From 351331fb343cdf17baa078943898ded6caff9d65 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Guillermo=20=C3=81lvarez?= <guillermo@cientifico.net>
Date: Thu, 3 Feb 2011 00:26:39 +0100
Subject: Make serialized columns with explicit object_type return a new
 instance of the object instead of nil

---
 activerecord/test/cases/base_test.rb               | 19 +++++++++++++++++++
 activerecord/test/cases/coders/yaml_column_test.rb |  5 +++--
 2 files changed, 22 insertions(+), 2 deletions(-)

(limited to 'activerecord/test')

diff --git a/activerecord/test/cases/base_test.rb b/activerecord/test/cases/base_test.rb
index 5cbc52732b..a255c07957 100644
--- a/activerecord/test/cases/base_test.rb
+++ b/activerecord/test/cases/base_test.rb
@@ -1002,6 +1002,25 @@ class BasicsTest < ActiveRecord::TestCase
     Topic.serialize(:content)
   end
 
+  def test_serialized_default_class
+    Topic.serialize(:content, Hash)
+    topic = Topic.new
+    assert_equal Hash, topic.content.class
+    assert_equal Hash, topic.read_attribute(:content).class
+    topic.content["beer"] = "MadridRb"
+    assert topic.save
+    topic.reload
+    assert_equal Hash, topic.content.class
+    assert_equal "MadridRb", topic.content["beer"]
+  ensure
+    Topic.serialize(:content)
+  end
+
+  def test_serialized_no_default_class_for_object
+    topic = Topic.new
+    assert_nil topic.content
+  end
+
   def test_serialized_boolean_value_true
     Topic.serialize(:content)
     topic = Topic.new(:content => true)
diff --git a/activerecord/test/cases/coders/yaml_column_test.rb b/activerecord/test/cases/coders/yaml_column_test.rb
index f85f11b57f..c7dcc21809 100644
--- a/activerecord/test/cases/coders/yaml_column_test.rb
+++ b/activerecord/test/cases/coders/yaml_column_test.rb
@@ -1,3 +1,4 @@
+
 require "cases/helper"
 
 module ActiveRecord
@@ -20,9 +21,9 @@ module ActiveRecord
         assert_nil coder.load "--- "
       end
 
-      def test_nil_is_ok_with_different_class
+      def test_returns_new_with_different_class
         coder = YAMLColumn.new SerializationTypeMismatch
-        assert_nil coder.load "--- "
+        assert_equal SerializationTypeMismatch, coder.load("--- ").class
       end
 
       def test_returns_string_unless_starts_with_dash
-- 
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