tests/org.simantics.db.tests/src/org/simantics/db/tests/api/request/exception/GraphSyncAsyncReadPassesDatabaseException.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.request.exception;
  13
  14 import org.junit.Test;
  15 import org.simantics.db.AsyncReadGraph;
  16 import org.simantics.db.ReadGraph;
  17 import org.simantics.db.Session;
  18 import org.simantics.db.exception.DatabaseException;
  19 import org.simantics.db.procedure.AsyncProcedure;
  20 import org.simantics.db.request.AsyncRead;
  21 import org.simantics.db.request.Read;
  22 import org.simantics.db.testing.base.ExistingDatabaseTest;
  23
  24 public class GraphSyncAsyncReadPassesDatabaseException extends ExistingDatabaseTest {
  25
  26         private Exception exception;
  27
  28         @Test
  29         public void testWriteException() throws Exception {
  30
  31                 Session session = getSession();
  32
  33                 session.syncRequest(new Read<Object>() {
  34
  35             @Override
  36             public Object perform(ReadGraph graph) throws DatabaseException {
  37
  38                 try {
  39
  40                     graph.syncRequest(new AsyncRead<Object>() {
  41
  42                         @Override
  43                         public void perform(AsyncReadGraph graph, AsyncProcedure<Object> procedure) {
  44                             exception = new DatabaseException();
  45                             procedure.exception(graph, exception);
  46                         }
  47
  48                         @Override
  49                             public int threadHash() {
  50                                 return hashCode();
  51                             }
  52
  53                         @Override
  54                         public int getFlags() {
  55                             return 0;
  56                         }
  57
  58                     });
  59
  60                 } catch (Throwable e) {
  61
  62                     if(!e.equals(exception)) {
  63                         fail("Write transaction threw an unknown exception " + e);
  64                     }
  65
  66                                 if (DEBUG)
  67                                         e.printStackTrace();
  68
  69                     return null;
  70
  71                 }
  72
  73                 fail("Write transaction did not throw an exception.");
  74
  75                 return null;
  76
  77             }
  78
  79                 });
  80
  81         }
  82
  83 }