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 20 package org.apache.hadoop.hbase.regionserver.wal; 21 22 import org.apache.hadoop.hbase.testclassification.SmallTests; 23 import org.junit.Test; 24 import org.junit.experimental.categories.Category; 25 26 import static org.mockito.Mockito.mock; 27 import static org.mockito.Mockito.times; 28 import static org.mockito.Mockito.verify; 29 30 @Category(SmallTests.class) 31 public class TestMetricsWAL { 32 @Test 33 public void testLogRollRequested() throws Exception { 34 MetricsWALSource source = mock(MetricsWALSourceImpl.class); 35 MetricsWAL metricsWAL = new MetricsWAL(source); 36 metricsWAL.logRollRequested(false); 37 metricsWAL.logRollRequested(true); 38 39 // Log roll was requested twice 40 verify(source, times(2)).incrementLogRollRequested(); 41 // One was because of low replication on the hlog. 42 verify(source, times(1)).incrementLowReplicationLogRoll(); 43 } 44 }