Add ActiveRecord::Relation#references (#950)

1 files changed, 14 insertions, 1 deletions

diff --git a/activerecord/test/cases/relation_test.rb b/activerecord/test/cases/relation_test.rb
index 7a75a8436b..5a6a3b81de 100644
--- a/activerecord/test/cases/relation_test.rb
+++ b/activerecord/test/cases/relation_test.rb
@@ -44,7 +44,7 @@ module ActiveRecord
     end
 
     def test_multi_value_methods
-      assert_equal [:select, :group, :order, :joins, :where, :having, :bind].map(&:to_s).sort,
+      assert_equal [:select, :group, :order, :joins, :where, :having, :bind, :references].map(&:to_s).sort,
         Relation::MULTI_VALUE_METHODS.map(&:to_s).sort
     end
 
@@ -135,5 +135,18 @@ module ActiveRecord
       relation.eager_load_values << :b
       assert relation.eager_loading?
     end
+
+    def test_references_values
+      relation = Relation.new :a, :b
+      assert_equal [], relation.references_values
+      relation = relation.references(:foo).references(:omg, :lol)
+      assert_equal [:foo, :omg, :lol], relation.references_values
+    end
+
+    def test_references_values_dont_duplicate
+      relation = Relation.new :a, :b
+      relation = relation.references(:foo).references(:foo)
+      assert_equal [:foo], relation.references_values
+    end
   end
 end