ebean/src/test/java/com/avaje/tests/cache/TestQueryCache.java

package com.avaje.tests.cache;

import java.util.List;

import org.junit.Assert;
import org.junit.Test;

import com.avaje.ebean.BaseTestCase;
import com.avaje.ebean.Ebean;
import com.avaje.ebean.bean.BeanCollection;
import com.avaje.ebean.cache.ServerCache;
import com.avaje.tests.model.basic.Customer;
import com.avaje.tests.model.basic.ResetBasicData;

public class TestQueryCache extends BaseTestCase {

  @Test
  @SuppressWarnings("unchecked")
  public void test() {

    ResetBasicData.reset();

    ServerCache customerCache = Ebean.getServerCacheManager().getQueryCache(Customer.class);
    customerCache.clear();

    List<Customer> list = Ebean.find(Customer.class).setUseQueryCache(true).setReadOnly(true).where()
        .ilike("name", "Rob").findList();

    BeanCollection<Customer> bc = (BeanCollection<Customer>) list;
    Assert.assertFalse(bc.isReadOnly());
    Assert.assertFalse(bc.isEmpty());
    Assert.assertTrue(!list.isEmpty());
    Assert.assertTrue(Ebean.getBeanState(list.get(0)).isReadOnly());

    List<Customer> list2 = Ebean.find(Customer.class).setUseQueryCache(true).setReadOnly(true).where()
        .ilike("name", "Rob").findList();

    List<Customer> list2B = Ebean.find(Customer.class).setUseQueryCache(true)
    // .setReadOnly(true)
        .where().ilike("name", "Rob").findList();

    Assert.assertSame(list, list2);

    // readOnly defaults to true for query cache
    Assert.assertSame(list, list2B);

    
    // TODO: At this stage setReadOnly(false) does not
    // create a shallow copy of the List/Set/Map
    
//    List<Customer> list3 = Ebean.find(Customer.class).setUseQueryCache(true).setReadOnly(false).where()
//        .ilike("name", "Rob").findList();
//    
//    Assert.assertNotSame(list, list3);
//    BeanCollection<Customer> bc3 = (BeanCollection<Customer>) list3;
//    Assert.assertFalse(bc3.isReadOnly());
//    Assert.assertFalse(bc3.isEmpty());
//    Assert.assertTrue(list3.size() > 0);
//    Assert.assertFalse(Ebean.getBeanState(list3.get(0)).isReadOnly());

  }

}