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.containsString;
022import static org.hamcrest.Matchers.startsWith;
023import static org.junit.Assert.assertEquals;
024import static org.mockito.ArgumentMatchers.any;
025import static org.mockito.Mockito.doAnswer;
026import static org.mockito.Mockito.mock;
027import static org.mockito.Mockito.never;
028import static org.mockito.Mockito.times;
029import static org.mockito.Mockito.verify;
030import static org.mockito.Mockito.when;
031
032import java.io.IOException;
033import java.util.IdentityHashMap;
034import java.util.concurrent.atomic.AtomicReference;
035import org.apache.hadoop.hbase.HBaseClassTestRule;
036import org.apache.hadoop.hbase.HRegionLocation;
037import org.apache.hadoop.hbase.ServerName;
038import org.apache.hadoop.hbase.TableName;
039import org.apache.hadoop.hbase.client.AsyncBatchRpcRetryingCaller.RegionRequest;
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.EnvironmentEdgeManager;
044import org.junit.After;
045import org.junit.Before;
046import org.junit.ClassRule;
047import org.junit.Test;
048import org.junit.experimental.categories.Category;
049import org.mockito.invocation.InvocationOnMock;
050import org.mockito.stubbing.Answer;
051
052@Category({ ClientTests.class, SmallTests.class })
053public class TestAsyncBatchRpcRetryingCaller {
054
055  @ClassRule
056  public static final HBaseClassTestRule CLASS_RULE =
057    HBaseClassTestRule.forClass(TestAsyncBatchRpcRetryingCaller.class);
058
059  private org.apache.logging.log4j.core.Appender mockAppender;
060
061  @Before
062  public void setUp() {
063    mockAppender = mock(org.apache.logging.log4j.core.Appender.class);
064    when(mockAppender.getName()).thenReturn("mockAppender");
065    when(mockAppender.isStarted()).thenReturn(true);
066    ((org.apache.logging.log4j.core.Logger) org.apache.logging.log4j.LogManager
067      .getLogger(AsyncBatchRpcRetryingCaller.class)).addAppender(mockAppender);
068
069  }
070
071  @After
072  public void tearDown() {
073    ((org.apache.logging.log4j.core.Logger) org.apache.logging.log4j.LogManager
074      .getLogger(AsyncBatchRpcRetryingCaller.class)).removeAppender(mockAppender);
075  }
076
077  @Test
078  public void testLogAction() {
079    AtomicReference<org.apache.logging.log4j.Level> level = new AtomicReference<>();
080    AtomicReference<String> msg = new AtomicReference<String>();
081    doAnswer(new Answer<Void>() {
082
083      @Override
084      public Void answer(InvocationOnMock invocation) throws Throwable {
085        org.apache.logging.log4j.core.LogEvent logEvent =
086          invocation.getArgument(0, org.apache.logging.log4j.core.LogEvent.class);
087        level.set(logEvent.getLevel());
088        msg.set(logEvent.getMessage().getFormattedMessage());
089        return null;
090      }
091    }).when(mockAppender).append(any(org.apache.logging.log4j.core.LogEvent.class));
092    TableName tn = TableName.valueOf("async");
093    ServerName sn = ServerName.valueOf("host", 12345, EnvironmentEdgeManager.currentTime());
094    RegionRequest request =
095      new RegionRequest(new HRegionLocation(RegionInfoBuilder.newBuilder(tn).build(), sn));
096    Action put = new Action(new Put(Bytes.toBytes("a")), 0);
097    Action get = new Action(new Get(Bytes.toBytes("b")), 1);
098    Action incr = new Action(new Increment(Bytes.toBytes("c")), 2);
099    Action del = new Action(new Delete(Bytes.toBytes("d")), 3);
100    request.actions.add(put);
101    request.actions.add(get);
102    request.actions.add(incr);
103    request.actions.add(del);
104    IdentityHashMap<Action, Throwable> action2Error = new IdentityHashMap<>();
105    AsyncBatchRpcRetryingCaller.logActionsException(1, 2, request, action2Error, sn);
106    verify(mockAppender, never()).append(any());
107    AsyncBatchRpcRetryingCaller.logActionsException(5, 4, request, action2Error, sn);
108    verify(mockAppender, never()).append(any());
109
110    action2Error.put(get, new IOException("get error"));
111    action2Error.put(incr, new IOException("incr error"));
112    AsyncBatchRpcRetryingCaller.logActionsException(5, 4, request, action2Error, sn);
113    verify(mockAppender, times(1)).append(any());
114    assertEquals(org.apache.logging.log4j.Level.WARN, level.get());
115
116    String logMsg = msg.get();
117    assertThat(logMsg,
118      startsWith("Process batch for " + request.loc.getRegion().getRegionNameAsString() + " on "
119        + sn.toString() + ", 2/4 actions failed, tries=5, sampled 2 errors:"));
120    assertThat(logMsg, containsString("=> java.io.IOException: get error"));
121    assertThat(logMsg, containsString("=> java.io.IOException: incr error"));
122  }
123}