learn ActiveRecord::QueryMethods#order work with hash arguments

1 files changed, 16 insertions, 0 deletions

diff --git a/activerecord/test/cases/relations_test.rb b/activerecord/test/cases/relations_test.rb
index d801770118..fdbc0a3fdb 100644
--- a/activerecord/test/cases/relations_test.rb
+++ b/activerecord/test/cases/relations_test.rb
@@ -157,6 +157,22 @@ class RelationTest < ActiveRecord::TestCase
     assert_equal 4, topics.to_a.size
     assert_equal topics(:first).title, topics.first.title
   end
+  
+  def test_finding_with_assoc_order
+    topics = Topic.order(:id => :desc)
+    assert_equal 4, topics.to_a.size
+    assert_equal topics(:fourth).title, topics.first.title
+  end
+  
+  def test_finding_with_reverted_assoc_order
+    topics = Topic.order(:id => :asc).reverse_order
+    assert_equal 4, topics.to_a.size
+    assert_equal topics(:fourth).title, topics.first.title
+  end
+  
+  def test_raising_exception_on_invalid_hash_params
+    assert_raise(ArgumentError) { Topic.order(:name, "id DESC", :id => :DeSc) }
+  end
 
   def test_finding_last_with_arel_order
     topics = Topic.order(Topic.arel_table[:id].asc)