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WebMvcConfigurationSupportTests.java
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WebMvcConfigurationSupportTests.java
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/*
* Copyright 2002-2022 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.web.servlet.config.annotation;
import java.util.Date;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.dataformat.xml.XmlMapper;
import jakarta.servlet.http.HttpServletRequest;
import org.junit.jupiter.api.Test;
import org.springframework.beans.DirectFieldAccessor;
import org.springframework.context.ApplicationContext;
import org.springframework.context.MessageSource;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Scope;
import org.springframework.context.annotation.ScopedProxyMode;
import org.springframework.context.i18n.LocaleContextHolder;
import org.springframework.context.support.StaticMessageSource;
import org.springframework.core.MethodParameter;
import org.springframework.core.Ordered;
import org.springframework.core.convert.ConversionService;
import org.springframework.format.annotation.DateTimeFormat;
import org.springframework.format.annotation.DateTimeFormat.ISO;
import org.springframework.format.support.FormattingConversionService;
import org.springframework.http.HttpEntity;
import org.springframework.http.HttpStatus;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.converter.json.AbstractJackson2HttpMessageConverter;
import org.springframework.http.converter.xml.MappingJackson2XmlHttpMessageConverter;
import org.springframework.stereotype.Controller;
import org.springframework.util.AntPathMatcher;
import org.springframework.util.PathMatcher;
import org.springframework.validation.Validator;
import org.springframework.validation.beanvalidation.LocalValidatorFactoryBean;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseStatus;
import org.springframework.web.bind.support.ConfigurableWebBindingInitializer;
import org.springframework.web.bind.support.WebDataBinderFactory;
import org.springframework.web.context.request.NativeWebRequest;
import org.springframework.web.context.support.AnnotationConfigWebApplicationContext;
import org.springframework.web.method.support.CompositeUriComponentsContributor;
import org.springframework.web.method.support.HandlerMethodArgumentResolver;
import org.springframework.web.method.support.HandlerMethodReturnValueHandler;
import org.springframework.web.method.support.ModelAndViewContainer;
import org.springframework.web.servlet.FlashMapManager;
import org.springframework.web.servlet.HandlerExceptionResolver;
import org.springframework.web.servlet.HandlerExecutionChain;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.HandlerMapping;
import org.springframework.web.servlet.LocaleResolver;
import org.springframework.web.servlet.RequestToViewNameTranslator;
import org.springframework.web.servlet.ViewResolver;
import org.springframework.web.servlet.handler.BeanNameUrlHandlerMapping;
import org.springframework.web.servlet.handler.ConversionServiceExposingInterceptor;
import org.springframework.web.servlet.handler.HandlerExceptionResolverComposite;
import org.springframework.web.servlet.i18n.AcceptHeaderLocaleResolver;
import org.springframework.web.servlet.mvc.annotation.ResponseStatusExceptionResolver;
import org.springframework.web.servlet.mvc.method.annotation.ExceptionHandlerExceptionResolver;
import org.springframework.web.servlet.mvc.method.annotation.JsonViewRequestBodyAdvice;
import org.springframework.web.servlet.mvc.method.annotation.JsonViewResponseBodyAdvice;
import org.springframework.web.servlet.mvc.method.annotation.MvcUriComponentsBuilder;
import org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter;
import org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping;
import org.springframework.web.servlet.mvc.support.DefaultHandlerExceptionResolver;
import org.springframework.web.servlet.resource.ResourceUrlProviderExposingInterceptor;
import org.springframework.web.servlet.support.SessionFlashMapManager;
import org.springframework.web.servlet.view.BeanNameViewResolver;
import org.springframework.web.servlet.view.DefaultRequestToViewNameTranslator;
import org.springframework.web.servlet.view.InternalResourceViewResolver;
import org.springframework.web.servlet.view.ViewResolverComposite;
import org.springframework.web.testfixture.servlet.MockHttpServletRequest;
import org.springframework.web.testfixture.servlet.MockHttpServletResponse;
import org.springframework.web.testfixture.servlet.MockServletContext;
import org.springframework.web.util.UrlPathHelper;
import static com.fasterxml.jackson.databind.DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES;
import static com.fasterxml.jackson.databind.MapperFeature.DEFAULT_VIEW_INCLUSION;
import static org.assertj.core.api.Assertions.assertThat;
import static org.springframework.web.servlet.DispatcherServlet.FLASH_MAP_MANAGER_BEAN_NAME;
import static org.springframework.web.servlet.DispatcherServlet.LOCALE_RESOLVER_BEAN_NAME;
import static org.springframework.web.servlet.DispatcherServlet.REQUEST_TO_VIEW_NAME_TRANSLATOR_BEAN_NAME;
import static org.springframework.web.servlet.DispatcherServlet.THEME_RESOLVER_BEAN_NAME;
/**
* Integration tests for {@link WebMvcConfigurationSupport} (imported via
* {@link EnableWebMvc @EnableWebMvc}).
