Spring Framework example source code file (OpenPersistenceManagerInViewTests.java)

This example Spring Framework source code file (OpenPersistenceManagerInViewTests.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Spring Framework tags/keywords

filterchain, filterchain, io, mockcontrol, mockcontrol, mockhttpservletrequest, mockhttpservletresponse, mockservletcontext, openpersistencemanagerinviewfilter, openpersistencemanagerinviewinterceptor, persistencemanager, persistencemanager, persistencemanagerfactory, persistencemanagerfactory, servlet, servletresponse

The Spring Framework OpenPersistenceManagerInViewTests.java source code

/*
 * 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.jdo.support;

import java.io.IOException;

import javax.jdo.PersistenceManager;
import javax.jdo.PersistenceManagerFactory;
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.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 Juergen Hoeller
 * @since 15.06.2004
 */
public class OpenPersistenceManagerInViewTests extends TestCase {

	public void testOpenPersistenceManagerInViewInterceptor() throws Exception {
		MockControl pmfControl = MockControl.createControl(PersistenceManagerFactory.class);
		PersistenceManagerFactory pmf = (PersistenceManagerFactory) pmfControl.getMock();
		MockControl pmControl = MockControl.createControl(PersistenceManager.class);
		PersistenceManager pm = (PersistenceManager) pmControl.getMock();

		OpenPersistenceManagerInViewInterceptor rawInterceptor = new OpenPersistenceManagerInViewInterceptor();
		rawInterceptor.setPersistenceManagerFactory(pmf);
		HandlerInterceptor interceptor = new WebRequestHandlerInterceptorAdapter(rawInterceptor);

		MockServletContext sc = new MockServletContext();
		MockHttpServletRequest request = new MockHttpServletRequest(sc);
		MockHttpServletResponse response = new MockHttpServletResponse();

		pmf.getPersistenceManager();
		pmfControl.setReturnValue(pm, 1);
		pmfControl.replay();
		pmControl.replay();
		interceptor.preHandle(request, response, "handler");
		assertTrue(TransactionSynchronizationManager.hasResource(pmf));

		// 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);

		pmfControl.verify();
		pmControl.verify();

		pmfControl.reset();
		pmControl.reset();
		pmfControl.replay();
		pmControl.replay();
		interceptor.postHandle(request, response, "handler", null);
		assertTrue(TransactionSynchronizationManager.hasResource(pmf));
		pmfControl.verify();
		pmControl.verify();

		pmfControl.reset();
		pmControl.reset();
		pm.close();
		pmControl.setVoidCallable(1);
		pmfControl.replay();
		pmControl.replay();
		interceptor.afterCompletion(request, response, "handler", null);
		assertFalse(TransactionSynchronizationManager.hasResource(pmf));
		pmfControl.verify();
		pmControl.verify();
	}

	public void testOpenPersistenceManagerInViewFilter() throws Exception {
		MockControl pmfControl = MockControl.createControl(PersistenceManagerFactory.class);
		final PersistenceManagerFactory pmf = (PersistenceManagerFactory) pmfControl.getMock();
		MockControl pmControl = MockControl.createControl(PersistenceManager.class);
		PersistenceManager pm = (PersistenceManager) pmControl.getMock();

		pmf.getPersistenceManager();
		pmfControl.setReturnValue(pm, 1);
		pm.close();
		pmControl.setVoidCallable(1);
		pmfControl.replay();
		pmControl.replay();

		MockControl pmf2Control = MockControl.createControl(PersistenceManagerFactory.class);
		final PersistenceManagerFactory pmf2 = (PersistenceManagerFactory) pmf2Control.getMock();
		MockControl pm2Control = MockControl.createControl(PersistenceManager.class);
		PersistenceManager pm2 = (PersistenceManager) pm2Control.getMock();

		pmf2.getPersistenceManager();
		pmf2Control.setReturnValue(pm2, 1);
		pm2.close();
		pm2Control.setVoidCallable(1);
		pmf2Control.replay();
		pm2Control.replay();

		MockServletContext sc = new MockServletContext();
		StaticWebApplicationContext wac = new StaticWebApplicationContext();
		wac.setServletContext(sc);
		wac.getDefaultListableBeanFactory().registerSingleton("persistenceManagerFactory", pmf);
		wac.getDefaultListableBeanFactory().registerSingleton("myPersistenceManagerFactory", pmf2);
		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("persistenceManagerFactoryBeanName", "myPersistenceManagerFactory");

		final OpenPersistenceManagerInViewFilter filter = new OpenPersistenceManagerInViewFilter();
		filter.init(filterConfig);
		final OpenPersistenceManagerInViewFilter filter2 = new OpenPersistenceManagerInViewFilter();
		filter2.init(filterConfig2);

		final FilterChain filterChain = new FilterChain() {
			public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse) {
				assertTrue(TransactionSynchronizationManager.hasResource(pmf));
				servletRequest.setAttribute("invoked", Boolean.TRUE);
			}
		};

		final FilterChain filterChain2 = new FilterChain() {
			public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse)
			    throws IOException, ServletException {
				assertTrue(TransactionSynchronizationManager.hasResource(pmf2));
				filter.doFilter(servletRequest, servletResponse, filterChain);
			}
		};

		FilterChain filterChain3 = new PassThroughFilterChain(filter2, filterChain2);

		assertFalse(TransactionSynchronizationManager.hasResource(pmf));
		assertFalse(TransactionSynchronizationManager.hasResource(pmf2));
		filter2.doFilter(request, response, filterChain3);
		assertFalse(TransactionSynchronizationManager.hasResource(pmf));
		assertFalse(TransactionSynchronizationManager.hasResource(pmf2));
		assertNotNull(request.getAttribute("invoked"));

		pmfControl.verify();
		pmControl.verify();
		pmf2Control.verify();
		pm2Control.verify();

		wac.close();
	}

}