adjust tests to work without libxml2

git-svn-id: https://svn.apache.org/repos/asf/lucene/solr/trunk@540702 13f79535-47bb-0310-9956-ffa450edef68

client/ruby/solr-ruby/test/unit/document_test.rb

@@ -59,7 +59,7 @@ class DocumentTest < Test::Unit::TestCase
   def test_boost
     doc = Solr::Document.new :name => "McGrump"
     doc.boost = 300.28
-    assert_match(/<doc boost=['"]300.28['"]>[\s]+<field name=['"]name['"]>McGrump<\/field>[\s]+<\/doc>/, doc.to_xml.to_s)
+    assert_match(/<doc boost=['"]300.28['"]>[\s]*<field name=['"]name['"]>McGrump<\/field>[\s]*<\/doc>/, doc.to_xml.to_s)
   end
 
 end

client/ruby/solr-ruby/test/unit/request_test.rb

@@ -22,7 +22,7 @@ class RequestTest < Test::Unit::TestCase
     request = Solr::Request::Commit.new
     assert_equal :xml, request.response_format
     assert_equal 'update', request.handler
-    assert_equal '<commit waitSearcher="true" waitFlush="true"/>', request.to_s
+    assert_match(/<commit waitSearcher=["']true["'] waitFlush=["'']true["'']\/>/, request.to_s)
   end
   
   def test_add_doc_request

client/ruby/solr-ruby/test/unit/xpath_mapper_test.rb

@@ -10,8 +10,10 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+begin
   require 'solr'
   require 'test/unit'
+  require 'xml/libxml'
 
   class XPathMapperTest < Test::Unit::TestCase
   
@@ -31,3 +33,6 @@ class XPathMapperTest < Test::Unit::TestCase
     end
 
   end
+rescue LoadError => e
+  puts "XPathMapperTest not run because #{e}"
+end