Add test_has_many_through_has_many_through_with_belongs_to_source_reflection (which already works)

2 files changed, 13 insertions, 1 deletions

diff --git a/activerecord/test/cases/associations/nested_has_many_through_associations_test.rb b/activerecord/test/cases/associations/nested_has_many_through_associations_test.rb
index 26c31ef761..7e1fc60cb9 100644
--- a/activerecord/test/cases/associations/nested_has_many_through_associations_test.rb
+++ b/activerecord/test/cases/associations/nested_has_many_through_associations_test.rb
@@ -198,9 +198,20 @@ class NestedHasManyThroughAssociationsTest < ActiveRecord::TestCase
     assert_equal [comments(:greetings), comments(:more_greetings)], comments[2].category_post_comments
   end
   
-  # TODO: has_many through
+  # has_many through
   # Source: belongs_to
   # Through: has_many through
+  def test_has_many_through_has_many_through_with_belongs_to_source_reflection
+    author = authors(:david)
+    assert_equal [tags(:general), tags(:general)], author.tagging_tags
+    
+    authors = Author.joins(:tagging_tags).where('tags.id' => tags(:general).id)
+    assert_equal [authors(:david)], authors.uniq
+    
+    # TODO: Make this work
+    # authors = Author.includes(:tagging_tags)
+    # assert_equal [tags(:general), tags(:general)], authors.first.tagging_tags
+  end
   
   # TODO: has_many through
   # Source: has_many through
diff --git a/activerecord/test/models/author.rb b/activerecord/test/models/author.rb
index f2f373af8c..b5f702018a 100644
--- a/activerecord/test/models/author.rb
+++ b/activerecord/test/models/author.rb
@@ -89,6 +89,7 @@ class Author < ActiveRecord::Base
   has_many :similar_posts,   :through => :tags,  :source => :tagged_posts
   has_many :distinct_tags,   :through => :posts, :source => :tags, :select => "DISTINCT tags.*", :order => "tags.name"
   has_many :post_categories, :through => :posts, :source => :categories
+  has_many :tagging_tags,    :through => :taggings, :source => :tag
 
   has_many :books
   has_many :subscriptions,        :through => :books