*
* @author Rossen Stoyanchev
* @author Juergen Hoeller
* @author Sebastien Deleuze
* @author Sam Brannen
* @author Marten Deinum
*/
public class WebMvcConfigurationSupportTests {
@Test
public void requestMappingHandlerMapping() throws Exception {
ApplicationContext context = initContext(WebConfig.class, ScopedController.class, ScopedProxyController.class);
RequestMappingHandlerMapping handlerMapping = context.getBean(RequestMappingHandlerMapping.class);
assertThat(handlerMapping.getOrder()).isEqualTo(0);
HandlerExecutionChain chain = handlerMapping.getHandler(new MockHttpServletRequest("GET", "/"));
assertThat(chain).isNotNull();
HandlerInterceptor[] interceptors = chain.getInterceptors();
assertThat(interceptors).isNotNull();
assertThat(interceptors[0].getClass()).isEqualTo(ConversionServiceExposingInterceptor.class);
chain = handlerMapping.getHandler(new MockHttpServletRequest("GET", "/scoped"));
assertThat(chain).as("HandlerExecutionChain for '/scoped' mapping should not be null.").isNotNull();
chain = handlerMapping.getHandler(new MockHttpServletRequest("GET", "/scopedProxy"));
assertThat(chain).as("HandlerExecutionChain for '/scopedProxy' mapping should not be null.").isNotNull();
}
@Test
public void emptyHandlerMappings() {
ApplicationContext context = initContext(WebConfig.class);
Map<String, HandlerMapping> handlerMappings = context.getBeansOfType(HandlerMapping.class);
assertThat(handlerMappings.containsKey("viewControllerHandlerMapping")).isFalse();
assertThat(handlerMappings.containsKey("resourceHandlerMapping")).isFalse();
assertThat(handlerMappings.containsKey("defaultServletHandlerMapping")).isFalse();
Object nullBean = context.getBean("viewControllerHandlerMapping");
assertThat(nullBean.equals(null)).isTrue();
nullBean = context.getBean("resourceHandlerMapping");
assertThat(nullBean.equals(null)).isTrue();
nullBean = context.getBean("defaultServletHandlerMapping");
assertThat(nullBean.equals(null)).isTrue();
}
@Test
public void beanNameHandlerMapping() throws Exception {
ApplicationContext context = initContext(WebConfig.class);
BeanNameUrlHandlerMapping handlerMapping = context.getBean(BeanNameUrlHandlerMapping.class);
assertThat(handlerMapping.getOrder()).isEqualTo(2);
HttpServletRequest request = new MockHttpServletRequest("GET", "/testController");
HandlerExecutionChain chain = handlerMapping.getHandler(request);
assertThat(chain).isNotNull();
HandlerInterceptor[] interceptors = chain.getInterceptors();
assertThat(interceptors).isNotNull();
assertThat(interceptors.length).isEqualTo(3);
assertThat(interceptors[1].getClass()).isEqualTo(ConversionServiceExposingInterceptor.class);
assertThat(interceptors[2].getClass()).isEqualTo(ResourceUrlProviderExposingInterceptor.class);
}
@Test
public void requestMappingHandlerAdapter() {
ApplicationContext context = initContext(WebConfig.class);
RequestMappingHandlerAdapter adapter = context.getBean(RequestMappingHandlerAdapter.class);
List<HttpMessageConverter<?>> converters = adapter.getMessageConverters();
assertThat(converters).hasSizeGreaterThanOrEqualTo(14);
converters.stream()
.filter(converter -> converter instanceof AbstractJackson2HttpMessageConverter)
.forEach(converter -> {
ObjectMapper mapper = ((AbstractJackson2HttpMessageConverter) converter).getObjectMapper();
assertThat(mapper.getDeserializationConfig().isEnabled(DEFAULT_VIEW_INCLUSION)).isFalse();
assertThat(mapper.getSerializationConfig().isEnabled(DEFAULT_VIEW_INCLUSION)).isFalse();
assertThat(mapper.getDeserializationConfig().isEnabled(FAIL_ON_UNKNOWN_PROPERTIES)).isFalse();
if (converter instanceof MappingJackson2XmlHttpMessageConverter) {
