fe/fe-core/src/test/java/org/apache/doris/load/loadv2/BrokerFileGroupAggInfoTest.java

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package org.apache.doris.load.loadv2;

import org.apache.doris.common.DdlException;
import org.apache.doris.common.jmockit.Deencapsulation;
import org.apache.doris.load.BrokerFileGroup;
import org.apache.doris.load.BrokerFileGroupAggInfo;
import org.apache.doris.load.BrokerFileGroupAggInfo.FileGroupAggKey;

import com.google.common.collect.Lists;

import org.junit.Assert;
import org.junit.Test;

import java.util.List;
import java.util.Map;

public class BrokerFileGroupAggInfoTest {

    @Test
    public void test1() throws DdlException {
        /*
         * data description:
         *  table 1 -> partition[10] file1
         *  table 1 -> partition[10] file2
         *  table 2 -> partition[]   file3
         *  table 3 -> partition[11, 12]   file4
         *  
         * output:
         *  table 1 -> partition[10] (file1, file2)
         *  table 2 -> partition[]   file3
         *  table 3 -> partition[11, 12]   file4
         */
        BrokerFileGroupAggInfo brokerFileGroupAggInfo = new BrokerFileGroupAggInfo();

        BrokerFileGroup group1 = Deencapsulation.newInstance(BrokerFileGroup.class);
        Deencapsulation.setField(group1, "tableId", 1L);
        Deencapsulation.setField(group1, "partitionIds", Lists.newArrayList(10L));

        BrokerFileGroup group2 = Deencapsulation.newInstance(BrokerFileGroup.class);
        Deencapsulation.setField(group2, "tableId", 1L);
        Deencapsulation.setField(group2, "partitionIds", Lists.newArrayList(10L));

        BrokerFileGroup group3 = Deencapsulation.newInstance(BrokerFileGroup.class);
        Deencapsulation.setField(group3, "tableId", 2L);
        Deencapsulation.setField(group3, "partitionIds", Lists.newArrayList());

        BrokerFileGroup group4 = Deencapsulation.newInstance(BrokerFileGroup.class);
        Deencapsulation.setField(group4, "tableId", 3L);
        Deencapsulation.setField(group4, "partitionIds", Lists.newArrayList(11L, 12L));

        BrokerFileGroup group5 = Deencapsulation.newInstance(BrokerFileGroup.class);
        Deencapsulation.setField(group5, "tableId", 4L);
        Deencapsulation.setField(group5, "partitionIds", null);

        brokerFileGroupAggInfo.addFileGroup(group1);
        brokerFileGroupAggInfo.addFileGroup(group2);
        brokerFileGroupAggInfo.addFileGroup(group3);
        brokerFileGroupAggInfo.addFileGroup(group4);
        brokerFileGroupAggInfo.addFileGroup(group5);

        Map<FileGroupAggKey, List<BrokerFileGroup>> map = brokerFileGroupAggInfo.getAggKeyToFileGroups();
        Assert.assertEquals(4, map.keySet().size());
        FileGroupAggKey aggKey = new FileGroupAggKey(1L, Lists.newArrayList(10L));
        Assert.assertEquals(2, map.get(aggKey).size());
        aggKey = new FileGroupAggKey(2L, Lists.newArrayList());
        Assert.assertEquals(1, map.get(aggKey).size());
        aggKey = new FileGroupAggKey(3L, Lists.newArrayList(11L, 12L));
        Assert.assertEquals(1, map.get(aggKey).size());
        aggKey = new FileGroupAggKey(4L, Lists.newArrayList());
        Assert.assertEquals(1, map.get(aggKey).size());
    }

    @Test(expected = DdlException.class)
    public void test2() throws DdlException {
        /*
         * data description:
         *  table 1 -> partition[10, 11] file1
         *  table 1 -> partition[11, 12] file2
         *  table 2 -> partition[]   file3
         *  
         * output:
         *  throw exception
         */
        BrokerFileGroupAggInfo brokerFileGroupAggInfo = new BrokerFileGroupAggInfo();

        BrokerFileGroup group1 = Deencapsulation.newInstance(BrokerFileGroup.class);
        Deencapsulation.setField(group1, "tableId", 1L);
        Deencapsulation.setField(group1, "partitionIds", Lists.newArrayList(10L, 11L));

        BrokerFileGroup group2 = Deencapsulation.newInstance(BrokerFileGroup.class);
        Deencapsulation.setField(group2, "tableId", 1L);
        Deencapsulation.setField(group2, "partitionIds", Lists.newArrayList(11L, 12L));

        BrokerFileGroup group3 = Deencapsulation.newInstance(BrokerFileGroup.class);
        Deencapsulation.setField(group3, "tableId", 2L);
        Deencapsulation.setField(group3, "partitionIds", Lists.newArrayList());

        brokerFileGroupAggInfo.addFileGroup(group1);
        brokerFileGroupAggInfo.addFileGroup(group2);
    }

}