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.filter; 019 020import static org.junit.Assert.*; 021 022import java.io.IOException; 023import java.util.ArrayList; 024import java.util.List; 025import org.apache.hadoop.conf.Configuration; 026import org.apache.hadoop.hbase.Cell; 027import org.apache.hadoop.hbase.CellUtil; 028import org.apache.hadoop.hbase.CompareOperator; 029import org.apache.hadoop.hbase.HBaseClassTestRule; 030import org.apache.hadoop.hbase.HBaseConfiguration; 031import org.apache.hadoop.hbase.HBaseTestingUtility; 032import org.apache.hadoop.hbase.HColumnDescriptor; 033import org.apache.hadoop.hbase.HConstants; 034import org.apache.hadoop.hbase.HTableDescriptor; 035import org.apache.hadoop.hbase.MasterNotRunningException; 036import org.apache.hadoop.hbase.TableName; 037import org.apache.hadoop.hbase.ZooKeeperConnectionException; 038import org.apache.hadoop.hbase.client.Admin; 039import org.apache.hadoop.hbase.client.Connection; 040import org.apache.hadoop.hbase.client.ConnectionFactory; 041import org.apache.hadoop.hbase.client.Put; 042import org.apache.hadoop.hbase.client.Result; 043import org.apache.hadoop.hbase.client.ResultScanner; 044import org.apache.hadoop.hbase.client.Scan; 045import org.apache.hadoop.hbase.client.Table; 046import org.apache.hadoop.hbase.testclassification.FilterTests; 047import org.apache.hadoop.hbase.testclassification.MediumTests; 048import org.apache.hadoop.hbase.util.Bytes; 049import org.junit.AfterClass; 050import org.junit.BeforeClass; 051import org.junit.ClassRule; 052import org.junit.Test; 053import org.junit.experimental.categories.Category; 054import org.slf4j.Logger; 055import org.slf4j.LoggerFactory; 056 057/** 058 * Test if the FilterWrapper retains the same semantics defined in the 059 * {@link org.apache.hadoop.hbase.filter.Filter} 060 */ 061@Category({ FilterTests.class, MediumTests.class }) 062public class TestFilterWrapper { 063 064 @ClassRule 065 public static final HBaseClassTestRule CLASS_RULE = 066 HBaseClassTestRule.forClass(TestFilterWrapper.class); 067 068 private static final Logger LOG = LoggerFactory.getLogger(TestFilterWrapper.class); 069 070 private static final HBaseTestingUtility TEST_UTIL = new HBaseTestingUtility(); 071 private static Configuration conf = null; 072 private static Admin admin = null; 073 private static TableName name = TableName.valueOf("test"); 074 private static Connection connection; 075 076 @Test 077 public void testFilterWrapper() { 078 int kv_number = 0; 079 int row_number = 0; 080 try { 081 Scan scan = new Scan(); 082 List<Filter> fs = new ArrayList<>(); 083 084 DependentColumnFilter f1 = new DependentColumnFilter(Bytes.toBytes("f1"), Bytes.toBytes("c5"), 085 true, CompareOperator.EQUAL, new SubstringComparator("c5")); 086 PageFilter f2 = new PageFilter(2); 087 fs.add(f1); 088 fs.add(f2); 089 FilterList filter = new FilterList(fs); 090 091 scan.setFilter(filter); 092 Table table = connection.getTable(name); 093 ResultScanner scanner = table.getScanner(scan); 094 095 // row2 (c1-c4) and row3(c1-c4) are returned 096 for (Result result : scanner) { 097 row_number++; 098 for (Cell kv : result.listCells()) { 099 LOG.debug(kv_number + ". kv: " + kv); 100 kv_number++; 101 