Fixed to_xml with :include misbehaviors when invoked on array of model...

Fixed to_xml with :include misbehaviors when invoked on array of model instances (closes #5690) [alexkwolfe@gmail.com]

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@4652 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

activerecord/CHANGELOG

 *SVN*
 
+* Fixed to_xml with :include misbehaviors when invoked on array of model instances #5690 [alexkwolfe@gmail.com]
+
 * Added support for conditions on Base.exists? #5689 [josh@joshpeek.com]. Examples:
 
     assert (Topic.exists?(:author_name => "David")) 

activerecord/lib/active_record/xml_serialization.rb

@@ -199,6 +199,8 @@ def add_includes
             end
           end
         end
+
+        options[:include] = include_associations
       end
     end
 

activerecord/test/base_test.rb

@@ -1299,6 +1299,19 @@ def test_to_xml_including_has_many_association
     assert xml.include?(%(<replies><reply>))
     assert xml.include?(%(<title>The Second Topic's of the day</title>))
   end
+  
+  def test_array_to_xml_including_has_one_association
+    xml = [ companies(:first_firm), companies(:rails_core) ].to_xml(:indent => 0, :skip_instruct => true, :include => :account)
+    assert xml.include?(companies(:first_firm).account.to_xml(:indent => 0, :skip_instruct => true))
+    assert xml.include?(companies(:rails_core).account.to_xml(:indent => 0, :skip_instruct => true))
+  end
+
+  def test_array_to_xml_including_belongs_to_association
+    xml = [ companies(:first_client), companies(:second_client), companies(:another_client) ].to_xml(:indent => 0, :skip_instruct => true, :include => :firm)
+    assert xml.include?(companies(:first_client).to_xml(:indent => 0, :skip_instruct => true))
+    assert xml.include?(companies(:second_client).firm.to_xml(:indent => 0, :skip_instruct => true))
+    assert xml.include?(companies(:another_client).firm.to_xml(:indent => 0, :skip_instruct => true))
+  end
 
   def test_to_xml_including_belongs_to_association
     xml = companies(:first_client).to_xml(:indent => 0, :skip_instruct => true, :include => :firm)