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/*
* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch 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.elasticsearch.monitor.os;
import org.apache.lucene.util.Constants;
import org.elasticsearch.test.ESTestCase;
import static org.hamcrest.Matchers.*;
public class OsProbeTests extends ESTestCase {
OsProbe probe = OsProbe.getInstance();
public void testOsInfo() {
OsInfo info = probe.osInfo();
assertNotNull(info);
assertThat(info.getRefreshInterval(), anyOf(equalTo(-1L), greaterThanOrEqualTo(0L)));
assertThat(info.getName(), equalTo(Constants.OS_NAME));
assertThat(info.getArch(), equalTo(Constants.OS_ARCH));
assertThat(info.getVersion(), equalTo(Constants.OS_VERSION));
assertThat(info.getAvailableProcessors(), equalTo(Runtime.getRuntime().availableProcessors()));
}
public void testOsStats() {
OsStats stats = probe.osStats();
assertNotNull(stats);
assertThat(stats.getTimestamp(), greaterThan(0L));
assertThat(stats.getCpu().getPercent(), anyOf(equalTo((short) -1), is(both(greaterThanOrEqualTo((short) 0)).and(lessThanOrEqualTo((short) 100)))));
if (Constants.WINDOWS) {
// Load average is always -1 on Windows platforms
assertThat(stats.getCpu().getLoadAverage(), equalTo((double) -1));
} else {
// Load average can be negative if not available or not computed yet, otherwise it should be >= 0
assertThat(stats.getCpu().getLoadAverage(), anyOf(lessThan((double) 0), greaterThanOrEqualTo((double) 0)));
}
assertNotNull(stats.getMem());
assertThat(stats.getMem().getTotal().bytes(), greaterThan(0L));
assertThat(stats.getMem().getFree().bytes(), greaterThan(0L));
assertThat(stats.getMem().getFreePercent(), allOf(greaterThanOrEqualTo((short) 0), lessThanOrEqualTo((short) 100)));
assertThat(stats.getMem().getUsed().bytes(), greaterThan(0L));
assertThat(stats.getMem().getUsedPercent(), allOf(greaterThanOrEqualTo((short) 0), lessThanOrEqualTo((short) 100)));
assertNotNull(stats.getSwap());
assertNotNull(stats.getSwap().getTotal());
long total = stats.getSwap().getTotal().bytes();
if (total > 0) {
assertThat(stats.getSwap().getTotal().bytes(), greaterThan(0L));
assertThat(stats.getSwap().getFree().bytes(), greaterThan(0L));
assertThat(stats.getSwap().getUsed().bytes(), greaterThanOrEqualTo(0L));
} else {
// On platforms with no swap
assertThat(stats.getSwap().getTotal().bytes(), equalTo(0L));
assertThat(stats.getSwap().getFree().bytes(), equalTo(0L));
assertThat(stats.getSwap().getUsed().bytes(), equalTo(0L));
}
}
}
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