1 files changed, 25 insertions, 5 deletions
diff --git a/activerecord/test/cases/associations/has_many_through_associations_test.rb b/activerecord/test/cases/associations/has_many_through_associations_test.rb
index efdecd4b09..9adaebe924 100644
--- a/activerecord/test/cases/associations/has_many_through_associations_test.rb
+++ b/activerecord/test/cases/associations/has_many_through_associations_test.rb
@@ -17,9 +17,10 @@ require 'models/developer'
 require 'models/subscriber'
 require 'models/book'
 require 'models/subscription'
-require 'models/categorization'
-require 'models/category'
 require 'models/essay'
+require 'models/category'
+require 'models/owner'
+require 'models/categorization'
 require 'models/member'
 require 'models/membership'
 require 'models/club'
@@ -27,7 +28,7 @@ require 'models/club'
 class HasManyThroughAssociationsTest < ActiveRecord::TestCase
   fixtures :posts, :readers, :people, :comments, :authors, :categories, :taggings, :tags,
            :owners, :pets, :toys, :jobs, :references, :companies, :members, :author_addresses,
-           :subscribers, :books, :subscriptions, :developers, :categorizations
+           :subscribers, :books, :subscriptions, :developers, :categorizations, :essays
 
   # Dummies to force column loads so query counts are clean.
   def setup
@@ -656,6 +657,25 @@ class HasManyThroughAssociationsTest < ActiveRecord::TestCase
     assert author.comments.include?(comment)
   end
 
+  def test_has_many_through_polymorphic_with_primary_key_option
+    assert_equal [categories(:general)], authors(:david).essay_categories
+
+    authors = Author.joins(:essay_categories).where('categories.id' => categories(:general).id)
+    assert_equal authors(:david), authors.first
+
+    assert_equal [owners(:blackbeard)], authors(:david).essay_owners
+
+    authors = Author.joins(:essay_owners).where("owners.name = 'blackbeard'")
+    assert_equal authors(:david), authors.first
+  end
+
+  def test_has_many_through_with_primary_key_option
+    assert_equal [categories(:general)], authors(:david).essay_categories_2
+
+    authors = Author.joins(:essay_categories_2).where('categories.id' => categories(:general).id)
+    assert_equal authors(:david), authors.first
+  end
+
   def test_size_of_through_association_should_increase_correctly_when_has_many_association_is_added
     post = posts(:thinking)
     readers = post.readers.size
@@ -679,10 +699,10 @@ class HasManyThroughAssociationsTest < ActiveRecord::TestCase
   end
 
   def test_joining_has_many_through_belongs_to
-    posts = Post.joins(:author_categorizations).
+    posts = Post.joins(:author_categorizations).order('posts.id').
                  where('categorizations.id' => categorizations(:mary_thinking_sti).id)
 
-    assert_equal [posts(:eager_other)], posts
+    assert_equal [posts(:eager_other), posts(:misc_by_mary), posts(:other_by_mary)], posts
   end
 
   def test_select_chosen_fields_only