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

import org.apache.doris.catalog.FsBroker;
import org.apache.doris.common.FeMetaVersion;
import org.apache.doris.meta.MetaContext;
import org.apache.doris.system.BrokerHbResponse;

import org.junit.AfterClass;
import org.junit.Assert;
import org.junit.BeforeClass;
import org.junit.Test;

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

public class FsBrokerTest {

    private static String fileName1 = "./FsBrokerTest1";
    private static String fileName2 = "./FsBrokerTest2";

    @BeforeClass
    public static void setup() {
        MetaContext context = new MetaContext();
        context.setMetaVersion(FeMetaVersion.VERSION_73);
        context.setThreadLocalInfo();
    }

    @AfterClass
    public static void tear() {
        new File(fileName1).delete();
        new File(fileName2).delete();
    }

    @Test
    public void testHeartbeatOk() throws Exception {
        // 1. Write objects to file
        File file = new File(fileName1);
        file.createNewFile();
        DataOutputStream dos = new DataOutputStream(new FileOutputStream(file));
        
        FsBroker fsBroker = new FsBroker("127.0.0.1", 8118);
        long time = System.currentTimeMillis();
        BrokerHbResponse hbResponse = new BrokerHbResponse("broker", "127.0.0.1", 8118, time);
        fsBroker.handleHbResponse(hbResponse);
        fsBroker.write(dos);
        dos.flush();
        dos.close();
        
        // 2. Read objects from file
        DataInputStream dis = new DataInputStream(new FileInputStream(file));
        
        FsBroker readBroker = FsBroker.readIn(dis);
        Assert.assertEquals(fsBroker.ip, readBroker.ip);
        Assert.assertEquals(fsBroker.port, readBroker.port);
        Assert.assertEquals(fsBroker.isAlive, readBroker.isAlive);
        Assert.assertTrue(fsBroker.isAlive);
        Assert.assertEquals(time, readBroker.lastStartTime);
        Assert.assertEquals(-1, readBroker.lastUpdateTime);
        dis.close();
    }

    @Test
    public void testHeartbeatFailed() throws Exception {
        // 1. Write objects to file
        File file = new File(fileName2);
        file.createNewFile();
        DataOutputStream dos = new DataOutputStream(new FileOutputStream(file));

        FsBroker fsBroker = new FsBroker("127.0.0.1", 8118);
        long time = System.currentTimeMillis();
        BrokerHbResponse hbResponse = new BrokerHbResponse("broker", "127.0.0.1", 8118, "got exception");
        fsBroker.handleHbResponse(hbResponse);
        fsBroker.write(dos);
        dos.flush();
        dos.close();

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

        FsBroker readBroker = FsBroker.readIn(dis);
        Assert.assertEquals(fsBroker.ip, readBroker.ip);
        Assert.assertEquals(fsBroker.port, readBroker.port);
        Assert.assertEquals(fsBroker.isAlive, readBroker.isAlive);
        Assert.assertFalse(fsBroker.isAlive);
        Assert.assertEquals(-1, readBroker.lastStartTime);
        Assert.assertEquals(-1, readBroker.lastUpdateTime);
        dis.close();
    }
}