/*
* Copyright © 2015 Cask Data, Inc.
*
* Licensed 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 co.cask.cdap.data2.dataset2.lib.partitioned;
import co.cask.cdap.api.dataset.lib.PartitionKey;
import co.cask.cdap.api.dataset.lib.partitioned.ConsumerWorkingSet;
import co.cask.cdap.api.dataset.lib.partitioned.DefaultConsumablePartition;
import org.junit.Assert;
import org.junit.Test;
import java.util.UUID;
public class ConsumerWorkingSetTest {
@Test
public void testByteSerialization() {
ConsumerWorkingSet workingSet = new ConsumerWorkingSet();
// test with empty partitions lists
testSerDe(workingSet);
// test with two elements in AVAILABLE and none in IN_PROGRESS
workingSet.getPartitions().add(new DefaultConsumablePartition(generateUniqueKey()));
workingSet.getPartitions().add(new DefaultConsumablePartition(generateUniqueKey()));
testSerDe(workingSet);
// test with three elements in partitions and none in inProgressPartitions
workingSet.getPartitions().add(new DefaultConsumablePartition(generateUniqueKey()));
testSerDe(workingSet);
// mark the first element as IN_PROGRESS
workingSet.getPartitions().get(0).take();
workingSet.getPartitions().get(0).setTimestamp(System.currentTimeMillis());
testSerDe(workingSet);
}
private void testSerDe(ConsumerWorkingSet stateToSerialize) {
byte[] bytes = stateToSerialize.toBytes();
// Assert that the serialization format version is 0
Assert.assertEquals(0, bytes[0]);
ConsumerWorkingSet deserializedState = ConsumerWorkingSet.fromBytes(bytes);
Assert.assertEquals(stateToSerialize, deserializedState);
}
private PartitionKey generateUniqueKey() {
return PartitionKey.builder()
.addIntField("i", 1)
.addLongField("l", 17L)
.addStringField("s", UUID.randomUUID().toString())
.build();
}
}