Add ActiveResource::Base#to_xml and ActiveResource::Base#to_json meth…

…ods. [#1011 state:resolved]

Signed-off-by: Pratik Naik <pratiknaik@gmail.com>

activeresource/CHANGELOG

@@ -1,5 +1,7 @@
 *Edge*
 
+* Add ActiveResource::Base#to_xml and ActiveResource::Base#to_json. #1011 [Rasik Pandey, Cody Fauser]
+
 * Add ActiveResource::Base.find(:last). [#754 state:resolved] (Adrian Mugnolo)
 
 * Fixed problems with the logger used if the logging string included %'s [#840 state:resolved] (Jamis Buck)

activeresource/lib/active_resource/base.rb

@@ -854,6 +854,42 @@ def exists?
     #
     #   my_group.to_xml(:skip_instruct => true)
     #   # => <subsidiary_group> [...] </subsidiary_group>
+    def to_xml(options={})
+      attributes.to_xml({:root => self.class.element_name}.merge(options))
+    end
+
+    # Returns a JSON string representing the model. Some configuration is
+    # available through +options+.
+    #
+    # ==== Options
+    # The +options+ are passed to the +to_json+ method on each
+    # attribute, so the same options as the +to_json+ methods in
+    # Active Support.
+    #
+    # * <tt>:only</tt> - Only include the specified attribute or list of
+    #   attributes in the serialized output. Attribute names must be specified
+    #   as strings.
+    # * <tt>:except</tt> - Do not include the specified attribute or list of
+    #   attributes in the serialized output. Attribute names must be specified
+    #   as strings.
+    #
+    # ==== Examples
+    #   person = Person.new(:first_name => "Jim", :last_name => "Smith")
+    #   person.to_json
+    #   # => {"first_name": "Jim", "last_name": "Smith"}
+    #
+    #   person.to_json(:only => ["first_name"])
+    #   # => {"first_name": "Jim"}
+    #
+    #   person.to_json(:except => ["first_name"])
+    #   # => {"last_name": "Smith"}
+    def to_json(options={})
+      attributes.to_json(options)
+    end
+
+    # Returns the serialized string representation of the resource in the configured
+    # serialization format specified in ActiveResource::Base.format. The options
+    # applicable depend on the configured encoding format.
     def encode(options={})
       case self.class.format
         when ActiveResource::Formats[:xml]

activeresource/lib/active_resource/formats/json_format.rb

@@ -12,7 +12,7 @@ def mime_type
       end
 
       def encode(hash, options={})
-        hash.to_json
+        hash.to_json(options)
       end
 
       def decode(json)

activeresource/test/format_test.rb

@@ -1,5 +1,6 @@
 require 'abstract_unit'
 require "fixtures/person"
+require "fixtures/street_address"
 
 class FormatTest < Test::Unit::TestCase
   def setup
@@ -83,6 +84,22 @@ def test_setting_format_before_site
     assert_equal ActiveResource::Formats[:json], resource.connection.format
   end
 
+  def test_serialization_of_nested_resource
+   address  = { :street => '12345 Street' }
+   person  = { :name=> 'Rus', :address => address}
+
+   [:json, :xml].each do |format|
+     encoded_person = ActiveResource::Formats[format].encode(person)
+     assert_match /12345 Street/, encoded_person
+     remote_person = Person.new(person.update({:address => StreetAddress.new(address)}))
+     assert_kind_of StreetAddress, remote_person.address
+     using_format(Person, format) do
+       ActiveResource::HttpMock.respond_to.post "/people.#{format}", {'Content-Type' => ActiveResource::Formats[format].mime_type}, encoded_person, 201, {'Location' => "/people/5.#{format}"}
+       remote_person.save
+     end
+   end
+ end
+
   private
     def using_format(klass, mime_type_reference)
       previous_format = klass.format