UserDeletionManagerTest.java

/**
* OLAT - Online Learning and Training<br>
* http://www.olat.org
* <p>
* Licensed under the Apache License, Version 2.0 (the "License"); <br>
* you may not use this file except in compliance with the License.<br>
* You may obtain a copy of the License at
* <p>
* http://www.apache.org/licenses/LICENSE-2.0
* <p>
* Unless required by applicable law or agreed to in writing,<br>
* software distributed under the License is distributed on an "AS IS" BASIS, <br>
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. <br>
* See the License for the specific language governing permissions and <br>
* limitations under the License.
* <p>
* Copyright (c) since 2004 at Multimedia- & E-Learning Services (MELS),<br>
* University of Zurich, Switzerland.
* <hr>
* <a href="http://www.openolat.org">
* OpenOLAT - Online Learning and Training</a><br>
* This file has been modified by the OpenOLAT community. Changes are licensed
* under the Apache 2.0 license as the original file.  
* <p>
*/ 

package org.olat.admin.user.delete.service;

import static org.junit.Assert.assertTrue;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.UUID;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;

import org.junit.Assert;
import org.junit.Test;
import org.olat.basesecurity.BaseSecurity;
import org.olat.basesecurity.BaseSecurityModule;
import org.olat.core.commons.persistence.DB;
import org.olat.core.commons.persistence.DBFactory;
import org.olat.core.id.Identity;
import org.olat.core.id.User;
import org.olat.core.id.UserConstants;
import org.olat.core.util.StringHelper;
import org.olat.group.BusinessGroup;
import org.olat.group.BusinessGroupService;
import org.olat.portfolio.manager.EPFrontendManager;
import org.olat.portfolio.manager.EPStructureManager;
import org.olat.portfolio.model.artefacts.AbstractArtefact;
import org.olat.portfolio.model.structel.ElementType;
import org.olat.portfolio.model.structel.PortfolioStructure;
import org.olat.portfolio.model.structel.PortfolioStructureMap;
import org.olat.test.JunitTestHelper;
import org.olat.test.OlatTestCase;
import org.olat.user.UserManager;
import org.springframework.beans.factory.annotation.Autowired;

/**
 * Description: <br>
 * 
 * @author Christian Guretzki
 */
public class UserDeletionManagerTest extends OlatTestCase {
	
	@Autowired
	private DB dbInstance;
	@Autowired
	private UserManager userManager;
	@Autowired
	private BaseSecurity securityManager;
	@Autowired
	private EPFrontendManager epFrontendManager;
	@Autowired
	private EPStructureManager epStructureManager;
	@Autowired
	private UserDeletionManager userDeletionManager;
	@Autowired
	private BusinessGroupService businessGroupService;
	
	@Test
	public void testDeleteIdentity() {
		String username = "id-to-del-" + UUID.randomUUID();
		String email = username + "@frentix.com";
		User user = userManager.createUser("first" + username, "last" + username, email);
		user.setProperty(UserConstants.COUNTRY, "");
		user.setProperty(UserConstants.CITY, "Basel");
		user.setProperty(UserConstants.INSTITUTIONALNAME, "Del-23");
		user.setProperty(UserConstants.INSTITUTIONALUSERIDENTIFIER, "Del-24");
		Identity identity = securityManager.createAndPersistIdentityAndUser(username, null, user, BaseSecurityModule.getDefaultAuthProviderIdentifier(), username, "secret");
		dbInstance.commitAndCloseSession();
		// add some stuff
		
		//a default map
		PortfolioStructureMap map = epFrontendManager.createAndPersistPortfolioDefaultMap(identity, "A map to delete", "This map must be deleted");
		Assert.assertNotNull(map);
		//a template
		PortfolioStructureMap template = epStructureManager.createPortfolioMapTemplate(identity, "A template to delete", "This template must be deleted");
		epStructureManager.savePortfolioStructure(template);
		//an artefact
		AbstractArtefact artefact = epFrontendManager.createAndPersistArtefact(identity, "Forum");
		dbInstance.commit();
		Assert.assertNotNull(artefact);

