/**
* Copyright 2013 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.client.crud.datatypes;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.UUID;
import javax.persistence.EntityManager;
import javax.persistence.EntityManagerFactory;
import javax.persistence.Persistence;
import org.junit.After;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import com.impetus.client.cassandra.common.CassandraConstants;
import com.impetus.client.crud.datatypes.entities.EntityWithCollection;
import com.impetus.kundera.client.cassandra.persistence.CassandraCli;
import com.impetus.kundera.property.PropertyAccessorHelper;
import com.impetus.kundera.property.accessor.ObjectAccessor;
import com.impetus.kundera.property.accessor.UUIDAccessor;
/**
* @author vivek.mishra
* junit to test blob type over collection data type(e.g. Map,List and Set)
*
*/
public class CollectionTest
{
private EntityManagerFactory emf;
private EntityManager em;
@Before
public void setUp() throws Exception
{
CassandraCli.cassandraSetUp();
Map<String, String> propertyMap = new HashMap<String, String>();
propertyMap.put(CassandraConstants.CQL_VERSION, CassandraConstants.CQL_VERSION_3_0);
emf = Persistence.createEntityManagerFactory("cassandra_pu", propertyMap);
em = emf.createEntityManager();
}
@Test
public void test()
{
Map<String, byte[]> byteCollection = new HashMap<String, byte[]>();
ObjectAccessor accessor = new ObjectAccessor();
accessor.toBytes(10);
byteCollection.put("key1", accessor.toBytes(10));
byteCollection.put("key2", accessor.toBytes(11));
EntityWithCollection entity = new EntityWithCollection();
entity.setId("entityId1");
entity.setDataMap(byteCollection);
em.persist(entity); // persist entity.
em.clear();
EntityWithCollection result = em.find(EntityWithCollection.class, "entityId1");
Assert.assertNotNull(result);
byte[] bytes = result.getDataMap().get("key1");
Object value = PropertyAccessorHelper.getObject(Object.class, bytes);
Assert.assertEquals(10, value);
// set list
List<byte[]> listAsBytes= new ArrayList<byte[]>();
UUID randomId = UUID.randomUUID();
listAsBytes.add("Vivek".getBytes());
listAsBytes.add(new UUIDAccessor().toBytes(randomId));
result.setListAsBytes(listAsBytes);
em.merge(result); // merge with list as bytes.
em.clear(); // clear from cache.
result = em.find(EntityWithCollection.class, "entityId1");
Assert.assertNotNull(result);
assertOnList(result, randomId);
Set<byte[]> setAsBytes = new HashSet<byte[]>();
setAsBytes.add("Vivek".getBytes());
setAsBytes.add(new UUIDAccessor().toBytes(randomId));
result.setSetAsBytes(setAsBytes);
em.merge(result); // merge with list as bytes.
em.clear();
result = em.find(EntityWithCollection.class, "entityId1");
Assert.assertNotNull(result);
assertOnList(result, randomId);
Set<byte[]> resultAsBytes = result.getSetAsBytes();
// on set type.
for(byte[] recInBytes : resultAsBytes)
{
assertBytes(randomId, recInBytes);
}
// on set type.
}
@After
public void tearDown()
{
CassandraCli.dropKeySpace("KunderaTests");
if(em != null)
{
em.close();
}
if(emf != null)
{
emf.close();
}
}
private void assertOnList(EntityWithCollection result, UUID randomId)
{
List<byte[]> lst = result.getListAsBytes();
Assert.assertFalse(lst.isEmpty());
Assert.assertEquals(2, lst.size());
for (byte[] recInBytes : lst)
{
assertBytes(randomId, recInBytes);
}
}
private void assertBytes(UUID randomId, byte[] recInBytes)
{
try
{
String str = (String) PropertyAccessorHelper.getObject(String.class, recInBytes);
if(!str.equals("Vivek")) // string record is already compared
{
UUIDAccessor uuidAccessor = new UUIDAccessor();
UUID recAsUUID = uuidAccessor.fromBytes(UUID.class, recInBytes);
Assert.assertEquals(randomId, recAsUUID);
}
}
catch (Exception e)
{
Assert.fail();
}
}
}