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.assertEquals; 021import static org.junit.Assert.assertFalse; 022import static org.junit.Assert.assertTrue; 023 024import java.util.ArrayList; 025import java.util.List; 026import org.apache.hadoop.hbase.Cell; 027import org.apache.hadoop.hbase.CellComparatorImpl; 028import org.apache.hadoop.hbase.CompareOperator; 029import org.apache.hadoop.hbase.HBaseClassTestRule; 030import org.apache.hadoop.hbase.KeyValue; 031import org.apache.hadoop.hbase.testclassification.FilterTests; 032import org.apache.hadoop.hbase.testclassification.SmallTests; 033import org.apache.hadoop.hbase.util.Bytes; 034import org.junit.ClassRule; 035import org.junit.Test; 036import org.junit.experimental.categories.Category; 037 038/** 039 * Tests for {@link SingleColumnValueExcludeFilter}. Because this filter 040 * extends {@link SingleColumnValueFilter}, only the added functionality is 041 * tested. That is, method filterCell(Cell). 042 * 043 */ 044@Category({FilterTests.class, SmallTests.class}) 045public class TestSingleColumnValueExcludeFilter { 046 047 @ClassRule 048 public static final HBaseClassTestRule CLASS_RULE = 049 HBaseClassTestRule.forClass(TestSingleColumnValueExcludeFilter.class); 050 051 private static final byte[] ROW = Bytes.toBytes("test"); 052 private static final byte[] COLUMN_FAMILY = Bytes.toBytes("test"); 053 private static final byte[] COLUMN_QUALIFIER = Bytes.toBytes("foo"); 054 private static final byte[] COLUMN_QUALIFIER_2 = Bytes.toBytes("foo_2"); 055 private static final byte[] VAL_1 = Bytes.toBytes("a"); 056 private static final byte[] VAL_2 = Bytes.toBytes("ab"); 057 058 /** 059 * Test the overridden functionality of filterCell(Cell) 060 * @throws Exception 061 */ 062 @Test 063 public void testFilterCell() throws Exception { 064 Filter filter = new SingleColumnValueExcludeFilter(COLUMN_FAMILY, COLUMN_QUALIFIER, 065 CompareOperator.EQUAL, VAL_1); 066 067 // A 'match' situation 068 List<Cell> kvs = new ArrayList<>(); 069 KeyValue c = new KeyValue(ROW, COLUMN_FAMILY, COLUMN_QUALIFIER_2, VAL_1); 070 071 kvs.add (new KeyValue(ROW, COLUMN_FAMILY, COLUMN_QUALIFIER_2, VAL_1)); 072 kvs.add (new KeyValue(ROW, COLUMN_FAMILY, COLUMN_QUALIFIER, VAL_1)); 073 kvs.add (new KeyValue(ROW, COLUMN_FAMILY, COLUMN_QUALIFIER_2, VAL_1)); 074 075 filter.filterRowCells(kvs); 076 077 assertEquals("resultSize", 2, kvs.size()); 078 assertTrue("leftKV1", CellComparatorImpl.COMPARATOR.compare(kvs.get(0), c) == 0); 079 assertTrue("leftKV2", CellComparatorImpl.COMPARATOR.compare(kvs.get(1), c) == 0); 080 assertFalse("allRemainingWhenMatch", filter.filterAllRemaining()); 081 082 // A 'mismatch' situation 083 filter.reset(); 084 // INCLUDE expected because test column has not yet passed 085 c = new KeyValue(ROW, COLUMN_FAMILY, COLUMN_QUALIFIER_2, VAL_1); 086 assertTrue("otherColumn", filter.filterCell(c) == Filter.ReturnCode.INCLUDE); 087 // Test column will pass (wont match), expect NEXT_ROW 088 c = new KeyValue(ROW, COLUMN_FAMILY, COLUMN_QUALIFIER, VAL_2); 089 assertTrue("testedMismatch", filter.filterCell(c) == Filter.ReturnCode.NEXT_ROW); 090 // After a mismatch (at least with LatestVersionOnly), subsequent columns are EXCLUDE 091 c = new KeyValue(ROW, COLUMN_FAMILY, COLUMN_QUALIFIER_2, VAL_1); 092 assertTrue("otherColumn", filter.filterCell(c) == Filter.ReturnCode.NEXT_ROW); 093 } 094 095 096} 097