Fixed that has_many :through associations should render as collections too...

Fixed that has_many :through associations should render as collections too (closes #9051) [mathie/danger]

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@8130 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

actionpack/CHANGELOG

 *SVN*
 
+* Fixed that has_many :through associations should render as collections too #9051 [mathie/danger]
+
 * Added :mouseover short-cut to AssetTagHelper#image_tag for doing easy image swaps #6893 [joost]
 
 * Fixed handling of non-domain hosts #9479 [purp]

actionpack/lib/action_view/partials.rb

@@ -119,7 +119,7 @@ def render_partial(partial_path, object_assigns = nil, local_assigns = nil) #:no
           else
             render("#{path}/_#{partial_name}", local_assigns)
           end
-        when Array, ActiveRecord::Associations::AssociationCollection
+        when Array, ActiveRecord::Associations::AssociationCollection, ActiveRecord::Associations::HasManyThroughAssociation
           if partial_path.any?
             path       = ActionController::RecordIdentifier.partial_path(partial_path.first)
             collection = partial_path

actionpack/test/activerecord/render_partial_with_record_identification_test.rb

@@ -14,6 +14,11 @@ def render_with_has_many_association
       render :partial => @topic.replies
     end
     
+    def render_with_has_many_through_association
+      @developer = Developer.find(:first)
+      render :partial => @developer.topics
+    end
+    
     def render_with_belongs_to_association
       @reply = Reply.find(1)
       render :partial => @reply.topic
@@ -47,6 +52,11 @@ def test_rendering_partial_with_has_many_association
     assert_template 'replies/_reply'
   end
   
+  def test_rendering_partial_with_has_many_association
+    get :render_with_has_many_through_association
+    assert_template 'topics/_topic'
+  end
+  
   def test_rendering_partial_with_belongs_to_association
     get :render_with_belongs_to_association
     assert_template 'topics/_topic'

actionpack/test/fixtures/db_definitions/sqlite.sql

@@ -9,7 +9,8 @@ CREATE TABLE 'replies' (
   'content' text, 
   'created_at' datetime, 
   'updated_at' datetime, 
-  'topic_id' integer
+  'topic_id' integer,
+  'developer_id' integer
 );
 
 CREATE TABLE 'topics' (

actionpack/test/fixtures/developer.rb

 class Developer < ActiveRecord::Base
   has_and_belongs_to_many :projects
+  has_many :replies
+  has_many :topics, :through => :replies
 end
 
 class DeVeLoPeR < ActiveRecord::Base

actionpack/test/fixtures/replies.yml

 witty_retort:
   id: 1
   topic_id: 1
+  developer_id: 1
   content: Birdman is better!
   created_at: <%= 6.hours.ago.to_s(:db) %>
   updated_at: nil
@@ -8,6 +9,7 @@ witty_retort:
 another:
   id: 2
   topic_id: 2
+  developer_id: 1
   content: Nuh uh!
   created_at: <%= 1.hour.ago.to_s(:db) %>
   updated_at: nil
\ No newline at end of file

actionpack/test/fixtures/reply.rb

 class Reply < ActiveRecord::Base
   belongs_to :topic, :include => [:replies]
-  
+  belongs_to :developer
+
   validates_presence_of :content
 end