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1   /**
2    *
3    * Licensed to the Apache Software Foundation (ASF) under one
4    * or more contributor license agreements.  See the NOTICE file
5    * distributed with this work for additional information
6    * regarding copyright ownership.  The ASF licenses this file
7    * to you under the Apache License, Version 2.0 (the
8    * "License"); you may not use this file except in compliance
9    * with the License.  You may obtain a copy of the License at
10   *
11   *     http://www.apache.org/licenses/LICENSE-2.0
12   *
13   * Unless required by applicable law or agreed to in writing, software
14   * distributed under the License is distributed on an "AS IS" BASIS,
15   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16   * See the License for the specific language governing permissions and
17   * limitations under the License.
18   */
19  package org.apache.hadoop.hbase.regionserver;
20  
21  import java.io.IOException;
22  import java.io.StringWriter;
23  import java.util.List;
24  
25  import org.apache.hadoop.hbase.HBaseConfiguration;
26  import org.apache.hadoop.hbase.HRegionInfo;
27  import org.apache.hadoop.hbase.HTableDescriptor;
28  import org.apache.hadoop.hbase.ServerName;
29  import org.apache.hadoop.hbase.testclassification.SmallTests;
30  import org.apache.hadoop.hbase.TableName;
31  import org.apache.hadoop.hbase.protobuf.ResponseConverter;
32  import org.apache.hadoop.hbase.protobuf.generated.AdminProtos.GetOnlineRegionRequest;
33  import org.apache.hadoop.hbase.protobuf.generated.AdminProtos.GetServerInfoRequest;
34  import org.apache.hadoop.hbase.protobuf.generated.AdminProtos.GetServerInfoResponse;
35  import org.apache.hadoop.hbase.tmpl.regionserver.RSStatusTmpl;
36  import org.apache.hadoop.hbase.util.Bytes;
37  import org.apache.hadoop.hbase.zookeeper.MasterAddressTracker;
38  import org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher;
39  import org.junit.Before;
40  import org.junit.Test;
41  import org.junit.experimental.categories.Category;
42  import org.mockito.Mockito;
43  
44  import com.google.common.collect.Lists;
45  import com.google.protobuf.RpcController;
46  import com.google.protobuf.ServiceException;
47  import org.apache.commons.logging.Log;
48  import org.apache.commons.logging.LogFactory;
49  import org.apache.hadoop.hbase.HConstants;
50  import org.apache.hadoop.hbase.io.hfile.CacheConfig;
51  
52  /**
53   * Tests for the region server status page and its template.
54   */
55  @Category(SmallTests.class)
56  public class TestRSStatusServlet {
57    private static final Log LOG = LogFactory.getLog(TestRSStatusServlet.class);
58    private HRegionServer rs;
59    private RSRpcServices rpcServices;
60  
61    static final int FAKE_IPC_PORT = 1585;
62    static final int FAKE_WEB_PORT = 1586;
63  
64    private final ServerName fakeServerName =
65        ServerName.valueOf("localhost", FAKE_IPC_PORT, 11111);
66    private final GetServerInfoResponse fakeResponse =
67      ResponseConverter.buildGetServerInfoResponse(fakeServerName, FAKE_WEB_PORT);
68  
69    private final ServerName fakeMasterAddress =
70        ServerName.valueOf("localhost", 60010, 1212121212);
71  
72    @Before
73    public void setupBasicMocks() throws IOException, ServiceException {
74      rs = Mockito.mock(HRegionServer.class);
75      rpcServices = Mockito.mock(RSRpcServices.class);
76      Mockito.doReturn(HBaseConfiguration.create())
77        .when(rs).getConfiguration();
78      Mockito.doReturn(rpcServices).when(rs).getRSRpcServices();
79      Mockito.doReturn(fakeResponse).when(rpcServices).getServerInfo(
80        (RpcController)Mockito.any(), (GetServerInfoRequest)Mockito.any());
81      // Fake ZKW
82      ZooKeeperWatcher zkw = Mockito.mock(ZooKeeperWatcher.class);
83      Mockito.doReturn("fakequorum").when(zkw).getQuorum();
84      Mockito.doReturn(zkw).when(rs).getZooKeeper();
85  
86      // Fake CacheConfig
87      LOG.warn("The " + HConstants.HFILE_BLOCK_CACHE_SIZE_KEY + " is set to 0");
88      CacheConfig cacheConf = Mockito.mock(CacheConfig.class);
89      Mockito.doReturn(null).when(cacheConf).getBlockCache();
90      Mockito.doReturn(cacheConf).when(rs).getCacheConfig();
91      
92      // Fake MasterAddressTracker
93      MasterAddressTracker mat = Mockito.mock(MasterAddressTracker.class);
94      Mockito.doReturn(fakeMasterAddress).when(mat).getMasterAddress();
95      Mockito.doReturn(mat).when(rs).getMasterAddressTracker();
96  
97      MetricsRegionServer rms = Mockito.mock(MetricsRegionServer.class);
98      Mockito.doReturn(new MetricsRegionServerWrapperStub()).when(rms).getRegionServerWrapper();
99      Mockito.doReturn(rms).when(rs).getRegionServerMetrics();
100   }
101   
102   @Test
103   public void testBasic() throws IOException, ServiceException {
104     new RSStatusTmpl().render(new StringWriter(), rs);
105   }
106   
107   @Test
108   public void testWithRegions() throws IOException, ServiceException {
109     HTableDescriptor htd = new HTableDescriptor(TableName.valueOf("mytable"));
110     List<HRegionInfo> regions = Lists.newArrayList(
111         new HRegionInfo(htd.getTableName(), Bytes.toBytes("a"), Bytes.toBytes("d")),
112         new HRegionInfo(htd.getTableName(), Bytes.toBytes("d"), Bytes.toBytes("z"))
113         );
114     Mockito.doReturn(ResponseConverter.buildGetOnlineRegionResponse(
115       regions)).when(rpcServices).getOnlineRegion((RpcController)Mockito.any(),
116         (GetOnlineRegionRequest)Mockito.any());
117     
118     new RSStatusTmpl().render(new StringWriter(), rs);
119   }
120   
121   
122 
123 }
124