client/src/test/java/com/metamx/druid/ResultGranularTimestampComparatorTest.java

/*
 * Druid - a distributed column store.
 * Copyright (C) 2012  Metamarkets Group Inc.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */

package com.metamx.druid;

import com.metamx.druid.result.Result;
import org.joda.time.DateTime;
import org.junit.Assert;
import org.junit.Test;

/**
 */
public class ResultGranularTimestampComparatorTest
{
  private final DateTime time = new DateTime("2011-11-11");

  @Test
  public void testCompareAll()
  {
    Result<Object> r1 = new Result<Object>(time, null);
    Result<Object> r2 = new Result<Object>(time.plusYears(5), null);

    Assert.assertEquals(new ResultGranularTimestampComparator<Object>(QueryGranularity.ALL).compare(r1, r2), 0);
  }

  @Test
  public void testCompareDay()
  {
    Result<Object> res = new Result<Object>(time, null);
    Result<Object> same = new Result<Object>(time.plusHours(12), null);
    Result<Object> greater = new Result<Object>(time.plusHours(25), null);
    Result<Object> less = new Result<Object>(time.minusHours(1), null);

    QueryGranularity day = QueryGranularity.DAY;
    Assert.assertEquals(new ResultGranularTimestampComparator<Object>(day).compare(res, same), 0);
    Assert.assertEquals(new ResultGranularTimestampComparator<Object>(day).compare(res, greater), -1);
    Assert.assertEquals(new ResultGranularTimestampComparator<Object>(day).compare(res, less), 1);
  }
  
  @Test
  public void testCompareHour()
  {
    Result<Object> res = new Result<Object>(time, null);
    Result<Object> same = new Result<Object>(time.plusMinutes(55), null);
    Result<Object> greater = new Result<Object>(time.plusHours(1), null);
    Result<Object> less = new Result<Object>(time.minusHours(1), null);

    QueryGranularity hour = QueryGranularity.HOUR;
    Assert.assertEquals(new ResultGranularTimestampComparator<Object>(hour).compare(res, same), 0);
    Assert.assertEquals(new ResultGranularTimestampComparator<Object>(hour).compare(res, greater), -1);
    Assert.assertEquals(new ResultGranularTimestampComparator<Object>(hour).compare(res, less), 1);
  }
}