content: /*
   * 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.job.plan.replicate;
  
  import alluxio.util.CommonUtils;
  
  import com.fasterxml.jackson.databind.ObjectMapper;
  import org.junit.Assert;
  import org.junit.Test;
  
  import java.util.Random;
  
  /**
   * Test {@link SetReplicaConfig}.
   */
  public final class SetReplicaConfigTest {
    @Test
    public void json() throws Exception {
      SetReplicaConfig config = createRandom();
      ObjectMapper mapper = new ObjectMapper();
      SetReplicaConfig other =
          mapper.readValue(mapper.writeValueAsString(config), SetReplicaConfig.class);
      checkEquality(config, other);
    }
  
    @Test
    public void negativeReplicateNumber() {
      try {
        new SetReplicaConfig("", 0, -1);
        Assert.fail("Cannot create ReplicateConfig with negative replicateNumber");
      } catch (IllegalArgumentException exception) {
        // expected exception thrown. test passes
      }
    }
  
    public void checkEquality(SetReplicaConfig a, SetReplicaConfig b) {
      Assert.assertEquals(a.getBlockId(), b.getBlockId());
      Assert.assertEquals(a.getReplicas(), b.getReplicas());
      Assert.assertEquals(a, b);
    }
  
    public static SetReplicaConfig createRandom() {
      Random random = new Random();
      String path = "/" + CommonUtils.randomAlphaNumString(random.nextInt(10) + 1);
      SetReplicaConfig config =
          new SetReplicaConfig(path, random.nextLong(), random.nextInt(Integer.MAX_VALUE) + 1);
      return config;
    }
  }
  