content: /*
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you under the Apache License, Version 2.0 (the
   * "License"); you may not use this file except in compliance
   * with the License.  You may obtain a copy of the License at
   *
   *   http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing,
   * software distributed under the License is distributed on an
   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
   * KIND, either express or implied.  See the License for the
   * specific language governing permissions and limitations
   * under the License.
   */
  package org.apache.bookkeeper.proto;
  
  import static org.mockito.ArgumentMatchers.any;
  import static org.mockito.ArgumentMatchers.anyLong;
  import static org.mockito.Mockito.doAnswer;
  import static org.mockito.Mockito.mock;
  import static org.mockito.Mockito.when;
  
  import com.google.protobuf.ByteString;
  import io.netty.buffer.Unpooled;
  import io.netty.channel.Channel;
  import io.netty.channel.ChannelHandlerContext;
  import io.netty.util.HashedWheelTimer;
  import java.util.concurrent.CompletableFuture;
  import java.util.concurrent.ExecutorService;
  import java.util.concurrent.Executors;
  import java.util.concurrent.TimeUnit;
  import org.apache.bookkeeper.bookie.Bookie;
  import org.apache.bookkeeper.proto.BookkeeperProtocol.BKPacketHeader;
  import org.apache.bookkeeper.proto.BookkeeperProtocol.OperationType;
  import org.apache.bookkeeper.proto.BookkeeperProtocol.ProtocolVersion;
  import org.apache.bookkeeper.proto.BookkeeperProtocol.ReadRequest;
  import org.apache.bookkeeper.proto.BookkeeperProtocol.Request;
  import org.apache.bookkeeper.stats.NullStatsLogger;
  import org.junit.After;
  import org.junit.Before;
  import org.junit.Test;
  
  
  
  
  /**
   * Unit test {@link LongPollReadEntryProcessorV3}.
   */
  public class LongPollReadEntryProcessorV3Test {
      ExecutorService executor;
      HashedWheelTimer timer;
  
      @Before
      public void setup() {
          executor = Executors.newSingleThreadExecutor();
          timer = new HashedWheelTimer();
      }
  
      @After
      public void teardown() {
          timer.stop();
          executor.shutdownNow();
      }
  
      @Test
      public void testWatchIsCancelledOnTimeout() throws Exception {
          Request request = Request.newBuilder()
              .setHeader(BKPacketHeader.newBuilder()
                         .setTxnId(System.currentTimeMillis())
                         .setVersion(ProtocolVersion.VERSION_THREE)
                         .setOperation(OperationType.READ_ENTRY)
                         .build())
              .setReadRequest(ReadRequest.newBuilder()
                              .setLedgerId(10)
                              .setEntryId(1)
                              .setMasterKey(ByteString.copyFrom(new byte[0]))
                              .setPreviousLAC(0)
                              .setTimeOut(1)
                              .build())
              .build();
  
          Channel channel = mock(Channel.class);
          when(channel.isOpen()).thenReturn(true);
  
          BookieRequestHandler requestHandler = mock(BookieRequestHandler.class);
          ChannelHandlerContext ctx = mock(ChannelHandlerContext.class);
          when(ctx.channel()).thenReturn(channel);
          when(requestHandler.ctx()).thenReturn(ctx);
  
          Bookie bookie = mock(Bookie.class);
  
          BookieRequestProcessor requestProcessor = mock(BookieRequestProcessor.class);
          when(requestProcessor.getBookie()).thenReturn(bookie);
          when(requestProcessor.getRequestStats()).thenReturn(new RequestStats(NullStatsLogger.INSTANCE));
  
          when(bookie.waitForLastAddConfirmedUpdate(anyLong(), anyLong(), any()))
              .thenReturn(true);
          when(bookie.readEntry(anyLong(), anyLong())).thenReturn(Unpooled.buffer());
          when(bookie.readLastAddConfirmed(anyLong())).thenReturn(Long.valueOf(1));
  
          CompletableFuture<Void> cancelFuture = new CompletableFuture<>();
  
          doAnswer(invocationOnMock -> {
                  cancelFuture.complete(null);
                  return null;
              }).when(bookie).cancelWaitForLastAddConfirmedUpdate(anyLong(), any());
  
          LongPollReadEntryProcessorV3 processor = new LongPollReadEntryProcessorV3(
              request,
              requestHandler,
              requestProcessor,
              executor, executor, timer);
  
          processor.run();
  
          cancelFuture.get(10, TimeUnit.SECONDS);
      }
  }
  