@Test
public void handlerExceptionResolver() throws Exception {
HandlerExceptionResolverComposite compositeResolver =
(HandlerExceptionResolverComposite) mvcConfiguration.handlerExceptionResolver();
assertEquals(0, compositeResolver.getOrder());
List<HandlerExceptionResolver> expectedResolvers = new ArrayList<HandlerExceptionResolver>();
mvcConfiguration.addDefaultHandlerExceptionResolvers(expectedResolvers);
assertEquals(expectedResolvers.size(), compositeResolver.getExceptionResolvers().size());
}
@Test
public void webMvcConfigurerExtensionHooks() throws Exception {
StaticWebApplicationContext appCxt = new StaticWebApplicationContext();
appCxt.setServletContext(new MockServletContext(new FileSystemResourceLoader()));
appCxt.registerSingleton("controller", TestController.class);
WebConfig webConfig = new WebConfig();
webConfig.setApplicationContext(appCxt);
webConfig.setServletContext(appCxt.getServletContext());
String actual = webConfig.mvcConversionService().convert(new TestBean(), String.class);
assertEquals("converted", actual);
RequestMappingHandlerAdapter adapter = webConfig.requestMappingHandlerAdapter();
assertEquals(1, adapter.getMessageConverters().size());
ConfigurableWebBindingInitializer initializer =
(ConfigurableWebBindingInitializer) adapter.getWebBindingInitializer();
assertNotNull(initializer);
BeanPropertyBindingResult bindingResult = new BeanPropertyBindingResult(null, "");
initializer.getValidator().validate(null, bindingResult);
assertEquals("invalid", bindingResult.getAllErrors().get(0).getCode());
@SuppressWarnings("unchecked")
List<HandlerMethodArgumentResolver> argResolvers =
(List<HandlerMethodArgumentResolver>)
new DirectFieldAccessor(adapter).getPropertyValue("customArgumentResolvers");
assertEquals(1, argResolvers.size());
@SuppressWarnings("unchecked")
List<HandlerMethodReturnValueHandler> handlers =
(List<HandlerMethodReturnValueHandler>)
new DirectFieldAccessor(adapter).getPropertyValue("customReturnValueHandlers");
assertEquals(1, handlers.size());
HandlerExceptionResolverComposite composite =
(HandlerExceptionResolverComposite) webConfig.handlerExceptionResolver();
assertEquals(1, composite.getExceptionResolvers().size());
RequestMappingHandlerMapping rmHandlerMapping = webConfig.requestMappingHandlerMapping();
rmHandlerMapping.setApplicationContext(appCxt);
HandlerExecutionChain chain =
rmHandlerMapping.getHandler(new MockHttpServletRequest("GET", "/"));
assertNotNull(chain.getInterceptors());
assertEquals(2, chain.getInterceptors().length);
assertEquals(LocaleChangeInterceptor.class, chain.getInterceptors()[0].getClass());
assertEquals(ConversionServiceExposingInterceptor.class, chain.getInterceptors()[1].getClass());
AbstractHandlerMapping handlerMapping =
(AbstractHandlerMapping) webConfig.viewControllerHandlerMapping();
handlerMapping.setApplicationContext(appCxt);
assertNotNull(handlerMapping);
assertEquals(1, handlerMapping.getOrder());
HandlerExecutionChain handler =
handlerMapping.getHandler(new MockHttpServletRequest("GET", "/path"));
assertNotNull(handler.getHandler());
handlerMapping = (AbstractHandlerMapping) webConfig.resourceHandlerMapping();
handlerMapping.setApplicationContext(appCxt);
assertNotNull(handlerMapping);
assertEquals(Integer.MAX_VALUE - 1, handlerMapping.getOrder());
handler = handlerMapping.getHandler(new MockHttpServletRequest("GET", "/resources/foo.gif"));
assertNotNull(handler.getHandler());
handlerMapping = (AbstractHandlerMapping) webConfig.defaultServletHandlerMapping();
handlerMapping.setApplicationContext(appCxt);
assertNotNull(handlerMapping);
assertEquals(Integer.MAX_VALUE, handlerMapping.getOrder());
handler = handlerMapping.getHandler(new MockHttpServletRequest("GET", "/anyPath"));
assertNotNull(handler.getHandler());
}