From ab7ae689e9727781ef39b01a836a746ac75352fc Mon Sep 17 00:00:00 2001
From: Guillermo Iguaran <guilleiguaran@gmail.com>
Date: Tue, 11 Sep 2012 01:08:40 -0500
Subject: [PATCH] Add .rb template handler

This handler simply allows arbitrary Ruby code as a template
---
 actionpack/CHANGELOG.md                         | 2 ++
 actionpack/lib/action_view/template/handlers.rb | 1 +
 actionpack/test/fixtures/ruby_template.rb       | 3 +++
 actionpack/test/template/render_test.rb         | 8 ++++++++
 4 files changed, 14 insertions(+)
 create mode 100644 actionpack/test/fixtures/ruby_template.rb

diff --git a/actionpack/CHANGELOG.md b/actionpack/CHANGELOG.md
index 8c7089cf57..36e8479441 100644
--- a/actionpack/CHANGELOG.md
+++ b/actionpack/CHANGELOG.md
@@ -1,5 +1,7 @@
 ## Rails 4.0.0 (unreleased) ##
 
+*   Add .rb template handler, this handler simply allows arbitrary Ruby code as a template. *Guillermo Iguaran*
+
 *   Add `separator` option for `ActionView::Helpers::TextHelper#excerpt`:
 
         excerpt('This is a very beautiful morning', 'very', :separator  => ' ', :radius => 1)
diff --git a/actionpack/lib/action_view/template/handlers.rb b/actionpack/lib/action_view/template/handlers.rb
index 41b14373a3..52e032bbd8 100644
--- a/actionpack/lib/action_view/template/handlers.rb
+++ b/actionpack/lib/action_view/template/handlers.rb
@@ -10,6 +10,7 @@ module ActionView #:nodoc:
         base.register_default_template_handler :erb, ERB.new
         base.register_template_handler :builder, Builder.new
         base.register_template_handler :raw, Raw.new
+        base.register_template_handler :rb, :source.to_proc
       end
 
       @@template_handlers = {}
diff --git a/actionpack/test/fixtures/ruby_template.rb b/actionpack/test/fixtures/ruby_template.rb
new file mode 100644
index 0000000000..d99833a24d
--- /dev/null
+++ b/actionpack/test/fixtures/ruby_template.rb
@@ -0,0 +1,3 @@
+body = ""
+body << ["Hello", "from", "Ruby", "code"].join(" ")
+body
diff --git a/actionpack/test/template/render_test.rb b/actionpack/test/template/render_test.rb
index b26354e7cc..6279abaae5 100644
--- a/actionpack/test/template/render_test.rb
+++ b/actionpack/test/template/render_test.rb
@@ -97,6 +97,14 @@ module RenderTestCases
     assert_equal %q;Here are some characters: !@#$%^&*()-="'}{`; + "\n", @view.render(:template => "plain_text_with_characters")
   end
 
+  def test_render_rb_template_with_handlers
+    assert_equal "Hello from Ruby code", @view.render(:template => "ruby_template")
+  end
+
+  def test_render_rb_template_inline
+    assert_equal '4', @view.render(:inline => "(2**2).to_s", :type => :rb)
+  end
+
   def test_render_file_with_localization_on_context_level
     old_locale, @view.locale = @view.locale, :da
     assert_equal "Hey verden", @view.render(:file => "test/hello_world")