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  package org.apache.cayenne.unit.jira;
  
  import org.apache.cayenne.Cayenne;
  import org.apache.cayenne.access.DataContext;
  import org.apache.cayenne.di.Inject;
  import org.apache.cayenne.test.jdbc.DBHelper;
  import org.apache.cayenne.test.jdbc.TableHelper;
  import org.apache.cayenne.testdo.relationships.FkOfDifferentType;
  import org.apache.cayenne.unit.di.runtime.CayenneProjects;
  import org.apache.cayenne.unit.di.runtime.RuntimeCase;
  import org.apache.cayenne.unit.di.runtime.UseCayenneRuntime;
  import org.junit.Before;
  import org.junit.Test;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertNotNull;
  
  @UseCayenneRuntime(CayenneProjects.RELATIONSHIPS_PROJECT)
  public class CAY_191IT extends RuntimeCase {
      
      @Inject
      protected DataContext context;
      
      @Inject
      protected DBHelper dbHelper;
      
      protected TableHelper tRelationshipHelper;
      protected TableHelper tFkOfDifferentType;
  
      @Before
      public void setUp() throws Exception {
          tRelationshipHelper = new TableHelper(dbHelper, "RELATIONSHIP_HELPER");
          tRelationshipHelper.setColumns("NAME", "RELATIONSHIP_HELPER_ID");
          
          tFkOfDifferentType = new TableHelper(dbHelper, "FK_OF_DIFFERENT_TYPE");
          tFkOfDifferentType.setColumns("ID", "RELATIONSHIP_HELPER_FK");
      }
      
      protected void createTestDataSet() throws Exception {
          tRelationshipHelper.insert("RH1", 1);
          tFkOfDifferentType.insert(1, 1);
      }
  
      @Test
      public void testResolveToOneOverFKOfDifferentNumType() throws Exception {
          // this is mostly for legacy schemas, as on many dbs you won;t be able to even
          // create the FK constraint...
  
          createTestDataSet();
  
          FkOfDifferentType root = Cayenne.objectForPK(
                  context,
                  FkOfDifferentType.class,
                  1);
  
          assertNotNull(root);
          assertNotNull(root.getRelationshipHelper());
          assertEquals("RH1", root.getRelationshipHelper().getName());
      }
  }
  