fe/fe-core/src/test/java/org/apache/doris/persist/LoadJobV2PersistTest.java

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package org.apache.doris.persist;

import org.apache.doris.analysis.BrokerDesc;
import org.apache.doris.analysis.LoadStmt;
import org.apache.doris.analysis.UserIdentity;
import org.apache.doris.catalog.Catalog;
import org.apache.doris.catalog.Database;
import org.apache.doris.catalog.Table;
import org.apache.doris.common.FeMetaVersion;
import org.apache.doris.load.EtlJobType;
import org.apache.doris.load.loadv2.BrokerLoadJob;
import org.apache.doris.qe.OriginStatement;

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

import com.google.common.collect.Maps;

import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.util.Map;

import mockit.Expectations;
import mockit.Injectable;
import mockit.Mocked;

public class LoadJobV2PersistTest {
    private BrokerLoadJob createJob() throws Exception {
        String loadStmt = "";
        BrokerDesc brokerDesc = new BrokerDesc("bos", Maps.newHashMap());
        OriginStatement originStatement = new OriginStatement(loadStmt, 0);
        BrokerLoadJob brokerLoadJob = new BrokerLoadJob(1L, "label", brokerDesc, originStatement,
                UserIdentity.ADMIN);
        Map<String, String> jobProperties = Maps.newHashMap();
        jobProperties.put(LoadStmt.LOAD_PARALLELISM, "5");
        brokerLoadJob.setJobProperties(jobProperties);
        return brokerLoadJob;
    }

    @Test
    public void testBrokerLoadJob(@Mocked Catalog catalog,
                                  @Injectable Database database,
                                  @Injectable Table table) throws Exception {

        new Expectations() {
            {
                catalog.getDb(anyLong);
                minTimes = 0;
                result = database;
                database.getTable(anyLong);
                minTimes = 0;
                result = table;
                table.getName();
                minTimes = 0;
                result = "tablename";
                Catalog.getCurrentCatalogJournalVersion();
                minTimes = 0;
                result = FeMetaVersion.VERSION_CURRENT;
            }
        };

        // 1. Write objects to file
        File file = new File("./testBrokerLoadJob");
        file.createNewFile();
        DataOutputStream dos = new DataOutputStream(new FileOutputStream(file));

        BrokerLoadJob job = createJob();
        Assert.assertEquals(5, job.getLoadParallelism());
        job.write(dos);

        dos.flush();
        dos.close();

        // 2. Read objects from file
        DataInputStream dis = new DataInputStream(new FileInputStream(file));

        BrokerLoadJob rJob = (BrokerLoadJob)  BrokerLoadJob.read(dis);
        Assert.assertEquals(5, rJob.getLoadParallelism());
        Assert.assertEquals(EtlJobType.BROKER, rJob.getJobType());

        // 3. delete files
        dis.close();
        file.delete();
    }
}