tests/org.simantics.db.tests/src/org/simantics/db/tests/api/support/virtualGraphSupport/VirtualGraphTest3.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 VirtualGraphTest3 extends TestCleanDb {
  31
  32         private Error exception;
  33
  34         @Test
  35         public void test() throws DatabaseException {
  36
  37                 Session session = getSession();
  38         final 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> original = new HashSet<String>();
  49                             final HashSet<String> strings = new HashSet<String>();
  50
  51                 for(Resource r : g.getObjects(g.getRootLibrary() , b.ConsistsOf)) {
  52                     String name = g.getPossibleRelatedValue(r, b.HasName);
  53                     if (name != null) {
  54                         original.add(name);
  55                         strings.add(name);
  56                     } else if (DEBUG)
  57                         System.out.println("Resource " + r + " has no name.");
  58                 }
  59
  60                             g.syncRequest(new WriteRequest(virtual) {
  61
  62                                         @Override
  63                                         public void perform(WriteGraph g) throws DatabaseException {
  64
  65                                                 Layer0 b = Layer0.getInstance(g);
  66                                                 for(int i=0;i<10;i++) {
  67                                                     Resource r = g.newResource();
  68                                                     String name = "Virtual" + i;
  69                                                     g.claimLiteral(r, b.HasName, name, Bindings.STRING);
  70                                                     strings.add(name);
  71                                                     g.claim(g.getRootLibrary(), b.ConsistsOf, r);
  72                                                     if (DEBUG)
  73                                                         System.out.println("added " + name + " resource " + r);
  74                                                 }
  75
  76                                         }
  77
  78                                 });
  79
  80                 for(Resource r : g.getObjects(g.getRootLibrary() , b.ConsistsOf)) {
  81                     String name = g.getPossibleRelatedValue(r, b.HasName);
  82                     if (DEBUG)
  83                         System.out.println("found " + name);
  84                     boolean success = strings.remove(name);
  85                     if(!success) {
  86                         exception = new AssertionError("encountered unknown string " + name);
  87                         throw exception;
  88                     }
  89                 }
  90
  91                 if(!strings.isEmpty()) {
  92                     exception = new AssertionError("some strings were left over " + Arrays.toString(strings.toArray()));
  93                     throw exception;
  94                 }
  95
  96                 support.discard(virtual);
  97
  98                 for(Resource r : g.getObjects(g.getRootLibrary() , b.ConsistsOf)) {
  99                     String name = g.getPossibleRelatedValue(r, b.HasName);
 100                     if (DEBUG)
 101                         System.out.println("found " + name);
 102                     boolean success = original.remove(name);
 103                     if(!success) {
 104                         exception = new AssertionError("encountered unknown string " + name + " resource " + r);
 105                         throw exception;
 106                     }
 107                 }
 108
 109                 if(!original.isEmpty()) {
 110                     exception = new AssertionError("some strings were left over " + Arrays.toString(strings.toArray()));
 111                     throw exception;
 112                 }
 113
 114                         }
 115
 116                 });
 117
 118                 if(exception != null) {
 119                         fail("Write transaction threw and exception (" + exception.getMessage() + ") which was not passed through ");
 120                 }
 121
 122         }
 123
 124 }