From 7f55931f80162937b344eb200ca62f2d58c6c59d Mon Sep 17 00:00:00 2001
From: David Heinemeier Hansson <david@loudthinking.com>
Date: Wed, 21 Feb 2007 15:28:37 +0000
Subject: Make sure that the filesystem is not involved with asset hosting

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@6187 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
---
 .../lib/action_view/helpers/asset_tag_helper.rb    | 27 +++++++++++++++-------
 actionpack/test/template/asset_tag_helper_test.rb  | 11 +++++----
 2 files changed, 26 insertions(+), 12 deletions(-)

(limited to 'actionpack')

diff --git a/actionpack/lib/action_view/helpers/asset_tag_helper.rb b/actionpack/lib/action_view/helpers/asset_tag_helper.rb
index e72e23b20b..9d98ebefdf 100644
--- a/actionpack/lib/action_view/helpers/asset_tag_helper.rb
+++ b/actionpack/lib/action_view/helpers/asset_tag_helper.rb
@@ -148,7 +148,10 @@ module ActionView
 
           if !File.exists?(joined_javascript_path)
             File.open(joined_javascript_path, "w+") do |cache|
-              javascript_paths = expand_javascript_sources(sources).collect { |source| javascript_path(source) }
+              javascript_paths = expand_javascript_sources(sources).collect do |source|
+                compute_public_path(source, 'javascripts', 'js', false) 
+              end
+
               cache.write(join_asset_file_contents(javascript_paths))
             end
           end
@@ -240,7 +243,10 @@ module ActionView
 
           if !File.exists?(joined_stylesheet_path)
             File.open(joined_stylesheet_path, "w+") do |cache|
-              stylesheet_paths = expand_stylesheet_sources(sources).collect { |source| stylesheet_path(source) }
+              stylesheet_paths = expand_stylesheet_sources(sources).collect do |source|
+                compute_public_path(source, 'stylesheets', 'css', false) 
+              end
+
               cache.write(join_asset_file_contents(stylesheet_paths))
             end
           end
@@ -318,7 +324,7 @@ module ActionView
         # roots. Rewrite the asset path for cache-busting asset ids. Include
         # a single or wildcarded asset host, if configured, with the correct
         # request protocol.
-        def compute_public_path(source, dir, ext)
+        def compute_public_path(source, dir, ext, include_host = true)
           source += ".#{ext}" if File.extname(source).blank?
 
           if source =~ %r{^[-a-z]+://}
@@ -328,12 +334,17 @@ module ActionView
             source = "#{@controller.request.relative_url_root}#{source}"
             rewrite_asset_path!(source)
 
-            host = compute_asset_host(source)
-            unless host.blank? or host =~ %r{^[-a-z]+://}
-              host = "#{@controller.request.protocol}#{host}"
-            end
+            if include_host
+              host = compute_asset_host(source)
 
-            "#{host}#{source}"
+              unless host.blank? or host =~ %r{^[-a-z]+://}
+                host = "#{@controller.request.protocol}#{host}"
+              end
+
+              "#{host}#{source}"
+            else
+              source
+            end
           end
         end
 
diff --git a/actionpack/test/template/asset_tag_helper_test.rb b/actionpack/test/template/asset_tag_helper_test.rb
index 8b8a426bf6..47a27e6e5d 100644
--- a/actionpack/test/template/asset_tag_helper_test.rb
+++ b/actionpack/test/template/asset_tag_helper_test.rb
@@ -42,6 +42,7 @@ class AssetTagHelperTest < Test::Unit::TestCase
 
   def teardown
     ActionController::Base.perform_caching = false
+    ActionController::Base.asset_host = nil
     ENV["RAILS_ASSET_ID"] = nil
   end
 
@@ -194,17 +195,18 @@ class AssetTagHelperTest < Test::Unit::TestCase
 
   def test_caching_javascript_include_tag_when_caching_on
     ENV["RAILS_ASSET_ID"] = ""
+    ActionController::Base.asset_host = 'http://a%d.example.com'
     ActionController::Base.perform_caching = true
     
     assert_dom_equal(
-      %(<script src="/javascripts/all.js" type="text/javascript"></script>),
+      %(<script src="http://a0.example.com/javascripts/all.js" type="text/javascript"></script>),
       javascript_include_tag(:all, :cache => true)
     )
 
     assert File.exists?(File.join(ActionView::Helpers::AssetTagHelper::JAVASCRIPTS_DIR, 'all.js'))
     
     assert_dom_equal(
-      %(<script src="/javascripts/money.js" type="text/javascript"></script>),
+      %(<script src="http://a2.example.com/javascripts/money.js" type="text/javascript"></script>),
       javascript_include_tag(:all, :cache => "money")
     )
 
@@ -235,17 +237,18 @@ class AssetTagHelperTest < Test::Unit::TestCase
 
   def test_caching_stylesheet_link_tag_when_caching_on
     ENV["RAILS_ASSET_ID"] = ""
+    ActionController::Base.asset_host = 'http://a%d.example.com'
     ActionController::Base.perform_caching = true
     
     assert_dom_equal(
-      %(<link href="/stylesheets/all.css" media="screen" rel="Stylesheet" type="text/css" />),
+      %(<link href="http://a3.example.com/stylesheets/all.css" media="screen" rel="Stylesheet" type="text/css" />),
       stylesheet_link_tag(:all, :cache => true)
     )
 
     assert File.exists?(File.join(ActionView::Helpers::AssetTagHelper::STYLESHEETS_DIR, 'all.css'))
 
     assert_dom_equal(
-      %(<link href="/stylesheets/money.css" media="screen" rel="Stylesheet" type="text/css" />),
+      %(<link href="http://a3.example.com/stylesheets/money.css" media="screen" rel="Stylesheet" type="text/css" />),
       stylesheet_link_tag(:all, :cache => "money")
     )
 
-- 
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