		//a group
		BusinessGroup group = businessGroupService.createBusinessGroup(identity, "Group", "Group", -1, -1, false, false, null);
		Assert.assertNotNull(group);
		dbInstance.commitAndCloseSession();
		
		//delete the identity
		userDeletionManager.deleteIdentity(identity);
		dbInstance.commit();

		//check
		Identity deletedIdentity = securityManager.loadIdentityByKey(identity.getKey());
		Assert.assertNotNull(deletedIdentity);
		
		//check that the artefacts are deleted
		List<AbstractArtefact> artefacts = epFrontendManager.getArtefactPoolForUser(deletedIdentity);
		Assert.assertNull(artefacts);
		//check that the maps are deleted (1)
		List<PortfolioStructure> maps = epFrontendManager.getStructureElementsForUser(deletedIdentity, ElementType.DEFAULT_MAP);
		Assert.assertNotNull(maps);
		Assert.assertEquals(0, maps.size());
		//check that the maps are deleted (2)
		PortfolioStructure deletedMap = epStructureManager.loadPortfolioStructureByKey(map.getKey());
		Assert.assertNull(deletedMap);
		
		//check membership of group
		boolean isMember = businessGroupService.isIdentityInBusinessGroup(deletedIdentity, group);
		Assert.assertFalse(isMember);
		
		User deletedUser = deletedIdentity.getUser();
		String institutionalName = deletedUser.getProperty(UserConstants.INSTITUTIONALNAME, null);
		Assert.assertFalse(StringHelper.containsNonWhitespace(institutionalName));
		String institutionalId = deletedUser.getProperty(UserConstants.INSTITUTIONALUSERIDENTIFIER, null);
		Assert.assertFalse(StringHelper.containsNonWhitespace(institutionalId));
		String deletedEmail = deletedUser.getProperty(UserConstants.EMAIL, null);
		Assert.assertNotNull(deletedEmail);
		Assert.assertFalse(email.equals(deletedEmail));
	}

	@Test
	public void testSetIdentityAsActiv() {
		Identity ident = JunitTestHelper.createAndPersistIdentityAsUser("anIdentity");
		
		final int maxLoop = 2000; // => 2000 x 11ms => 22sec => finished in 120sec
		// Let two thread call UserDeletionManager.setIdentityAsActiv
		final List<Exception> exceptionHolder = Collections.synchronizedList(new ArrayList<Exception>(1));

		CountDownLatch latch = new CountDownLatch(4);
		ActivThread[] threads = new ActivThread[4];
		for(int i=0; i<threads.length;i++) {
			threads[i] = new ActivThread(ident, maxLoop, latch, exceptionHolder);
		}

		for(int i=0; i<threads.length;i++) {
			threads[i].start();
		}
		
		try {
			latch.await(120, TimeUnit.SECONDS);
		} catch (InterruptedException e) {
			exceptionHolder.add(e);
		}
		
		// if not -> they are in deadlock and the db did not detect it
		for (Exception exception : exceptionHolder) {
			System.err.println("exception: "+exception.getMessage());
			exception.printStackTrace();
		}
		assertTrue("Exceptions #" + exceptionHolder.size(), exceptionHolder.size() == 0);				
	}
	
	private static class ActivThread extends Thread {
		
		private final int maxLoop;
		private final Identity identity;
		private final CountDownLatch countDown;
		private final List<Exception> exceptionHolder;
		
		public ActivThread(Identity identity, int maxLoop, CountDownLatch countDown, List<Exception> exceptionHolder) {
			this.identity = identity;
			this.maxLoop = maxLoop;
			this.countDown = countDown;
			this.exceptionHolder = exceptionHolder;
		}
		
		public void run() {
			try {
				sleep(10);
				for (int i=0; i<maxLoop; i++) {
					try {
						UserDeletionManager.getInstance().setIdentityAsActiv(identity);
					} catch (Exception e) {
						exceptionHolder.add(e);
					} finally {
						try {
							DBFactory.getInstance().closeSession();
						} catch (Exception e) {
							// ignore
						}
					}
				}
			} catch (Exception e) {
				exceptionHolder.add(e);
			} finally {
				countDown.countDown();
			}
		}
	}
}