         self[i] = FileSystemResolver.new(path)
       end

activerecord/lib/active_record/associations/association_collection.rb

@@ -411,7 +411,8 @@ module ActiveRecord
             end
           elsif @reflection.klass.scopes[method]
             @_named_scopes_cache ||= {}
-            @_named_scopes_cache[method] ||= with_scope(construct_scope) { @reflection.klass.send(method, *args) }
+            @_named_scopes_cache[method] ||= {}
+            @_named_scopes_cache[method][args] ||= with_scope(construct_scope) { @reflection.klass.send(method, *args) }
           else
             with_scope(construct_scope) do
               if block_given?

activerecord/lib/active_record/railties/databases.rake

@@ -435,6 +435,7 @@ namespace :db do
     task :create => :environment do
       raise "Task unavailable to this database (no migration support)" unless ActiveRecord::Base.connection.supports_migrations?
       require 'rails/generators'
+      Rails::Generators.configure!
       require 'rails/generators/rails/session_migration/session_migration_generator'
       Rails::Generators::SessionMigrationGenerator.start [ ENV["MIGRATION"] || "add_sessions_table" ]
     end

activerecord/lib/active_record/relation/query_methods.rb

@@ -9,7 +9,7 @@ module ActiveRecord
       (ActiveRecord::Relation::ASSOCIATION_METHODS + ActiveRecord::Relation::MULTI_VALUE_METHODS).each do |query_method|
         attr_accessor :"#{query_method}_values"
 
-        next if [:where, :having].include?(query_method)
+        next if [:where, :having, :select].include?(query_method)
         class_eval <<-CEVAL, __FILE__, __LINE__ + 1
           def #{query_method}(*args, &block)
             new_relation = clone
@@ -21,6 +21,19 @@ module ActiveRecord
         CEVAL
       end
 
+      class_eval <<-CEVAL, __FILE__, __LINE__ + 1
+        def select(*args, &block)
+          if block_given?
+            to_a.select(&block)
+          else
+            new_relation = clone
+            value = Array.wrap(args.flatten).reject {|x| x.blank? }
+            new_relation.select_values += value if value.present?
+            new_relation
+          end
+        end
+      CEVAL
+
       [:where, :having].each do |query_method|
         class_eval <<-CEVAL, __FILE__, __LINE__ + 1
           def #{query_method}(*args, &block)

activerecord/test/cases/associations/eager_load_nested_include_test.rb

@@ -17,7 +17,7 @@ module Remembered
 
   module ClassMethods
     def remembered; @@remembered ||= []; end
-    def random_element; @@remembered.random_element; end
+    def sample; @@remembered.sample; end
   end
 end
 
@@ -79,14 +79,14 @@ class EagerLoadPolyAssocsTest < ActiveRecord::TestCase
       [Circle, Square, Triangle, NonPolyOne, NonPolyTwo].map(&:create!)
     end
     1.upto(NUM_SIMPLE_OBJS) do
-      PaintColor.create!(:non_poly_one_id => NonPolyOne.random_element.id)
-      PaintTexture.create!(:non_poly_two_id => NonPolyTwo.random_element.id)
+      PaintColor.create!(:non_poly_one_id => NonPolyOne.sample.id)
+      PaintTexture.create!(:non_poly_two_id => NonPolyTwo.sample.id)
     end
     1.upto(NUM_SHAPE_EXPRESSIONS) do
-      shape_type = [Circle, Square, Triangle].random_element
-      paint_type = [PaintColor, PaintTexture].random_element
-      ShapeExpression.create!(:shape_type => shape_type.to_s, :shape_id => shape_type.random_element.id,
-                              :paint_type => paint_type.to_s, :paint_id => paint_type.random_element.id)
+      shape_type = [Circle, Square, Triangle].sample
+      paint_type = [PaintColor, PaintTexture].sample
+      ShapeExpression.create!(:shape_type => shape_type.to_s, :shape_id => shape_type.sample.id,
+                              :paint_type => paint_type.to_s, :paint_id => paint_type.sample.id)
     end
   end
 

activerecord/test/cases/named_scope_test.rb

@@ -301,7 +301,7 @@ class NamedScopeTest < ActiveRecord::TestCase
   end
 
   def test_rand_should_select_a_random_object_from_proxy
-    assert_kind_of Topic, Topic.approved.random_element
+    assert_kind_of Topic, Topic.approved.sample
   end
 
   def test_should_use_where_in_query_for_named_scope
@@ -428,6 +428,19 @@ class NamedScopeTest < ActiveRecord::TestCase
     assert_no_queries { post.comments.containing_the_letter_e.all }
   end
 
