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  package org.apache.cayenne.access;
  
  import org.apache.cayenne.di.Inject;
  import org.apache.cayenne.query.ObjectSelect;
  import org.apache.cayenne.testdo.testmap.Artist;
  import org.apache.cayenne.testdo.testmap.Painting;
  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.apache.cayenne.unit.util.ValidationDelegate;
  import org.junit.Test;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertFalse;
  import static org.junit.Assert.assertTrue;
  
  /**
   */
  @UseCayenneRuntime(CayenneProjects.TESTMAP_PROJECT)
  public class DataContextValidationIT extends RuntimeCase {
  
      @Inject
      private DataContext context;
  
      @Test
      public void testValidatingObjectsOnCommitProperty() throws Exception {
          context.setValidatingObjectsOnCommit(true);
          assertTrue(context.isValidatingObjectsOnCommit());
  
          context.setValidatingObjectsOnCommit(false);
          assertFalse(context.isValidatingObjectsOnCommit());
      }
  
      @Test
      public void testValidatingObjectsOnCommit() throws Exception {
          // test that validation is called properly
  
          context.setValidatingObjectsOnCommit(true);
          Artist a1 = context.newObject(Artist.class);
          a1.setArtistName("a1");
          context.commitChanges();
          assertTrue(a1.isValidateForSaveCalled());
  
          context.setValidatingObjectsOnCommit(false);
          Artist a2 = context.newObject(Artist.class);
          a2.setArtistName("a2");
          context.commitChanges();
          assertFalse(a2.isValidateForSaveCalled());
      }
  
      @Test
      public void testValidationModifyingContext() throws Exception {
  
          ValidationDelegate delegate = (object, validationResult) -> {
  
              Artist a = (Artist) object;
              Painting p = a.getObjectContext().newObject(Painting.class);
              p.setPaintingTitle("XXX");
              p.setToArtist(a);
          };
  
          context.setValidatingObjectsOnCommit(true);
          Artist a1 = context.newObject(Artist.class);
          a1.setValidationDelegate(delegate);
          a1.setArtistName("a1");
  
          // add another artist to ensure that modifying context works when more than one
          // object is committed
          Artist a2 = context.newObject(Artist.class);
          a2.setValidationDelegate(delegate);
          a2.setArtistName("a2");
          context.commitChanges();
  
          assertEquals(2, ObjectSelect.query(Painting.class).select(context).size());
      }
  }
  