@Test
public void simpleScript() throws Exception {

	BeanshellActivity activity = new BeanshellActivity(null);
	Edits edits = new EditsImpl();
	edits.getAddActivityInputPortEdit(activity, new ActivityInputPortImpl("input", 0, false, null, String.class)).doEdit();
	edits.getAddActivityOutputPortEdit(activity, new ActivityOutputPortImpl("output", 0, 0)).doEdit();
	configuration.put("script", "String output = input + \"_returned\";");
	activity.configure(configuration);
	assertEquals("There should be 1 input port",1,activity.getInputPorts().size());
	assertEquals("There should be 1 output port",1,activity.getOutputPorts().size());
	assertEquals("The input should be called input", "input",((AbstractPort)activity.getInputPorts().toArray()[0]).getName());
	assertEquals("The output should be called output", "output",((AbstractPort)activity.getOutputPorts().toArray()[0]).getName());
	Map<String,Object> inputs = new HashMap<String, Object>();
	inputs.put("input", "aString");
	Map<String, Class<?>> expectedOutputs = new HashMap<String, Class<?>>();
	expectedOutputs.put("output", String.class);
	Map<String,Object> outputs = ActivityInvoker.invokeAsyncActivity(activity, inputs, expectedOutputs);
	assertTrue("there should be an output named output",outputs.containsKey("output"));
	assertEquals("output should have the value aString_returned","aString_returned",outputs.get("output"));
}