package com.atlassian.scheduler.core;
   
   import com.atlassian.scheduler.config.JobId;
   import com.atlassian.scheduler.config.JobRunnerKey;
   import com.google.common.collect.ImmutableMap;
   
   import java.io.ByteArrayOutputStream;
   import java.io.IOException;
   import java.io.ObjectOutputStream;
  import java.io.Serializable;
  import java.util.Map;
  
  /**
   * Several constants used across multiple unit tests
   *
   * @since v1.0
   */
  @SuppressWarnings("ConstantConditions")
  public class Constants {
      public static final JobId JOB_ID = JobId.of("job.id");
      public static final JobRunnerKey KEY = JobRunnerKey.of("test.key");
  
      public static final Map<String, Serializable> PARAMETERS = ImmutableMap.<String, Serializable>builder()
              .put("Hello", 42L)
              .put("World", true)
              .build();
      public static final Map<String, Serializable> EMPTY_MAP = ImmutableMap.of();
  
      public static final byte[] BYTES_PARAMETERS = serialize(PARAMETERS);
      public static final byte[] BYTES_EMPTY_MAP = serialize(EMPTY_MAP);
      public static final byte[] BYTES_NULL = serialize(null);
      public static final byte[] BYTES_DEADF00D = {(byte) 0xDE, (byte) 0xAD, (byte) 0xF0, (byte) 0x0D,};
  
      private static byte[] serialize(final Map<String, Serializable> map) {
          try {
              final ByteArrayOutputStream bytes = new ByteArrayOutputStream();
              final ObjectOutputStream oos = new ObjectOutputStream(bytes);
              try {
                  oos.writeObject(map);
                  oos.flush();
                  return bytes.toByteArray();
              } finally {
                  oos.close();
              }
          } catch (IOException ioe) {
              final AssertionError err = new AssertionError("Could not serialize " + map);
              err.initCause(ioe);
              throw err;
          }
      }
  }