From ce426ef811999a9d839486e516d1c48ef20659f7 Mon Sep 17 00:00:00 2001
From: James MacAulay <james@shopify.com>
Date: Thu, 30 Sep 2010 15:21:29 -0400
Subject: [PATCH] fix rendering a partial with an array as its :object [#5746 state:resolved]

---
 actionpack/lib/action_view/render/partials.rb      |   10 +++++++---
 .../test/fixtures/test/_object_inspector.erb       |    1 +
 actionpack/test/template/render_test.rb            |    4 ++++
 3 files changed, 12 insertions(+), 3 deletions(-)
 create mode 100644 actionpack/test/fixtures/test/_object_inspector.erb

diff --git a/actionpack/lib/action_view/render/partials.rb b/actionpack/lib/action_view/render/partials.rb
index cc9b444..bcb4d91 100644
--- a/actionpack/lib/action_view/render/partials.rb
+++ b/actionpack/lib/action_view/render/partials.rb
@@ -236,7 +236,7 @@ module ActionView
         else
           @object = partial
 
-          if @collection = collection
+          if @collection = collection_from_object || collection
             paths = @collection_paths = @collection.map { |o| partial_path(o) }
             @path = paths.uniq.size == 1 ? paths.first : nil
           else
@@ -335,10 +335,14 @@ module ActionView
     private
 
       def collection
+        if @options.key?(:collection)
+          @options[:collection] || []
+        end
+      end
+
+      def collection_from_object
         if @object.respond_to?(:to_ary)
           @object
-        elsif @options.key?(:collection)
-          @options[:collection] || []
         end
       end
 
diff --git a/actionpack/test/fixtures/test/_object_inspector.erb b/actionpack/test/fixtures/test/_object_inspector.erb
new file mode 100644
index 0000000..53af593
--- /dev/null
+++ b/actionpack/test/fixtures/test/_object_inspector.erb
@@ -0,0 +1 @@
+<%= object_inspector.inspect -%>
\ No newline at end of file
diff --git a/actionpack/test/template/render_test.rb b/actionpack/test/template/render_test.rb
index 205fdcf..756d8d0 100644
--- a/actionpack/test/template/render_test.rb
+++ b/actionpack/test/template/render_test.rb
@@ -127,6 +127,10 @@ module RenderTestCases
     assert_equal "Hello: david", @view.render(:partial => "test/customer", :object => Customer.new("david"))
   end
 
+  def test_render_object_with_array
+    assert_equal "[1, 2, 3]", @view.render(:partial => "test/object_inspector", :object => [1, 2, 3])
+  end
+
   def test_render_partial_collection
     assert_equal "Hello: davidHello: mary", @view.render(:partial => "test/customer", :collection => [ Customer.new("david"), Customer.new("mary") ])
   end
-- 
1.7.1