org.argeo.jcr/src/org/argeo/jcr/unit/AbstractJcrTestCase.java

   1 /*
   2  * Copyright (C) 2007-2012 Argeo GmbH
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *         http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16 package org.argeo.jcr.unit;
  17
  18 import java.io.File;
  19 import java.security.AccessController;
  20 import java.security.PrivilegedAction;
  21
  22 import javax.jcr.Repository;
  23 import javax.jcr.Session;
  24 import javax.jcr.SimpleCredentials;
  25 import javax.security.auth.Subject;
  26 import javax.security.auth.login.LoginContext;
  27 import javax.security.auth.login.LoginException;
  28
  29 import org.apache.commons.io.FileUtils;
  30 import org.apache.commons.logging.Log;
  31 import org.apache.commons.logging.LogFactory;
  32 import org.argeo.jcr.ArgeoJcrException;
  33
  34 import junit.framework.TestCase;
  35
  36 public abstract class AbstractJcrTestCase extends TestCase {
  37         private final static Log log = LogFactory.getLog(AbstractJcrTestCase.class);
  38
  39         private Repository repository;
  40         private Session session = null;
  41
  42         public final static String LOGIN_CONTEXT_TEST_SYSTEM = "TEST_JACKRABBIT_ADMIN";
  43
  44         // protected abstract File getRepositoryFile() throws Exception;
  45
  46         protected abstract Repository createRepository() throws Exception;
  47
  48         protected abstract void clearRepository(Repository repository)
  49                         throws Exception;
  50
  51         @Override
  52         protected void setUp() throws Exception {
  53                 File homeDir = getHomeDir();
  54                 FileUtils.deleteDirectory(homeDir);
  55                 repository = createRepository();
  56         }
  57
  58         @Override
  59         protected void tearDown() throws Exception {
  60                 if (session != null) {
  61                         session.logout();
  62                         if (log.isTraceEnabled())
  63                                 log.trace("Logout session");
  64                 }
  65                 clearRepository(repository);
  66         }
  67
  68         protected Session session() {
  69                 if (session != null && session.isLive())
  70                         return session;
  71                 Session session;
  72                 if (getLoginContext() != null) {
  73                         LoginContext lc;
  74                         try {
  75                                 lc = new LoginContext(getLoginContext());
  76                                 lc.login();
  77                         } catch (LoginException e) {
  78                                 throw new ArgeoJcrException("JAAS login failed", e);
  79                         }
  80                         session = Subject.doAs(lc.getSubject(),
  81                                         new PrivilegedAction<Session>() {
  82
  83                                                 @Override
  84                                                 public Session run() {
  85                                                         return login();
  86                                                 }
  87
  88                                         });
  89                 } else
  90                         session = login();
  91                 this.session = session;
  92                 return this.session;
  93         }
  94
  95         protected String getLoginContext() {
  96                 return null;
  97         }
  98
  99         protected Session login() {
 100                 try {
 101                         if (log.isTraceEnabled())
 102                                 log.trace("Login session");
 103                         Subject subject = Subject.getSubject(AccessController.getContext());
 104                         if (subject != null)
 105                                 return getRepository().login();
 106                         else
 107                                 return getRepository().login(
 108                                                 new SimpleCredentials("demo", "demo".toCharArray()));
 109                 } catch (Exception e) {
 110                         throw new ArgeoJcrException("Cannot login to repository", e);
 111                 }
 112         }
 113
 114         protected Repository getRepository() {
 115                 return repository;
 116         }
 117
 118         /**
 119          * enables children class to set an existing repository in case it is not
 120          * deleted on startup, to test migration by instance
 121          */
 122         public void setRepository(Repository repository) {
 123                 this.repository = repository;
 124         }
 125
 126         protected File getHomeDir() {
 127                 File homeDir = new File(System.getProperty("java.io.tmpdir"),
 128                                 AbstractJcrTestCase.class.getSimpleName() + "-"
 129                                                 + System.getProperty("user.name"));
 130                 return homeDir;
 131         }
 132
 133 }