assertThat(mapper.getClass()).isEqualTo(XmlMapper.class);
}
});
ConfigurableWebBindingInitializer initializer =
(ConfigurableWebBindingInitializer) adapter.getWebBindingInitializer();
assertThat(initializer).isNotNull();
ConversionService conversionService = initializer.getConversionService();
assertThat(conversionService).isNotNull();
boolean condition1 = conversionService instanceof FormattingConversionService;
assertThat(condition1).isTrue();
Validator validator = initializer.getValidator();
assertThat(validator).isNotNull();
boolean condition = validator instanceof LocalValidatorFactoryBean;
assertThat(condition).isTrue();
DirectFieldAccessor fieldAccessor = new DirectFieldAccessor(adapter);
@SuppressWarnings("unchecked")
List<Object> bodyAdvice = (List<Object>) fieldAccessor.getPropertyValue("requestResponseBodyAdvice");
assertThat(bodyAdvice.size()).isEqualTo(2);
assertThat(bodyAdvice.get(0).getClass()).isEqualTo(JsonViewRequestBodyAdvice.class);
assertThat(bodyAdvice.get(1).getClass()).isEqualTo(JsonViewResponseBodyAdvice.class);
}
@Test
public void uriComponentsContributor() {
ApplicationContext context = initContext(WebConfig.class);
CompositeUriComponentsContributor uriComponentsContributor = context.getBean(
MvcUriComponentsBuilder.MVC_URI_COMPONENTS_CONTRIBUTOR_BEAN_NAME,
CompositeUriComponentsContributor.class);
assertThat(uriComponentsContributor).isNotNull();
}
@Test
@SuppressWarnings("unchecked")
public void handlerExceptionResolver() {
ApplicationContext context = initContext(WebConfig.class);
HandlerExceptionResolverComposite compositeResolver =
context.getBean("handlerExceptionResolver", HandlerExceptionResolverComposite.class);
assertThat(compositeResolver.getOrder()).isEqualTo(0);
List<HandlerExceptionResolver> expectedResolvers = compositeResolver.getExceptionResolvers();
assertThat(expectedResolvers.get(0).getClass()).isEqualTo(ExceptionHandlerExceptionResolver.class);
assertThat(expectedResolvers.get(1).getClass()).isEqualTo(ResponseStatusExceptionResolver.class);
assertThat(expectedResolvers.get(2).getClass()).isEqualTo(DefaultHandlerExceptionResolver.class);
ExceptionHandlerExceptionResolver eher = (ExceptionHandlerExceptionResolver) expectedResolvers.get(0);
assertThat(eher.getApplicationContext()).isNotNull();
DirectFieldAccessor fieldAccessor = new DirectFieldAccessor(eher);
List<Object> interceptors = (List<Object>) fieldAccessor.getPropertyValue("responseBodyAdvice");
assertThat(interceptors.size()).isEqualTo(1);
assertThat(interceptors.get(0).getClass()).isEqualTo(JsonViewResponseBodyAdvice.class);
LocaleContextHolder.setLocale(Locale.ENGLISH);
try {
ResponseStatusExceptionResolver rser = (ResponseStatusExceptionResolver) expectedResolvers.get(1);
MockHttpServletRequest request = new MockHttpServletRequest("GET", "/");
MockHttpServletResponse response = new MockHttpServletResponse();
rser.resolveException(request, response, context.getBean(TestController.class), new UserAlreadyExistsException());
assertThat(response.getErrorMessage()).isEqualTo("User already exists!");
}
finally {
LocaleContextHolder.resetLocaleContext();
}
}
@Test
public void customArgumentResolvers() {
ApplicationContext context = initContext(CustomArgumentResolverConfig.class);
RequestMappingHandlerAdapter adapter = context.getBean(RequestMappingHandlerAdapter.class);
HandlerExceptionResolverComposite composite = context.getBean(HandlerExceptionResolverComposite.class);
assertThat(adapter).isNotNull();
assertThat(adapter.getCustomArgumentResolvers().size()).isEqualTo(1);
