| /** |
| * 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.util; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertTrue; |
| |
| import org.apache.hadoop.hbase.HBaseClassTestRule; |
| import org.apache.hadoop.hbase.TableName; |
| import org.apache.hadoop.hbase.client.RegionInfoBuilder; |
| import org.apache.hadoop.hbase.testclassification.MiscTests; |
| import org.apache.hadoop.hbase.testclassification.SmallTests; |
| import org.apache.hadoop.hbase.util.HbckRegionInfo.MetaEntry; |
| import org.junit.ClassRule; |
| import org.junit.Test; |
| import org.junit.experimental.categories.Category; |
| |
| /** |
| * Test the comparator used by Hbck. |
| */ |
| @Category({MiscTests.class, SmallTests.class}) |
| public class TestHBaseFsckComparator { |
| |
| @ClassRule |
| public static final HBaseClassTestRule CLASS_RULE = |
| HBaseClassTestRule.forClass(TestHBaseFsckComparator.class); |
| |
| TableName table = |
| TableName.valueOf("table1"); |
| TableName table2 = |
| TableName.valueOf("table2"); |
| byte[] keyStart = Bytes.toBytes(""); |
| byte[] keyA = Bytes.toBytes("A"); |
| byte[] keyB = Bytes.toBytes("B"); |
| byte[] keyC = Bytes.toBytes("C"); |
| byte[] keyEnd = Bytes.toBytes(""); |
| |
| static HbckRegionInfo genHbckInfo(TableName table, byte[] start, byte[] end, int time) { |
| return new HbckRegionInfo(new MetaEntry( |
| RegionInfoBuilder.newBuilder(table).setStartKey(start).setEndKey(end).build(), null, time)); |
| } |
| |
| @Test |
| public void testEquals() { |
| HbckRegionInfo hi1 = genHbckInfo(table, keyA, keyB, 0); |
| HbckRegionInfo hi2 = genHbckInfo(table, keyA, keyB, 0); |
| assertEquals(0, HbckRegionInfo.COMPARATOR.compare(hi1, hi2)); |
| assertEquals(0, HbckRegionInfo.COMPARATOR.compare(hi2, hi1)); |
| } |
| |
| @Test |
| public void testEqualsInstance() { |
| HbckRegionInfo hi1 = genHbckInfo(table, keyA, keyB, 0); |
| HbckRegionInfo hi2 = hi1; |
| assertEquals(0, HbckRegionInfo.COMPARATOR.compare(hi1, hi2)); |
| assertEquals(0, HbckRegionInfo.COMPARATOR.compare(hi2, hi1)); |
| } |
| |
| @Test |
| public void testDiffTable() { |
| HbckRegionInfo hi1 = genHbckInfo(table, keyA, keyC, 0); |
| HbckRegionInfo hi2 = genHbckInfo(table2, keyA, keyC, 0); |
| assertTrue(HbckRegionInfo.COMPARATOR.compare(hi1, hi2) < 0); |
| assertTrue(HbckRegionInfo.COMPARATOR.compare(hi2, hi1) > 0); |
| } |
| |
| @Test |
| public void testDiffStartKey() { |
| HbckRegionInfo hi1 = genHbckInfo(table, keyStart, keyC, 0); |
| HbckRegionInfo hi2 = genHbckInfo(table, keyA, keyC, 0); |
| assertTrue(HbckRegionInfo.COMPARATOR.compare(hi1, hi2) < 0); |
| assertTrue(HbckRegionInfo.COMPARATOR.compare(hi2, hi1) > 0); |
| } |
| |
| @Test |
| public void testDiffEndKey() { |
| HbckRegionInfo hi1 = genHbckInfo(table, keyA, keyB, 0); |
| HbckRegionInfo hi2 = genHbckInfo(table, keyA, keyC, 0); |
| assertTrue(HbckRegionInfo.COMPARATOR.compare(hi1, hi2) < 0); |
| assertTrue(HbckRegionInfo.COMPARATOR.compare(hi2, hi1) > 0); |
| } |
| |
| @Test |
| public void testAbsEndKey() { |
| HbckRegionInfo hi1 = genHbckInfo(table, keyA, keyC, 0); |
| HbckRegionInfo hi2 = genHbckInfo(table, keyA, keyEnd, 0); |
| assertTrue(HbckRegionInfo.COMPARATOR.compare(hi1, hi2) < 0); |
| assertTrue(HbckRegionInfo.COMPARATOR.compare(hi2, hi1) > 0); |
| } |
| } |
| |