iotdb-core/datanode/src/test/java/org/apache/iotdb/db/queryengine/plan/planner/node/source/SeriesAggregationScanNodeSerdeTest.java

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 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
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package org.apache.iotdb.db.queryengine.plan.planner.node.source;

import org.apache.iotdb.common.rpc.thrift.TAggregationType;
import org.apache.iotdb.commons.exception.IllegalPathException;
import org.apache.iotdb.commons.path.MeasurementPath;
import org.apache.iotdb.commons.path.PartialPath;
import org.apache.iotdb.db.exception.query.QueryProcessException;
import org.apache.iotdb.db.queryengine.plan.expression.leaf.TimeSeriesOperand;
import org.apache.iotdb.db.queryengine.plan.planner.node.PlanNodeDeserializeHelper;
import org.apache.iotdb.db.queryengine.plan.planner.plan.node.PlanNodeId;
import org.apache.iotdb.db.queryengine.plan.planner.plan.node.source.SeriesAggregationScanNode;
import org.apache.iotdb.db.queryengine.plan.planner.plan.parameter.AggregationDescriptor;
import org.apache.iotdb.db.queryengine.plan.planner.plan.parameter.AggregationStep;
import org.apache.iotdb.db.queryengine.plan.planner.plan.parameter.GroupByTimeParameter;
import org.apache.iotdb.db.queryengine.plan.statement.component.Ordering;
import org.apache.iotdb.tsfile.file.metadata.enums.TSDataType;
import org.apache.iotdb.tsfile.utils.TimeDuration;

import org.junit.Test;

import java.nio.ByteBuffer;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

import static org.apache.iotdb.db.queryengine.plan.expression.ExpressionFactory.gt;
import static org.apache.iotdb.db.queryengine.plan.expression.ExpressionFactory.longValue;
import static org.apache.iotdb.db.queryengine.plan.expression.ExpressionFactory.time;
import static org.junit.Assert.assertEquals;

public class SeriesAggregationScanNodeSerdeTest {
  @Test
  public void testSerializeAndDeserialize() throws QueryProcessException, IllegalPathException {
    List<AggregationDescriptor> aggregationDescriptorList = new ArrayList<>();
    aggregationDescriptorList.add(
        new AggregationDescriptor(
            TAggregationType.MAX_TIME.name().toLowerCase(),
            AggregationStep.FINAL,
            Collections.singletonList(new TimeSeriesOperand(new PartialPath("root.sg.d1.s1")))));
    GroupByTimeParameter groupByTimeParameter =
        new GroupByTimeParameter(1, 100, new TimeDuration(1, 0), new TimeDuration(1, 0), true);
    SeriesAggregationScanNode seriesAggregationScanNode =
        new SeriesAggregationScanNode(
            new PlanNodeId("TestSeriesAggregateScanNode"),
            new MeasurementPath("root.sg.d1.s1", TSDataType.BOOLEAN),
            aggregationDescriptorList,
            Ordering.ASC,
            gt(time(), longValue(100)),
            groupByTimeParameter,
            null);

    ByteBuffer byteBuffer = ByteBuffer.allocate(2048);
    seriesAggregationScanNode.serialize(byteBuffer);
    byteBuffer.flip();
    assertEquals(PlanNodeDeserializeHelper.deserialize(byteBuffer), seriesAggregationScanNode);
  }
}