tests/org.simantics.db.tests/src/org/simantics/db/tests/api/readGraph/getInverse/GetInverseTest4.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.NoInverseException;
   8 import org.simantics.db.testing.base.WriteReadTest;
   9
  10 /*
  11  * When a resource does not specify L0.InverseOf, getInverse shall throw NoInverseException.
  12  */
  13 public class GetInverseTest4 extends WriteReadTest {
  14         private Resource relation1;
  15         private Resource relation2;
  16         private Resource relation3;
  17
  18         @Override
  19         protected void write(WriteGraph graph) throws DatabaseException {
  20
  21         //Create first resource and give it a name
  22         relation1 = graph.newResource();
  23         graph.claim(relation1, L0.Inherits, L0.Relation);
  24         relation2 = graph.newResource();
  25         graph.claim(relation2, L0.Inherits, L0.Relation);
  26         graph.claim(relation1, L0.InverseOf, relation2);
  27
  28         relation3 = graph.newResource();
  29         graph.claim(relation3, L0.Inherits, L0.Relation);
  30         graph.claim(relation1, L0.InverseOf, relation3);
  31
  32         }
  33
  34         @Override
  35         protected void read(ReadGraph graph) throws DatabaseException {
  36         try {
  37                 assertNotNull("Null not allowed", graph.getInverse(relation1));
  38         } catch (NoInverseException e) {
  39             return;
  40         } catch(Throwable t) {
  41             fail("Wrong exception was thrown " + t);
  42         }
  43         fail("No exception was thrown!");
  44         }
  45 }