+  def test_named_scopes_with_arguments_are_cached_on_associations
+    post = posts(:welcome)
+
+    one = post.comments.limit_by(1).all
+    assert_equal 1, one.size
+
+    two = post.comments.limit_by(2).all
+    assert_equal 2, two.size
+
+    assert_no_queries { post.comments.limit_by(1).all }
+    assert_no_queries { post.comments.limit_by(2).all }
+  end
+
   def test_named_scopes_are_reset_on_association_reload
     post = posts(:welcome)
 

activerecord/test/cases/relations_test.rb

@@ -112,6 +112,11 @@ class RelationTest < ActiveRecord::TestCase
     assert_equal 4, developers.map(&:salary).uniq.size
   end
 
+  def test_select_with_block
+    even_ids = Developer.scoped.select {|d| d.id % 2 == 0 }.map(&:id)
+    assert_equal [2, 4, 6, 8, 10], even_ids
+  end
+
   def test_finding_with_hash_conditions_on_joined_table
     firms = DependentFirm.joins(:account).where({:name => 'RailsCore', :accounts => { :credit_limit => 55..60 }}).to_a
     assert_equal 1, firms.size

activerecord/test/models/comment.rb

@@ -1,4 +1,5 @@
 class Comment < ActiveRecord::Base
+  scope :limit_by, lambda {|l| limit(l) }
   scope :containing_the_letter_e, :conditions => "comments.body LIKE '%e%'"
   scope :for_first_post, :conditions => { :post_id => 1 }
   scope :for_first_author,

activesupport/CHANGELOG

@@ -4,7 +4,7 @@
 
 * Ruby 1.9: support UTF-8 case folding.  #4595 [Norman Clarke]
 
-* Renames Array#rand -> Array#random_element. [Santiago Pastorino, Rizwan Reza]
+* Removes Array#rand and backports Array#sample from Ruby 1.9, thanks to Marc-Andre Lafortune. [fxn]
 
 * Ruby 1.9: Renames last_(month|year) to prev_(month|year) in Date and Time. [fxn]
 

activesupport/lib/active_support/core_ext/array/random_access.rb

@@ -1,6 +1,20 @@
 class Array
-  # Returns a random element from the array.
-  def random_element
-    self[Kernel.rand(length)]
-  end
+  # Backport of Array#sample based on Marc-Andre Lafortune's http://github.com/marcandre/backports/
+  def sample(n=nil)
+    return self[Kernel.rand(size)] if n.nil?
+    n = n.to_int
+  rescue Exception => e
+    raise TypeError, "Coercion error: #{n.inspect}.to_int => Integer failed:\n(#{e.message})"
+  else
+    raise TypeError, "Coercion error: obj.to_int did NOT return an Integer (was #{n.class})" unless n.kind_of? Integer
+    raise ArgumentError, "negative array size" if n < 0
+    n = size if n > size
+    result = Array.new(self)
+    n.times do |i|
+      r = i + Kernel.rand(size - i)
+      result[i], result[r] = result[r], result[i]
+    end
+    result[n..size] = []
+    result
+  end unless method_defined? :sample
 end

activesupport/lib/active_support/core_ext/kernel/debugger.rb

@@ -2,7 +2,7 @@ module Kernel
   unless respond_to?(:debugger)
     # Starts a debugging session if ruby-debug has been loaded (call rails server --debugger to do load it).
     def debugger
-      message = "\n***** Debugger requested, but was not available: Start server with --debugger to enable *****\n"
+      message = "\n***** Debugger requested, but was not available (ensure ruby-debug is listed in Gemfile/installed as gem): Start server with --debugger to enable *****\n"
       defined?(Rails) ? Rails.logger.info(message) : $stderr.puts(message)
     end
   end

activesupport/test/core_ext/array_ext_test.rb

@@ -359,14 +359,30 @@ class ArrayUniqByTests < Test::Unit::TestCase
 end
 
 class ArrayExtRandomTests < ActiveSupport::TestCase
-  def test_random_element_from_array
-    assert_nil [].random_element
+  def test_sample_from_array
+    assert_nil [].sample
+    assert_equal [], [].sample(5)
+    assert_equal 42, [42].sample
+    assert_equal [42], [42].sample(5)
 
