hadoop-ozone/common/src/test/java/org/apache/hadoop/ozone/om/codec/TestOmMultipartKeyInfoCodec.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
 * <p>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p>
 * 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.hadoop.ozone.om.codec;

import org.apache.hadoop.ozone.om.helpers.OmMultipartKeyInfo;
import org.apache.hadoop.test.GenericTestUtils;
import org.junit.Assert;
import org.junit.Test;

import java.util.HashMap;
import java.util.UUID;

/**
 * This class tests OmMultipartKeyInfoCodec.
 */
public class TestOmMultipartKeyInfoCodec {

  @Test
  public void testOmMultipartKeyInfoCodec() {
    OmMultipartKeyInfoCodec codec = new OmMultipartKeyInfoCodec();
    OmMultipartKeyInfo omMultipartKeyInfo = new OmMultipartKeyInfo(UUID
        .randomUUID().toString(), new HashMap<>());
    byte[] data = new byte[0];
    try {
      data = codec.toPersistedFormat(omMultipartKeyInfo);
    } catch (java.io.IOException e) {
      e.printStackTrace();
    }
    Assert.assertNotNull(data);

    OmMultipartKeyInfo multipartKeyInfo = null;
    try {
      multipartKeyInfo = codec.fromPersistedFormat(data);
    } catch (java.io.IOException e) {
      e.printStackTrace();
    }
    Assert.assertEquals(omMultipartKeyInfo, multipartKeyInfo);

    // When random byte data passed returns null.
    try {
      codec.fromPersistedFormat("random".getBytes());
    } catch (IllegalArgumentException ex) {
      GenericTestUtils.assertExceptionContains("Can't encode the the raw " +
          "data from the byte array", ex);
    } catch (java.io.IOException e) {
      e.printStackTrace();
    }

  }
}