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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.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  
48  /**
49   * Tests for the region server status page and its template.
50   */
51  @Category(SmallTests.class)
52  public class TestRSStatusServlet {
53    private HRegionServer rs;
54    
55    static final int FAKE_IPC_PORT = 1585;
56    static final int FAKE_WEB_PORT = 1586;
57    
58    private final ServerName fakeServerName =
59        ServerName.valueOf("localhost", FAKE_IPC_PORT, 11111);
60    private final GetServerInfoResponse fakeResponse =
61      ResponseConverter.buildGetServerInfoResponse(fakeServerName, FAKE_WEB_PORT);
62  
63    private final ServerName fakeMasterAddress =
64        ServerName.valueOf("localhost", 60010, 1212121212);
65  
66    @Before
67    public void setupBasicMocks() throws IOException, ServiceException {
68      rs = Mockito.mock(HRegionServer.class);
69      Mockito.doReturn(HBaseConfiguration.create())
70        .when(rs).getConfiguration();
71      Mockito.doReturn(fakeResponse).when(rs).getServerInfo(
72        (RpcController)Mockito.any(), (GetServerInfoRequest)Mockito.any());
73      // Fake ZKW
74      ZooKeeperWatcher zkw = Mockito.mock(ZooKeeperWatcher.class);
75      Mockito.doReturn("fakequorum").when(zkw).getQuorum();
76      Mockito.doReturn(zkw).when(rs).getZooKeeper();
77  
78      // Fake MasterAddressTracker
79      MasterAddressTracker mat = Mockito.mock(MasterAddressTracker.class);
80      Mockito.doReturn(fakeMasterAddress).when(mat).getMasterAddress();
81      Mockito.doReturn(mat).when(rs).getMasterAddressTracker();
82  
83      MetricsRegionServer rms = Mockito.mock(MetricsRegionServer.class);
84      Mockito.doReturn(new MetricsRegionServerWrapperStub()).when(rms).getRegionServerWrapper();
85      Mockito.doReturn(rms).when(rs).getMetrics();
86    }
87    
88    @Test
89    public void testBasic() throws IOException, ServiceException {
90      new RSStatusTmpl().render(new StringWriter(), rs);
91    }
92    
93    @Test
94    public void testWithRegions() throws IOException, ServiceException {
95      HTableDescriptor htd = new HTableDescriptor(TableName.valueOf("mytable"));
96      List<HRegionInfo> regions = Lists.newArrayList(
97          new HRegionInfo(htd.getTableName(), Bytes.toBytes("a"), Bytes.toBytes("d")),
98          new HRegionInfo(htd.getTableName(), Bytes.toBytes("d"), Bytes.toBytes("z"))
99          );
100     Mockito.doReturn(ResponseConverter.buildGetOnlineRegionResponse(
101       regions)).when(rs).getOnlineRegion((RpcController)Mockito.any(),
102         (GetOnlineRegionRequest)Mockito.any());
103     
104     new RSStatusTmpl().render(new StringWriter(), rs);
105   }
106   
107   
108 
109 }
110