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

// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// 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
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied.  See the License for the
// specific language governing permissions and limitations
// under the License.

package org.apache.doris.persist;

import org.junit.Test;

import java.io.File;
import java.io.FileWriter;
import java.io.IOException;

public class EditLogTest {
    private String meta = "editLogTestDir/";
    
    public void mkdir() {
        File dir = new File(meta);
        if (!dir.exists()) {
            dir.mkdir();
        } else {
            File[] files = dir.listFiles();
            for (File file : files) {
                if (file.isFile()) {
                    file.delete();
                }
            }
        }
    }
    
    public void addFiles(int image, int edit) {
        File imageFile = new File(meta + "image." + image);
        try {
            imageFile.createNewFile();
        } catch (IOException e) {
            e.printStackTrace();
        }
        
        for (int i = 1; i <= edit; i++) {
            File editFile = new File(meta + "edits." + i);
            try {
                editFile.createNewFile();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        
        File current = new File(meta + "edits");
        try {
            current.createNewFile();
        } catch (IOException e) {
            e.printStackTrace();
        }
        
        File version = new File(meta + "VERSION");
        try {
            version.createNewFile();
            String line1 = "#Mon Feb 02 13:59:54 CST 2015\n";
            String line2 = "clusterId=966271669";
            FileWriter fw = new FileWriter(version);
            fw.write(line1);
            fw.write(line2);
            fw.flush();
            fw.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
    
    public void deleteDir() {
        File dir = new File(meta);
        if (dir.exists()) {
            File[] files = dir.listFiles();
            for (File file : files) {
                if (file.isFile()) {
                    file.delete();
                }
            }
            
            dir.delete();
        }
    }
    
    @Test
    public void testWriteLog() throws IOException {

    }
    
    @Test
    public void test() {

    }
}