/*
* 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.metrics2.source;
import org.junit.Test;
import static org.mockito.Mockito.*;
import static org.apache.hadoop.test.MetricsAsserts.*;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.metrics2.MetricsCollector;
import org.apache.hadoop.metrics2.MetricsRecordBuilder;
import org.apache.hadoop.util.JvmPauseMonitor;
import static org.apache.hadoop.metrics2.source.JvmMetricsInfo.*;
import static org.apache.hadoop.metrics2.impl.MsInfo.*;
public class TestJvmMetrics {
@Test public void testPresence() {
JvmPauseMonitor pauseMonitor = new JvmPauseMonitor(new Configuration());
JvmMetrics jvmMetrics = new JvmMetrics("test", "test");
jvmMetrics.setPauseMonitor(pauseMonitor);
MetricsRecordBuilder rb = getMetrics(jvmMetrics);
MetricsCollector mc = rb.parent();
verify(mc).addRecord(JvmMetrics);
verify(rb).tag(ProcessName, "test");
verify(rb).tag(SessionId, "test");
for (JvmMetricsInfo info : JvmMetricsInfo.values()) {
if (info.name().startsWith("Mem"))
verify(rb).addGauge(eq(info), anyFloat());
else if (info.name().startsWith("Gc"))
verify(rb).addCounter(eq(info), anyLong());
else if (info.name().startsWith("Threads"))
verify(rb).addGauge(eq(info), anyInt());
else if (info.name().startsWith("Log"))
verify(rb).addCounter(eq(info), anyLong());
}
}
}