/*
* Copyright 2012-2017 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
*
* http://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.autoconfigure.web.servlet;
import javax.servlet.Servlet;
import javax.servlet.ServletContext;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.junit.Test;
import org.springframework.beans.BeansException;
import org.springframework.beans.factory.config.BeanPostProcessor;
import org.springframework.boot.autoconfigure.condition.ConditionalOnExpression;
import org.springframework.boot.test.util.EnvironmentTestUtils;
import org.springframework.boot.web.server.WebServerFactoryCustomizer;
import org.springframework.boot.web.servlet.ServletRegistrationBean;
import org.springframework.boot.web.servlet.context.AnnotationConfigServletWebServerApplicationContext;
import org.springframework.boot.web.servlet.server.ConfigurableServletWebServerFactory;
import org.springframework.boot.web.servlet.server.MockServletWebServerFactory;
import org.springframework.boot.web.servlet.server.ServletWebServerFactory;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Import;
import org.springframework.stereotype.Component;
import org.springframework.web.servlet.DispatcherServlet;
import org.springframework.web.servlet.FrameworkServlet;
import static org.assertj.core.api.Assertions.assertThat;
import static org.mockito.Mockito.verify;
/**
* Tests for {@link ServletWebServerFactoryAutoConfiguration}.
*
* @author Dave Syer
* @author Phillip Webb
*/
public class ServletWebServerFactoryAutoConfigurationTests {
private AnnotationConfigServletWebServerApplicationContext context;
@Test
public void createFromConfigClass() throws Exception {
this.context = new AnnotationConfigServletWebServerApplicationContext(
BaseConfiguration.class);
verifyContext();
}
@Test
public void contextAlreadyHasDispatcherServletWithDefaultName() throws Exception {
this.context = new AnnotationConfigServletWebServerApplicationContext(
DispatcherServletConfiguration.class, BaseConfiguration.class);
verifyContext();
}
@Test
public void contextAlreadyHasDispatcherServlet() throws Exception {
this.context = new AnnotationConfigServletWebServerApplicationContext(
SpringServletConfiguration.class, BaseConfiguration.class);
verifyContext();
assertThat(this.context.getBeanNamesForType(DispatcherServlet.class).length)
.isEqualTo(2);
}
@Test
public void contextAlreadyHasNonDispatcherServlet() throws Exception {
this.context = new AnnotationConfigServletWebServerApplicationContext(
NonSpringServletConfiguration.class, BaseConfiguration.class);
verifyContext(); // the non default servlet is still registered
assertThat(this.context.getBeanNamesForType(DispatcherServlet.class).length)
.isEqualTo(0);
}
@Test
public void contextAlreadyHasNonServlet() throws Exception {
this.context = new AnnotationConfigServletWebServerApplicationContext(
NonServletConfiguration.class, BaseConfiguration.class);
assertThat(this.context.getBeanNamesForType(DispatcherServlet.class).length)
.isEqualTo(0);
assertThat(this.context.getBeanNamesForType(Servlet.class).length).isEqualTo(0);
}
@Test
public void contextAlreadyHasDispatcherServletAndRegistration() throws Exception {
this.context = new AnnotationConfigServletWebServerApplicationContext(
DispatcherServletWithRegistrationConfiguration.class,
BaseConfiguration.class);
verifyContext();
assertThat(this.context.getBeanNamesForType(DispatcherServlet.class).length)
.isEqualTo(1);
}
@Test
public void webServerHasNoServletContext() throws Exception {
this.context = new AnnotationConfigServletWebServerApplicationContext(
EnsureWebServerHasNoServletContext.class, BaseConfiguration.class);
verifyContext();
}
@Test
public void customizeWebServerFactoryThroughCallback() throws Exception {
this.context = new AnnotationConfigServletWebServerApplicationContext(
CallbackEmbeddedServerFactoryCustomizer.class, BaseConfiguration.class);
verifyContext();
assertThat(getWebServerFactory().getPort()).isEqualTo(9000);
}
@Test
public void initParametersAreConfiguredOnTheServletContext() {
this.context = new AnnotationConfigServletWebServerApplicationContext();
EnvironmentTestUtils.addEnvironment(this.context,
"server.servlet.context-parameters.a:alpha",
"server.servlet.context-parameters.b:bravo");
this.context.register(BaseConfiguration.class);
this.context.refresh();
ServletContext servletContext = this.context.getServletContext();
assertThat(servletContext.getInitParameter("a")).isEqualTo("alpha");
assertThat(servletContext.getInitParameter("b")).isEqualTo("bravo");
}
private void verifyContext() {
MockServletWebServerFactory factory = getWebServerFactory();
Servlet servlet = this.context.getBean(
DispatcherServletAutoConfiguration.DEFAULT_DISPATCHER_SERVLET_BEAN_NAME,
Servlet.class);
verify(factory.getServletContext()).addServlet("dispatcherServlet", servlet);
}
private MockServletWebServerFactory getWebServerFactory() {
return this.context.getBean(MockServletWebServerFactory.class);
}
@Configuration
@Import({ WebServerConfiguration.class,
ServletWebServerFactoryAutoConfiguration.class,
DispatcherServletAutoConfiguration.class })
protected static class BaseConfiguration {
}
@Configuration
@ConditionalOnExpression("true")
public static class WebServerConfiguration {
@Bean
public ServletWebServerFactory webServerFactory() {
return new MockServletWebServerFactory();
}
}
@Configuration
public static class DispatcherServletConfiguration {
@Bean
public DispatcherServlet dispatcherServlet() {
return new DispatcherServlet();
}
}
@Configuration
public static class SpringServletConfiguration {
@Bean
public DispatcherServlet springServlet() {
return new DispatcherServlet();
}
}
@Configuration
public static class NonSpringServletConfiguration {
@Bean
public FrameworkServlet dispatcherServlet() {
return new FrameworkServlet() {
@Override
protected void doService(HttpServletRequest request,
HttpServletResponse response) throws Exception {
}
};
}
}
@Configuration
public static class NonServletConfiguration {
@Bean
public String dispatcherServlet() {
return "foo";
}
}
@Configuration
public static class DispatcherServletWithRegistrationConfiguration {
@Bean(name = DispatcherServletAutoConfiguration.DEFAULT_DISPATCHER_SERVLET_BEAN_NAME)
public DispatcherServlet dispatcherServlet() {
return new DispatcherServlet();
}
@Bean(name = DispatcherServletAutoConfiguration.DEFAULT_DISPATCHER_SERVLET_REGISTRATION_BEAN_NAME)
public ServletRegistrationBean<DispatcherServlet> dispatcherRegistration() {
return new ServletRegistrationBean<>(dispatcherServlet(), "/app/*");
}
}
@Component
public static class EnsureWebServerHasNoServletContext implements BeanPostProcessor {
@Override
public Object postProcessBeforeInitialization(Object bean, String beanName)
throws BeansException {
if (bean instanceof ConfigurableServletWebServerFactory) {
MockServletWebServerFactory webServerFactory = (MockServletWebServerFactory) bean;
assertThat(webServerFactory.getServletContext()).isNull();
}
return bean;
}
@Override
public Object postProcessAfterInitialization(Object bean, String beanName) {
return bean;
}
}
@Component
public static class CallbackEmbeddedServerFactoryCustomizer
implements WebServerFactoryCustomizer<ConfigurableServletWebServerFactory> {
@Override
public void customize(ConfigurableServletWebServerFactory serverFactory) {
serverFactory.setPort(9000);
}
}
}