TestTimestampRoundDownUtil.java

/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 org.apache.flume.tools;


import java.util.Calendar;

import junit.framework.Assert;

import org.junit.Test;

public class TestTimestampRoundDownUtil {

  @Test
  public void testRoundDownTimeStampSeconds() {
    Calendar cal = Calendar.getInstance();
    cal.clear();
    cal.set(2012, 5, 15, 15, 12, 54);
    cal.set(Calendar.MILLISECOND, 20);
    Calendar cal2 = Calendar.getInstance();
    cal2.clear();
    cal2.set(2012, 5, 15, 15, 12, 0);
    cal2.set(Calendar.MILLISECOND, 0);
    long timeToVerify = cal2.getTimeInMillis();
    long ret = TimestampRoundDownUtil.
        roundDownTimeStampSeconds(cal.getTimeInMillis(), 60);
    System.out.println("Cal 1: " + cal.toString());
    System.out.println("Cal 2: " + cal2.toString());
    Assert.assertEquals(timeToVerify, ret);
  }

  @Test
  public void testRoundDownTimeStampMinutes() {
    Calendar cal = Calendar.getInstance();
    cal.clear();
    cal.set(2012, 5, 15, 15, 12, 54);
    cal.set(Calendar.MILLISECOND, 20);
    Calendar cal2 = Calendar.getInstance();
    cal2.clear();
    cal2.set(2012, 5, 15, 15, 10, 0);
    cal2.set(Calendar.MILLISECOND, 0);
    long timeToVerify = cal2.getTimeInMillis();
    long ret = TimestampRoundDownUtil.
        roundDownTimeStampMinutes(cal.getTimeInMillis(), 5);
    System.out.println("Cal 1: " + cal.toString());
    System.out.println("Cal 2: " + cal2.toString());
    Assert.assertEquals(timeToVerify, ret);
  }

  @Test
  public void testRoundDownTimeStampHours() {
    Calendar cal = Calendar.getInstance();
    cal.clear();
    cal.set(2012, 5, 15, 15, 12, 54);
    cal.set(Calendar.MILLISECOND, 20);
    Calendar cal2 = Calendar.getInstance();
    cal2.clear();
    cal2.set(2012, 5, 15, 14, 0, 0);
    cal2.set(Calendar.MILLISECOND, 0);
    long timeToVerify = cal2.getTimeInMillis();
    long ret = TimestampRoundDownUtil.
        roundDownTimeStampHours(cal.getTimeInMillis(), 2);
    System.out.println("Cal 1: " + ret);
    System.out.println("Cal 2: " + cal2.toString());
    Assert.assertEquals(timeToVerify, ret);
  }

}