lang/java/reef-examples/src/test/java/org/apache/reef/examples/suspend/ObjectWritableCodecTest.java

/*
 * 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.reef.examples.suspend;

import org.apache.hadoop.fs.Path;
import org.apache.reef.io.checkpoint.CheckpointID;
import org.apache.reef.io.checkpoint.fs.FSCheckpointID;
import org.junit.Assert;
import org.junit.BeforeClass;
import org.junit.Test;

/**
 * Test for ObjectWritableCodec.
 */
public class ObjectWritableCodecTest {

  private static ObjectWritableCodec<CheckpointID> codec;

  /**
   * Test class setup - create the codec.
   */
  @BeforeClass
  public static void setUpClass() {
    codec = new ObjectWritableCodec<CheckpointID>(FSCheckpointID.class);
  }

  /**
   * After the encode/decode cycle result equals to the original object.
   */
  @Test
  public void testFSCheckpointIdCodec() {
    final CheckpointID checkpoint1 = new FSCheckpointID(new Path("path"));
    final byte[] serialized = codec.encode(checkpoint1);
    final CheckpointID checkpoint2 = codec.decode(serialized);
    Assert.assertEquals(checkpoint1, checkpoint2);
  }
}