-    Kernel.expects(:rand).with(1).returns(0)
-    assert_equal 'x', ['x'].random_element
+    a = [:foo, :bar, 42]
+    s = a.sample(2)
+    assert_equal 2, s.size
+    assert_equal 1, (a-s).size
+    assert_equal [], a-(0..20).sum{a.sample(2)}
+  
+    o = Object.new
+    def o.to_int; 1; end
+    assert_equal [0], [0].sample(o)
+  
+    o = Object.new
+    assert_raises(TypeError) { [0].sample(o) }
+    
+    o = Object.new
+    def o.to_int; ''; end
+    assert_raises(TypeError) { [0].sample(o) }
 
-    Kernel.expects(:rand).with(3).returns(1)
-    assert_equal 2, [1, 2, 3].random_element
+    assert_raises(ArgumentError) { [0].sample(-7) }
   end
 end
 

railties/CHANGELOG

@@ -1,7 +1,7 @@
 *Rails 3.0.0 [beta 4/release candidate] (unreleased)*
 
 * Version bump
-
+* Removed Rails Metal [YK & JV].
 
 *Rails 3.0.0 [beta 3] (April 13th, 2010)*
 

railties/guides/source/3_0_release_notes.textile

@@ -81,7 +81,7 @@ The new installing rails sequence (for the beta) is:
 
 <shell>
 $ gem install rails --prerelease
-$ rails myapp
+$ rails new myapp
 $ cd myapp
 </shell>
 
@@ -98,13 +98,13 @@ h4. Living on the Edge
 If you want to bundle straight from the Git repository, you can pass the +--edge+ flag:
 
 <shell>
-$ rails myapp --edge
+$ rails new myapp --edge
 </shell>
 
 If you have a local checkout of the Rails repository and want to generate an application using that, you can pass the +--dev+ flag:
 
 <shell>
-$ ruby /path/to/rails/bin/rails myapp --dev
+$ ruby /path/to/rails/bin/rails new myapp --dev
 </shell>
 
 h3. Rails Architectural Changes
@@ -512,6 +512,7 @@ These are the main changes in Active Support:
 * Active Support no longer provides vendored versions of "TZInfo":http://tzinfo.rubyforge.org/, "Memcache Client":http://deveiate.org/projects/RMemCache/ and "Builder":http://builder.rubyforge.org/, these are all included as dependencies and installed via the <tt>bundle install</tt> command.
 * Safe buffers are implemented in <tt>ActiveSupport::SafeBuffer</tt>.
 * Added <tt>Array.uniq_by</tt> and <tt>Array.uniq_by!</tt>.
+* Removed <tt>Array#rand</tt> and backported <tt>Array#sample</tt> from Ruby 1.9.
 * Fixed bug on +TimeZone.seconds_to_utc_offset+ returning wrong value.
 * Added <tt>ActiveSupport::Notifications</tt> middleware.
 * <tt>ActiveSupport.use_standard_json_time_format</tt> now defaults to true.

railties/guides/source/active_support_core_extensions.textile

@@ -1927,13 +1927,21 @@ Similarly, +from+ returns the tail from the element at the passed index on:
 
 The methods +second+, +third+, +fourth+, and +fifth+ return the corresponding element (+first+ is builtin). Thanks to social wisdom and positive constructiveness all around, +forty_two+ is also available.
 
