require "helper" module Nokogiri module XML class TestAdditionalNamespacesInBuilderDoc < Nokogiri::TestCase def test_builder_namespaced_root_node_ns b = Nokogiri::XML::Builder.new do |x| x[:foo].RDF(:'xmlns:foo' => 'http://foo.io') end assert_equal 'http://foo.io', b.doc.root.namespace.href end end end end