tests for custom conversion service / validator

org.springframework.web.servlet/src/test/java/org/springframework/web/servlet/config/MvcNamespaceTests.java

 package org.springframework.web.servlet.config;
 
 import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertTrue;
 
 import java.util.Date;
 import java.util.Locale;
 
+import javax.validation.Valid;
+import javax.validation.constraints.NotNull;
+
 import org.junit.Before;
 import org.junit.Test;
+import org.springframework.beans.ConversionNotSupportedException;
 import org.springframework.beans.factory.xml.XmlBeanDefinitionReader;
 import org.springframework.context.i18n.LocaleContextHolder;
 import org.springframework.core.io.ClassPathResource;
@@ -17,6 +23,9 @@ import org.springframework.mock.web.MockHttpServletRequest;
 import org.springframework.mock.web.MockHttpServletResponse;
 import org.springframework.mock.web.MockServletContext;
 import org.springframework.stereotype.Controller;
+import org.springframework.validation.BindingResult;
+import org.springframework.validation.Errors;
+import org.springframework.validation.Validator;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.context.support.GenericWebApplicationContext;
@@ -52,14 +61,93 @@ public class MvcNamespaceTests {
 		request.addParameter("date", "2009-10-31");
 		MockHttpServletResponse response = new MockHttpServletResponse();
 		adapter.handle(request, response, handler);
+		assertTrue(handler.recordedValidationError);
 	}
-	
+
+	@Test(expected=ConversionNotSupportedException.class)
+	public void testCustomConversionService() throws Exception {
+		XmlBeanDefinitionReader reader = new XmlBeanDefinitionReader(container);
+		reader.loadBeanDefinitions(new ClassPathResource("mvc-config-custom-conversion-service.xml", getClass()));
+		assertEquals(3, container.getBeanDefinitionCount());
+		DefaultAnnotationHandlerMapping mapping = container.getBean(DefaultAnnotationHandlerMapping.class);
+		assertNotNull(mapping);
+		assertEquals(0, mapping.getOrder());
+		AnnotationMethodHandlerAdapter adapter = container.getBean(AnnotationMethodHandlerAdapter.class);
+		assertNotNull(adapter);
+
+		TestController handler = new TestController();
+
+		// default web binding initializer behavior test
+		MockHttpServletRequest request = new MockHttpServletRequest();
+		request.addParameter("date", "2009-10-31");
+		MockHttpServletResponse response = new MockHttpServletResponse();
+		adapter.handle(request, response, handler);
+	}
+
+	@Test
+	public void testCustomValidator() throws Exception {
+		XmlBeanDefinitionReader reader = new XmlBeanDefinitionReader(container);
+		reader.loadBeanDefinitions(new ClassPathResource("mvc-config-custom-validator.xml", getClass()));
+		assertEquals(3, container.getBeanDefinitionCount());
+		DefaultAnnotationHandlerMapping mapping = container.getBean(DefaultAnnotationHandlerMapping.class);
+		assertNotNull(mapping);
+		assertEquals(0, mapping.getOrder());
+		AnnotationMethodHandlerAdapter adapter = container.getBean(AnnotationMethodHandlerAdapter.class);
+		assertNotNull(adapter);
+
+		TestController handler = new TestController();
+
+		// default web binding initializer behavior test
+		MockHttpServletRequest request = new MockHttpServletRequest();
+		request.addParameter("date", "2009-10-31");
+		MockHttpServletResponse response = new MockHttpServletResponse();
+		adapter.handle(request, response, handler);
+
+		assertTrue(container.getBean(TestValidator.class).validatorInvoked);
+		assertFalse(handler.recordedValidationError);
+	}
+
 	@Controller
 	public static class TestController {
 		
+		private boolean recordedValidationError;
+		
 		@RequestMapping
-		public void testBind(@RequestParam @DateTimeFormat(iso=ISO.DATE) Date date) {
-			
+		public void testBind(@RequestParam @DateTimeFormat(iso=ISO.DATE) Date date, @Valid TestBean bean, BindingResult result) {
+			if (result.getErrorCount() == 1) {
+				this.recordedValidationError = true;
+			} else {
+				this.recordedValidationError = false;
+			}
 		}
 	}
+	
+	public static class TestValidator implements Validator {
+
+		boolean validatorInvoked;
+		
+		public boolean supports(Class<?> clazz) {
+			return true;
+		}
+
+		public void validate(Object target, Errors errors) {
+			this.validatorInvoked = true;
+		}
+		
+	}
+	
+	private static class TestBean {
+		
+		@NotNull
+		private String field;
+
+		public String getField() {
+			return field;
+		}
+
+		public void setField(String field) {
+			this.field = field;
+		}
+		
+	}
 }

org.springframework.web.servlet/src/test/resources/org/springframework/web/servlet/config/mvc-config-custom-conversion-service.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<beans xmlns="http://www.springframework.org/schema/beans"
+    xmlns:mvc="http://www.springframework.org/schema/mvc"
+	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
+		http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd">
+
+	<mvc:annotation-driven conversion-service="conversionService" />
+	
+	<bean id="conversionService" class="org.springframework.core.convert.support.DefaultConversionService" />
+	
+</beans>

org.springframework.web.servlet/src/test/resources/org/springframework/web/servlet/config/mvc-config-custom-validator.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<beans xmlns="http://www.springframework.org/schema/beans"
+    xmlns:mvc="http://www.springframework.org/schema/mvc"
+	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
+		http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd">
+
+	<mvc:annotation-driven validator="validator"/>
+	
+	<bean id="validator" class="org.springframework.web.servlet.config.MvcNamespaceTests$TestValidator" />
+	
+</beans>