/*
* Copyright 2002-2012 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.web.context;
import java.util.EventListener;
import javax.servlet.ServletContextEvent;
import javax.servlet.ServletException;
import org.junit.Before;
import org.junit.Test;
import org.springframework.mock.web.test.MockServletContext;
import org.springframework.web.context.support.StaticWebApplicationContext;
import org.springframework.web.context.support.WebApplicationContextUtils;
import static org.junit.Assert.*;
/**
* Test case for {@link AbstractContextLoaderInitializer}.
*
* @author Arjen Poutsma
*/
public class ContextLoaderInitializerTests {
private static final String BEAN_NAME = "myBean";
private AbstractContextLoaderInitializer initializer;
private MockServletContext servletContext;
private EventListener eventListener;
@Before
public void setUp() throws Exception {
servletContext = new MyMockServletContext();
initializer = new MyContextLoaderInitializer();
eventListener = null;
}
@Test
public void register() throws ServletException {
initializer.onStartup(servletContext);
assertTrue(eventListener instanceof ContextLoaderListener);
ContextLoaderListener cll = (ContextLoaderListener) eventListener;
cll.contextInitialized(new ServletContextEvent(servletContext));
WebApplicationContext applicationContext = WebApplicationContextUtils
.getRequiredWebApplicationContext(servletContext);
assertTrue(applicationContext.containsBean(BEAN_NAME));
assertTrue(applicationContext.getBean(BEAN_NAME) instanceof MyBean);
}
private class MyMockServletContext extends MockServletContext {
@Override
public <T extends EventListener> void addListener(T listener) {
eventListener = listener;
}
}
private static class MyContextLoaderInitializer
extends AbstractContextLoaderInitializer {
@Override
protected WebApplicationContext createRootApplicationContext() {
StaticWebApplicationContext rootContext = new StaticWebApplicationContext();
rootContext.registerSingleton(BEAN_NAME, MyBean.class);
return rootContext;
}
}
private static class MyBean {
}
}