assertThat(adapter.getCustomArgumentResolvers().get(0).getClass()).isEqualTo(TestArgumentResolver.class);
assertThat(adapter.getCustomReturnValueHandlers().size()).isEqualTo(1);
assertThat(adapter.getCustomReturnValueHandlers().get(0).getClass()).isEqualTo(TestReturnValueHandler.class);
assertThat(composite).isNotNull();
assertThat(composite.getExceptionResolvers().size()).isEqualTo(3);
assertThat(composite.getExceptionResolvers().get(0).getClass()).isEqualTo(ExceptionHandlerExceptionResolver.class);
ExceptionHandlerExceptionResolver resolver =
(ExceptionHandlerExceptionResolver) composite.getExceptionResolvers().get(0);
assertThat(resolver.getCustomArgumentResolvers().size()).isEqualTo(1);
assertThat(resolver.getCustomArgumentResolvers().get(0).getClass()).isEqualTo(TestArgumentResolver.class);
assertThat(resolver.getCustomReturnValueHandlers().size()).isEqualTo(1);
assertThat(resolver.getCustomReturnValueHandlers().get(0).getClass()).isEqualTo(TestReturnValueHandler.class);
}
@Test
public void mvcViewResolver() {
ApplicationContext context = initContext(WebConfig.class);
ViewResolverComposite resolver = context.getBean("mvcViewResolver", ViewResolverComposite.class);
assertThat(resolver).isNotNull();
assertThat(resolver.getViewResolvers().size()).isEqualTo(1);
assertThat(resolver.getViewResolvers().get(0).getClass()).isEqualTo(InternalResourceViewResolver.class);
assertThat(resolver.getOrder()).isEqualTo(Ordered.LOWEST_PRECEDENCE);
}
@Test
public void mvcViewResolverWithExistingResolver() throws Exception {
ApplicationContext context = initContext(WebConfig.class, ViewResolverConfig.class);
ViewResolverComposite resolver = context.getBean("mvcViewResolver", ViewResolverComposite.class);
assertThat(resolver).isNotNull();
assertThat(resolver.getViewResolvers().size()).isEqualTo(0);
assertThat(resolver.getOrder()).isEqualTo(Ordered.LOWEST_PRECEDENCE);
assertThat(resolver.resolveViewName("anyViewName", Locale.ENGLISH)).isNull();
}
@Test
public void mvcViewResolverWithOrderSet() {
ApplicationContext context = initContext(CustomViewResolverOrderConfig.class);
ViewResolverComposite resolver = context.getBean("mvcViewResolver", ViewResolverComposite.class);
assertThat(resolver).isNotNull();
assertThat(resolver.getViewResolvers().size()).isEqualTo(1);
assertThat(resolver.getViewResolvers().get(0).getClass()).isEqualTo(InternalResourceViewResolver.class);
assertThat(resolver.getOrder()).isEqualTo(123);
}
@Test
public void defaultPathMatchConfiguration() {
ApplicationContext context = initContext(WebConfig.class);
UrlPathHelper urlPathHelper = context.getBean(UrlPathHelper.class);
PathMatcher pathMatcher = context.getBean(PathMatcher.class);
assertThat(urlPathHelper).isNotNull();
assertThat(pathMatcher).isNotNull();
assertThat(pathMatcher.getClass()).isEqualTo(AntPathMatcher.class);
}
@Test
public void defaultLocaleResolverConfiguration() {
ApplicationContext context = initContext(WebConfig.class);
LocaleResolver localeResolver = context.getBean(LOCALE_RESOLVER_BEAN_NAME, LocaleResolver.class);
assertThat(localeResolver).isNotNull();
assertThat(localeResolver).isInstanceOf(AcceptHeaderLocaleResolver.class);
}
@Test
@SuppressWarnings("deprecation")
public void defaultThemeResolverConfiguration() {
ApplicationContext context = initContext(WebConfig.class);
org.springframework.web.servlet.ThemeResolver themeResolver =
context.getBean(THEME_RESOLVER_BEAN_NAME, org.springframework.web.servlet.ThemeResolver.class);
assertThat(themeResolver).isNotNull();
assertThat(themeResolver).isInstanceOf(org.springframework.web.servlet.theme.FixedThemeResolver.class);
}
@Test
public void defaultFlashMapManagerConfiguration() {
