Include Jackson Modules in WebMvcTest and WebFluxTest

Fixes gh-22530

Author: wilkinsona

spring-boot-project/spring-boot-test-autoconfigure/src/main/java/org/springframework/boot/test/autoconfigure/web/reactive/WebFluxTypeExcludeFilter.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2019 the original author or authors.
+ * Copyright 2012-2020 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.
@@ -21,6 +21,8 @@
 import java.util.LinkedHashSet;
 import java.util.Set;
 
+import com.fasterxml.jackson.databind.Module;
+
 import org.springframework.boot.context.TypeExcludeFilter;
 import org.springframework.boot.jackson.JsonComponent;
 import org.springframework.boot.test.autoconfigure.filter.StandardAnnotationCustomizableTypeExcludeFilter;
@@ -54,6 +56,11 @@ public final class WebFluxTypeExcludeFilter extends StandardAnnotationCustomizab
 		includes.add(GenericConverter.class);
 		includes.add(WebExceptionHandler.class);
 		includes.add(WebFilter.class);
+		try {
+			includes.add(Module.class);
+		}
+		catch (Throwable ex) {
+		}
 		DEFAULT_INCLUDES = Collections.unmodifiableSet(includes);
 	}
 

spring-boot-project/spring-boot-test-autoconfigure/src/main/java/org/springframework/boot/test/autoconfigure/web/servlet/WebMvcTypeExcludeFilter.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2019 the original author or authors.
+ * Copyright 2012-2020 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.
@@ -21,6 +21,8 @@
 import java.util.LinkedHashSet;
 import java.util.Set;
 
+import com.fasterxml.jackson.databind.Module;
+
 import org.springframework.boot.context.TypeExcludeFilter;
 import org.springframework.boot.jackson.JsonComponent;
 import org.springframework.boot.test.autoconfigure.filter.StandardAnnotationCustomizableTypeExcludeFilter;
@@ -68,6 +70,11 @@ public final class WebMvcTypeExcludeFilter extends StandardAnnotationCustomizabl
 		includes.add(Converter.class);
 		includes.add(GenericConverter.class);
 		includes.add(HandlerInterceptor.class);
+		try {
+			includes.add(Module.class);
+		}
+		catch (Throwable ex) {
+		}
 		for (String optionalInclude : OPTIONAL_INCLUDES) {
 			try {
 				includes.add(ClassUtils.forName(optionalInclude, null));

spring-boot-project/spring-boot-test-autoconfigure/src/test/java/org/springframework/boot/test/autoconfigure/web/reactive/WebFluxTypeExcludeFilterTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2019 the original author or authors.
+ * Copyright 2012-2020 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.
@@ -18,6 +18,7 @@
 
 import java.io.IOException;
 
+import com.fasterxml.jackson.databind.module.SimpleModule;
 import org.junit.jupiter.api.Test;
 import reactor.core.publisher.Mono;
 
@@ -57,6 +58,7 @@ void matchWhenHasNoControllers() throws Exception {
 		assertThat(excludes(filter, ExampleService.class)).isTrue();
 		assertThat(excludes(filter, ExampleRepository.class)).isTrue();
 		assertThat(excludes(filter, ExampleWebFilter.class)).isFalse();
+		assertThat(excludes(filter, ExampleModule.class)).isFalse();
 	}
 
 	@Test
@@ -69,6 +71,7 @@ void matchWhenHasController() throws Exception {
 		assertThat(excludes(filter, ExampleService.class)).isTrue();
 		assertThat(excludes(filter, ExampleRepository.class)).isTrue();
 		assertThat(excludes(filter, ExampleWebFilter.class)).isFalse();
+		assertThat(excludes(filter, ExampleModule.class)).isFalse();
 	}
 
 	@Test
@@ -81,6 +84,7 @@ void matchNotUsingDefaultFilters() throws Exception {
 		assertThat(excludes(filter, ExampleService.class)).isTrue();
 		assertThat(excludes(filter, ExampleRepository.class)).isTrue();
 		assertThat(excludes(filter, ExampleWebFilter.class)).isTrue();
+		assertThat(excludes(filter, ExampleModule.class)).isTrue();
 	}
 
