added test::unit to readme

README.rdoc

@@ -1,7 +1,7 @@
 Simple BDD API for testing asynchronous Ruby/EventMachine code
 (c) 2008 Aman Gupta (tmm1)
 
-em-spec can be used with either bacon or rspec.
+em-spec can be used with either bacon, test unit or rspec.
 
 =Rspec
 There are two ways to use the Rspec extension.  To use it as a helper, include EM::SpecHelper in your describe block.  You then use the em method to wrap your evented test code.  Inside the em block, you must call #done after your expectations.  Everything works normally otherwise.
@@ -76,6 +76,36 @@ The API is identical to Bacon, except that you must explicitly call 'done' after
 
   end
 
+=Test::Unit
+There are two ways to use the Test::Unit extension.  To use it as a helper, include EM::TestHelper in your test unit class.  You then use the em method to wrap your evented test code.  Inside the em block, you must call #done after your expectations.  Everything works normally otherwise.
+
+  class EmSpecHelperTest < Test::Unit::TestCase
+
+    include EventMachine::TestHelper
+
+    def test_trivial
+      em do
+        assert_equal 1, 1
+        done
+      end
+    end
+  end
+
+The other option is to include EM::Test in your test class.  This will patch Test::Unit so that all of your examples run inside an em block automatically:
+
+  class EmSpecTest < Test::Unit::TestCase
+
+    include EventMachine::Test
+
+    def test_timer
+      start = Time.now
+
+      EM.add_timer(0.5){
+        assert_in_delta 0.5, Time.now-start, 0.1
+        done
+      }
+    end
+  end
 
 Resources: