/**
* Copyright 2007 The Apache Software Foundation
*
* 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 com.alibaba.wasp.fserver;
import com.alibaba.wasp.EntityGroupInfo;
import com.alibaba.wasp.meta.FTable;
import org.apache.hadoop.hbase.SmallTests;
import org.apache.hadoop.hbase.util.Bytes;
import org.apache.hadoop.hbase.util.MD5Hash;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
@Category(SmallTests.class)
public class TestEntityGroupInfo {
@Test
public void testCreateEntityGroupInfoName() throws Exception {
String tableName = "tablename";
final byte[] tn = Bytes.toBytes(tableName);
String startKey = "startkey";
final byte[] sk = Bytes.toBytes(startKey);
String id = "id";
// old format entityGroup name
byte[] name = EntityGroupInfo.createEntityGroupName(tn, sk, id, false);
String nameStr = Bytes.toString(name);
assertEquals(tableName + "," + startKey + "," + id, nameStr);
// new format entityGroup name.
String md5HashInHex = MD5Hash.getMD5AsHex(name);
assertEquals(EntityGroupInfo.MD5_HEX_LENGTH, md5HashInHex.length());
name = EntityGroupInfo.createEntityGroupName(tn, sk, id, true);
nameStr = Bytes.toString(name);
assertEquals(tableName + "," + startKey + "," + id + "." + md5HashInHex
+ ".", nameStr);
}
@Test
public void testContainsRange() {
FTable table = new FTable();
table.setTableName("testtable");
EntityGroupInfo egi = new EntityGroupInfo(Bytes.toBytes(table
.getTableName()), Bytes.toBytes("a"), Bytes.toBytes("g"));
// Single row range at start of entityGroup
assertTrue(egi.containsRange(Bytes.toBytes("a"), Bytes.toBytes("a")));
// Fully contained range
assertTrue(egi.containsRange(Bytes.toBytes("b"), Bytes.toBytes("c")));
// Range overlapping start of entityGroup
assertTrue(egi.containsRange(Bytes.toBytes("a"), Bytes.toBytes("c")));
// Fully contained single-row range
assertTrue(egi.containsRange(Bytes.toBytes("c"), Bytes.toBytes("c")));
// Range that overlaps end key and hence doesn't fit
assertFalse(egi.containsRange(Bytes.toBytes("a"), Bytes.toBytes("g")));
// Single row range on end key
assertFalse(egi.containsRange(Bytes.toBytes("g"), Bytes.toBytes("g")));
// Single row range entirely outside
assertFalse(egi.containsRange(Bytes.toBytes("z"), Bytes.toBytes("z")));
// Degenerate range
try {
egi.containsRange(Bytes.toBytes("z"), Bytes.toBytes("a"));
fail("Invalid range did not throw IAE");
} catch (IllegalArgumentException iae) {
}
}
@Test
public void testLastEntityGroupCompare() {
FTable table = new FTable();
table.setTableName("testtable");
EntityGroupInfo egip = new EntityGroupInfo(Bytes.toBytes(table
.getTableName()), Bytes.toBytes("a"), new byte[0]);
EntityGroupInfo egic = new EntityGroupInfo(Bytes.toBytes(table
.getTableName()), Bytes.toBytes("a"), Bytes.toBytes("b"));
assertTrue(egip.compareTo(egic) > 0);
}
@Test
public void testComparator() {
byte[] tablename = Bytes.toBytes("comparatorTablename");
byte[] empty = new byte[0];
EntityGroupInfo older = new EntityGroupInfo(tablename, empty, empty, false,
0L);
EntityGroupInfo newer = new EntityGroupInfo(tablename, empty, empty, false,
1L);
assertTrue(older.compareTo(newer) < 0);
assertTrue(newer.compareTo(older) > 0);
assertTrue(older.compareTo(older) == 0);
assertTrue(newer.compareTo(newer) == 0);
}
}