Added :application_prefix to url_for and friends that makes it easier to setup Rails in non-vhost environments #516 [Jamis Buck]

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@494 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

actionpack/CHANGELOG

@@ -1,5 +1,7 @@
 *SVN*
 
+* Added :application_prefix to url_for and friends that makes it easier to setup Rails in non-vhost environments #516 [Jamis Buck]
+
 * Added :encode option to mail_to that'll allow you to masquarede the email address behind javascript or hex encoding #494 [Lucas Carlson]
 
 * Fixed that the content-header was being set to application/octet_stream instead of application/octet-stream on send_date/file [Alexey]

actionpack/lib/action_controller/url_rewriter.rb

@@ -1,7 +1,7 @@
 module ActionController
   # Rewrites urls for Base.redirect_to and Base.url_for in the controller.
   class UrlRewriter #:nodoc:
-    VALID_OPTIONS = [:action, :action_prefix, :action_suffix, :module, :controller, :controller_prefix, :anchor, :params, :path_params, :id, :only_path, :overwrite_params, :host, :protocol ]
+    VALID_OPTIONS = [:action, :action_prefix, :action_suffix, :application_prefix, :module, :controller, :controller_prefix, :anchor, :params, :path_params, :id, :only_path, :overwrite_params, :host, :protocol ]
   
     def initialize(request, controller, action)
       @request, @controller, @action = request, controller, action
@@ -41,6 +41,7 @@ module ActionController
         rewritten_url << (options[:protocol] || @request.protocol) unless options[:only_path]
         rewritten_url << (options[:host] || @request.host_with_port) unless options[:only_path]
 
+	rewritten_url << options[:application_prefix] if options[:application_prefix]
         rewritten_url << path
         rewritten_url << build_query_string(new_parameters(options)) if options[:params] || options[:overwrite_params]
         rewritten_url << "##{options[:anchor]}" if options[:anchor]

actionpack/test/controller/url_test.rb

@@ -453,4 +453,25 @@ class UrlTest < Test::Unit::TestCase
       url.rewrite({ :controller => "msg", :action_prefix => "allous", :action => "new" })
     )
   end
+
+  def test_clean_application_prefix
+    assert_equal "http://www.singlefile.com/namespace/library/books/ISBN/0743536703/show",
+      @library_url.rewrite(:application_prefix => "/namespace")
+  end
+
+  def test_clean_application_prefix_with_controller_prefix
+    assert_equal "http://www.singlefile.com/namespace/shop/",
+      @library_url.rewrite(:application_prefix => "/namespace",
+                           :controller_prefix => "shop" )
+  end
+
+  def test_blank_application_prefix
+    assert_equal "http://www.singlefile.com/library/books/ISBN/0743536703/show",
+      @library_url.rewrite(:application_prefix => "")
+  end
+
+  def test_nil_application_prefix
+    assert_equal "http://www.singlefile.com/library/books/ISBN/0743536703/show",
+      @library_url.rewrite(:application_prefix => nil)
+  end
 end