tests/org.simantics.db.tests/src/org/simantics/db/tests/api/readGraph/getSingleObject/GetSingleObjectTest3.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.readGraph.getSingleObject;
  13
  14 import java.util.UUID;
  15
  16 import org.simantics.db.ReadGraph;
  17 import org.simantics.db.Resource;
  18 import org.simantics.db.WriteGraph;
  19 import org.simantics.db.exception.DatabaseException;
  20 import org.simantics.db.exception.NoSingleResultException;
  21 import org.simantics.db.testing.annotation.Fails;
  22 import org.simantics.db.testing.base.WriteReadTest;
  23 import org.simantics.db.tests.common.Writes;
  24
  25 @Fails
  26 public class GetSingleObjectTest3 extends WriteReadTest {
  27
  28     private Resource type;
  29     private Resource string1;
  30     private Resource string2;
  31     private Resource string3;
  32
  33         @Override
  34         protected void write(WriteGraph graph) throws DatabaseException {
  35
  36         type = graph.newResource();
  37         graph.claim(type, L0.Inherits, L0.Entity);
  38
  39         string1 = Writes.string(graph, UUID.randomUUID().toString());
  40         string2 = Writes.string(graph, UUID.randomUUID().toString());
  41         string3 = Writes.string(graph, UUID.randomUUID().toString());
  42
  43         graph.claim(type, L0.HasName, string1);
  44         graph.claim(type, L0.HasName, string2);
  45         graph.claim(type, L0.HasName, string3);
  46
  47         }
  48
  49         @Override
  50         protected void read(ReadGraph graph) throws DatabaseException {
  51                 try {
  52                         assertNotNull("Null not allowed", graph.getSingleObject(type, L0.HasName));
  53                 } catch (NoSingleResultException e) {
  54                         return;
  55                 } catch (Throwable t) {
  56             fail("Wrong exception was thrown " + t.getClass().getCanonicalName());
  57         }
  58         fail("No exception was thrown!");
  59
  60         }
  61
  62 }