tests/org.simantics.db.tests/src/org/simantics/db/tests/api/readGraph/getAssertedStatements/GetAssertedStatementsTest1.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.getAssertedStatements;
  13
  14 import java.util.Collection;
  15 import java.util.UUID;
  16
  17 import org.simantics.db.ReadGraph;
  18 import org.simantics.db.Resource;
  19 import org.simantics.db.Statement;
  20 import org.simantics.db.WriteGraph;
  21 import org.simantics.db.exception.DatabaseException;
  22 import org.simantics.db.testing.base.WriteReadTest;
  23 import org.simantics.db.testing.common.Tests;
  24 import org.simantics.db.tests.common.Writes;
  25
  26 public class GetAssertedStatementsTest1 extends WriteReadTest {
  27
  28     private Resource type;
  29     private Resource named1;
  30     private Resource named2;
  31     private Resource string1;
  32
  33     @Override
  34     protected void write(WriteGraph graph) throws DatabaseException {
  35
  36         // New type with assertions
  37         type = graph.newResource();
  38         graph.claim(type, L0.Inherits, L0.Entity);
  39
  40         named1 = Writes.named(graph, UUID.randomUUID().toString());
  41         named2 = Writes.named(graph, UUID.randomUUID().toString());
  42         string1 = Writes.string(graph, UUID.randomUUID().toString());
  43
  44         // Assert some nonfunctional objects
  45         graph.claim(type, L0.Asserts, Writes.assertion(graph, L0.ConsistsOf, named1));
  46         graph.claim(type, L0.Asserts, Writes.assertion(graph, L0.ConsistsOf, named2));
  47
  48         // Assert a functional object
  49         graph.claim(type, L0.Asserts, Writes.assertion(graph, L0.HasName, string1));
  50
  51     }
  52
  53     @Override
  54     protected void read(ReadGraph graph) throws DatabaseException {
  55
  56         Collection<Statement> result = graph.getAssertedStatements(type, L0.ConsistsOf);
  57         assertNotNull("Null not allowed", result);
  58         assertTrue(result.size() == 2);
  59         assertTrue(Tests.contains(result, L0.ConsistsOf, named1));
  60         assertTrue(Tests.contains(result, L0.ConsistsOf, named2));
  61         Collection<Statement> names = graph.getAssertedStatements(type, L0.HasName);
  62         assertTrue(names.size() == 1);
  63         assertTrue(Tests.contains(names, L0.HasName, string1));
  64     }
  65 }