verify :redirect_to => :back should redirect to the referrer. [#280 state:resolved]

Signed-off-by: Pratik Naik <pratiknaik@gmail.com>

actionpack/lib/action_controller/verification.rb

@@ -116,7 +116,7 @@ module ActionController #:nodoc:
     end
     
     def apply_redirect_to(redirect_to_option) # :nodoc:
-      redirect_to_option.is_a?(Symbol) ? self.send!(redirect_to_option) : redirect_to_option
+      (redirect_to_option.is_a?(Symbol) && redirect_to_option != :back) ? self.send!(redirect_to_option) : redirect_to_option
     end
     
     def apply_remaining_actions(options) # :nodoc:

actionpack/test/controller/verification_test.rb

@@ -39,6 +39,9 @@ class VerificationTest < Test::Unit::TestCase
 
     verify :only => :no_default_action, :params => "santa"
 
+    verify :only => :guarded_with_back, :method => :post,
+           :redirect_to => :back
+
     def guarded_one
       render :text => "#{params[:one]}"
     end
@@ -91,6 +94,10 @@ class VerificationTest < Test::Unit::TestCase
       render :text => "Was a post!"
     end
 
+    def guarded_with_back
+      render :text => "#{params[:one]}"
+    end
+
     def no_default_action
       # Will never run
     end
@@ -110,6 +117,16 @@ class VerificationTest < Test::Unit::TestCase
     ActionController::Routing::Routes.add_named_route :foo, '/foo', :controller => 'test', :action => 'foo'
   end
 
+  def test_using_symbol_back_with_no_referrer
+    assert_raise(ActionController::RedirectBackError) { get :guarded_with_back }
+  end
+
+  def test_using_symbol_back_redirects_to_referrer
+    @request.env["HTTP_REFERER"] = "/foo"
+    get :guarded_with_back
+    assert_redirected_to '/foo'
+  end
+
   def test_no_deprecation_warning_for_named_route
     assert_not_deprecated do
       get :guarded_one_for_named_route_test, :two => "not one"