MovePartitionFilesTest.java example

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Metamorphosis-master
/*
 * (C) 2007-2012 Alibaba Group Holding Limited.
 * 
 * Licensed 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.
 * Authors:
 *   wuhua <wq163@163.com> , boyan <killme2008@gmail.com>
 */
package com.taobao.metamorphosis.tools.shell;

import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;

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

import org.apache.commons.io.FileUtils;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;


/**
 * 
 * @author �޻�
 * @since 2011-8-25 ����2:20:38
 */

public class MovePartitionFilesTest {
    MovePartitionFiles movePartitionFiles;
    File testMetaDataDir;


    @Before
    public void setUp() throws IOException {
        this.movePartitionFiles = new MovePartitionFiles(System.out);
        this.testMetaDataDir = new File("testMetaDataDir");
        if (testMetaDataDir.exists()) {
            FileUtils.forceMkdir(this.testMetaDataDir);
        }
        System.out.println(this.testMetaDataDir.getAbsolutePath() + " created");
    }


    @Test
    public void testMove_normal_forward() throws Exception {
        // [4,5,6]-->[0,1,2]
        final File partition4Dir = new File(this.testMetaDataDir + File.separator + "topicxx-4");
        final File partition5Dir = new File(this.testMetaDataDir + File.separator + "topicxx-5");
        final File partition6Dir = new File(this.testMetaDataDir + File.separator + "topicxx-6");

        FileUtils.forceMkdir(partition4Dir);
        FileUtils.forceMkdir(partition5Dir);
        FileUtils.forceMkdir(partition6Dir);

        final File partition4DataFile = new File(partition4Dir, "0000.meta");
        partition4DataFile.createNewFile();

        this.movePartitionFiles
            .doMain(("-dataDir " + this.testMetaDataDir.getAbsolutePath() + " -topic topicxx -start 4 -end 6 -offset -4")
                .split(" "));

        assertTrue(new File(this.testMetaDataDir + File.separator + "topicxx-0").exists());
        assertTrue(new File(this.testMetaDataDir + File.separator + "topicxx-1").exists());
        assertTrue(new File(this.testMetaDataDir + File.separator + "topicxx-2").exists());
        assertTrue(new File(this.testMetaDataDir + File.separator + "topicxx-0" + File.separator + "0000.meta")
            .exists());

        assertFalse(new File(this.testMetaDataDir + File.separator + "topicxx-4").exists());
        assertFalse(new File(this.testMetaDataDir + File.separator + "topicxx-5").exists());
        assertFalse(new File(this.testMetaDataDir + File.separator + "topicxx-6").exists());

    }


    @Test
    public void testMove_normal_backward() throws Exception {
        // [0,1,2]-->[1,2,3]
        this.testMove_normal_forward();
        this.movePartitionFiles
            .doMain(("-dataDir " + this.testMetaDataDir.getAbsolutePath() + " -topic topicxx -start 0 -end 2 -offset 1")
                .split(" "));

        assertTrue(new File(this.testMetaDataDir + File.separator + "topicxx-1").exists());
        assertTrue(new File(this.testMetaDataDir + File.separator + "topicxx-2").exists());
        assertTrue(new File(this.testMetaDataDir + File.separator + "topicxx-3").exists());
        assertTrue(new File(this.testMetaDataDir + File.separator + "topicxx-1" + File.separator + "0000.meta")
            .exists());

        assertFalse(new File(this.testMetaDataDir + File.separator + "topicxx-0").exists());

    }


    @Test
    public void testMove_newFileExists() throws Exception {
        // [4,5,6]-->[0,1,2]. 1�Ѿ�����
        FileUtils.forceMkdir(new File(this.testMetaDataDir + File.separator + "topicxx-1"));
        try {
            this.testMove_normal_forward();
            fail();
        }
        catch (final RuntimeException e) {
            System.out.println(e.getMessage());
        }

