Update UrlWriter to accept :anchor parameter. Closes #6771.

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@6648 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

actionpack/CHANGELOG

@@ -1,5 +1,7 @@
 *SVN*
 
+* Update UrlWriter to accept :anchor parameter. Closes #6771. [octopod]
+
 * Added RecordTagHelper for using RecordIdentifier conventions on divs and other container elements [DHH]. Example:
 
     <% div_for(post) do %>     <div id="post_45" class="post">

actionpack/lib/action_controller/url_rewriter.rb

@@ -51,7 +51,9 @@ module ActionController
         [:protocol, :host, :port].each { |k| options.delete k }
       end
 
+      anchor = "##{CGI.escape options.delete(:anchor).to_param.to_s}" if options.key?(:anchor)
       url << Routing::Routes.generate(options, {})
+      url << anchor if anchor
 
       return url
     end    

actionpack/test/controller/url_rewriter_test.rb

@@ -36,6 +36,13 @@ class UrlRewriterTests < Test::Unit::TestCase
       @rewriter.rewrite(:user => "openid.aol.com/nextangler", :password => "one two?", :controller => 'c', :action => 'a', :id => 'i')
     )
   end
+  
+  def test_anchor 
+    assert_equal( 
+      'http://test.host/c/a/i#anchor', 
+      @rewriter.rewrite(:controller => 'c', :action => 'a', :id => 'i', :anchor => 'anchor') 
+    ) 
+  end
 
   def test_overwrite_params
     @params[:controller] = 'hi'
@@ -77,6 +84,12 @@ class UrlWriterTests < Test::Unit::TestCase
       W.new.url_for :controller => 'c', :action => 'a', :id => 'i'
     end
   end
+
+  def test_anchor
+    assert_equal('/c/a#anchor',
+      W.new.url_for(:only_path => true, :controller => 'c', :action => 'a', :anchor => 'anchor')
+    )
+  end
   
   def test_default_host
     add_host!