@Test
public void testLogPath() {

  final DistCpOptions.Builder builder = new DistCpOptions.Builder(
      Collections.singletonList(new Path("hdfs://localhost:8020/source")),
      new Path("hdfs://localhost:8020/target/"));
  Assert.assertNull(builder.build().getLogPath());
  final Path logPath = new Path("hdfs://localhost:8020/logs");
  builder.withLogPath(logPath);
  Assert.assertEquals(logPath, builder.build().getLogPath());
}