Add a configuration option for parse_with_nokogiri

lib/webrat/core/configuration.rb

@@ -12,6 +12,7 @@ module Webrat
   end
   
   class Configuration
+    attr_accessor :parse_with_nokogiri
     
     attr_accessor :mode
     
@@ -20,6 +21,7 @@ module Webrat
     
     def initialize
       self.open_error_files = true
+      self.parse_with_nokogiri = true
     end
     
   end

spec/webrat/core/configuration_spec.rb

@@ -9,6 +9,15 @@ describe Webrat::Configuration do
     Webrat.reset_for_test
   end
 
+  it "should have a mode" do
+    Webrat.configuration.should respond_to(:mode)
+  end
+  
+  it "should use Nokogiri as the parser by default" do
+    config = Webrat.configuration
+    config.parse_with_nokogiri.should == true
+  end
+  
   it "should open error files by default" do
     config = Webrat.configuration
     config.open_error_files.should == true