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  package org.apache.cayenne.access;
  
  import org.apache.cayenne.ObjectContext;
  import org.apache.cayenne.ObjectId;
  import org.apache.cayenne.access.util.RuntimeCaseSyncModule;
  import org.apache.cayenne.di.Inject;
  import org.apache.cayenne.runtime.CayenneRuntime;
  import org.apache.cayenne.test.parallel.ParallelTestContainer;
  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.ExtraModules;
  import org.apache.cayenne.unit.di.runtime.RuntimeCase;
  import org.apache.cayenne.unit.di.runtime.UseCayenneRuntime;
  import org.junit.Test;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertFalse;
  import static org.junit.Assert.assertSame;
  import static org.junit.Assert.assertTrue;
  
  @UseCayenneRuntime(CayenneProjects.TESTMAP_PROJECT)
  @ExtraModules(RuntimeCaseSyncModule.class)
  public class NestedDataContextPeerEventsIT extends RuntimeCase {
  
  	@Inject
  	private DataContext context;
  
  	@Inject
  	private CayenneRuntime runtime;
  
      @Test
  	public void testPeerObjectUpdatedTempOID() throws Exception {
  
  		ObjectContext peer1 = runtime.newContext(context);
  		final Artist a1 = peer1.newObject(Artist.class);
  		a1.setArtistName("Y");
  
  		ObjectId a1TempId = a1.getObjectId();
  		assertTrue(a1TempId.isTemporary());
  
  		ObjectContext peer2 = runtime.newContext(context);
  		final Artist a2 = peer2.localObject(a1);
  
  		assertEquals(a1TempId, a2.getObjectId());
  
  		peer1.commitChanges();
  
  		// pause to let the context events propagate
  		new ParallelTestContainer() {
  
  			@Override
  			protected void assertResult() throws Exception {
  				assertFalse(a1.getObjectId().isTemporary());
  				assertFalse(a2.getObjectId().isTemporary());
  				assertEquals(a2.getObjectId(), a1.getObjectId());
  			}
  		}.runTest(2000);
  	}
  
      @Test
  	public void testPeerObjectUpdatedSimpleProperty() throws Exception {
  		Artist a = context.newObject(Artist.class);
  		a.setArtistName("X");
  		context.commitChanges();
  
  		ObjectContext peer1 = runtime.newContext(context);
  		Artist a1 = peer1.localObject(a);
  
  		final ObjectContext peer2 = runtime.newContext(context);
  		final Artist a2 = peer2.localObject(a);
  
  		a1.setArtistName("Y");
  		assertEquals("X", a2.getArtistName());
  		peer1.commitChangesToParent();
  
  		// pause to let the context events propagate
  		new ParallelTestContainer() {
  
  			@Override
  			protected void assertResult() throws Exception {
  				assertEquals("Y", a2.getArtistName());
  				assertFalse(
  						"Peer data context became dirty on event processing",
  						peer2.hasChanges());
  			}
  		}.runTest(2000);
  
  	}
  
      @Test
  	public void testPeerObjectUpdatedToOneRelationship() throws Exception {
  
  		Artist a = context.newObject(Artist.class);
  		Artist altA = context.newObject(Artist.class);
  
  		Painting p = context.newObject(Painting.class);
  		p.setToArtist(a);
  		p.setPaintingTitle("PPP");
  		a.setArtistName("X");
  		altA.setArtistName("Y");
  		context.commitChanges();
  
  		ObjectContext peer1 = runtime.newContext(context);
  		Painting p1 = peer1.localObject(p);
  		Artist altA1 = peer1.localObject(altA);
  
  		final ObjectContext peer2 = runtime.newContext(context);
  		final Painting p2 = peer2.localObject(p);
  		final Artist altA2 = peer2.localObject(altA);
  		Artist a2 = peer2.localObject(a);
  
  		p1.setToArtist(altA1);
  		assertSame(a2, p2.getToArtist());
  		peer1.commitChangesToParent();
  
  		// pause to let the context events propagate
  		new ParallelTestContainer() {
  
  			@Override
  			protected void assertResult() throws Exception {
  				assertEquals(altA2, p2.getToArtist());
  
  				assertFalse(
  						"Peer data context became dirty on event processing",
  						peer2.hasChanges());
  			}
  		}.runTest(2000);
  
  	}
  
      @Test
  	public void testPeerObjectUpdatedToManyRelationship() throws Exception {
  
  		Artist a = context.newObject(Artist.class);
  		a.setArtistName("X");
  
  		Painting px = context.newObject(Painting.class);
  		px.setToArtist(a);
  		px.setPaintingTitle("PX");
  
  		Painting py = context.newObject(Painting.class);
  		py.setPaintingTitle("PY");
  
  		context.commitChanges();
  		// pause to let the context events propagate
  		Thread.sleep(500);
  
  		ObjectContext peer1 = runtime.newContext(context);
  		Painting py1 = peer1.localObject(py);
  		Artist a1 = peer1.localObject(a);
  
  		final ObjectContext peer2 = runtime.newContext(context);
  		final Painting py2 = peer2.localObject(py);
  		final Artist a2 = peer2.localObject(a);
  
  		a1.addToPaintingArray(py1);
  		assertEquals(1, a2.getPaintingArray().size());
  		assertFalse(a2.getPaintingArray().contains(py2));
  		peer1.commitChangesToParent();
  		// pause to let the context events propagate
  		new ParallelTestContainer() {
  
  			@Override
  			protected void assertResult() throws Exception {
  				assertEquals(2, a2.getPaintingArray().size());
  				assertTrue(a2.getPaintingArray().contains(py2));
  
  				assertFalse(
  						"Peer data context became dirty on event processing",
  						peer2.hasChanges());
  			}
  		}.runTest(2000);
  
  	}
  }
  