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-rw-r--r--activerecord/lib/active_record/coders/yaml_column.rb2
-rw-r--r--activerecord/test/cases/base_test.rb15
2 files changed, 15 insertions, 2 deletions
diff --git a/activerecord/lib/active_record/coders/yaml_column.rb b/activerecord/lib/active_record/coders/yaml_column.rb
index fb59d9fb07..77af540c3e 100644
--- a/activerecord/lib/active_record/coders/yaml_column.rb
+++ b/activerecord/lib/active_record/coders/yaml_column.rb
@@ -15,7 +15,7 @@ module ActiveRecord
end
def dump(obj)
- YAML.dump obj
+ YAML.dump(obj) unless obj.nil?
end
def load(yaml)
diff --git a/activerecord/test/cases/base_test.rb b/activerecord/test/cases/base_test.rb
index 6c3e4fc6d0..d70525b57d 100644
--- a/activerecord/test/cases/base_test.rb
+++ b/activerecord/test/cases/base_test.rb
@@ -1301,11 +1301,24 @@ class BasicsTest < ActiveRecord::TestCase
assert_equal(myobj, topic.content)
end
- def test_nil_serialized_attribute_with_class_constraint
+ def test_nil_serialized_attribute_without_class_constraint
topic = Topic.new
assert_nil topic.content
end
+ def test_nil_not_serialized_without_class_constraint
+ assert Topic.new(:content => nil).save
+ assert_equal 1, Topic.where(:content => nil).count
+ end
+
+ def test_nil_not_serialized_with_class_constraint
+ Topic.serialize :content, Hash
+ assert Topic.new(:content => nil).save
+ assert_equal 1, Topic.where(:content => nil).count
+ ensure
+ Topic.serialize(:content)
+ end
+
def test_should_raise_exception_on_serialized_attribute_with_type_mismatch
myobj = MyObject.new('value1', 'value2')
topic = Topic.new(:content => myobj)