Fix :include of has_many associations with :primary_key option

1 files changed, 17 insertions, 0 deletions

diff --git a/activerecord/test/cases/associations/eager_test.rb b/activerecord/test/cases/associations/eager_test.rb
index afbd9fddf9..ff3d6ece05 100644
--- a/activerecord/test/cases/associations/eager_test.rb
+++ b/activerecord/test/cases/associations/eager_test.rb
@@ -786,4 +786,21 @@ class EagerAssociationTest < ActiveRecord::TestCase
       assert_equal Person.find(person.id).agents, person.agents
     end
   end
+
+  def test_preload_has_many_using_primary_key
+    expected = Firm.find(:first).clients_using_primary_key.to_a
+    firm = Firm.find :first, :include => :clients_using_primary_key
+    assert_no_queries do
+      assert_equal expected, firm.clients_using_primary_key
+    end
+  end
+
+  def test_include_has_many_using_primary_key
+    expected = Firm.find(1).clients_using_primary_key.sort_by &:name
+    firm = Firm.find 1, :include => :clients_using_primary_key, :order => 'clients_using_primary_keys_companies.name'
+    assert_no_queries do
+      assert_equal expected, firm.clients_using_primary_key
+    end
+  end
+  
 end