package com.atlassian.vcache.internal.test;
   
   import org.junit.rules.TestWatcher;
   import org.junit.runner.Description;
   import org.slf4j.Logger;
   
   import static java.util.Objects.requireNonNull;
   
   /**
   * Logs the start and finish of tests.
   */
  public class LoggingTestWatcher extends TestWatcher {
      private final Logger log;
  
      public LoggingTestWatcher(Logger log) {
          this.log = requireNonNull(log);
      }
  
      @Override
      protected void starting(Description description) {
          log.info("*** Starting test: {}", description.getDisplayName());
      }
  
      @Override
      protected void finished(Description description) {
          log.info("*** Finished test: {}", description.getDisplayName());
      }
  }