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Merge branch '3.1.x' into 3.2.x

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Closes gh-40321
This commit is contained in:
Andy Wilkinson 2024-04-11 15:35:18 +01:00
commit aab748a431
2 changed files with 149 additions and 3 deletions
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12
spring-boot-project/spring-boot/src/main/java/org/springframework/boot/web/servlet/ServletComponentRegisteringPostProcessor.java
View File

@ -37,6 +37,8 @@ import org.springframework.beans.factory.support.BeanDefinitionRegistry;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.context.annotation.ClassPathScanningCandidateComponentProvider;
import org.springframework.mock.web.MockServletContext;
import org.springframework.util.ClassUtils;
import org.springframework.web.context.WebApplicationContext;
/**
@ -50,6 +52,9 @@ import org.springframework.web.context.WebApplicationContext;
class ServletComponentRegisteringPostProcessor
implements BeanFactoryPostProcessor, ApplicationContextAware, BeanFactoryInitializationAotProcessor {
private static final boolean MOCK_SERVLET_CONTEXT_AVAILABLE = ClassUtils
.isPresent("org.springframework.mock.web.MockServletContext", null);
private static final List<ServletComponentHandler> HANDLERS;
static {
@ -70,7 +75,7 @@ class ServletComponentRegisteringPostProcessor
@Override
public void postProcessBeanFactory(ConfigurableListableBeanFactory beanFactory) throws BeansException {
if (isRunningInEmbeddedWebServer()) {
if (eligibleForServletComponentScanning()) {
ClassPathScanningCandidateComponentProvider componentProvider = createComponentProvider();
for (String packageToScan : this.packagesToScan) {
scanPackage(componentProvider, packageToScan);
@ -88,9 +93,10 @@ class ServletComponentRegisteringPostProcessor
}
}
private boolean isRunningInEmbeddedWebServer() {
private boolean eligibleForServletComponentScanning() {
return this.applicationContext instanceof WebApplicationContext webApplicationContext
&& webApplicationContext.getServletContext() == null;
&& (webApplicationContext.getServletContext() == null || (MOCK_SERVLET_CONTEXT_AVAILABLE
&& webApplicationContext.getServletContext() instanceof MockServletContext));
}
private ClassPathScanningCandidateComponentProvider createComponentProvider() {

140
spring-boot-project/spring-boot/src/test/java/org/springframework/boot/web/servlet/MockWebEnvironmentServletComponentScanIntegrationTests.java Normal file
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@ -0,0 +1,140 @@
/*
* Copyright 2012-2024 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.boot.web.servlet;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.net.URL;
import java.net.URLClassLoader;
import java.util.Map;
import java.util.Properties;
import jakarta.servlet.MultipartConfigElement;
import jakarta.servlet.annotation.WebFilter;
import jakarta.servlet.annotation.WebListener;
import jakarta.servlet.annotation.WebServlet;
import org.junit.jupiter.api.AfterEach;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.io.TempDir;
import org.springframework.boot.testsupport.classpath.ForkedClassPath;
import org.springframework.boot.web.servlet.context.AnnotationConfigServletWebApplicationContext;
import org.springframework.boot.web.servlet.testcomponents.filter.TestFilter;
import org.springframework.boot.web.servlet.testcomponents.listener.TestListener;
import org.springframework.boot.web.servlet.testcomponents.servlet.TestMultipartServlet;
import org.springframework.boot.web.servlet.testcomponents.servlet.TestServlet;
import org.springframework.mock.web.MockServletContext;
import static org.assertj.core.api.Assertions.assertThat;
import static org.mockito.BDDMockito.then;
import static org.mockito.Mockito.mock;
/**
* Integration tests for {@link ServletComponentScan @ServletComponentScan} with a mock
* web environment.
*
* @author Andy Wilkinson
*/
class MockWebEnvironmentServletComponentScanIntegrationTests {
private AnnotationConfigServletWebApplicationContext context;
@TempDir
File temp;
@AfterEach
void cleanUp() {
if (this.context != null) {
this.context.close();
}
}
@Test
@ForkedClassPath
void componentsAreRegistered() {
prepareContext();
this.context.refresh();
Map<String, RegistrationBean> registrationBeans = this.context.getBeansOfType(RegistrationBean.class);
assertThat(registrationBeans).hasSize(3);
assertThat(registrationBeans.keySet()).containsExactlyInAnyOrder(TestServlet.class.getName(),
TestFilter.class.getName(), TestMultipartServlet.class.getName());
WebListenerRegistry registry = mock(WebListenerRegistry.class);
this.context.getBean(WebListenerRegistrar.class).register(registry);
then(registry).should().addWebListeners(TestListener.class.getName());
}
@Test
@ForkedClassPath
void indexedComponentsAreRegistered() throws IOException {
writeIndex(this.temp);
prepareContext();
try (URLClassLoader classLoader = new URLClassLoader(new URL[] { this.temp.toURI().toURL() },
getClass().getClassLoader())) {
this.context.setClassLoader(classLoader);
this.context.refresh();
Map<String, RegistrationBean> registrationBeans = this.context.getBeansOfType(RegistrationBean.class);
assertThat(registrationBeans).hasSize(2);
assertThat(registrationBeans.keySet()).containsExactlyInAnyOrder(TestServlet.class.getName(),
TestFilter.class.getName());
WebListenerRegistry registry = mock(WebListenerRegistry.class);
this.context.getBean(WebListenerRegistrar.class).register(registry);
then(registry).should().addWebListeners(TestListener.class.getName());
}
}
@Test
@ForkedClassPath
void multipartConfigIsHonoured() {
prepareContext();
this.context.refresh();
@SuppressWarnings("rawtypes")
Map<String, ServletRegistrationBean> beans = this.context.getBeansOfType(ServletRegistrationBean.class);
ServletRegistrationBean<?> servletRegistrationBean = beans.get(TestMultipartServlet.class.getName());
assertThat(servletRegistrationBean).isNotNull();
MultipartConfigElement multipartConfig = servletRegistrationBean.getMultipartConfig();
assertThat(multipartConfig).isNotNull();
assertThat(multipartConfig.getLocation()).isEqualTo("test");
assertThat(multipartConfig.getMaxRequestSize()).isEqualTo(2048);
assertThat(multipartConfig.getMaxFileSize()).isEqualTo(1024);
assertThat(multipartConfig.getFileSizeThreshold()).isEqualTo(512);
}
private void writeIndex(File temp) throws IOException {
File metaInf = new File(temp, "META-INF");
metaInf.mkdirs();
Properties index = new Properties();
index.setProperty(TestFilter.class.getName(), WebFilter.class.getName());
index.setProperty(TestListener.class.getName(), WebListener.class.getName());
index.setProperty(TestServlet.class.getName(), WebServlet.class.getName());
try (FileWriter writer = new FileWriter(new File(metaInf, "spring.components"))) {
index.store(writer, null);
}
}
private void prepareContext() {
this.context = new AnnotationConfigServletWebApplicationContext();
this.context.register(ScanningConfiguration.class);
this.context.setServletContext(new MockServletContext());
}
@ServletComponentScan(basePackages = "org.springframework.boot.web.servlet.testcomponents")
static class ScanningConfiguration {
}
}