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.client;
  
  import static java.nio.charset.StandardCharsets.UTF_8;
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertNull;
  import static org.junit.Assert.assertSame;
  import static org.mockito.Mockito.mock;
  import static org.mockito.Mockito.when;
  
  import io.netty.buffer.ByteBuf;
  import io.netty.buffer.Unpooled;
  import java.util.concurrent.atomic.AtomicInteger;
  import org.apache.bookkeeper.client.BKException.Code;
  import org.apache.bookkeeper.client.api.WriteFlag;
  import org.apache.bookkeeper.common.util.OrderedExecutor;
  import org.apache.bookkeeper.proto.BookieClient;
  import org.apache.bookkeeper.stats.NullStatsLogger;
  import org.junit.Before;
  import org.junit.Test;
  
  /**
   * Unit test of {@link PendingAddOp}.
   */
  public class PendingAddOpTest {
  
      private LedgerHandle lh;
      private ClientContext mockClientContext;
  
      private ByteBuf payload;
  
      @Before
      public void setup() {
          BookKeeperClientStats clientStats = BookKeeperClientStats.newInstance(NullStatsLogger.INSTANCE);
          BookieClient bookieClient = mock(BookieClient.class);
          OrderedExecutor mainWorkerPool = mock(OrderedExecutor.class);
          mockClientContext = mock(ClientContext.class);
          when(mockClientContext.getBookieClient()).thenReturn(bookieClient);
          when(mockClientContext.getConf()).thenReturn(ClientInternalConf.defaultValues());
          when(mockClientContext.getMainWorkerPool()).thenReturn(mainWorkerPool);
          when(mockClientContext.getClientStats()).thenReturn(clientStats);
  
          lh = mock(LedgerHandle.class);
          when(lh.getDistributionSchedule())
              .thenReturn(new RoundRobinDistributionSchedule(3, 3, 2));
          byte[] data = "test-pending-add-op".getBytes(UTF_8);
          payload = Unpooled.wrappedBuffer(data);
          payload.writerIndex(data.length);
      }
  
      @Test
      public void testExecuteAfterCancelled() {
          AtomicInteger rcHolder = new AtomicInteger(-0xdead);
          PendingAddOp op = PendingAddOp.create(
                  lh, mockClientContext, lh.getCurrentEnsemble(),
                  payload, WriteFlag.NONE,
                  (rc, handle, entryId, qwcLatency, ctx) -> {
                      rcHolder.set(rc);
                  }, null);
          assertSame(lh, op.lh);
  
          // cancel the op.
          op.submitCallback(Code.NotEnoughBookiesException);
          // if a op is cancelled, it is not recycled until it has been run.
          assertSame(lh, op.lh);
          assertEquals(Code.NotEnoughBookiesException, rcHolder.get());
  
          op.initiate();
          // after the op is run, the object is recycled.
          assertNull(op.lh);
      }
  
  }
  