import static com.google.appengine.api.datastore.FetchOptions.Builder.withLimit;
import static org.junit.Assert.assertEquals;

import com.google.appengine.api.datastore.DatastoreService;
import com.google.appengine.api.datastore.DatastoreServiceFactory;
import com.google.appengine.api.datastore.Entity;
import com.google.appengine.api.datastore.Query;
import com.google.appengine.tools.development.testing.LocalDatastoreServiceTestConfig;
import com.google.appengine.tools.development.testing.LocalServiceTestHelper;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;

public class LocalDatastoreTest {

  private final LocalServiceTestHelper helper =
      new LocalServiceTestHelper(new LocalDatastoreServiceTestConfig());

  @Before
  public void setUp() {
    helper.setUp();
  }

  @After
  public void tearDown() {
    helper.tearDown();
  }

  private void doTest() {
    DatastoreService ds = DatastoreServiceFactory.getDatastoreService();
    assertEquals(0, ds.prepare(new Query("yam")).countEntities(withLimit(10)));

    ds.put(new Entity("hello"));
    ds.put(new Entity("hello"));
    assertEquals(2, ds.prepare(new Query("hello")).countEntities(withLimit(10)));
  }
}