1 files changed, 31 insertions, 1 deletions
diff --git a/activemodel/test/cases/serialization_test.rb b/activemodel/test/cases/serialization_test.rb
index 5122f08eec..b8dad9d51f 100644
--- a/activemodel/test/cases/serialization_test.rb
+++ b/activemodel/test/cases/serialization_test.rb
@@ -77,6 +77,15 @@ class SerializationTest < ActiveModel::TestCase
     assert_equal expected , @user.serializable_hash(:methods => [:bar])
   end
 
+  def test_should_use_read_attribute_for_serialization
+    def @user.read_attribute_for_serialization(n)
+      "Jon"
+    end
+
+    expected = { "name" => "Jon" }
+    assert_equal expected, @user.serializable_hash(:only => :name)
+  end
+
   def test_include_option_with_singular_association
     expected =  {"name"=>"David", "gender"=>"male", "email"=>"david@example.com",
                  :address=>{"street"=>"123 Lane", "city"=>"Springfield", "state"=>"CA", "zip"=>11111}}
@@ -114,8 +123,29 @@ class SerializationTest < ActiveModel::TestCase
     @user.friends.first.friends = [@user]
     expected =  {"email"=>"david@example.com", "gender"=>"male", "name"=>"David",
                  :friends=>[{"name"=>'Joe', "email"=>'joe@example.com', "gender"=>'male',
-                             :friends => ["email"=>"david@example.com", "gender"=>"male", "name"=>"David"]},
+                             :friends => [{"email"=>"david@example.com", "gender"=>"male", "name"=>"David"}]},
                             {"name"=>'Sue', "email"=>'sue@example.com', "gender"=>'female', :friends => []}]}
     assert_equal expected , @user.serializable_hash(:include => {:friends => {:include => :friends}})
   end
+
+  def test_only_include
+    expected = {"name"=>"David", :friends => [{"name" => "Joe"}, {"name" => "Sue"}]}
+    assert_equal expected , @user.serializable_hash(:only => :name, :include => {:friends => {:only => :name}})
+  end
+
+  def test_except_include
+    expected = {"name"=>"David", "email"=>"david@example.com",
+                                :friends => [{"name" => 'Joe', "email" => 'joe@example.com'},
+                                             {"name" => "Sue", "email" => 'sue@example.com'}]}
+    assert_equal expected , @user.serializable_hash(:except => :gender, :include => {:friends => {:except => :gender}})
+  end
+
+  def test_multiple_includes_with_options
+    expected =  {"email"=>"david@example.com", "gender"=>"male", "name"=>"David",
+                 :address=>{"street"=>"123 Lane"},
+                 :friends=>[{"name"=>'Joe', "email"=>'joe@example.com', "gender"=>'male'},
+                            {"name"=>'Sue', "email"=>'sue@example.com', "gender"=>'female'}]}
+    assert_equal expected , @user.serializable_hash(:include => [{:address => {:only => "street"}}, :friends])
+  end
+
 end