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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  
23  import org.apache.hadoop.hbase.testclassification.SmallTests;
24  import org.junit.Test;
25  import org.junit.experimental.categories.Category;
26  
27  @Category(SmallTests.class)
28  public class TestRequestCountPerSecond {
29  
30    @Test
31    public void test() {
32      RequestCountPerSecond requestCountPerSecond = new RequestCountPerSecond();
33  
34      requestCountPerSecond.refresh(1000, 300, 200);
35      assertThat(requestCountPerSecond.getRequestCountPerSecond(), is(0L));
36      assertThat(requestCountPerSecond.getReadRequestCountPerSecond(), is(0L));
37      assertThat(requestCountPerSecond.getWriteRequestCountPerSecond(), is(0L));
38  
39      requestCountPerSecond.refresh(2000, 1300, 1200);
40      assertThat(requestCountPerSecond.getRequestCountPerSecond(), is(2000L));
41      assertThat(requestCountPerSecond.getReadRequestCountPerSecond(), is(1000L));
42      assertThat(requestCountPerSecond.getWriteRequestCountPerSecond(), is(1000L));
43  
44      requestCountPerSecond.refresh(12000, 5300, 2200);
45      assertThat(requestCountPerSecond.getRequestCountPerSecond(), is(500L));
46      assertThat(requestCountPerSecond.getReadRequestCountPerSecond(), is(400L));
47      assertThat(requestCountPerSecond.getWriteRequestCountPerSecond(), is(100L));
48    }
49  }