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.server.core.analysis.meter.function.sumpermin;
  
  import org.apache.skywalking.oap.server.core.analysis.Layer;
  import org.apache.skywalking.oap.server.core.analysis.TimeBucket;
  import org.apache.skywalking.oap.server.core.analysis.meter.MeterEntity;
  import org.apache.skywalking.oap.server.core.analysis.meter.function.AcceptableValue;
  import org.apache.skywalking.oap.server.core.analysis.metrics.DataTable;
  import org.apache.skywalking.oap.server.core.config.NamingControl;
  import org.apache.skywalking.oap.server.core.config.group.EndpointNameGrouping;
  import org.apache.skywalking.oap.server.core.storage.type.HashMapConverter;
  import org.apache.skywalking.oap.server.core.storage.type.StorageBuilder;
  import org.junit.jupiter.api.AfterAll;
  import org.junit.jupiter.api.BeforeAll;
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Test;
  import org.junit.jupiter.api.extension.ExtendWith;
  import org.mockito.Mockito;
  import org.mockito.junit.jupiter.MockitoExtension;
  
  import java.util.Map;
  
  import static org.assertj.core.api.AssertionsForClassTypes.assertThat;
  
  @ExtendWith(MockitoExtension.class)
  public class SumPerMinLabeledFunctionTest {
  
      private SumPerMinLabeledFunctionInst function;
      private DataTable table1;
      private DataTable table2;
  
      @BeforeAll
      public static void setup() {
          MeterEntity.setNamingControl(
              new NamingControl(512, 512, 512, new EndpointNameGrouping()));
      }
  
      @BeforeEach
      public void before() {
          function = new SumPerMinLabeledFunctionInst();
          function.setTimeBucket(TimeBucket.getMinuteTimeBucket(System.currentTimeMillis()));
  
          table1 = new DataTable();
          table1.put("200", 100L);
          table1.put("300", 50L);
  
          table2 = new DataTable();
          table2.put("200", 120L);
          table2.put("300", 17L);
          table2.put("400", 77L);
      }
  
      @AfterAll
      public static void tearDown() {
          MeterEntity.setNamingControl(null);
      }
  
      @Test
      public void testAccept() {
          function.accept(MeterEntity.newService("sum_sync_time", Layer.GENERAL), table1);
          function.calculate();
          assertThat(function.getValue()).isEqualTo(table1);
          function.accept(MeterEntity.newService("sum_sync_time", Layer.GENERAL), table2);
          function.calculate();
          assertThat(function.getValue()).isEqualTo(table1.append(table2));
      }
  
      @Test
      public void testCalculate() {
          function.accept(MeterEntity.newService("sum_sync_time", Layer.GENERAL), table1);
          function.accept(MeterEntity.newService("sum_sync_time", Layer.GENERAL), table2);
          function.calculate();
          assertThat(function.getValue()).isEqualTo(table1.append(table2));
      }
  
      @Test
      public void testHour() {
          function.setTimeBucket(TimeBucket.getMinuteTimeBucket(System.currentTimeMillis()));
          function.accept(MeterEntity.newService("sum_sync_time", Layer.GENERAL), table1);
          function.accept(MeterEntity.newService("sum_sync_time", Layer.GENERAL), table2);
          function.calculate();
          final SumPerMinLabeledFunction hourFunction = (SumPerMinLabeledFunction) function.toHour();
          hourFunction.calculate();
          final DataTable result = new DataTable();
          result.append(table1);
          result.append(table2);
          for (String key : result.keys()) {
              result.put(key, result.get(key) / 60);
          }
          assertThat(hourFunction.getValue()).isEqualTo(result);
      }
  
      @Test
      public void testSerialize() {
          function.accept(MeterEntity.newService("sum_sync_time", Layer.GENERAL), table1);
          SumPerMinLabeledFunction function2 = Mockito.spy(SumPerMinLabeledFunction.class);
          function2.deserialize(function.serialize().build());
          assertThat(function2.getEntityId()).isEqualTo(function.getEntityId());
          assertThat(function2.getTimeBucket()).isEqualTo(function.getTimeBucket());
      }
  
      @Test
      public void testBuilder() throws IllegalAccessException, InstantiationException {
          function.accept(MeterEntity.newService("sum_sync_time", Layer.GENERAL), table1);
          function.calculate();
          StorageBuilder<SumPerMinLabeledFunction> storageBuilder = function.builder().newInstance();
  
          final HashMapConverter.ToStorage toStorage = new HashMapConverter.ToStorage();
          storageBuilder.entity2Storage(function, toStorage);
          final Map<String, Object> map = toStorage.obtain();
          map.put(SumPerMinLabeledFunction.VALUE, ((DataTable) map.get(SumPerMinLabeledFunction.VALUE)).toStorageData());
          map.put(SumPerMinLabeledFunction.TOTAL, ((DataTable) map.get(SumPerMinLabeledFunction.TOTAL)).toStorageData());
  
          SumPerMinLabeledFunction function2 = storageBuilder.storage2Entity(new HashMapConverter.ToEntity(map));
          assertThat(function2.getValue()).isEqualTo(function.getValue());
      }
  
      private static class SumPerMinLabeledFunctionInst extends SumPerMinLabeledFunction {
          @Override
          public AcceptableValue<DataTable> createNew() {
              return new SumPerMinLabeledFunctionInst();
          }
      }
  }
  