/**
*
* 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.filter;
import org.apache.hadoop.hbase.KeyValue;
import org.apache.hadoop.hbase.SmallTests;
import org.apache.hadoop.hbase.filter.CompareFilter.CompareOp;
import org.apache.hadoop.hbase.util.Bytes;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import static org.junit.Assert.*;
import java.util.List;
import java.util.ArrayList;
/**
* Tests for {@link SingleColumnValueExcludeFilter}. Because this filter
* extends {@link SingleColumnValueFilter}, only the added functionality is
* tested. That is, method filterKeyValue(KeyValue).
*
*/
@Category(SmallTests.class)
public class TestSingleColumnValueExcludeFilter {
private static final byte[] ROW = Bytes.toBytes("test");
private static final byte[] COLUMN_FAMILY = Bytes.toBytes("test");
private static final byte[] COLUMN_QUALIFIER = Bytes.toBytes("foo");
private static final byte[] COLUMN_QUALIFIER_2 = Bytes.toBytes("foo_2");
private static final byte[] VAL_1 = Bytes.toBytes("a");
private static final byte[] VAL_2 = Bytes.toBytes("ab");
/**
* Test the overridden functionality of filterKeyValue(KeyValue)
* @throws Exception
*/
@Test
public void testFilterKeyValue() throws Exception {
Filter filter = new SingleColumnValueExcludeFilter(COLUMN_FAMILY, COLUMN_QUALIFIER,
CompareOp.EQUAL, VAL_1);
// A 'match' situation
List<KeyValue> kvs = new ArrayList<KeyValue>();
KeyValue kv = new KeyValue(ROW, COLUMN_FAMILY, COLUMN_QUALIFIER_2, VAL_1);
kvs.add (new KeyValue(ROW, COLUMN_FAMILY, COLUMN_QUALIFIER_2, VAL_1));
kvs.add (new KeyValue(ROW, COLUMN_FAMILY, COLUMN_QUALIFIER, VAL_1));
kvs.add (new KeyValue(ROW, COLUMN_FAMILY, COLUMN_QUALIFIER_2, VAL_1));
filter.filterRow(kvs);
assertEquals("resultSize", kvs.size(), 2);
assertTrue("leftKV1", KeyValue.COMPARATOR.compare(kvs.get(0), kv) == 0);
assertTrue("leftKV2", KeyValue.COMPARATOR.compare(kvs.get(1), kv) == 0);
assertFalse("allRemainingWhenMatch", filter.filterAllRemaining());
// A 'mismatch' situation
filter.reset();
// INCLUDE expected because test column has not yet passed
kv = new KeyValue(ROW, COLUMN_FAMILY, COLUMN_QUALIFIER_2, VAL_1);
assertTrue("otherColumn", filter.filterKeyValue(kv) == Filter.ReturnCode.INCLUDE);
// Test column will pass (wont match), expect NEXT_ROW
kv = new KeyValue(ROW, COLUMN_FAMILY, COLUMN_QUALIFIER, VAL_2);
assertTrue("testedMismatch", filter.filterKeyValue(kv) == Filter.ReturnCode.NEXT_ROW);
// After a mismatch (at least with LatestVersionOnly), subsequent columns are EXCLUDE
kv = new KeyValue(ROW, COLUMN_FAMILY, COLUMN_QUALIFIER_2, VAL_1);
assertTrue("otherColumn", filter.filterKeyValue(kv) == Filter.ReturnCode.NEXT_ROW);
}
}