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.mapred;
019
020import static org.junit.jupiter.api.Assertions.assertEquals;
021import static org.junit.jupiter.api.Assertions.assertNotEquals;
022import static org.junit.jupiter.api.Assertions.assertTrue;
023
024import org.apache.hadoop.hbase.TableName;
025import org.apache.hadoop.hbase.testclassification.MapReduceTests;
026import org.apache.hadoop.hbase.testclassification.SmallTests;
027import org.apache.hadoop.hbase.util.Bytes;
028import org.junit.jupiter.api.Tag;
029import org.junit.jupiter.api.Test;
030import org.junit.jupiter.api.TestInfo;
031
032@Tag(MapReduceTests.TAG)
033@Tag(SmallTests.TAG)
034public class TestSplitTable {
035
036  @Test
037  @SuppressWarnings({ "deprecation", "SelfComparison" })
038  public void testSplitTableCompareTo() {
039    TableSplit aTableSplit = new TableSplit(Bytes.toBytes("tableA"), Bytes.toBytes("aaa"),
040      Bytes.toBytes("ddd"), "locationA");
041
042    TableSplit bTableSplit = new TableSplit(Bytes.toBytes("tableA"), Bytes.toBytes("iii"),
043      Bytes.toBytes("kkk"), "locationA");
044
045    TableSplit cTableSplit = new TableSplit(Bytes.toBytes("tableA"), Bytes.toBytes("lll"),
046      Bytes.toBytes("zzz"), "locationA");
047
048    assertEquals(0, aTableSplit.compareTo(aTableSplit));
049    assertEquals(0, bTableSplit.compareTo(bTableSplit));
050    assertEquals(0, cTableSplit.compareTo(cTableSplit));
051
052    assertTrue(aTableSplit.compareTo(bTableSplit) < 0);
053    assertTrue(bTableSplit.compareTo(aTableSplit) > 0);
054
055    assertTrue(aTableSplit.compareTo(cTableSplit) < 0);
056    assertTrue(cTableSplit.compareTo(aTableSplit) > 0);
057
058    assertTrue(bTableSplit.compareTo(cTableSplit) < 0);
059    assertTrue(cTableSplit.compareTo(bTableSplit) > 0);
060
061    assertTrue(cTableSplit.compareTo(aTableSplit) > 0);
062  }
063
064  @Test
065  @SuppressWarnings("deprecation")
066  public void testSplitTableEquals() {
067    byte[] tableA = Bytes.toBytes("tableA");
068    byte[] aaa = Bytes.toBytes("aaa");
069    byte[] ddd = Bytes.toBytes("ddd");
070    String locationA = "locationA";
071
072    TableSplit tablesplit = new TableSplit(tableA, aaa, ddd, locationA);
073
074    TableSplit tableB = new TableSplit(Bytes.toBytes("tableB"), aaa, ddd, locationA);
075    assertNotEquals(tablesplit.hashCode(), tableB.hashCode());
076    assertNotEquals(tablesplit, tableB);
077
078    TableSplit startBbb = new TableSplit(tableA, Bytes.toBytes("bbb"), ddd, locationA);
079    assertNotEquals(tablesplit.hashCode(), startBbb.hashCode());
080    assertNotEquals(tablesplit, startBbb);
081
082    TableSplit endEee = new TableSplit(tableA, aaa, Bytes.toBytes("eee"), locationA);
083    assertNotEquals(tablesplit.hashCode(), endEee.hashCode());
084    assertNotEquals(tablesplit, endEee);
085
086    TableSplit locationB = new TableSplit(tableA, aaa, ddd, "locationB");
087    assertNotEquals(tablesplit.hashCode(), locationB.hashCode());
088    assertNotEquals(tablesplit, locationB);
089
090    TableSplit same = new TableSplit(tableA, aaa, ddd, locationA);
091    assertEquals(tablesplit.hashCode(), same.hashCode());
092    assertEquals(tablesplit, same);
093  }
094
095  @Test
096  @SuppressWarnings("deprecation")
097  public void testToString(TestInfo testInfo) {
098    TableSplit split = new TableSplit(TableName.valueOf(testInfo.getTestMethod().get().getName()),
099      Bytes.toBytes("row-start"), Bytes.toBytes("row-end"), "location");
100    String str = "HBase table split(table name: " + testInfo.getTestMethod().get().getName()
101      + ", start row: row-start, " + "end row: row-end, region location: location)";
102    assertEquals(str, split.toString());
103
104    split = new TableSplit((TableName) null, null, null, null);
105    str = "HBase table split(table name: null, start row: null, "
106      + "end row: null, region location: null)";
107    assertEquals(str, split.toString());
108  }
109}