tests/org.simantics.db.tests/src/org/simantics/db/tests/api/write/request/WriteGraphWriteExceptionTest.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.annotation.Fails;
  20 import org.simantics.db.testing.base.ExistingDatabaseTest;
  21
  22 public class WriteGraphWriteExceptionTest extends ExistingDatabaseTest {
  23
  24         private DatabaseException exception;
  25
  26         @Test
  27         @Fails
  28         public void testWriteException() throws Exception {
  29
  30                 Session session = getSession();
  31
  32                 try {
  33
  34                         session.syncRequest(new WriteRequest() {
  35
  36                                 @Override
  37                                 public void perform(WriteGraph graph) throws DatabaseException {
  38
  39                                         try {
  40
  41                                                 graph.syncRequest(new WriteRequest() {
  42
  43                                                         @Override
  44                                                         public void perform(WriteGraph graph) throws DatabaseException {
  45
  46                                                                 exception = new DatabaseException();
  47                                                                 throw exception;
  48
  49                                                         }
  50
  51                                                 });
  52
  53                                         } catch (Throwable e) {
  54
  55                                                 if(!e.equals(exception)) {
  56                                                         fail("Write transaction threw an unknown exception.");
  57                                                 }
  58
  59                                                 if(e instanceof DatabaseException) throw (DatabaseException)e;
  60
  61                                         }
  62
  63                                         fail("Write request (Graph) did not throw the exception.");
  64
  65                                 }
  66
  67                         });
  68
  69                         fail("Write transaction (Session) did not throw the exception.");
  70
  71                 } catch (DatabaseException e) {
  72
  73                         if(e.equals(exception)) {
  74
  75                                 // Check that the session bookkeeping is still intact for another write transaction.
  76                                 session.syncRequest(new WriteRequest() {
  77                                         @Override
  78                                         public void perform(WriteGraph graph) throws DatabaseException {
  79                                         }
  80                                 });
  81
  82                                 return;
  83                         }
  84
  85                         fail("Write transaction did not throw the original exception but instead threw " + e);
  86
  87                 }
  88
  89         }
  90
  91 }