From c4cb2dd01410417b5ab027aff5d472d68d9cbdb1 Mon Sep 17 00:00:00 2001
From: David Heinemeier Hansson <david@loudthinking.com>
Date: Mon, 3 Dec 2007 01:47:21 +0000
Subject: Fixed that to_xml should not automatically pass :procs to
 associations included with :include (closes #10162) [chuyeow]

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@8258 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
---
 activerecord/CHANGELOG                             |  5 ++
 .../active_record/serializers/xml_serializer.rb    | 18 +++---
 activerecord/test/xml_serialization_test.rb        | 69 +++++++++++++++-------
 3 files changed, 63 insertions(+), 29 deletions(-)

diff --git a/activerecord/CHANGELOG b/activerecord/CHANGELOG
index 5192a57159..b8acc5f148 100644
--- a/activerecord/CHANGELOG
+++ b/activerecord/CHANGELOG
@@ -1,5 +1,10 @@
+*SVN*
+
+* Fixed that to_xml should not automatically pass :procs to associations included with :include #10162 [chuyeow]
+
 * Fix documentation typo introduced in [8250]. Closes #10339 [Henrik N]
 
+
 *2.0.0 [RC2]* (November 28th, 2007)
 
 * Foxy fixtures: support single-table inheritance.  #10234 [tom]
diff --git a/activerecord/lib/active_record/serializers/xml_serializer.rb b/activerecord/lib/active_record/serializers/xml_serializer.rb
index 693060f06e..84b1a53470 100644
--- a/activerecord/lib/active_record/serializers/xml_serializer.rb
+++ b/activerecord/lib/active_record/serializers/xml_serializer.rb
@@ -1,12 +1,12 @@
 module ActiveRecord #:nodoc:
   module Serialization
     # Builds an XML document to represent the model.   Some configuration is
-    # available through +options+, however more complicated cases should 
+    # available through +options+, however more complicated cases should
     # override ActiveRecord's to_xml.
     #
-    # By default the generated XML document will include the processing 
+    # By default the generated XML document will include the processing
     # instruction and all object's attributes.  For example:
-    #    
+    #
     #   <?xml version="1.0" encoding="UTF-8"?>
     #   <topic>
     #     <title>The First Topic</title>
@@ -42,7 +42,7 @@ module ActiveRecord #:nodoc:
     #     <parent-id></parent-id>
     #     <last-read type="date">2004-04-15</last-read>
     #   </topic>
-    # 
+    #
     # To include first level associations use :include
     #
     #   firm.to_xml :include => [ :account, :clients ]
@@ -189,8 +189,8 @@ module ActiveRecord #:nodoc:
 
     def add_tag(attribute)
       builder.tag!(
-        dasherize? ? attribute.name.dasherize : attribute.name, 
-        attribute.value.to_s, 
+        dasherize? ? attribute.name.dasherize : attribute.name,
+        attribute.value.to_s,
         attribute.decorations(!options[:skip_types])
       )
     end
@@ -204,9 +204,9 @@ module ActiveRecord #:nodoc:
         else
           builder.tag!(tag, :type => :array) do
             association_name = association.to_s.singularize
-            records.each do |record| 
+            records.each do |record|
               record.to_xml opts.merge(
-                :root => association_name, 
+                :root => association_name,
                 :type => (record.class.to_s.underscore == association_name ? nil : record.class.name)
               )
             end
@@ -231,7 +231,9 @@ module ActiveRecord #:nodoc:
 
