tests/org.simantics.db.tests/src/org/simantics/db/tests/api/readGraph/getTypes/GetTypesTest7.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.getTypes;
  13
  14 import java.util.Set;
  15 import java.util.UUID;
  16
  17 import org.simantics.db.ReadGraph;
  18 import org.simantics.db.Resource;
  19 import org.simantics.db.WriteGraph;
  20 import org.simantics.db.exception.DatabaseException;
  21 import org.simantics.db.testing.base.WriteReadTest;
  22 import org.simantics.db.tests.common.Writes;
  23 //Cyclic assertion
  24 public class GetTypesTest7 extends WriteReadTest {
  25
  26     private Resource type1;
  27     private Resource type2;
  28     private Resource instance1;
  29
  30
  31
  32     @Override
  33     protected void write(WriteGraph graph) throws DatabaseException {
  34
  35         // New type with assertions
  36         type1 = graph.newResource();
  37         graph.claim(type1, L0.Inherits, L0.Entity);
  38         type2 = graph.newResource();
  39         graph.claim(type2, L0.Inherits, L0.Entity);
  40         graph.claim(type1, L0.HasName, Writes.string(graph, UUID.randomUUID().toString()));
  41
  42         graph.claim(type1, L0.Asserts, Writes.assertion(graph, L0.Inherits, type2));
  43         graph.claim(type2, L0.Asserts, Writes.assertion(graph, L0.Inherits, type1));
  44         instance1 = graph.newResource();
  45         graph.claim(instance1, L0.InstanceOf, type1);
  46
  47     }
  48
  49     @Override
  50     protected void read(ReadGraph graph) throws DatabaseException {
  51
  52         Set<Resource> results = graph.getTypes(instance1);
  53
  54         assertTrue("Wrong number of results: " + results.size(), (results.size() == 2));
  55         assertTrue("Wrong types: ", (results.contains(type1) &&
  56                         (results.contains(L0.Entity))));
  57     }
  58 }