HashMap<String, Object> extraContext = new HashMap<String, Object>();
extraContext.put(ActionContext.PARAMETERS, params);
ActionProxy proxy = actionProxyFactory.createActionProxy("", MockConfigurationProvider.PARAM_INTERCEPTOR_ACTION_NAME, extraContext);
proxy.execute();
Map<String, String> existingMap = ((SimpleAction) proxy.getAction()).getTheProtectedMap();
assertEquals(4, existingMap.size());
assertEquals("test1", existingMap.get("p0 p1"));
assertEquals("test2", existingMap.get("p0p1 "));
assertEquals("test3", existingMap.get(" p0p1 "));