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1   /**
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  You may obtain a copy of the License at
9    *
10   *     http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing, software
13   * distributed under the License is distributed on an "AS IS" BASIS,
14   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15   * See the License for the specific language governing permissions and
16   * limitations under the License.
17   */
18  package org.apache.hadoop.hbase.hbtop.mode;
19  
20  import static org.hamcrest.CoreMatchers.is;
21  import static org.junit.Assert.assertThat;
22  import static org.junit.Assert.fail;
23  
24  import java.util.List;
25  import org.apache.hadoop.hbase.hbtop.Record;
26  import org.apache.hadoop.hbase.hbtop.TestUtils;
27  import org.apache.hadoop.hbase.hbtop.field.Field;
28  import org.apache.hadoop.hbase.testclassification.SmallTests;
29  import org.junit.experimental.categories.Category;
30  
31  @Category(SmallTests.class)
32  public class TestRegionServerMode extends TestModeBase {
33  
34    @Override
35    protected Mode getMode() {
36      return Mode.REGION_SERVER;
37    }
38  
39    @Override
40    protected void assertRecords(List<Record> records) {
41      TestUtils.assertRecordsInRegionServerMode(records);
42    }
43  
44    @Override
45    protected void assertDrillDown(Record currentRecord, DrillDownInfo drillDownInfo) {
46      assertThat(drillDownInfo.getNextMode(), is(Mode.REGION));
47      assertThat(drillDownInfo.getInitialFilters().size(), is(1));
48  
49      switch (currentRecord.get(Field.REGION_SERVER).asString()) {
50        case "host1:1000":
51          assertThat(drillDownInfo.getInitialFilters().get(0).toString(), is("RS==host1:1000"));
52          break;
53  
54        case "host2:1001":
55          assertThat(drillDownInfo.getInitialFilters().get(0).toString(), is("RS==host2:1001"));
56          break;
57  
58        default:
59          fail();
60      }
61    }
62  }