From 0886bb391d97ec96d3028d5cac93ce2f7f8467e6 Mon Sep 17 00:00:00 2001
From: Sam Stephenson <sam@37signals.com>
Date: Mon, 10 Oct 2005 20:35:13 +0000
Subject: [PATCH] Fixed that an instance variable with the same name as a
 partial should be implicitly passed as the partial :object. Closes #2269.

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@2522 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
---
 actionpack/CHANGELOG                          |  2 ++
 actionpack/lib/action_view/partials.rb        |  7 ++++++-
 actionpack/test/controller/new_render_test.rb | 10 ++++++++++
 3 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/actionpack/CHANGELOG b/actionpack/CHANGELOG
index c7fdff5cd3..7ff6276841 100644
--- a/actionpack/CHANGELOG
+++ b/actionpack/CHANGELOG
@@ -1,5 +1,7 @@
 *SVN*
 
+* Fixed that an instance variable with the same name as a partial should be implicitly passed as the partial :object #2269 [court3nay]
+
 * Update Prototype to V1.4.0_pre11, script.aculo.us to [2502] [Thomas Fuchs]
 
 * Make assert_tag :children count appropriately. Closes #2181. [jamie@bravenet.com]
diff --git a/actionpack/lib/action_view/partials.rb b/actionpack/lib/action_view/partials.rb
index 998956979d..21292161ea 100644
--- a/actionpack/lib/action_view/partials.rb
+++ b/actionpack/lib/action_view/partials.rb
@@ -52,7 +52,7 @@ module ActionView
       local_assigns = extract_local_assigns(local_assigns, deprecated_local_assigns)
       local_assigns = local_assigns ? local_assigns.clone : {}
       add_counter_to_local_assigns!(partial_name, local_assigns)
-      local_assigns[partial_name.intern] ||= object.is_a?(ActionView::Base::ObjectWrapper) ? object.value : object
+      add_object_to_local_assigns!(partial_name, local_assigns, object)
 
       ActionController::Base.benchmark("Rendered #{path}/_#{partial_name}", Logger::DEBUG, false) do
         render("#{path}/_#{partial_name}", local_assigns)
@@ -111,5 +111,10 @@ module ActionView
         counter_name = partial_counter_name(partial_name)
         local_assigns[counter_name] = 1 unless local_assigns.has_key?(counter_name)
       end
+      
+      def add_object_to_local_assigns!(partial_name, local_assigns, object)
+        local_assigns[partial_name.intern] ||= object.is_a?(ActionView::Base::ObjectWrapper) ? object.value : object
+        local_assigns[partial_name.intern] ||= controller.instance_variable_get("@#{partial_name}")
+      end
   end
 end
diff --git a/actionpack/test/controller/new_render_test.rb b/actionpack/test/controller/new_render_test.rb
index a1af0a0091..24c3a0e765 100644
--- a/actionpack/test/controller/new_render_test.rb
+++ b/actionpack/test/controller/new_render_test.rb
@@ -106,6 +106,11 @@ class NewRenderTestController < ActionController::Base
     render :partial => "hash_object", :object => {:first_name => "Sam"}
   end
 
+  def partial_with_implicit_local_assignment
+    @customer = Customer.new("Marcel")
+    render :partial => "customer"
+  end
+  
   def hello_in_a_string
     @customers = [ Customer.new("david"), Customer.new("mary") ]
     render :text =>  "How's there? #{render_to_string("test/list")}"
@@ -380,6 +385,11 @@ class NewRenderTest < Test::Unit::TestCase
     assert_equal "Sam", @response.body
   end
 
+  def test_partial_with_implicit_local_assignment
+    get :partial_with_implicit_local_assignment
+    assert_equal "Hello: Marcel", @response.body
+  end
+  
   def test_render_text_with_assigns
     get :render_text_with_assigns
     assert_equal "world", assigns["hello"]