tests/org.simantics.db.tests/src/org/simantics/db/tests/api/request/exception/GraphSyncReadWithProcedureThrowsDatabaseException.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.ReadGraph;
  16 import org.simantics.db.Session;
  17 import org.simantics.db.exception.DatabaseException;
  18 import org.simantics.db.procedure.Procedure;
  19 import org.simantics.db.request.Read;
  20 import org.simantics.db.testing.base.ExistingDatabaseTest;
  21
  22 public class GraphSyncReadWithProcedureThrowsDatabaseException extends ExistingDatabaseTest {
  23
  24     private String failure = null;
  25         private Throwable exception;
  26
  27         @Test
  28         public void test() throws Exception {
  29
  30                 Session session = getSession();
  31
  32                 try {
  33
  34                 session.syncRequest(new Read<Object>() {
  35
  36                         @Override
  37                         public Object perform(ReadGraph graph) throws DatabaseException {
  38
  39                             graph.syncRequest(new Read<Object>() {
  40
  41                         @Override
  42                         public Object perform(ReadGraph graph) throws DatabaseException {
  43                             DatabaseException e = new DatabaseException("Test");
  44                             exception = e;
  45                             throw e;
  46                         }
  47
  48                             }, new Procedure<Object>() {
  49
  50                         @Override
  51                         public void exception(Throwable t) {
  52
  53                             if(t != exception) failure = "syncRequest did not throw the original exception";
  54
  55                                     if (DEBUG)
  56                                         t.printStackTrace();
  57
  58                         }
  59
  60                         @Override
  61                         public void execute(Object result) {
  62
  63                             failure = "Execute was called with " + result;
  64
  65                         }
  66
  67                             });
  68
  69                             return null;
  70
  71
  72                         }
  73
  74                 });
  75
  76                 } catch(DatabaseException e) {
  77
  78                     if(e != exception) fail("syncRequest did not throw the original exception");
  79             if(failure != null) fail(failure);
  80
  81                     if (DEBUG)
  82                         e.printStackTrace();
  83
  84                     return;
  85
  86                 } catch(Throwable t) {
  87
  88                 fail("syncRequest threw unexpected throwable " + t);
  89
  90                 }
  91
  92                 fail("syncRequest did not throw");
  93
  94         }
  95
  96 }