-You can pick a random element with +random_element+:
+NOTE: Defined in +active_support/core_ext/array/access.rb+.
+
+h4. Random Access
+
+Active Support backports +sample+ from Ruby 1.9:
 
 <ruby>
-shape_type = [Circle, Square, Triangle].random_element
+shape_type = [Circle, Square, Triangle].sample
+# => Square, for example
+
+shape_types = [Circle, Square, Triangle].sample(2)
+# => [Triangle, Circle], for example
 </ruby>
 
-NOTE: Defined in +active_support/core_ext/array/access.rb+.
+NOTE: Defined in +active_support/core_ext/array/random_access.rb+.
 
 h4. Options Extraction
 

railties/guides/source/generators.textile

@@ -20,7 +20,7 @@ h3. First contact
 When you create an application using the +rails+ command, you are in fact using a Rails generator. After that, you can get a list of all available generators by just invoking +rails generate+:
 
 <shell>
-$ rails myapp
+$ rails new myapp
 $ cd myapp
 $ rails generate
 </shell>
@@ -322,16 +322,12 @@ config.generators do |g|
   g.template_engine :erb
   g.test_framework  :shoulda, :fixture => false
   g.stylesheets     false
+
+  # Add a fallback!
+  g.fallbacks[:should] = :test_unit
 end
 </ruby>
 
-And at the end of the same file:
-
-<ruby>
-require 'rails/generators'
-Rails::Generators.fallbacks[:shoulda] = :test_unit
-</ruby>
-
 Now, if create a Comment scaffold, you will see that shoulda generators are being invoked, and at the end, they are just falling back to test unit generators:
 
 <shell>
@@ -361,7 +357,7 @@ $ rails generate scaffold Comment body:text
       create        test/unit/helpers/comments_helper_test.rb
 </shell>
 
-Such tool allows your generators to have single responsibility, increasing the code reuse and reducing the amount of code duplication.
+Such tool allows your generators to have single responsibility, increasing the code reuse and reducing the amount of duplication.
 
 h3. Changelog
 

railties/guides/source/getting_started.textile

@@ -160,7 +160,7 @@ The best way to use this guide is to follow each step as it happens, no code or
 To begin, open a terminal, navigate to a folder where you have rights to create files, and type:
 
 <shell>
-$ rails blog
+$ rails new blog
 </shell>
 
 This will create a Rails application called Blog in a directory called blog.

railties/guides/source/rails_application_templates.textile

@@ -14,13 +14,13 @@ h3. Usage
 To apply a template, you need to provide the Rails generator with the location of the template you wish to apply, using -m option :
 
 <shell>
-$ rails blog -m ~/template.rb
+$ rails new blog -m ~/template.rb
 </shell>
 
 It's also possible to apply a template using a URL :
 
 <shell>
-$ rails blog -m http://gist.github.com/31208.txt
+$ rails new blog -m http://gist.github.com/31208.txt
 </shell>
 
 Alternatively, you can use the rake task +rails:template+ to apply a template to an existing Rails application :

railties/lib/rails/commands.rb

@@ -38,6 +38,10 @@ when 'dbconsole'
 when 'application', 'runner'
   require "rails/commands/#{command}"
 
+when 'new'
+  puts "Can't initialize a new Rails application within the directory of another, please change to a non-Rails directory first.\n"
+  puts "Type 'rails' for help."
+
 when '--version', '-v'
   ARGV.unshift '--version'
   require 'rails/commands/application'
@@ -53,6 +57,8 @@ The most common rails commands are:
  server      Start the Rails server (short-cut alias: "s")
  dbconsole   Start a console for the database specified in config/database.yml
              (short-cut alias: "db")
+ new         Create a new Rails application. "rails new my_app" creates a
+             new application called MyApp in "./my_app"
 
 In addition to those, there are:
  application  Generate the Rails application code

railties/lib/rails/commands/application.rb

@@ -4,7 +4,12 @@ if %w(--version -v).include? ARGV.first
   exit(0)
 end
 
-ARGV << "--help"   if ARGV.empty?
+if ARGV.first != "new" || ARGV.empty?
+  ARGV[0] = "--help"
+else
+  ARGV.shift
+end
+
 require 'rubygems' if ARGV.include?("--dev")
 
 require 'rails/generators'

railties/lib/rails/commands/destroy.rb

@@ -1,4 +1,5 @@
 require 'rails/generators'
+Rails::Generators.configure!
 
