Add the type="array" moniker to has_many / has_and_belongs_to_many associations upon serialization.

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@7144 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

activerecord/lib/active_record/xml_serialization.rb

@@ -207,7 +207,7 @@ module ActiveRecord #:nodoc:
               tag = association.to_s
               tag = tag.dasherize if dasherize?
 
-              builder.tag!(tag) do
+              builder.tag!(tag, :type => :array) do
                 records.each { |r| r.to_xml(opts.merge(:root=>r.class.to_s.underscore)) }
               end
             end

activerecord/test/base_test.rb

@@ -1563,13 +1563,13 @@ class BasicsTest < Test::Unit::TestCase
   def test_to_xml_including_has_many_association
     xml = topics(:first).to_xml(:indent => 0, :skip_instruct => true, :include => :replies, :except => :replies_count)
     assert_equal "<topic>", xml.first(7)
-    assert xml.include?(%(<replies><reply>))
+    assert xml.include?(%(<replies type="array"><reply>))
     assert xml.include?(%(<title>The Second Topic's of the day</title>))
   end
 
   def test_array_to_xml_including_has_many_association
     xml = [ topics(:first), topics(:second) ].to_xml(:indent => 0, :skip_instruct => true, :include => :replies)
-    assert xml.include?(%(<replies><reply>))
+    assert xml.include?(%(<replies type="array"><reply>))
   end
 
   def test_array_to_xml_including_methods
@@ -1603,7 +1603,7 @@ class BasicsTest < Test::Unit::TestCase
     xml = companies(:first_firm).to_xml(:indent => 0, :skip_instruct => true, :include => [ :clients, :account ])
     assert_equal "<firm>", xml.first(6)
     assert xml.include?(%(<account>))
-    assert xml.include?(%(<clients><client>))
+    assert xml.include?(%(<clients type="array"><client>))
   end
 
   def test_to_xml_including_multiple_associations_with_options
@@ -1614,7 +1614,7 @@ class BasicsTest < Test::Unit::TestCase
     
     assert_equal "<firm>", xml.first(6)
     assert xml.include?(%(<client><name>Summit</name></client>))
-    assert xml.include?(%(<clients><client>))
+    assert xml.include?(%(<clients type="array"><client>))
   end
   
   def test_to_xml_including_methods

activerecord/test/xml_serialization_test.rb

@@ -146,7 +146,7 @@ class DatabaseConnectedXmlSerializationTest < Test::Unit::TestCase
 
   def test_include_uses_association_name
     xml = authors(:david).to_xml :include=>:hello_posts, :indent=>0
-    assert_match %r{<hello-posts>}, xml
+    assert_match %r{<hello-posts type="array">}, xml
     assert_match %r{<post>}, xml
     assert_match %r{<sti-post>}, xml
   end