assertEquals("Returned row is not correct", new String(CellUtil.cloneRow(kv)), 102 "row" + (row_number + 1)); 103 } 104 } 105 106 scanner.close(); 107 table.close(); 108 } catch (Exception e) { 109 // no correct result is expected 110 assertNull("Exception happens in scan", e); 111 } 112 LOG.debug("check the fetched kv number"); 113 assertEquals("We should get 8 results returned.", 8, kv_number); 114 assertEquals("We should get 2 rows returned", 2, row_number); 115 } 116 117 private static void prepareData() { 118 try { 119 Table table = connection.getTable(name); 120 assertTrue("Fail to create the table", admin.tableExists(name)); 121 List<Put> puts = new ArrayList<>(); 122 123 // row1 => <f1:c1, 1_c1, ts=1>, <f1:c2, 1_c2, ts=2>, <f1:c3, 1_c3,ts=3>, 124 // <f1:c4,1_c4, ts=4>, <f1:c5, 1_c5, ts=5> 125 // row2 => <f1:c1, 2_c1, ts=2>, <f1,c2, 2_c2, ts=2>, <f1:c3, 2_c3,ts=2>, 126 // <f1:c4,2_c4, ts=2>, <f1:c5, 2_c5, ts=2> 127 // row3 => <f1:c1, 3_c1, ts=3>, <f1:c2, 3_c2, ts=3>, <f1:c3, 3_c3,ts=2>, 128 // <f1:c4,3_c4, ts=3>, <f1:c5, 3_c5, ts=3> 129 for (int i = 1; i < 4; i++) { 130 Put put = new Put(Bytes.toBytes("row" + i)); 131 for (int j = 1; j < 6; j++) { 132 long timestamp = j; 133 if (i != 1) timestamp = i; 134 put.addColumn(Bytes.toBytes("f1"), Bytes.toBytes("c" + j), timestamp, 135 Bytes.toBytes(i + "_c" + j)); 136 } 137 puts.add(put); 138 } 139 140 table.put(puts); 141 table.close(); 142 } catch (IOException e) { 143 assertNull("Exception found while putting data into table", e); 144 } 145 } 146 147 private static void createTable() { 148 assertNotNull("HBaseAdmin is not initialized successfully.", admin); 149 if (admin != null) { 150 151 HTableDescriptor desc = new HTableDescriptor(name); 152 HColumnDescriptor coldef = new HColumnDescriptor(Bytes.toBytes("f1")); 153 desc.addFamily(coldef); 154 155 try { 156 admin.createTable(desc); 157 assertTrue("Fail to create the table", admin.tableExists(name)); 158 } catch (IOException e) { 159 assertNull("Exception found while creating table", e); 160 } 161 162 } 163 } 164 165 private static void deleteTable() { 166 if (admin != null) { 167 try { 168 admin.disableTable(name); 169 admin.deleteTable(name); 170 } catch (IOException e) { 171 assertNull("Exception found deleting the table", e); 172 } 173 } 174 } 175 176 private static void initialize(Configuration conf) { 177 TestFilterWrapper.conf = HBaseConfiguration.create(conf); 178 TestFilterWrapper.conf.setInt(HConstants.HBASE_CLIENT_RETRIES_NUMBER, 1); 179 try { 180 connection = ConnectionFactory.createConnection(TestFilterWrapper.conf); 181 admin = TEST_UTIL.getAdmin(); 182 } catch (MasterNotRunningException e) { 183 assertNull("Master is not running", e); 184 } catch (ZooKeeperConnectionException e) { 185 assertNull("Cannot connect to ZooKeeper", e); 186 } catch (IOException e) { 187 assertNull("Caught IOException", e); 188 } 189 createTable(); 190 prepareData(); 191 } 192 193 @BeforeClass 194 public static void setUp() throws Exception { 195 TEST_UTIL.startMiniCluster(1); 196 initialize(TEST_UTIL.getConfiguration()); 197 } 198 199 @AfterClass 200 public static void tearDown() throws Exception { 201 deleteTable(); 202 connection.close(); 203 TEST_UTIL.shutdownMiniCluster(); 204 } 205 206}