/*
* Copyright 2002-2007 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.orm.jpa.support;
import java.io.IOException;
import javax.persistence.EntityManager;
import javax.persistence.EntityManagerFactory;
import javax.servlet.FilterChain;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import junit.framework.TestCase;
import org.easymock.MockControl;
import org.springframework.mock.web.MockFilterConfig;
import org.springframework.mock.web.MockHttpServletRequest;
import org.springframework.mock.web.MockHttpServletResponse;
import org.springframework.mock.web.MockServletContext;
import org.springframework.mock.web.PassThroughFilterChain;
import org.springframework.orm.jpa.JpaTemplate;
import org.springframework.transaction.support.TransactionSynchronizationManager;
import org.springframework.web.context.WebApplicationContext;
import org.springframework.web.context.support.StaticWebApplicationContext;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.handler.WebRequestHandlerInterceptorAdapter;
/**
* @author Costin Leau
* @author Juergen Hoeller
*/
public class OpenEntityManagerInViewTests extends TestCase {
private MockControl factoryControl, managerControl;
private EntityManager manager;
private EntityManagerFactory factory;
private JpaTemplate template;
@Override
protected void setUp() throws Exception {
factoryControl = MockControl.createControl(EntityManagerFactory.class);
factory = (EntityManagerFactory) factoryControl.getMock();
managerControl = MockControl.createControl(EntityManager.class);
manager = (EntityManager) managerControl.getMock();
template = new JpaTemplate(factory);
template.afterPropertiesSet();
factoryControl.expectAndReturn(factory.createEntityManager(), manager);
}
@Override
protected void tearDown() throws Exception {
assertTrue(TransactionSynchronizationManager.getResourceMap().isEmpty());
assertFalse(TransactionSynchronizationManager.isSynchronizationActive());
assertFalse(TransactionSynchronizationManager.isCurrentTransactionReadOnly());
assertFalse(TransactionSynchronizationManager.isActualTransactionActive());
}
public void testOpenEntityManagerInterceptorInView() throws Exception {
OpenEntityManagerInViewInterceptor rawInterceptor = new OpenEntityManagerInViewInterceptor();
rawInterceptor.setEntityManagerFactory(factory);
HandlerInterceptor interceptor = new WebRequestHandlerInterceptorAdapter(rawInterceptor);
MockServletContext sc = new MockServletContext();
MockHttpServletRequest request = new MockHttpServletRequest(sc);
MockHttpServletResponse response = new MockHttpServletResponse();
managerControl.replay();
factoryControl.replay();
interceptor.preHandle(request, response, "handler");
assertTrue(TransactionSynchronizationManager.hasResource(factory));
// check that further invocations simply participate
interceptor.preHandle(request, response, "handler");
interceptor.preHandle(request, response, "handler");
interceptor.postHandle(request, response, "handler", null);
interceptor.afterCompletion(request, response, "handler", null);
interceptor.postHandle(request, response, "handler", null);
interceptor.afterCompletion(request, response, "handler", null);
interceptor.preHandle(request, response, "handler");
interceptor.postHandle(request, response, "handler", null);
interceptor.afterCompletion(request, response, "handler", null);
factoryControl.verify();
managerControl.verify();
managerControl.reset();
factoryControl.reset();
managerControl.replay();
factoryControl.replay();
interceptor.postHandle(request, response, "handler", null);
assertTrue(TransactionSynchronizationManager.hasResource(factory));
factoryControl.verify();
managerControl.verify();
managerControl.reset();
factoryControl.reset();
manager.close();
managerControl.replay();
factoryControl.replay();
interceptor.afterCompletion(request, response, "handler", null);
assertFalse(TransactionSynchronizationManager.hasResource(factory));
factoryControl.verify();
managerControl.verify();
}
public void testOpenEntityManagerInViewFilter() throws Exception {
manager.close();
managerControl.replay();
factoryControl.replay();
MockControl factoryControl2 = MockControl.createControl(EntityManagerFactory.class);
final EntityManagerFactory factory2 = (EntityManagerFactory) factoryControl2.getMock();
MockControl managerControl2 = MockControl.createControl(EntityManager.class);
EntityManager manager2 = (EntityManager) managerControl2.getMock();
factoryControl2.expectAndReturn(factory2.createEntityManager(), manager2);
manager2.close();
factoryControl2.replay();
managerControl2.replay();
MockServletContext sc = new MockServletContext();
StaticWebApplicationContext wac = new StaticWebApplicationContext();
wac.setServletContext(sc);
wac.getDefaultListableBeanFactory().registerSingleton("entityManagerFactory", factory);
wac.getDefaultListableBeanFactory().registerSingleton("myEntityManagerFactory", factory2);
wac.refresh();
sc.setAttribute(WebApplicationContext.ROOT_WEB_APPLICATION_CONTEXT_ATTRIBUTE, wac);
MockHttpServletRequest request = new MockHttpServletRequest(sc);
MockHttpServletResponse response = new MockHttpServletResponse();
MockFilterConfig filterConfig = new MockFilterConfig(wac.getServletContext(), "filter");
MockFilterConfig filterConfig2 = new MockFilterConfig(wac.getServletContext(), "filter2");
filterConfig2.addInitParameter("entityManagerFactoryBeanName", "myEntityManagerFactory");
final OpenEntityManagerInViewFilter filter = new OpenEntityManagerInViewFilter();
filter.init(filterConfig);
final OpenEntityManagerInViewFilter filter2 = new OpenEntityManagerInViewFilter();
filter2.init(filterConfig2);
final FilterChain filterChain = new FilterChain() {
public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse) {
assertTrue(TransactionSynchronizationManager.hasResource(factory));
servletRequest.setAttribute("invoked", Boolean.TRUE);
}
};
final FilterChain filterChain2 = new FilterChain() {
public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse)
throws IOException, ServletException {
assertTrue(TransactionSynchronizationManager.hasResource(factory2));
filter.doFilter(servletRequest, servletResponse, filterChain);
}
};
FilterChain filterChain3 = new PassThroughFilterChain(filter2, filterChain2);
assertFalse(TransactionSynchronizationManager.hasResource(factory));
assertFalse(TransactionSynchronizationManager.hasResource(factory2));
filter2.doFilter(request, response, filterChain3);
assertFalse(TransactionSynchronizationManager.hasResource(factory));
assertFalse(TransactionSynchronizationManager.hasResource(factory2));
assertNotNull(request.getAttribute("invoked"));
factoryControl.verify();
managerControl.verify();
factoryControl2.verify();
managerControl2.verify();
wac.close();
}
}