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.worker.grpc;
  
  import static org.junit.Assert.assertEquals;
  
  import alluxio.security.User;
  import alluxio.security.authentication.AuthenticatedClientUser;
  
  import org.junit.After;
  import org.junit.Before;
  import org.junit.Test;
  
  import java.util.concurrent.ExecutorService;
  
  public class GrpcExecutorsTest {
    private static final String IMPERSONATION_PROXY_USER_NAME = "foo";
  
    @Before
    public void before() {
      AuthenticatedClientUser.remove();
    }
  
    @After
    public void after() {
      AuthenticatedClientUser.remove();
    }
  
    private void validateAuthenticatedClientUser(ExecutorService executor) {
      final User contextProxyUser = AuthenticatedClientUser.getOrNull();
      executor.execute(() -> {
        User workerProxyUser = AuthenticatedClientUser.getOrNull();
        assertEquals(contextProxyUser, workerProxyUser);
      });
  
      AuthenticatedClientUser.set(IMPERSONATION_PROXY_USER_NAME);
      User newContextProxyUser = AuthenticatedClientUser.getOrNull();
      executor.execute(() -> {
        User workerProxyUser = AuthenticatedClientUser.getOrNull();
        assertEquals(newContextProxyUser, workerProxyUser);
      });
    }
  
    @Test
    public void impersonationPassedToBlockReader() {
      validateAuthenticatedClientUser(GrpcExecutors.BLOCK_READER_EXECUTOR);
    }
  
    @Test
    public void impersonationPassedToBlockWriter() {
      validateAuthenticatedClientUser(GrpcExecutors.BLOCK_WRITER_EXECUTOR);
    }
  
    @Test
    public void impersonationPassedToAsyncCacheManager() {
      validateAuthenticatedClientUser(GrpcExecutors.CACHE_MANAGER_EXECUTOR);
    }
  }
  