tests/org.simantics.db.tests/src/org/simantics/db/tests/api/readGraph/getInverse/GetInverseTest3.java

   1 package org.simantics.db.tests.api.readGraph.getInverse;
   2
   3 import org.simantics.db.ReadGraph;
   4 import org.simantics.db.Resource;
   5 import org.simantics.db.WriteGraph;
   6 import org.simantics.db.exception.DatabaseException;
   7 import org.simantics.db.exception.ManyObjectsForFunctionalRelationException;
   8 import org.simantics.db.exception.NoInverseException;
   9 import org.simantics.db.exception.NoSingleResultException;
  10 import org.simantics.db.testing.base.WriteReadTest;
  11
  12 /*
  13  * When a resource does not specify L0.InverseOf, getInverse shall throw NoInverseException.
  14  */
  15 public class GetInverseTest3 extends WriteReadTest {
  16         private Resource relation1;
  17         private Resource relation2;
  18         private Resource relation3;
  19
  20         @Override
  21         protected void write(WriteGraph graph) throws DatabaseException {
  22
  23         //Create first resource and give it a name
  24         relation1 = graph.newResource();
  25         graph.claim(relation1, L0.Inherits, L0.Relation);
  26         relation2 = graph.newResource();
  27         graph.claim(relation2, L0.Inherits, L0.Relation);
  28         graph.claim(relation2, L0.InverseOf, relation1);
  29
  30         relation3 = graph.newResource();
  31         graph.claim(relation3, L0.Inherits, L0.Relation);
  32         graph.claim(relation3, L0.InverseOf, relation1);
  33
  34         }
  35
  36         @Override
  37         protected void read(ReadGraph graph) throws DatabaseException {
  38         try {
  39                 assertNotNull("Null not allowed", graph.getInverse(relation1));
  40         } catch (NoInverseException e) {
  41             return;
  42         } catch(Throwable t) {
  43             fail("Wrong exception was thrown " + t);
  44         }
  45
  46         fail("No exception was thrown!");
  47         }
  48
  49 }