tests/org.simantics.db.tests/src/org/simantics/db/tests/api/write/request/SessionWriteErrorTest.java

   1 /*******************************************************************************
   2  * Copyright (c) 2007, 2010 Association for Decentralized Information Management
   3  * in Industry THTH ry.
   4  * All rights reserved. This program and the accompanying materials
   5  * are made available under the terms of the Eclipse Public License v1.0
   6  * which accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *
   9  * Contributors:
  10  *     VTT Technical Research Centre of Finland - initial API and implementation
  11  *******************************************************************************/
  12 package org.simantics.db.tests.api.write.request;
  13
  14 import org.junit.Test;
  15 import org.simantics.db.Session;
  16 import org.simantics.db.WriteGraph;
  17 import org.simantics.db.common.request.WriteRequest;
  18 import org.simantics.db.exception.DatabaseException;
  19 import org.simantics.db.testing.base.ExistingDatabaseTest;
  20
  21 /**
  22  * @author Tuukka Lehtonen
  23  *
  24  */
  25 public class SessionWriteErrorTest extends ExistingDatabaseTest {
  26
  27         private Error exception;
  28
  29         @Test
  30         public void testWriteException() throws Exception {
  31
  32                 Session session = getSession();
  33
  34                 try {
  35
  36                         session.syncRequest(new WriteRequest() {
  37
  38                                 @Override
  39                                 public void perform(WriteGraph graph) throws DatabaseException {
  40
  41                                         exception = new Error();
  42                                         throw exception;
  43
  44                                 }
  45
  46                         });
  47
  48                 } catch (Throwable e) {
  49
  50                         if(e.getCause() != exception) {
  51                                 fail("Write transaction threw an unknown exception " + e);
  52                         }
  53
  54                         // Check that the session bookkeeping is still intact for another write transaction.
  55                         session.syncRequest(new WriteRequest() {
  56                                 @Override
  57                                 public void perform(WriteGraph graph) throws DatabaseException {
  58                                 }
  59                         });
  60
  61                         return;
  62
  63                 }
  64
  65                 fail("Write transaction did not throw an exception.");
  66
  67         }
  68
  69 }