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.cli.fsadmin.report;
  
  import alluxio.client.meta.RetryHandlingMetaMasterClient;
  import alluxio.grpc.BuildVersion;
  import alluxio.grpc.NetAddress;
  import alluxio.grpc.ProxyStatus;
  
  import org.hamcrest.collection.IsIterableContainingInOrder;
  import org.joda.time.Instant;
  import org.junit.Assert;
  import org.junit.Before;
  import org.junit.Test;
  import org.mockito.Mockito;
  
  import java.io.ByteArrayOutputStream;
  import java.io.IOException;
  import java.io.PrintStream;
  import java.nio.charset.StandardCharsets;
  import java.util.ArrayList;
  import java.util.Arrays;
  import java.util.List;
  
  public class ProxyCommandTest {
    private RetryHandlingMetaMasterClient mMetaMasterClient;
  
    @Before
    public void prepareDependencies() throws IOException {
      mMetaMasterClient = Mockito.mock(RetryHandlingMetaMasterClient.class);
    }
  
    @Test
    public void listProxyInstances() throws IOException {
      List<ProxyStatus> longInfoList = prepareInfoList();
      Mockito.when(mMetaMasterClient.listProxyStatus())
              .thenReturn(longInfoList);
  
      try (ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
           PrintStream printStream = new PrintStream(outputStream, true, "utf-8")) {
        ProxyCommand proxyCommand = new ProxyCommand(mMetaMasterClient, printStream);
        proxyCommand.run();
        String output = new String(outputStream.toByteArray(), StandardCharsets.UTF_8);
        // CHECKSTYLE.OFF: LineLengthExceed - Much more readable
        List<String> expectedOutput = Arrays.asList("2 Proxy instances in the cluster, 1 serving and 1 lost",
            "",
            "Address                  State    Start Time       Last Heartbeat Time  Version                          Revision",
            "proxy-0:12345            ACTIVE   20230421-182944  20230421-183005      1.0                              abc     ",
            "proxy-1:23456            LOST     20230421-182707  20230421-190507      1.1                              abc     ");
        // CHECKSTYLE.ON: LineLengthExceed
        List<String> testOutput = Arrays.asList(output.split("\n"));
        Assert.assertThat(testOutput,
                IsIterableContainingInOrder.contains(expectedOutput.toArray()));
      }
    }
  
    @Test
    public void listProxyInstancesLongName() throws IOException {
      List<ProxyStatus> longInfoList = prepareInfoListLongName();
      Mockito.when(mMetaMasterClient.listProxyStatus())
              .thenReturn(longInfoList);
  
      try (ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
           PrintStream printStream = new PrintStream(outputStream, true, "utf-8")) {
        ProxyCommand proxyCommand = new ProxyCommand(mMetaMasterClient, printStream);
        proxyCommand.run();
        String output = new String(outputStream.toByteArray(), StandardCharsets.UTF_8);
        // CHECKSTYLE.OFF: LineLengthExceed - Much more readable
        List<String> expectedOutput = Arrays.asList("2 Proxy instances in the cluster, 1 serving and 1 lost",
            "",
            "Address                                       State    Start Time       Last Heartbeat Time  Version                          Revision",
            "datacenter-namespace-department-proxy-0:12345 ACTIVE   20230421-182944  20230421-183005      1.0                              abc     ",
            "datacenter-namespace-department-proxy-1:23456 LOST     20230421-182707  20230421-190507      1.1                              abc     ");
        // CHECKSTYLE.ON: LineLengthExceed
        List<String> testOutput = Arrays.asList(output.split("\n"));
        Assert.assertThat(testOutput,
            IsIterableContainingInOrder.contains(expectedOutput.toArray()));
      }
    }
  
    /**
     * @return long worker info list to test
     */
    private List<ProxyStatus> prepareInfoList() {
      List<ProxyStatus> infoList = new ArrayList<>();
  
      long proxy0startTime = Instant.parse("2023-04-21T18:29:44").getMillis();
      long proxy0HeartbeatTime = Instant.parse("2023-04-21T18:30:05").getMillis();
      NetAddress address0 = NetAddress.newBuilder().setHost("proxy-0").setRpcPort(12345).build();
      BuildVersion version0 = BuildVersion.newBuilder().setVersion("1.0").setRevision("abc").build();
      ProxyStatus proxy0 = ProxyStatus.newBuilder()
              .setAddress(address0).setState("ACTIVE")
              .setStartTime(proxy0startTime)
              .setLastHeartbeatTime(proxy0HeartbeatTime)
              .setVersion(version0).build();
      infoList.add(proxy0);
  
      long proxy1startTime = Instant.parse("2023-04-21T18:27:07").getMillis();
      long proxy1HeartbeatTime = Instant.parse("2023-04-21T19:05:07").getMillis();
      NetAddress address1 = NetAddress.newBuilder().setHost("proxy-1").setRpcPort(23456).build();
      BuildVersion version1 = BuildVersion.newBuilder().setVersion("1.1").setRevision("abc").build();
      ProxyStatus proxy1 = ProxyStatus.newBuilder()
              .setAddress(address1).setState("LOST")
              .setStartTime(proxy1startTime)
              .setLastHeartbeatTime(proxy1HeartbeatTime)
              .setVersion(version1).build();
      infoList.add(proxy1);
  
      return infoList;
    }
  
    private List<ProxyStatus> prepareInfoListLongName() {
      List<ProxyStatus> infoList = new ArrayList<>();
  
      long proxy0startTime = Instant.parse("2023-04-21T18:29:44").getMillis();
      long proxy0HeartbeatTime = Instant.parse("2023-04-21T18:30:05").getMillis();
      NetAddress address0 = NetAddress.newBuilder()
          .setHost("datacenter-namespace-department-proxy-0").setRpcPort(12345).build();
      BuildVersion version0 = BuildVersion.newBuilder().setVersion("1.0").setRevision("abc").build();
      ProxyStatus proxy0 = ProxyStatus.newBuilder().setAddress(address0).setState("ACTIVE")
          .setStartTime(proxy0startTime).setLastHeartbeatTime(proxy0HeartbeatTime)
          .setVersion(version0).build();
      infoList.add(proxy0);
  
      long proxy1startTime = Instant.parse("2023-04-21T18:27:07").getMillis();
      long proxy1HeartbeatTime = Instant.parse("2023-04-21T19:05:07").getMillis();
      NetAddress address1 = NetAddress.newBuilder()
          .setHost("datacenter-namespace-department-proxy-1").setRpcPort(23456).build();
      BuildVersion version1 = BuildVersion.newBuilder().setVersion("1.1").setRevision("abc").build();
      ProxyStatus proxy1 = ProxyStatus.newBuilder().setAddress(address1).setState("LOST")
          .setStartTime(proxy1startTime).setLastHeartbeatTime(proxy1HeartbeatTime)
          .setVersion(version1).build();
      infoList.add(proxy1);
  
      return infoList;
    }
  }
  
  