content: /*
   * 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 com.alibaba.metrics.os.linux;
  
  import com.alibaba.metrics.Gauge;
  import com.alibaba.metrics.Metric;
  import com.alibaba.metrics.MetricName;
  import org.junit.Assert;
  import org.junit.Test;
  
  import java.util.Map;
  import java.util.concurrent.TimeUnit;
  
  public class SystemLoadGaugeSetTest {
  
      @Test
      public void testSystemLoadMetrics() {
  
          SystemLoadGaugeSet systemLoadGaugeSet = new SystemLoadGaugeSet(
                  10, TimeUnit.MILLISECONDS, "src/test/resources/proc_loadavg");
  
          Map<MetricName, Metric> metrics = systemLoadGaugeSet.getMetrics();
  
          Assert.assertEquals(3, metrics.keySet().size());
  
          try {
              Thread.sleep(20);
          } catch (InterruptedException e) {
              e.printStackTrace();
          }
  
          Gauge _1min = (Gauge)metrics.get(MetricName.build("load.1min"));
          Gauge _5min = (Gauge)metrics.get(MetricName.build("load.5min"));
          Gauge _15min = (Gauge)metrics.get(MetricName.build("load.15min"));
  
          Assert.assertEquals(0.08f, _1min.getValue());
          Assert.assertEquals(0.06f, _5min.getValue());
          Assert.assertEquals(0.05f, _15min.getValue());
  
      }
  }
  