fe/fe-core/src/test/java/org/apache/doris/persist/GlobalVarPersistInfoTest.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
// with the License.  You may obtain a copy of the License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
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package org.apache.doris.persist;

import org.apache.doris.qe.SessionVariable;
import org.apache.doris.qe.VariableMgr;

import com.google.common.collect.Lists;

import org.junit.After;
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.List;

public class GlobalVarPersistInfoTest {
    private static String fileName = "./GlobalVarPersistInfoTest";

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

    @Test
    public void testSerializeAlterViewInfo() throws IOException {
        // 1. Write objects to file
        File file = new File(fileName);
        file.createNewFile();
        DataOutputStream out = new DataOutputStream(new FileOutputStream(file));


        SessionVariable sessionVariable = VariableMgr.newSessionVariable();
        List<String> varNames = Lists.newArrayList();
        varNames.add("exec_mem_limit");
        varNames.add("default_rowset_type");
        GlobalVarPersistInfo info = new GlobalVarPersistInfo(sessionVariable, varNames);

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

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

        GlobalVarPersistInfo newInfo = GlobalVarPersistInfo.read(in);
        System.out.println(newInfo.getPersistJsonString());

        in.close();
    }


}