 if [nil, "-h", "--help"].include?(ARGV.first)
   Rails::Generators.help 'destroy'

railties/lib/rails/commands/generate.rb

@@ -1,4 +1,5 @@
 require 'rails/generators'
+Rails::Generators.configure!
 
 if [nil, "-h", "--help"].include?(ARGV.first)
   Rails::Generators.help 'generate'

railties/lib/rails/generators.rb

@@ -68,6 +68,7 @@ module Rails
       options.deep_merge! config.options
       fallbacks.merge! config.fallbacks
       templates_path.concat config.templates
+      templates_path.uniq!
     end
 
     def self.templates_path
@@ -328,10 +329,5 @@ module Rails
         paths.uniq!
         paths
       end
-
   end
-end
-
-# If the application was already defined, configure generators,
-# otherwise you have to configure it by hand.
-Rails::Generators.configure! if Rails.respond_to?(:application) && Rails.application
+end

railties/lib/rails/generators/rails/app/USAGE

@@ -1,9 +1,9 @@
 Description:
-    The 'rails' command creates a new Rails application with a default
+    The 'rails new' command creates a new Rails application with a default
     directory structure and configuration at the path you specify.
 
 Example:
-    rails ~/Code/Ruby/weblog
+    rails new ~/Code/Ruby/weblog
 
     This generates a skeletal Rails installation in ~/Code/Ruby/weblog.
     See the README in the newly created application to get going.

railties/lib/rails/generators/rails/app/app_generator.rb

@@ -149,8 +149,7 @@ module Rails
     # can change in Ruby 1.8.7 when we FileUtils.cd.
     RAILS_DEV_PATH = File.expand_path("../../../../../..", File.dirname(__FILE__))
 
-    RESERVED_NAMES = %w[generate g console c server s dbconsole db
-                        application destroy benchmarker profiler
+    RESERVED_NAMES = %w[application destroy benchmarker profiler
                         plugin runner test]
 
     class AppGenerator < Base
@@ -310,7 +309,7 @@ module Rails
     protected
 
       def self.banner
-        "rails #{self.arguments.map(&:usage).join(' ')} [options]"
+        "rails new #{self.arguments.map(&:usage).join(' ')} [options]"
       end
 
       def builder

railties/lib/rails/generators/rails/app/templates/Gemfile

@@ -23,6 +23,9 @@ gem '<%= gem_for_database %>'<% if require_for_database %>, :require => '<%= req
 # Deploy with Capistrano
 # gem 'capistrano'
 
+# To use debugger
+# gem 'ruby-debug'
+
 # Bundle the extra gems:
 # gem 'bj'
 # gem 'nokogiri', '1.4.1'

railties/test/application/initializers/frameworks_test.rb

@@ -47,7 +47,7 @@ module ApplicationTests
     test "if there's no config.active_support.bare, all of ActiveSupport is required" do
       use_frameworks []
       require "#{app_path}/config/environment"
-      assert_nothing_raised { [1,2,3].random_element }
+      assert_nothing_raised { [1,2,3].sample }
     end
 
     test "config.active_support.bare does not require all of ActiveSupport" do
@@ -57,7 +57,7 @@ module ApplicationTests
 
       Dir.chdir("#{app_path}/app") do
         require "#{app_path}/config/environment"
-        assert_raises(NoMethodError) { [1,2,3].random_element }
+        assert_raises(NoMethodError) { [1,2,3].sample }
       end
     end
 

railties/test/generators/generators_test_helper.rb

@@ -1,4 +1,6 @@
 require 'abstract_unit'
+require 'rails/generators'
+require 'rails/generators/test_case'
 
 module Rails
   def self.root
@@ -8,8 +10,9 @@ end
 Rails.application.config.root = Rails.root
 Rails.application.config.generators.templates = [File.join(Rails.root, "lib", "templates")]
 
-require 'rails/generators'
-require 'rails/generators/test_case'
+# Call configure to load the settings from
+# Rails.application.config.generators to Rails::Generators
+Rails::Generators.configure!
 
 require 'active_record'
 require 'action_dispatch'