Fix routing to correctly determine when generation fails. Closes #6300.

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@5314 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

actionpack/CHANGELOG

@@ -1,5 +1,7 @@
 *SVN*
 
+* Fix routing to correctly determine when generation fails. Closes #6300. [psross].
+
 * Fix broken assert_generates when extra keys are being checked. [Jamis Buck]
 
 * Replace KCODE checks with String#chars for truncate.  Closes #6385 [Manfred Stienstra]

actionpack/lib/action_controller/routing.rb

@@ -1229,7 +1229,7 @@ module ActionController
 
           routes.each do |route|
             results = route.send(method, options, merged, expire_on)
-            return results if results
+            return results if results && (!results.is_a?(Array) || results.first)
           end
         end
     

actionpack/test/controller/routing_test.rb

@@ -1253,6 +1253,33 @@ class RouteSetTest < Test::Unit::TestCase
     extras = set.extra_keys(:controller => "foo", :action => "bar", :id => 15, :this => "hello", :that => "world")
     assert_equal %w(that this), extras.map(&:to_s).sort
   end
+  
+  def test_generate_extras_not_first
+    set.draw do |map| 
+      map.connect ':controller/:action/:id.:format'
+      map.connect ':controller/:action/:id'
+    end    
+    path, extras = set.generate_extras(:controller => "foo", :action => "bar", :id => 15, :this => "hello", :that => "world")
+    assert_equal "/foo/bar/15", path
+    assert_equal %w(that this), extras.map(&:to_s).sort
+  end
+  
+  def test_generate_not_first
+    set.draw do |map| 
+      map.connect ':controller/:action/:id.:format'
+      map.connect ':controller/:action/:id'
+    end    
+    assert_equal "/foo/bar/15?this=hello", set.generate(:controller => "foo", :action => "bar", :id => 15, :this => "hello")
+  end
+  
+  def test_extra_keys_not_first
+    set.draw do |map| 
+      map.connect ':controller/:action/:id.:format'
+      map.connect ':controller/:action/:id'
+    end
+    extras = set.extra_keys(:controller => "foo", :action => "bar", :id => 15, :this => "hello", :that => "world")
+    assert_equal %w(that this), extras.map(&:to_s).sort
+  end   
 
   def test_draw
     assert_equal 0, set.routes.size