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.master.journal;
  
  import alluxio.conf.Configuration;
  import alluxio.conf.PropertyKey;
  import alluxio.master.PortRegistry;
  import alluxio.util.CommonUtils.ProcessType;
  
  import org.junit.rules.TemporaryFolder;
  
  import java.io.IOException;
  import java.net.URI;
  import java.net.URISyntaxException;
  import java.util.ArrayList;
  import java.util.List;
  
  /**
   * Utility methods for testing against a journal system.
   */
  public class JournalTestUtils {
  
    public static List<Integer> createEmbeddedJournalTestPorts(int count) throws IOException {
      List<Integer> ports = new ArrayList<>();
      StringBuilder addresses = new StringBuilder();
      for (int i = 0; i < count; i++) {
        if (i != 0) {
          addresses.append(",");
        }
        int port = PortRegistry.getFreePort();
        ports.add(port);
        addresses.append(String.format("localhost:%d", port));
      }
      Configuration.set(PropertyKey.MASTER_EMBEDDED_JOURNAL_ADDRESSES, addresses.toString());
      Configuration.set(PropertyKey.MASTER_HOSTNAME, "localhost");
      Configuration.set(PropertyKey.MASTER_EMBEDDED_JOURNAL_PORT, ports.get(0));
      return ports;
    }
  
    public static JournalSystem createJournalSystem(TemporaryFolder folder) {
      try {
        return createJournalSystem(folder.newFolder("journal").getAbsolutePath());
      } catch (IOException e) {
        throw new RuntimeException(e);
      }
    }
  
    public static JournalSystem createJournalSystem(String folder) {
      try {
        return new JournalSystem.Builder()
            .setLocation(new URI(folder))
            .setQuietTimeMs(0)
            .build(ProcessType.MASTER);
      } catch (URISyntaxException e) {
        throw new RuntimeException(e);
      }
    }
  }
  