/**
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.hadoop.hbase.regionserver.wal;
import org.apache.hadoop.hbase.testclassification.SmallTests;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import java.util.concurrent.TimeUnit;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
@Category(SmallTests.class)
public class TestMetricsWAL {
@Test
public void testLogRollRequested() throws Exception {
MetricsWALSource source = mock(MetricsWALSourceImpl.class);
MetricsWAL metricsWAL = new MetricsWAL(source);
metricsWAL.logRollRequested(false);
metricsWAL.logRollRequested(true);
// Log roll was requested twice
verify(source, times(2)).incrementLogRollRequested();
// One was because of low replication on the hlog.
verify(source, times(1)).incrementLowReplicationLogRoll();
}
@Test
public void testPostSync() throws Exception {
long nanos = TimeUnit.MILLISECONDS.toNanos(145);
MetricsWALSource source = mock(MetricsWALSourceImpl.class);
MetricsWAL metricsWAL = new MetricsWAL(source);
metricsWAL.postSync(nanos, 1);
verify(source, times(1)).incrementSyncTime(145);
}
}