@Test public void customArgumentResolver() throws Exception { DefaultMessageHandlerMethodFactory instance = createInstance(); List<HandlerMethodArgumentResolver> customResolvers = new ArrayList<>(); customResolvers.add(new CustomHandlerMethodArgumentResolver()); instance.setCustomArgumentResolvers(customResolvers); instance.afterPropertiesSet(); InvocableHandlerMethod invocableHandlerMethod = createInvocableHandlerMethod(instance, "customArgumentResolver", Locale.class); invocableHandlerMethod.invoke(MessageBuilder.withPayload(123).build()); assertMethodInvocation(sample, "customArgumentResolver"); }
@Test public void overrideArgumentResolvers() throws Exception { DefaultMessageHandlerMethodFactory instance = createInstance(); List<HandlerMethodArgumentResolver> customResolvers = new ArrayList<>(); customResolvers.add(new CustomHandlerMethodArgumentResolver()); instance.setArgumentResolvers(customResolvers); instance.afterPropertiesSet(); Message<String> message = MessageBuilder.withPayload("sample").build(); // This will work as the local resolver is set InvocableHandlerMethod invocableHandlerMethod = createInvocableHandlerMethod(instance, "customArgumentResolver", Locale.class); invocableHandlerMethod.invoke(message); assertMethodInvocation(sample, "customArgumentResolver"); // This won't work as no resolver is known for the payload InvocableHandlerMethod invocableHandlerMethod2 = createInvocableHandlerMethod(instance, "simpleString", String.class); thrown.expect(MethodArgumentResolutionException.class); thrown.expectMessage("No suitable resolver"); invocableHandlerMethod2.invoke(message); }
@Test public void noValidationByDefault() throws Exception { DefaultMessageHandlerMethodFactory instance = createInstance(); instance.afterPropertiesSet(); InvocableHandlerMethod invocableHandlerMethod = createInvocableHandlerMethod(instance, "payloadValidation", String.class); invocableHandlerMethod.invoke(MessageBuilder.withPayload("failure").build()); assertMethodInvocation(sample, "payloadValidation"); }
@Test public void customMessageConverterFailure() throws Exception { DefaultMessageHandlerMethodFactory instance = createInstance(); MessageConverter messageConverter = new ByteArrayMessageConverter(); instance.setMessageConverter(messageConverter); instance.afterPropertiesSet(); InvocableHandlerMethod invocableHandlerMethod = createInvocableHandlerMethod(instance, "simpleString", String.class); thrown.expect(MessageConversionException.class); invocableHandlerMethod.invoke(MessageBuilder.withPayload(123).build()); }
@Test public void customValidation() throws Exception { DefaultMessageHandlerMethodFactory instance = createInstance(); instance.setValidator(new Validator() { @Override public boolean supports(Class<?> clazz) { return String.class.isAssignableFrom(clazz); } @Override public void validate(Object target, Errors errors) { String value = (String) target; if ("failure".equals(value)) { errors.reject("not a valid value"); } } }); instance.afterPropertiesSet(); InvocableHandlerMethod invocableHandlerMethod = createInvocableHandlerMethod(instance, "payloadValidation", String.class); thrown.expect(MethodArgumentNotValidException.class); invocableHandlerMethod.invoke(MessageBuilder.withPayload("failure").build()); }
@Test public void customConversionServiceFailure() throws Exception { DefaultMessageHandlerMethodFactory instance = createInstance(); GenericConversionService conversionService = new GenericConversionService(); assertFalse("conversion service should fail to convert payload", conversionService.canConvert(Integer.class, String.class)); instance.setConversionService(conversionService); instance.afterPropertiesSet(); InvocableHandlerMethod invocableHandlerMethod = createInvocableHandlerMethod(instance, "simpleString", String.class); thrown.expect(MessageConversionException.class); invocableHandlerMethod.invoke(MessageBuilder.withPayload(123).build()); }
@Test public void customConversion() throws Exception { DefaultMessageHandlerMethodFactory instance = createInstance(); GenericConversionService conversionService = new GenericConversionService(); conversionService.addConverter(SampleBean.class, String.class, new Converter<SampleBean, String>() { @Override public String convert(SampleBean source) { return "foo bar"; } }); instance.setConversionService(conversionService); instance.afterPropertiesSet(); InvocableHandlerMethod invocableHandlerMethod = createInvocableHandlerMethod(instance, "simpleString", String.class); invocableHandlerMethod.invoke(MessageBuilder.withPayload(sample).build()); assertMethodInvocation(sample, "simpleString"); }