code: /*
   * 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.skywalking.oap.query.graphql.mqe;
  
  import org.apache.skywalking.mqe.rt.grammar.MQEParser;
  import org.apache.skywalking.oap.query.graphql.mqe.rt.operation.AggregateLabelsOp;
  import org.apache.skywalking.oap.query.graphql.type.mql.ExpressionResult;
  import org.apache.skywalking.oap.query.graphql.type.mql.ExpressionResultType;
  import org.junit.jupiter.api.Test;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  
  public class AggregateLabelsOpTest {
  
      private final MockData mockData = new MockData();
  
      @Test
      public void seriesLabeledTest() throws Exception {
          ExpressionResult avgReduce = AggregateLabelsOp.doAggregateLabelsOp(mockData.newSeriesLabeledResult(), MQEParser.AVG);
          assertEquals(ExpressionResultType.TIME_SERIES_VALUES, avgReduce.getType());
          assertEquals((100f + 101f) / 2, avgReduce.getResults().get(0).getValues().get(0).getDoubleValue());
          assertEquals((300f + 301f) / 2, avgReduce.getResults().get(0).getValues().get(1).getDoubleValue());
  
          ExpressionResult sumReduce = AggregateLabelsOp.doAggregateLabelsOp(mockData.newSeriesLabeledResult(), MQEParser.SUM);
          assertEquals(ExpressionResultType.TIME_SERIES_VALUES, sumReduce.getType());
          assertEquals(100f + 101f, sumReduce.getResults().get(0).getValues().get(0).getDoubleValue());
          assertEquals(300f + 301f, sumReduce.getResults().get(0).getValues().get(1).getDoubleValue());
  
          ExpressionResult minReduce = AggregateLabelsOp.doAggregateLabelsOp(mockData.newSeriesLabeledResult(), MQEParser.MIN);
          assertEquals(ExpressionResultType.TIME_SERIES_VALUES, minReduce.getType());
          assertEquals(100f, minReduce.getResults().get(0).getValues().get(0).getDoubleValue());
          assertEquals(300f, minReduce.getResults().get(0).getValues().get(1).getDoubleValue());
  
          ExpressionResult maxReduce = AggregateLabelsOp.doAggregateLabelsOp(mockData.newSeriesLabeledResult(), MQEParser.MAX);
          assertEquals(ExpressionResultType.TIME_SERIES_VALUES, maxReduce.getType());
          assertEquals(101f, maxReduce.getResults().get(0).getValues().get(0).getDoubleValue());
          assertEquals(301f, maxReduce.getResults().get(0).getValues().get(1).getDoubleValue());
      }
  }
  