fe/fe-core/src/test/java/org/apache/doris/transaction/TransactionStateTest.java

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// to you under the Apache License, Version 2.0 (the
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//
//   http://www.apache.org/licenses/LICENSE-2.0
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package org.apache.doris.transaction;

import org.apache.doris.common.FeMetaVersion;
import org.apache.doris.meta.MetaContext;
import org.apache.doris.thrift.TUniqueId;
import org.apache.doris.transaction.TransactionState.LoadJobSourceType;
import org.apache.doris.transaction.TransactionState.TxnCoordinator;
import org.apache.doris.transaction.TransactionState.TxnSourceType;

import com.google.common.collect.Lists;

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

import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.UUID;

public class TransactionStateTest {

    private static String fileName = "./TransactionStateTest";

    @After
    public void tearDown() {
        File file = new File(fileName);
        file.delete();
    }

    @Test
    public void testSerDe() throws IOException {
        MetaContext metaContext = new MetaContext();
        metaContext.setMetaVersion(FeMetaVersion.VERSION_83);
        metaContext.setThreadLocalInfo();

        // 1. Write objects to file
        File file = new File(fileName);
        file.createNewFile();
        DataOutputStream out = new DataOutputStream(new FileOutputStream(file));

        UUID uuid = UUID.randomUUID();
        TransactionState transactionState = new TransactionState(1000L, Lists.newArrayList(20000L, 20001L),
                3000, "label123", new TUniqueId(uuid.getMostSignificantBits(), uuid.getLeastSignificantBits()),
                LoadJobSourceType.BACKEND_STREAMING, new TxnCoordinator(TxnSourceType.BE, "127.0.0.1"), 50000L,
                60 * 1000L);

        transactionState.write(out);
        out.flush();
        out.close();

        // 2. Read objects from file
        DataInputStream in = new DataInputStream(new FileInputStream(file));
        TransactionState readTransactionState = new TransactionState();
        readTransactionState.readFields(in);

        Assert.assertEquals(transactionState.getCoordinator().ip, readTransactionState.getCoordinator().ip);
        in.close();
    }

}