       builder.tag!(*args) do
         add_attributes
+        procs = options.delete(:procs)
         add_includes { |association, records, opts| add_associations(association, records, opts) }
+        options[:procs] = procs
         add_procs
         yield builder if block_given?
       end
diff --git a/activerecord/test/xml_serialization_test.rb b/activerecord/test/xml_serialization_test.rb
index 011f27ad14..9b74ddd45b 100644
--- a/activerecord/test/xml_serialization_test.rb
+++ b/activerecord/test/xml_serialization_test.rb
@@ -11,19 +11,19 @@ class XmlSerializationTest < Test::Unit::TestCase
     assert_match %r{^<contact>},  @xml
     assert_match %r{</contact>$}, @xml
   end
-  
+
   def test_should_serialize_default_root_with_namespace
     @xml = Contact.new.to_xml :namespace=>"http://xml.rubyonrails.org/contact"
     assert_match %r{^<contact xmlns="http://xml.rubyonrails.org/contact">},  @xml
     assert_match %r{</contact>$}, @xml
   end
-  
+
   def test_should_serialize_custom_root
     @xml = Contact.new.to_xml :root => 'xml_contact'
     assert_match %r{^<xml-contact>},  @xml
     assert_match %r{</xml-contact>$}, @xml
   end
-  
+
   def test_should_allow_undasherized_tags
     @xml = Contact.new.to_xml :root => 'xml_contact', :dasherize => false
     assert_match %r{^<xml_contact>},  @xml
@@ -48,25 +48,25 @@ class DefaultXmlSerializationTest < Test::Unit::TestCase
   def test_should_serialize_string
     assert_match %r{<name>aaron stack</name>},     @xml
   end
-  
+
   def test_should_serialize_integer
     assert_match %r{<age type="integer">25</age>}, @xml
   end
-  
+
   def test_should_serialize_binary
     assert_match %r{YmluYXJ5ZGF0YQ==\n</avatar>},    @xml
     assert_match %r{<avatar(.*)(type="binary")},     @xml
     assert_match %r{<avatar(.*)(encoding="base64")}, @xml
   end
-  
+
   def test_should_serialize_datetime
     assert_match %r{<created-at type=\"datetime\">2006-08-01T00:00:00Z</created-at>}, @xml
   end
-  
+
   def test_should_serialize_boolean
     assert_match %r{<awesome type=\"boolean\">false</awesome>}, @xml
   end
-  
+
   def test_should_serialize_yaml
     assert_match %r{<preferences type=\"yaml\">--- \n:gem: ruby\n</preferences>}, @xml
   end
@@ -80,14 +80,14 @@ class NilXmlSerializationTest < Test::Unit::TestCase
   def test_should_serialize_string
     assert_match %r{<name nil="true"></name>},     @xml
   end
-  
+
   def test_should_serialize_integer
     assert %r{<age (.*)></age>}.match(@xml)
     attributes = $1
     assert_match %r{nil="true"}, attributes
     assert_match %r{type="integer"}, attributes
   end
-  
+
   def test_should_serialize_binary
     assert %r{<avatar (.*)></avatar>}.match(@xml)
     attributes = $1
@@ -95,21 +95,21 @@ class NilXmlSerializationTest < Test::Unit::TestCase
     assert_match %r{encoding="base64"}, attributes
     assert_match %r{nil="true"}, attributes
   end
-  
+
   def test_should_serialize_datetime
     assert %r{<created-at (.*)></created-at>}.match(@xml)
     attributes = $1
     assert_match %r{nil="true"}, attributes
     assert_match %r{type="datetime"}, attributes
   end
-  
+
   def test_should_serialize_boolean
     assert %r{<awesome (.*)></awesome>}.match(@xml)
     attributes = $1
     assert_match %r{type="boolean"}, attributes
     assert_match %r{nil="true"}, attributes
   end
-  
+
   def test_should_serialize_yaml
     assert %r{<preferences(.*)></preferences>}.match(@xml)
     attributes = $1
@@ -137,30 +137,57 @@ class DatabaseConnectedXmlSerializationTest < Test::Unit::TestCase
     assert_match %r{<hello-post type="Post">}, xml
     assert_match %r{<hello-post type="StiPost">}, xml
   end
-  
+
   def test_methods_are_called_on_object
     xml = authors(:david).to_xml :methods => :label, :indent => 0
     assert_match %r{<label>.*</label>}, xml
   end
-  
+
   def test_should_not_call_methods_on_associations_that_dont_respond
     xml = authors(:david).to_xml :include=>:hello_posts, :methods => :label, :indent => 2
     assert !authors(:david).hello_posts.first.respond_to?(:label)
     assert_match %r{^  <label>.*</label>}, xml
     assert_no_match %r{^      <label>}, xml
   end
-  
+
+  def test_procs_are_called_on_object
+    proc = Proc.new { |options| options[:builder].tag!('nationality', 'Danish') }
+    xml = authors(:david).to_xml(:procs => [ proc ])
+    assert_match %r{<nationality>Danish</nationality>}, xml
+  end
+
+  def test_top_level_procs_arent_applied_to_associations
+    author_proc = Proc.new { |options| options[:builder].tag!('nationality', 'Danish') }
+    xml = authors(:david).to_xml(:procs => [ author_proc ], :include => :posts, :indent => 2)
+
+    assert_match %r{^  <nationality>Danish</nationality>}, xml
+    assert_no_match %r{^ {6}<nationality>Danish</nationality>}, xml
+  end
+
+  def test_procs_on_included_associations_are_called
+    posts_proc = Proc.new { |options| options[:builder].tag!('copyright', 'DHH') }
+    xml = authors(:david).to_xml(
+      :indent => 2,
+      :include => {
+        :posts => { :procs => [ posts_proc ] }
+      }
+    )
+
+    assert_no_match %r{^  <copyright>DHH</copyright>}, xml
+    assert_match %r{^ {6}<copyright>DHH</copyright>}, xml
+  end
+
   def test_should_include_empty_has_many_as_empty_array
-    authors(:david).posts.delete_all    
+    authors(:david).posts.delete_all
     xml = authors(:david).to_xml :include=>:posts, :indent => 2
-    
+
     assert_equal [], Hash.from_xml(xml)['author']['posts']
     assert_match %r{^  <posts type="array"/>}, xml
   end
-  
+
   def test_should_has_many_array_elements_should_include_type_when_different_from_guessed_value
     xml = authors(:david).to_xml :include=>:posts_with_comments, :indent => 2
-    
+
     assert Hash.from_xml(xml)
     assert_match %r{^  <posts-with-comments type="array">}, xml
     assert_match %r{^    <posts-with-comment type="Post">}, xml
@@ -171,5 +198,5 @@ class DatabaseConnectedXmlSerializationTest < Test::Unit::TestCase
     assert types.include?('Post')
     assert types.include?('StiPost')
   end
-  
+
 end
\ No newline at end of file
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