/*
* The Alluxio Open Foundation licenses this work under the Apache License, version 2.0
* (the "License"). You may not use this work except in compliance with the License, which is
* available at www.apache.org/licenses/LICENSE-2.0
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
* either express or implied, as more fully set forth in the License.
*
* See the NOTICE file distributed with this work for information regarding copyright ownership.
*/
package alluxio.wire;
import org.codehaus.jackson.map.ObjectMapper;
import org.junit.Assert;
import org.junit.Test;
import java.util.ArrayList;
import java.util.List;
import java.util.Random;
public class BlockInfoTest {
/**
* Test to convert between a BlockInfo type and a json type.
*/
@Test
public void json() throws Exception {
BlockInfo blockInfo = createRandom();
ObjectMapper mapper = new ObjectMapper();
BlockInfo other = mapper.readValue(mapper.writeValueAsBytes(blockInfo), BlockInfo.class);
checkEquality(blockInfo, other);
}
/**
* Test to convert between a thrift type and a wire type.
*/
@Test
public void thrift() {
BlockInfo blockInfo = createRandom();
BlockInfo other = ThriftUtils.fromThrift(ThriftUtils.toThrift(blockInfo));
checkEquality(blockInfo, other);
}
/**
* Check if the two BlockInfo object are equal.
*
* @param a the first BlockInfo object to be checked
* @param b the second BlockInfo object to be checked
*/
public void checkEquality(BlockInfo a, BlockInfo b) {
Assert.assertEquals(a.getBlockId(), b.getBlockId());
Assert.assertEquals(a.getLength(), b.getLength());
Assert.assertEquals(a.getLocations(), b.getLocations());
Assert.assertEquals(a, b);
}
/**
* Randomly create a BlockInfo object.
*
* @return the created BlockInfo object
*/
public static BlockInfo createRandom() {
BlockInfo result = new BlockInfo();
Random random = new Random();
long blockId = random.nextLong();
long length = random.nextLong();
List<BlockLocation> locations = new ArrayList<>();
long numLocations = random.nextInt(10);
for (int i = 0; i < numLocations; i++) {
locations.add(BlockLocationTest.createRandom());
}
result.setBlockId(blockId);
result.setLength(length);
result.setLocations(locations);
return result;
}
}