tests/org.simantics.db.tests/src/org/simantics/db/tests/api/readGraph/getSuperTypes/GetSupertypesTest2.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.getSuperTypes;
  13
  14 import java.util.Set;
  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.testing.base.WriteReadTest;
  21
  22 public class GetSupertypesTest2 extends WriteReadTest {
  23
  24     private Resource type1;
  25     private Resource type2;
  26     private Resource type3;
  27     private Resource instance1;
  28
  29     @Override
  30     protected void write(WriteGraph graph) throws DatabaseException {
  31         type1 = graph.newResource();
  32         graph.claim(type1, L0.Inherits, L0.Entity);
  33
  34         type2 = graph.newResource();
  35         graph.claim(type2, L0.Inherits, L0.Entity);
  36         type3 = graph.newResource();
  37         graph.claim(type3, L0.Inherits,type1);
  38         graph.claim(type3, L0.Inherits,type2);
  39     }
  40
  41     @Override
  42     protected void read(ReadGraph graph) throws DatabaseException {
  43
  44         Set<Resource> result = graph.getSupertypes(type3);
  45         assertNotNull("Null not allowed", result);
  46         assertTrue("Wrong number of results: " + result.size(), (result.size() == 3));
  47         assertTrue("Wrong types: ", (result.contains(type1) && (result.contains(type2) &&
  48                         (result.contains(L0.Entity)))));
  49     }
  50 }