/*
* 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.phoenix.hbase.index.covered.filter;
import static org.junit.Assert.assertEquals;
import org.apache.hadoop.hbase.KeyValue;
import org.apache.hadoop.hbase.filter.Filter.ReturnCode;
import org.apache.hadoop.hbase.util.Bytes;
import org.apache.phoenix.hbase.index.covered.filter.FamilyOnlyFilter;
import org.junit.Test;
/**
* Test that the family only filter only allows a single family through
*/
public class TestFamilyOnlyFilter {
byte[] row = new byte[] { 'a' };
byte[] qual = new byte[] { 'b' };
byte[] val = Bytes.toBytes("val");
@Test
public void testPassesFirstFamily() {
byte[] fam = Bytes.toBytes("fam");
byte[] fam2 = Bytes.toBytes("fam2");
FamilyOnlyFilter filter = new FamilyOnlyFilter(fam);
KeyValue kv = new KeyValue(row, fam, qual, 10, val);
ReturnCode code = filter.filterKeyValue(kv);
assertEquals("Didn't pass matching family!", ReturnCode.INCLUDE, code);
kv = new KeyValue(row, fam2, qual, 10, val);
code = filter.filterKeyValue(kv);
assertEquals("Didn't filter out non-matching family!", ReturnCode.SKIP, code);
}
@Test
public void testPassesTargetFamilyAsNonFirstFamily() {
byte[] fam = Bytes.toBytes("fam");
byte[] fam2 = Bytes.toBytes("fam2");
byte[] fam3 = Bytes.toBytes("way_after_family");
FamilyOnlyFilter filter = new FamilyOnlyFilter(fam2);
KeyValue kv = new KeyValue(row, fam, qual, 10, val);
ReturnCode code = filter.filterKeyValue(kv);
assertEquals("Didn't filter out non-matching family!", ReturnCode.SKIP, code);
kv = new KeyValue(row, fam2, qual, 10, val);
code = filter.filterKeyValue(kv);
assertEquals("Didn't pass matching family", ReturnCode.INCLUDE, code);
kv = new KeyValue(row, fam3, qual, 10, val);
code = filter.filterKeyValue(kv);
assertEquals("Didn't filter out non-matching family!", ReturnCode.SKIP, code);
}
@Test
public void testResetFilter() {
byte[] fam = Bytes.toBytes("fam");
byte[] fam2 = Bytes.toBytes("fam2");
byte[] fam3 = Bytes.toBytes("way_after_family");
FamilyOnlyFilter filter = new FamilyOnlyFilter(fam2);
KeyValue kv = new KeyValue(row, fam, qual, 10, val);
ReturnCode code = filter.filterKeyValue(kv);
assertEquals("Didn't filter out non-matching family!", ReturnCode.SKIP, code);
KeyValue accept = new KeyValue(row, fam2, qual, 10, val);
code = filter.filterKeyValue(accept);
assertEquals("Didn't pass matching family", ReturnCode.INCLUDE, code);
kv = new KeyValue(row, fam3, qual, 10, val);
code = filter.filterKeyValue(kv);
assertEquals("Didn't filter out non-matching family!", ReturnCode.SKIP, code);
// we shouldn't match the family again - everything after a switched family should be ignored
code = filter.filterKeyValue(accept);
assertEquals("Should have skipped a 'matching' family if it arrives out of order",
ReturnCode.SKIP, code);
// reset the filter and we should accept it again
filter.reset();
code = filter.filterKeyValue(accept);
assertEquals("Didn't pass matching family after reset", ReturnCode.INCLUDE, code);
}
}