tests/org.simantics.db.tests/src/org/simantics/db/tests/api/support/virtualGraphSupport/VirtualGraphTest2.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.support.virtualGraphSupport;
  13
  14 import java.util.Arrays;
  15 import java.util.HashSet;
  16 import java.util.UUID;
  17
  18 import org.junit.Test;
  19 import org.simantics.databoard.Bindings;
  20 import org.simantics.db.Resource;
  21 import org.simantics.db.Session;
  22 import org.simantics.db.VirtualGraph;
  23 import org.simantics.db.WriteGraph;
  24 import org.simantics.db.common.request.WriteRequest;
  25 import org.simantics.db.exception.DatabaseException;
  26 import org.simantics.db.service.VirtualGraphSupport;
  27 import org.simantics.db.testing.base.TestCleanDb;
  28 import org.simantics.layer0.Layer0;
  29
  30 public class VirtualGraphTest2 extends TestCleanDb {
  31
  32         private Error exception;
  33
  34         @Test
  35         public void test() throws DatabaseException {
  36
  37                 Session session = getSession();
  38         VirtualGraphSupport support = session.getService(VirtualGraphSupport.class);
  39         final VirtualGraph virtual = support.getMemoryPersistent(UUID.randomUUID().toString());
  40
  41                 session.syncRequest(new WriteRequest() {
  42
  43                         @Override
  44                         public void perform(WriteGraph g) throws DatabaseException {
  45
  46                 Layer0 b = Layer0.getInstance(g);
  47
  48                             final HashSet<String> strings = new HashSet<String>();
  49
  50                 for(Resource r : g.getObjects(g.getRootLibrary() , b.ConsistsOf)) {
  51                     String name = g.getPossibleRelatedValue(r, b.HasName);
  52                     strings.add(name);
  53                 }
  54
  55                             g.syncRequest(new WriteRequest(virtual) {
  56
  57                                         @Override
  58                                         public void perform(WriteGraph g) throws DatabaseException {
  59
  60                                                 Layer0 b = Layer0.getInstance(g);
  61                                                 for(int i=0;i<10;i++) {
  62                                                     Resource r = g.newResource();
  63                                                     String name = "Virtual" + i;
  64                                                     g.claimLiteral(r, b.HasName, name, Bindings.STRING);
  65                                                     strings.add(name);
  66                                                     g.claim(g.getRootLibrary(), b.ConsistsOf, r);
  67                                                 }
  68
  69                                         }
  70
  71                                 });
  72
  73                 for(Resource r : g.getObjects(g.getRootLibrary() , b.ConsistsOf)) {
  74                     String name = g.getPossibleRelatedValue(r, b.HasName);
  75                     if (DEBUG)
  76                         System.out.println("found " + name);
  77                     boolean success = strings.remove(name);
  78                     if(!success) {
  79                         exception = new AssertionError("encountered unknown string " + name);
  80                         throw exception;
  81                     }
  82                 }
  83
  84                                 if(!strings.isEmpty()) {
  85                                         exception = new AssertionError("some strings were left over " + Arrays.toString(strings.toArray()));
  86                                         throw exception;
  87                                 }
  88
  89                         }
  90
  91                 });
  92
  93                 if(exception != null) {
  94                         fail("Write transaction threw and exception (" + exception.getMessage() + ") which was not passed through ");
  95                 }
  96
  97         }
  98
  99 }