001/*
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *     http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018package org.apache.hadoop.hbase.client;
019
020import static org.hamcrest.MatcherAssert.assertThat;
021import static org.hamcrest.Matchers.instanceOf;
022import static org.junit.jupiter.api.Assertions.assertEquals;
023import static org.junit.jupiter.api.Assertions.assertThrows;
024import static org.mockito.ArgumentMatchers.any;
025import static org.mockito.ArgumentMatchers.anyList;
026import static org.mockito.Mockito.mock;
027import static org.mockito.Mockito.mockStatic;
028import static org.mockito.Mockito.verify;
029import static org.mockito.Mockito.when;
030
031import java.io.IOException;
032import java.util.Arrays;
033import java.util.concurrent.CompletableFuture;
034import java.util.concurrent.CountDownLatch;
035import java.util.concurrent.ExecutionException;
036import java.util.concurrent.ExecutorService;
037import java.util.concurrent.Executors;
038import java.util.concurrent.Future;
039import java.util.concurrent.TimeUnit;
040import org.apache.hadoop.hbase.testclassification.ClientTests;
041import org.apache.hadoop.hbase.testclassification.SmallTests;
042import org.apache.hadoop.hbase.util.Bytes;
043import org.apache.hadoop.hbase.util.Pair;
044import org.junit.jupiter.api.AfterEach;
045import org.junit.jupiter.api.BeforeEach;
046import org.junit.jupiter.api.Tag;
047import org.junit.jupiter.api.Test;
048import org.mockito.MockedStatic;
049
050import org.apache.hbase.thirdparty.com.google.common.util.concurrent.ThreadFactoryBuilder;
051
052@Tag(ClientTests.TAG)
053@Tag(SmallTests.TAG)
054public class TestBufferedMutatorOverAsyncBufferedMutator {
055
056  private AsyncBufferedMutator asyncMutator;
057
058  private BufferedMutatorOverAsyncBufferedMutator mutator;
059
060  private ExecutorService executor;
061
062  private MockedStatic<Pair> mockedPair;
063
064  @BeforeEach
065  public void setUp() {
066    asyncMutator = mock(AsyncBufferedMutator.class);
067    when(asyncMutator.getWriteBufferSize()).thenReturn(1024L * 1024);
068    mutator = new BufferedMutatorOverAsyncBufferedMutator(asyncMutator, (e, m) -> {
069      throw e;
070    });
071    executor =
072      Executors.newSingleThreadExecutor(new ThreadFactoryBuilder().setDaemon(true).build());
073    mockedPair = mockStatic(Pair.class);
074  }
075
076  @AfterEach
077  public void tearDown() {
078    mockedPair.closeOnDemand();
079    executor.shutdown();
080  }
081
082  @Test
083  public void testRace() throws IOException {
084    CompletableFuture<Void> future = new CompletableFuture<>();
085    when(asyncMutator.mutate(anyList())).thenReturn(Arrays.asList(future));
086    mutator.mutate(new Put(Bytes.toBytes("aaa")));
087    verify(asyncMutator).mutate(anyList());
088    CountDownLatch beforeFlush = new CountDownLatch(1);
089    CountDownLatch afterFlush = new CountDownLatch(1);
090    Future<?> flushFuture = executor.submit(() -> {
091      beforeFlush.await();
092      mutator.flush();
093      afterFlush.countDown();
094      return null;
095    });
096    mockedPair.when(() -> Pair.newPair(any(), any())).then(i -> {
097      beforeFlush.countDown();
098      afterFlush.await(5, TimeUnit.SECONDS);
099      return i.callRealMethod();
100    });
101    future.completeExceptionally(new IOException("inject error"));
102    ExecutionException error = assertThrows(ExecutionException.class, () -> flushFuture.get());
103    assertThat(error.getCause(), instanceOf(RetriesExhaustedWithDetailsException.class));
104    assertEquals("inject error",
105      ((RetriesExhaustedWithDetailsException) error.getCause()).getCause(0).getMessage());
106  }
107}