TestQueryWithCache.java

package org.tests.basic;

import io.ebean.BaseTestCase;
import io.ebean.Ebean;
import io.ebean.Query;
import io.ebean.cache.ServerCache;
import io.ebean.cache.ServerCacheManager;
import io.ebeaninternal.api.SpiEbeanServer;
import io.ebeaninternal.server.core.CacheOptions;
import io.ebeaninternal.server.deploy.BeanDescriptor;
import org.tests.model.basic.Country;
import org.tests.model.basic.ResetBasicData;
import org.junit.Test;

import static org.assertj.core.api.Assertions.assertThat;
import static org.junit.Assert.*;

public class TestQueryWithCache extends BaseTestCase {

  @Test
  public void testCountryDeploy() {

    ResetBasicData.reset();

    SpiEbeanServer server = (SpiEbeanServer) Ebean.getServer(null);
    BeanDescriptor<Country> beanDescriptor = server.getBeanDescriptor(Country.class);
    CacheOptions cacheOptions = beanDescriptor.getCacheOptions();

    assertNotNull(cacheOptions);
    assertTrue(cacheOptions.isReadOnly());
    assertTrue(beanDescriptor.isCacheSharableBeans());

    ServerCacheManager serverCacheManager = server.getServerCacheManager();
    serverCacheManager.clear(Country.class);

    ServerCache beanCache = serverCacheManager.getBeanCache(Country.class);
    assertEquals(0, beanCache.size());

    Country nz1 = Ebean.getReference(Country.class, "NZ");
    assertEquals(0, beanCache.size());

    // has the effect of loading the cache via lazy loading
    nz1.getName();
    assertEquals(1, beanCache.size());

    Country nz2 = Ebean.getReference(Country.class, "NZ");
    Country nz2b = Ebean.getReference(Country.class, "NZ");

    Country nz3 = Ebean.find(Country.class, "NZ");

    Country nz4 = Ebean.find(Country.class).setId("NZ").setAutoTune(false).setUseCache(false)
      .findOne();

    assertTrue(nz2 == nz2b);
    assertTrue(nz2 == nz3);
    assertTrue(nz3 != nz4);

  }

  @Test
  public void testSkipCache() {

    ResetBasicData.reset();

    Ebean.find(Country.class, "NZ");

    Query<Country> query = Ebean.find(Country.class).setId("NZ").setUseCache(false);
    query.findOne();

    assertThat(query.getGeneratedSql()).isNotNull();
  }

}