/*
* 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.web.servlet.context;
import java.io.IOException;
import javax.servlet.GenericServlet;
import javax.servlet.Servlet;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import org.junit.Test;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.testutil.MockServlet;
import org.springframework.boot.web.servlet.context.config.ExampleServletWebServerApplicationConfiguration;
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.Scope;
import org.springframework.context.annotation.ScopedProxyMode;
import org.springframework.stereotype.Component;
import org.springframework.web.context.ServletContextAware;
import org.springframework.web.servlet.config.annotation.EnableWebMvc;
import static org.assertj.core.api.Assertions.assertThat;
import static org.mockito.Mockito.verify;
/**
* Tests for {@link AnnotationConfigServletWebServerApplicationContext}.
*
* @author Phillip Webb
*/
public class AnnotationConfigServletWebServerApplicationContextTests {
private AnnotationConfigServletWebServerApplicationContext context;
@Test
public void createFromScan() throws Exception {
this.context = new AnnotationConfigServletWebServerApplicationContext(
ExampleServletWebServerApplicationConfiguration.class.getPackage()
.getName());
verifyContext();
}
@Test
public void sessionScopeAvailable() throws Exception {
this.context = new AnnotationConfigServletWebServerApplicationContext(
ExampleServletWebServerApplicationConfiguration.class,
SessionScopedComponent.class);
verifyContext();
}
@Test
public void sessionScopeAvailableToServlet() throws Exception {
this.context = new AnnotationConfigServletWebServerApplicationContext(
ExampleServletWebServerApplicationConfiguration.class,
ExampleServletWithAutowired.class, SessionScopedComponent.class);
Servlet servlet = this.context.getBean(ExampleServletWithAutowired.class);
assertThat(servlet).isNotNull();
}
@Test
public void createFromConfigClass() throws Exception {
this.context = new AnnotationConfigServletWebServerApplicationContext(
ExampleServletWebServerApplicationConfiguration.class);
verifyContext();
}
@Test
public void registerAndRefresh() throws Exception {
this.context = new AnnotationConfigServletWebServerApplicationContext();
this.context.register(ExampleServletWebServerApplicationConfiguration.class);
this.context.refresh();
verifyContext();
}
@Test
public void scanAndRefresh() throws Exception {
this.context = new AnnotationConfigServletWebServerApplicationContext();
this.context.scan(ExampleServletWebServerApplicationConfiguration.class
.getPackage().getName());
this.context.refresh();
verifyContext();
}
@Test
public void createAndInitializeCyclic() throws Exception {
this.context = new AnnotationConfigServletWebServerApplicationContext(
ServletContextAwareEmbeddedConfiguration.class);
verifyContext();
// You can't initialize the application context and inject the servlet context
// because of a cycle - we'd like this to be not null but it never will be
assertThat(this.context.getBean(ServletContextAwareEmbeddedConfiguration.class)
.getServletContext()).isNull();
}
@Test
public void createAndInitializeWithParent() throws Exception {
AnnotationConfigServletWebServerApplicationContext parent = new AnnotationConfigServletWebServerApplicationContext(
WebServerConfiguration.class);
this.context = new AnnotationConfigServletWebServerApplicationContext();
this.context.register(WebServerConfiguration.class,
ServletContextAwareConfiguration.class);
this.context.setParent(parent);
this.context.refresh();
verifyContext();
assertThat(this.context.getBean(ServletContextAwareConfiguration.class)
.getServletContext()).isNotNull();
}
private void verifyContext() {
MockServletWebServerFactory factory = this.context
.getBean(MockServletWebServerFactory.class);
Servlet servlet = this.context.getBean(Servlet.class);
verify(factory.getServletContext()).addServlet("servlet", servlet);
}
@Component
@SuppressWarnings("serial")
protected static class ExampleServletWithAutowired extends GenericServlet {
@Autowired
private SessionScopedComponent component;
@Override
public void service(ServletRequest req, ServletResponse res)
throws ServletException, IOException {
assertThat(this.component).isNotNull();
}
}
@Component
@Scope(value = "session", proxyMode = ScopedProxyMode.TARGET_CLASS)
protected static class SessionScopedComponent {
}
@Configuration
@EnableWebMvc
public static class ServletContextAwareEmbeddedConfiguration
implements ServletContextAware {
private ServletContext servletContext;
@Bean
public ServletWebServerFactory webServerFactory() {
return new MockServletWebServerFactory();
}
@Bean
public Servlet servlet() {
return new MockServlet();
}
@Override
public void setServletContext(ServletContext servletContext) {
this.servletContext = servletContext;
}
public ServletContext getServletContext() {
return this.servletContext;
}
}
@Configuration
public static class WebServerConfiguration {
@Bean
public ServletWebServerFactory webServerFactory() {
return new MockServletWebServerFactory();
}
}
@Configuration
@EnableWebMvc
public static class ServletContextAwareConfiguration implements ServletContextAware {
private ServletContext servletContext;
@Bean
public Servlet servlet() {
return new MockServlet();
}
@Override
public void setServletContext(ServletContext servletContext) {
this.servletContext = servletContext;
}
public ServletContext getServletContext() {
return this.servletContext;
}
}
}