Make sure that Paperclip is working well with Rails 3.1.0.rc1

test/helper.rb

@@ -67,6 +67,7 @@ end
 
 def rebuild_model options = {}
   ActiveRecord::Base.connection.create_table :dummies, :force => true do |table|
+    table.column :title, :string
     table.column :other, :string
     table.column :avatar_file_name, :string
     table.column :avatar_content_type, :string
@@ -85,6 +86,7 @@ def rebuild_class options = {}
     include Paperclip::Glue
     has_attached_file :avatar, options
   end
+  Dummy.reset_column_information
 end
 
 class FakeModel

test/paperclip_test.rb

@@ -193,7 +193,7 @@ class PaperclipTest < Test::Unit::TestCase
             @dummy.valid?
           end
           should "not have an error when assigned a valid file" do
-            assert_equal 0, @dummy.errors.length, @dummy.errors.full_messages.join(", ")
+            assert_equal 0, @dummy.errors.size, @dummy.errors.full_messages.join(", ")
           end
         end
         context "and assigned an invalid file" do
@@ -202,7 +202,7 @@ class PaperclipTest < Test::Unit::TestCase
             @dummy.valid?
           end
           should "have an error when assigned a valid file" do
-            assert @dummy.errors.length > 0
+            assert @dummy.errors.size > 0
           end
         end
       end