/**
* Copyright 2012 Impetus Infotech.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.impetus.kundera.persistence;
import java.util.Map;
import javax.persistence.Persistence;
import org.junit.After;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import com.impetus.kundera.configure.PersistenceUnitConfiguration;
import com.impetus.kundera.graph.BillingCounter;
import com.impetus.kundera.graph.Node;
import com.impetus.kundera.graph.ObjectGraph;
import com.impetus.kundera.graph.ObjectGraphBuilder;
import com.impetus.kundera.graph.Store;
import com.impetus.kundera.persistence.context.PersistenceCache;
/**
* Test case for {@link ObjectGraphBuilder}
*
* @author amresh.singh
*/
public class ObjectGraphBuilderTest
{
private ObjectGraphBuilder graphBuilder;
private String _persistenceUnit = "kunderatest";
/**
* @throws java.lang.Exception
*/
@Before
public void setUp() throws Exception
{
EntityManagerFactoryImpl emfImpl = getEntityManagerFactory();
new PersistenceUnitConfiguration(null, emfImpl.getKunderaMetadataInstance(), "kunderatest").configure();
PersistenceCache persistenceCache = new PersistenceCache();
graphBuilder = new ObjectGraphBuilder(persistenceCache, new PersistenceDelegator(
emfImpl.getKunderaMetadataInstance(), persistenceCache));
}
/**
* @throws java.lang.Exception
*/
@After
public void tearDown() throws Exception
{
}
/**
* Test method for
* {@link com.impetus.kundera.graph.ObjectGraphBuilder#getObjectGraph(java.lang.Object)}
* .
*/
@Test
public void testGetObjectGraph()
{
Store store = new Store(1, "Food Bazaar, Noida");
store.addCounter(new BillingCounter(1, "A"));
store.addCounter(new BillingCounter(2, "B"));
store.addCounter(new BillingCounter(3, "C"));
ObjectGraph graph = graphBuilder.getObjectGraph(store, null);
Assert.assertNotNull(graph);
Node headNode = graph.getHeadNode();
Map<String, Node> nodeMappings = graph.getNodeMapping();
Assert.assertNotNull(headNode);
Assert.assertNotNull(nodeMappings);
Assert.assertFalse(nodeMappings.isEmpty());
Assert.assertEquals(4, nodeMappings.size());
Assert.assertTrue(headNode.getParents() == null);
Assert.assertEquals(3, headNode.getChildren().size());
}
/**
* Gets the entity manager factory.
*
* @param useLucene
* @param property
*
* @return the entity manager factory
*/
private EntityManagerFactoryImpl getEntityManagerFactory()
{
return (EntityManagerFactoryImpl) Persistence.createEntityManagerFactory(_persistenceUnit);
}
}