public class InventoryControllerTest extends TestCase {
public void testHandleRequestView() throws Exception {
InventoryController controller = new InventoryController();
controller.setProductManager(new SimpleProductManager());
ModelAndView modelAndView = controller.handleRequest(null, null);
assertEquals("hello", modelAndView.getViewName());
assertNotNull(modelAndView.getModel());
Map modelMap = (Map) modelAndView.getModel().get("model");
String nowValue = (String) modelMap.get("now");
assertNotNull(nowValue);