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* 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.hadoop.hbase.codec;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import java.util.List;
import org.apache.hadoop.hbase.Cell;
import org.apache.hadoop.hbase.CellComparator;
import org.apache.hadoop.hbase.HConstants;
import org.apache.hadoop.hbase.KeyValue;
import org.apache.hadoop.hbase.Tag;
import org.apache.hadoop.hbase.testclassification.MiscTests;
import org.apache.hadoop.hbase.testclassification.SmallTests;
import org.apache.hadoop.hbase.util.Bytes;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import com.google.common.io.CountingInputStream;
import com.google.common.io.CountingOutputStream;
@Category({MiscTests.class, SmallTests.class})
public class TestCellCodecWithTags {
@Test
public void testCellWithTag() throws IOException {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
CountingOutputStream cos = new CountingOutputStream(baos);
DataOutputStream dos = new DataOutputStream(cos);
Codec codec = new CellCodecWithTags();
Codec.Encoder encoder = codec.getEncoder(dos);
final Cell cell1 = new KeyValue(Bytes.toBytes("r"), Bytes.toBytes("f"), Bytes.toBytes("1"),
HConstants.LATEST_TIMESTAMP, Bytes.toBytes("1"), new Tag[] {
new Tag((byte) 1, Bytes.toBytes("teststring1")),
new Tag((byte) 2, Bytes.toBytes("teststring2")) });
final Cell cell2 = new KeyValue(Bytes.toBytes("r"), Bytes.toBytes("f"), Bytes.toBytes("2"),
HConstants.LATEST_TIMESTAMP, Bytes.toBytes("2"), new Tag[] { new Tag((byte) 1,
Bytes.toBytes("teststring3")), });
final Cell cell3 = new KeyValue(Bytes.toBytes("r"), Bytes.toBytes("f"), Bytes.toBytes("3"),
HConstants.LATEST_TIMESTAMP, Bytes.toBytes("3"), new Tag[] {
new Tag((byte) 2, Bytes.toBytes("teststring4")),
new Tag((byte) 2, Bytes.toBytes("teststring5")),
new Tag((byte) 1, Bytes.toBytes("teststring6")) });
encoder.write(cell1);
encoder.write(cell2);
encoder.write(cell3);
encoder.flush();
dos.close();
long offset = cos.getCount();
CountingInputStream cis = new CountingInputStream(new ByteArrayInputStream(baos.toByteArray()));
DataInputStream dis = new DataInputStream(cis);
Codec.Decoder decoder = codec.getDecoder(dis);
assertTrue(decoder.advance());
Cell c = decoder.current();
assertTrue(CellComparator.equals(c, cell1));
List<Tag> tags = Tag.asList(c.getTagsArray(), c.getTagsOffset(), c.getTagsLength());
assertEquals(2, tags.size());
Tag tag = tags.get(0);
assertEquals(1, tag.getType());
assertTrue(Bytes.equals(Bytes.toBytes("teststring1"), tag.getValue()));
tag = tags.get(1);
assertEquals(2, tag.getType());
assertTrue(Bytes.equals(Bytes.toBytes("teststring2"), tag.getValue()));
assertTrue(decoder.advance());
c = decoder.current();
assertTrue(CellComparator.equals(c, cell2));
tags = Tag.asList(c.getTagsArray(), c.getTagsOffset(), c.getTagsLength());
assertEquals(1, tags.size());
tag = tags.get(0);
assertEquals(1, tag.getType());
assertTrue(Bytes.equals(Bytes.toBytes("teststring3"), tag.getValue()));
assertTrue(decoder.advance());
c = decoder.current();
assertTrue(CellComparator.equals(c, cell3));
tags = Tag.asList(c.getTagsArray(), c.getTagsOffset(), c.getTagsLength());
assertEquals(3, tags.size());
tag = tags.get(0);
assertEquals(2, tag.getType());
assertTrue(Bytes.equals(Bytes.toBytes("teststring4"), tag.getValue()));
tag = tags.get(1);
assertEquals(2, tag.getType());
assertTrue(Bytes.equals(Bytes.toBytes("teststring5"), tag.getValue()));
tag = tags.get(2);
assertEquals(1, tag.getType());
assertTrue(Bytes.equals(Bytes.toBytes("teststring6"), tag.getValue()));
assertFalse(decoder.advance());
dis.close();
assertEquals(offset, cis.getCount());
}
}