| /* |
| * 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.accumulo.core.util; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertNotNull; |
| import static org.junit.Assert.assertTrue; |
| import static org.junit.Assert.fail; |
| |
| import java.util.HashSet; |
| import java.util.Map; |
| import java.util.Set; |
| |
| import org.apache.accumulo.core.conf.ConfigurationCopy; |
| import org.apache.accumulo.core.data.ArrayByteSequence; |
| import org.apache.accumulo.core.data.ByteSequence; |
| import org.apache.accumulo.core.util.LocalityGroupUtil.LocalityGroupConfigurationError; |
| import org.apache.hadoop.io.Text; |
| import org.junit.Test; |
| |
| public class LocalityGroupUtilTest { |
| |
| @Test |
| public void testColumnFamilySet() { |
| |
| ConfigurationCopy conf = new ConfigurationCopy(); |
| conf.set("table.group.lg1", "cf1,cf2"); |
| conf.set("table.groups.enabled", "lg1"); |
| try { |
| Map<String,Set<ByteSequence>> groups = LocalityGroupUtil.getLocalityGroups(conf); |
| assertEquals(1, groups.size()); |
| assertNotNull(groups.get("lg1")); |
| assertEquals(2, groups.get("lg1").size()); |
| assertTrue(groups.get("lg1").contains(new ArrayByteSequence("cf1"))); |
| } catch (LocalityGroupConfigurationError err) { |
| fail(); |
| } |
| try { |
| conf.set("table.group.lg2", "cf1"); |
| conf.set("table.groups.enabled", "lg1,lg2"); |
| LocalityGroupUtil.getLocalityGroups(conf); |
| fail(); |
| } catch (LocalityGroupConfigurationError err) { |
| // expected, ignore |
| } |
| } |
| |
| @Test |
| public void testEncoding() throws Exception { |
| byte[] test1 = new byte[256]; |
| byte[] test2 = new byte[256]; |
| for (int i = 0; i < 256; i++) { |
| test1[i] = (byte) (0xff & i); |
| test2[i] = (byte) (0xff & (255 - i)); |
| } |
| |
| ArrayByteSequence bs1 = new ArrayByteSequence(test1); |
| |
| String ecf = LocalityGroupUtil.encodeColumnFamily(bs1); |
| |
| // System.out.println(ecf); |
| |
| ByteSequence bs2 = LocalityGroupUtil.decodeColumnFamily(ecf); |
| |
| assertEquals(bs1, bs2); |
| assertEquals(ecf, LocalityGroupUtil.encodeColumnFamily(bs2)); |
| |
| // test encoding multiple column fams containing binary data |
| HashSet<Text> in = new HashSet<>(); |
| HashSet<ByteSequence> in2 = new HashSet<>(); |
| in.add(new Text(test1)); |
| in2.add(new ArrayByteSequence(test1)); |
| in.add(new Text(test2)); |
| in2.add(new ArrayByteSequence(test2)); |
| Set<ByteSequence> out = |
| LocalityGroupUtil.decodeColumnFamilies(LocalityGroupUtil.encodeColumnFamilies(in)); |
| |
| assertEquals(in2, out); |
| } |
| |
| } |