/*
* 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.client.mapreduce;
import static org.junit.Assert.assertEquals;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import org.apache.accumulo.core.client.IteratorSetting;
import org.apache.accumulo.core.client.mapreduce.InputTableConfig;
import org.apache.accumulo.core.data.Range;
import org.apache.accumulo.core.util.Pair;
import org.apache.hadoop.io.Text;
import org.junit.Before;
import org.junit.Test;
public class InputTableConfigTest {
private InputTableConfig tableQueryConfig;
@Before
public void setUp() {
tableQueryConfig = new InputTableConfig();
}
@Test
public void testSerialization_OnlyTable() throws IOException {
byte[] serialized = serialize(tableQueryConfig);
InputTableConfig actualConfig = deserialize(serialized);
assertEquals(tableQueryConfig, actualConfig);
}
@Test
public void testSerialization_ranges() throws IOException {
List<Range> ranges = new ArrayList<Range>();
ranges.add(new Range("a", "b"));
ranges.add(new Range("c", "d"));
tableQueryConfig.setRanges(ranges);
byte[] serialized = serialize(tableQueryConfig);
InputTableConfig actualConfig = deserialize(serialized);
assertEquals(ranges, actualConfig.getRanges());
}
@Test
public void testSerialization_columns() throws IOException {
Set<Pair<Text,Text>> columns = new HashSet<Pair<Text,Text>>();
columns.add(new Pair<Text,Text>(new Text("cf1"), new Text("cq1")));
columns.add(new Pair<Text,Text>(new Text("cf2"), null));
tableQueryConfig.fetchColumns(columns);
byte[] serialized = serialize(tableQueryConfig);
InputTableConfig actualConfig = deserialize(serialized);
assertEquals(actualConfig.getFetchedColumns(), columns);
}
@Test
public void testSerialization_iterators() throws IOException {
List<IteratorSetting> settings = new ArrayList<IteratorSetting>();
settings.add(new IteratorSetting(50, "iter", "iterclass"));
settings.add(new IteratorSetting(55, "iter2", "iterclass2"));
tableQueryConfig.setIterators(settings);
byte[] serialized = serialize(tableQueryConfig);
InputTableConfig actualConfig = deserialize(serialized);
assertEquals(actualConfig.getIterators(), settings);
}
private byte[] serialize(InputTableConfig tableQueryConfig) throws IOException {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
tableQueryConfig.write(new DataOutputStream(baos));
baos.close();
return baos.toByteArray();
}
private InputTableConfig deserialize(byte[] bytes) throws IOException {
ByteArrayInputStream bais = new ByteArrayInputStream(bytes);
InputTableConfig actualConfig = new InputTableConfig(new DataInputStream(bais));
bais.close();
return actualConfig;
}
}