cayenne-client/src/test/java/org/apache/cayenne/ObjectContextChangeLogTest.java

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package org.apache.cayenne;

import org.apache.cayenne.graph.CompoundDiff;
import org.apache.cayenne.graph.NodeCreateOperation;
import org.apache.cayenne.map.EntityResolver;
import org.apache.cayenne.remote.hessian.service.HessianUtil;
import org.junit.Test;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;

public class ObjectContextChangeLogTest {

    @Test
    public void testGetDiffsSerializableWithHessian() throws Exception {
        ObjectContextChangeLog recorder = new ObjectContextChangeLog();

        // id must be a serializable object
        recorder.addOperation(new NodeCreateOperation("id-string"));
        CompoundDiff diff = (CompoundDiff) recorder.getDiffs();

        Object clone = HessianUtil.cloneViaClientServerSerialization(diff, new EntityResolver());
        assertNotNull(clone);
        assertTrue(clone instanceof CompoundDiff);

        CompoundDiff d1 = (CompoundDiff) clone;
        assertEquals(1, d1.getDiffs().size());
    }
}