 	@Test
@@ -93,6 +97,7 @@ void matchWithIncludeFilter() throws Exception {
 		assertThat(excludes(filter, ExampleService.class)).isTrue();
 		assertThat(excludes(filter, ExampleRepository.class)).isFalse();
 		assertThat(excludes(filter, ExampleWebFilter.class)).isFalse();
+		assertThat(excludes(filter, ExampleModule.class)).isFalse();
 	}
 
 	@Test
@@ -105,6 +110,7 @@ void matchWithExcludeFilter() throws Exception {
 		assertThat(excludes(filter, ExampleService.class)).isTrue();
 		assertThat(excludes(filter, ExampleRepository.class)).isTrue();
 		assertThat(excludes(filter, ExampleWebFilter.class)).isFalse();
+		assertThat(excludes(filter, ExampleModule.class)).isFalse();
 	}
 
 	private boolean excludes(WebFluxTypeExcludeFilter filter, Class<?> type) throws IOException {
@@ -175,4 +181,8 @@ public Mono<Void> filter(ServerWebExchange serverWebExchange, WebFilterChain web
 
 	}
 
+	static class ExampleModule extends SimpleModule {
+
+	}
+
 }

spring-boot-project/spring-boot-test-autoconfigure/src/test/java/org/springframework/boot/test/autoconfigure/web/servlet/WebMvcTypeExcludeFilterTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2019 the original author or authors.
+ * Copyright 2012-2020 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.
@@ -18,6 +18,7 @@
 
 import java.io.IOException;
 
+import com.fasterxml.jackson.databind.module.SimpleModule;
 import org.junit.jupiter.api.Test;
 
 import org.springframework.context.annotation.ComponentScan.Filter;
@@ -57,6 +58,7 @@ void matchWhenHasNoControllers() throws Exception {
 		assertThat(excludes(filter, ExampleRepository.class)).isTrue();
 		assertThat(excludes(filter, ExampleWebSecurityConfigurer.class)).isFalse();
 		assertThat(excludes(filter, ExampleHandlerInterceptor.class)).isFalse();
+		assertThat(excludes(filter, ExampleModule.class)).isFalse();
 	}
 
 	@Test
@@ -71,6 +73,7 @@ void matchWhenHasController() throws Exception {
 		assertThat(excludes(filter, ExampleRepository.class)).isTrue();
 		assertThat(excludes(filter, ExampleWebSecurityConfigurer.class)).isFalse();
 		assertThat(excludes(filter, ExampleHandlerInterceptor.class)).isFalse();
+		assertThat(excludes(filter, ExampleModule.class)).isFalse();
 	}
 
 	@Test
@@ -85,6 +88,7 @@ void matchNotUsingDefaultFilters() throws Exception {
 		assertThat(excludes(filter, ExampleRepository.class)).isTrue();
 		assertThat(excludes(filter, ExampleWebSecurityConfigurer.class)).isTrue();
 		assertThat(excludes(filter, ExampleHandlerInterceptor.class)).isTrue();
+		assertThat(excludes(filter, ExampleModule.class)).isTrue();
 	}
 
 	@Test
@@ -98,6 +102,7 @@ void matchWithIncludeFilter() throws Exception {
 		assertThat(excludes(filter, ExampleService.class)).isTrue();
 		assertThat(excludes(filter, ExampleRepository.class)).isFalse();
 		assertThat(excludes(filter, ExampleHandlerInterceptor.class)).isFalse();
+		assertThat(excludes(filter, ExampleModule.class)).isFalse();
 	}
 
 	@Test
@@ -112,6 +117,7 @@ void matchWithExcludeFilter() throws Exception {
 		assertThat(excludes(filter, ExampleRepository.class)).isTrue();
 		assertThat(excludes(filter, ExampleWebSecurityConfigurer.class)).isFalse();
 		assertThat(excludes(filter, ExampleHandlerInterceptor.class)).isFalse();
+		assertThat(excludes(filter, ExampleModule.class)).isFalse();
 	}
 
 	private boolean excludes(WebMvcTypeExcludeFilter filter, Class<?> type) throws IOException {
@@ -185,4 +191,8 @@ static class ExampleHandlerInterceptor implements HandlerInterceptor {
 
 	}
 
+	static class ExampleModule extends SimpleModule {
+
+	}
+
 }