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.metrics.impl;
019
020import com.codahale.metrics.Meter;
021import org.apache.hadoop.hbase.HBaseClassTestRule;
022import org.apache.hadoop.hbase.testclassification.SmallTests;
023import org.junit.Before;
024import org.junit.ClassRule;
025import org.junit.Test;
026import org.junit.experimental.categories.Category;
027import org.mockito.Mockito;
028
029/**
030 * Test class for {@link DropwizardMeter}.
031 */
032@Category(SmallTests.class)
033public class TestDropwizardMeter {
034
035  @ClassRule
036  public static final HBaseClassTestRule CLASS_RULE =
037    HBaseClassTestRule.forClass(TestDropwizardMeter.class);
038
039  private Meter meter;
040
041  @Before
042  public void setup() {
043    this.meter = Mockito.mock(Meter.class);
044  }
045
046  @Test
047  public void test() {
048    DropwizardMeter dwMeter = new DropwizardMeter(this.meter);
049
050    dwMeter.mark();
051    dwMeter.mark(10L);
052    dwMeter.mark();
053    dwMeter.mark();
054
055    Mockito.verify(meter, Mockito.times(3)).mark();
056    Mockito.verify(meter).mark(10L);
057  }
058}