content: /*
   * Copyright 1999-2018 Alibaba Group Holding Ltd.
   *
   * Licensed 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.csp.sentinel.cluster.flow.statistic.metric;
  
  import com.alibaba.csp.sentinel.cluster.server.AbstractTimeBasedTest;
  import com.alibaba.csp.sentinel.util.TimeUtil;
  import org.junit.Assert;
  import org.junit.Test;
  import org.mockito.MockedStatic;
  
  import java.util.HashMap;
  import java.util.Map;
  
  public class ClusterParamMetricTest extends AbstractTimeBasedTest {
  
      @Test
      public void testClusterParamMetric() {
          try (MockedStatic<TimeUtil> mocked = super.mockTimeUtil()) {
              setCurrentMillis(mocked, System.currentTimeMillis());
              Map<Object, Double> topMap = new HashMap<Object, Double>();
              ClusterParamMetric metric = new ClusterParamMetric(5, 25, 100);
              metric.addValue("e1", -1);
              metric.addValue("e1", -2);
              metric.addValue("e2", 100);
              metric.addValue("e2", 23);
              metric.addValue("e3", 100);
              metric.addValue("e3", 230);
              Assert.assertEquals(-3, metric.getSum("e1"));
              Assert.assertEquals(-120, metric.getAvg("e1"), 0.01);
              topMap.put("e3", (double) 13200);
              Assert.assertEquals(topMap, metric.getTopValues(1));
              topMap.put("e2", (double) 4920);
              topMap.put("e1", (double) -120);
              Assert.assertEquals(topMap, metric.getTopValues(5));
              metric.addValue("e2", 100);
              metric.addValue("e2", 23);
              Assert.assertEquals(246, metric.getSum("e2"));
              Assert.assertEquals(9840, metric.getAvg("e2"), 0.01);
          }
      }
  
      @Test(expected = IllegalArgumentException.class)
      public void testIllegalArgument() {
          ClusterParamMetric metric = new ClusterParamMetric(5, 25, 100);
          metric.getTopValues(-1);
      }
  }
  