oops didn't notice I was using the wrong matchers. Matchers now using Selenium mode.

lib/webrat/selenium/matchers.rb

@@ -30,6 +30,16 @@ module Webrat
         HaveXpath.new(xpath)
       end
       
+      def assert_have_xpath(expected)
+        hs = HaveXpath.new(expected)
+        raise Test::Unit::AssertionFailedError.new(hs.failure_message) unless hs.matches?(response)
+      end
+
+      def assert_have_no_xpath(expected)
+        hs = HaveXpath.new(expected)
+        raise Test::Unit::AssertionFailedError.new(hs.negative_failure_message) if hs.matches?(response)
+      end
+      
       class HaveSelector
         def initialize(expected)
           @expected = expected
@@ -58,6 +68,20 @@ module Webrat
         HaveSelector.new(content)
       end
       
+      # Asserts that the body of the response contains
+      # the supplied selector
+      def assert_have_selector(expected)
+        hs = HaveSelector.new(expected)
+        raise Test::Unit::AssertionFailedError.new(hs.failure_message) unless hs.matches?(response)
+      end
+
+      # Asserts that the body of the response
+      # does not contain the supplied string or regepx
+      def assert_have_no_selector(expected)
+        hs = HaveSelector.new(expected)
+        raise Test::Unit::AssertionFailedError.new(hs.negative_failure_message) if hs.matches?(response)
+      end
+      
       class HasContent #:nodoc:
         def initialize(content)
           @content = content
@@ -103,6 +127,20 @@ module Webrat
         HasContent.new(content)
       end
       
+      # Asserts that the body of the response contain
+      # the supplied string or regexp
+      def assert_contain(content)
+        hc = HasContent.new(content)
+        raise Test::Unit::AssertionFailedError.new(hc.failure_message) unless hc.matches?(response)
+      end
+
+      # Asserts that the body of the response
+      # does not contain the supplied string or regepx
+      def assert_not_contain(content)
+        hc = HasContent.new(content)
+        raise Test::Unit::AssertionFailedError.new(hc.negative_failure_message) if hc.matches?(response)
+      end
+      
     end
   end
 end