tests/org.simantics.db.tests/src/org/simantics/db/tests/api/readGraph/getSingleObject/GetSingleObjectTest21.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 org.simantics.db.ReadGraph;
  15 import org.simantics.db.Resource;
  16 import org.simantics.db.WriteGraph;
  17 import org.simantics.db.exception.DatabaseException;
  18 import org.simantics.db.exception.NoSingleResultException;
  19 import org.simantics.db.testing.annotation.Fails;
  20 import org.simantics.db.testing.base.WriteReadTest;
  21
  22 @Fails
  23 public class GetSingleObjectTest21 extends WriteReadTest {
  24         @Override
  25         protected void write(WriteGraph graph) throws DatabaseException {
  26         Resource type = graph.newResource();
  27         Resource l1 = graph.newResource();
  28         Resource l2 = graph.newResource();
  29         Resource ass1 = graph.newResource();
  30         Resource ass2 = graph.newResource();
  31         graph.claim(type, L0.Inherits, L0.Entity);
  32         graph.claim(ass1, L0.InstanceOf, null,  L0.Assertion);
  33         graph.claim(ass2, L0.InstanceOf, null,  L0.Assertion);
  34         graph.claim(type, L0.Asserts, ass1);
  35         graph.claim(type, L0.Asserts, ass2);
  36         graph.claim(ass1, L0.HasPredicate, L0.HasName);
  37         graph.claim(ass1, L0.HasObject, l1);
  38         graph.claim(ass2, L0.HasPredicate, L0.HasName);
  39         graph.claim(ass2, L0.HasObject, l2);
  40         graph.claim(written, L0.InstanceOf, null, type);
  41         }
  42
  43         @Override
  44         protected void read(ReadGraph graph) throws DatabaseException {
  45                 try {
  46                 assertNotNull("Null not allowed", graph.getSingleObject(written, L0.HasName));
  47         } catch (NoSingleResultException e) {
  48             return;
  49         } catch(Throwable t) {
  50             fail("Wrong exception was thrown " + t.getClass().getCanonicalName());
  51         }
  52         fail("No exception was thrown!");
  53         }
  54
  55 }