ApplicationContext context = initContext(WebConfig.class);
FlashMapManager flashMapManager = context.getBean(FLASH_MAP_MANAGER_BEAN_NAME, FlashMapManager.class);
assertThat(flashMapManager).isNotNull();
assertThat(flashMapManager).isInstanceOf(SessionFlashMapManager.class);
}
@Test
public void defaultRequestToViewNameConfiguration() throws Exception {
ApplicationContext context = initContext(WebConfig.class);
RequestToViewNameTranslator requestToViewNameTranslator;
requestToViewNameTranslator = context.getBean(REQUEST_TO_VIEW_NAME_TRANSLATOR_BEAN_NAME,
RequestToViewNameTranslator.class);
assertThat(requestToViewNameTranslator).isNotNull();
assertThat(requestToViewNameTranslator).isInstanceOf(DefaultRequestToViewNameTranslator.class);
}
private ApplicationContext initContext(Class<?>... configClasses) {
AnnotationConfigWebApplicationContext context = new AnnotationConfigWebApplicationContext();
context.setServletContext(new MockServletContext());
context.register(configClasses);
context.refresh();
return context;
}
@EnableWebMvc
@Configuration
static class WebConfig {
@Bean("/testController")
public TestController testController() {
return new TestController();
}
@Bean
public MessageSource messageSource() {
StaticMessageSource messageSource = new StaticMessageSource();
messageSource.addMessage("exception.user.exists", Locale.ENGLISH, "User already exists!");
return messageSource;
}
}
@Configuration
static class ViewResolverConfig {
@Bean
public ViewResolver beanNameViewResolver() {
return new BeanNameViewResolver();
}
}
@EnableWebMvc
@Configuration
static class CustomViewResolverOrderConfig implements WebMvcConfigurer {
@Override
public void configureViewResolvers(ViewResolverRegistry registry) {
registry.jsp();
registry.order(123);
}
}
@EnableWebMvc
@Configuration
static class CustomArgumentResolverConfig implements WebMvcConfigurer {
@Override
public void addArgumentResolvers(List<HandlerMethodArgumentResolver> resolvers) {
resolvers.add(new TestArgumentResolver());
}
@Override
public void addReturnValueHandlers(List<HandlerMethodReturnValueHandler> handlers) {
handlers.add(new TestReturnValueHandler());
}
}
@Controller
private static class TestController {
@RequestMapping("/")
public void handle() {
}
@RequestMapping("/foo/{id}/bar/{date}")
public HttpEntity<Void> methodWithTwoPathVariables(@PathVariable Integer id,
@DateTimeFormat(iso = ISO.DATE) @PathVariable Date date) {
return null;
}
}
@Controller
@Scope("prototype")
private static class ScopedController {
@RequestMapping("/scoped")
public void handle() {
}
}
@Controller
@Scope(scopeName = "prototype", proxyMode = ScopedProxyMode.TARGET_CLASS)
static class ScopedProxyController {
@RequestMapping("/scopedProxy")
public void handle() {
}
}
@ResponseStatus(code = HttpStatus.BAD_REQUEST, reason = "exception.user.exists")
@SuppressWarnings("serial")
private static class UserAlreadyExistsException extends RuntimeException {
}
private static class TestArgumentResolver implements HandlerMethodArgumentResolver {
@Override
public boolean supportsParameter(MethodParameter parameter) {
return false;
}
@Override
public Object resolveArgument(MethodParameter parameter, ModelAndViewContainer container,
NativeWebRequest request, WebDataBinderFactory factory) {
return null;
}
}
private static class TestReturnValueHandler implements HandlerMethodReturnValueHandler {
@Override
public boolean supportsReturnType(MethodParameter returnType) {
return false;
}
@Override
public void handleReturnValue(Object value, MethodParameter parameter,
ModelAndViewContainer container, NativeWebRequest request) {
}
}
}