001/*
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *     http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018package org.apache.hadoop.hbase;
019
020import static org.junit.Assert.assertEquals;
021
022import java.util.List;
023import org.apache.hadoop.hbase.testclassification.MiscTests;
024import org.apache.hadoop.hbase.testclassification.SmallTests;
025import org.junit.ClassRule;
026import org.junit.Test;
027import org.junit.experimental.categories.Category;
028
029@Category({ MiscTests.class, SmallTests.class })
030public class TestTagUtil {
031
032  @ClassRule
033  public static final HBaseClassTestRule CLASS_RULE =
034    HBaseClassTestRule.forClass(TestTagUtil.class);
035
036  @Test
037  public void testCarryForwardTTLTag() throws Exception {
038    // No tags so far and the TTL tag must get added to the Tags list
039    long ttl = 10 * 1000;
040    List<Tag> tags = TagUtil.carryForwardTTLTag(null, ttl);
041    assertEquals(1, tags.size());
042    Tag ttlTag = tags.get(0);
043    assertEquals(TagType.TTL_TAG_TYPE, ttlTag.getType());
044    assertEquals(ttl, Tag.getValueAsLong(ttlTag));
045    // Already having a TTL tag in the list. So the call must remove the old tag
046    long ttl2 = 30 * 1000;
047    tags = TagUtil.carryForwardTTLTag(tags, ttl2);
048    assertEquals(1, tags.size());
049    ttlTag = tags.get(0);
050    assertEquals(TagType.TTL_TAG_TYPE, ttlTag.getType());
051    assertEquals(ttl2, Tag.getValueAsLong(ttlTag));
052  }
053}