        // û�仯
        assertTrue(new File(this.testMetaDataDir + File.separator + "topicxx-1").exists());
        assertTrue(new File(this.testMetaDataDir + File.separator + "topicxx-4").exists());
        assertTrue(new File(this.testMetaDataDir + File.separator + "topicxx-5").exists());
        assertTrue(new File(this.testMetaDataDir + File.separator + "topicxx-6").exists());
        assertTrue(new File(this.testMetaDataDir + File.separator + "topicxx-4" + File.separator + "0000.meta")
            .exists());

        assertFalse(new File(this.testMetaDataDir + File.separator + "topicxx-0").exists());
        assertFalse(new File(this.testMetaDataDir + File.separator + "topicxx-2").exists());

    }


    @Test
    public void testMove_oldFileNotExists() throws Exception {
        // [4,5,6]-->[0,1,2] . 5������
        final File partition4Dir = new File(this.testMetaDataDir + File.separator + "topicxx-4");
        final File partition6Dir = new File(this.testMetaDataDir + File.separator + "topicxx-6");

        FileUtils.forceMkdir(partition4Dir);
        FileUtils.forceMkdir(partition6Dir);

        final File partition4DataFile = new File(partition4Dir, "0000.meta");
        partition4DataFile.createNewFile();
        try {
            this.movePartitionFiles
                .doMain(("-dataDir " + this.testMetaDataDir.getAbsolutePath() + " -topic topicxx -start 4 -end 6 -offset -4")
                    .split(" "));
            fail();
        }
        catch (final RuntimeException e) {
            System.out.println(e.getMessage());
        }

        // û�仯
        assertTrue(new File(this.testMetaDataDir + File.separator + "topicxx-4").exists());
        assertFalse(new File(this.testMetaDataDir + File.separator + "topicxx-5").exists());
        assertTrue(new File(this.testMetaDataDir + File.separator + "topicxx-6").exists());
        assertTrue(new File(this.testMetaDataDir + File.separator + "topicxx-4" + File.separator + "0000.meta")
            .exists());

        assertFalse(new File(this.testMetaDataDir + File.separator + "topicxx-0").exists());
        assertFalse(new File(this.testMetaDataDir + File.separator + "topicxx-1").exists());
        assertFalse(new File(this.testMetaDataDir + File.separator + "topicxx-2").exists());

    }


    @Test
    public void testMove_illOffset() throws Exception {
        final File partition4Dir = new File(this.testMetaDataDir + File.separator + "topicxx-4");
        final File partition5Dir = new File(this.testMetaDataDir + File.separator + "topicxx-5");
        final File partition6Dir = new File(this.testMetaDataDir + File.separator + "topicxx-6");

        FileUtils.forceMkdir(partition4Dir);
        FileUtils.forceMkdir(partition5Dir);
        FileUtils.forceMkdir(partition6Dir);
        try {
            this.movePartitionFiles
                .doMain(("-dataDir " + this.testMetaDataDir.getAbsolutePath() + " -topic topicxx -start 4 -end 6 -offset -5")
                    .split(" "));
            fail();
        }
        catch (final RuntimeException e) {
            System.out.println(e.getMessage());
        }
        assertTrue(partition4Dir.exists());
        assertTrue(partition5Dir.exists());
        assertTrue(partition6Dir.exists());
    }


    @Test
    public void testMove_blankTopic() throws Exception {
        final File partition4Dir = new File(this.testMetaDataDir + File.separator + "topicxx-4");
        final File partition5Dir = new File(this.testMetaDataDir + File.separator + "topicxx-5");
        final File partition6Dir = new File(this.testMetaDataDir + File.separator + "topicxx-6");

        FileUtils.forceMkdir(partition4Dir);
        FileUtils.forceMkdir(partition5Dir);
        FileUtils.forceMkdir(partition6Dir);
        try {
            this.movePartitionFiles
                .doMain(("-dataDir " + this.testMetaDataDir.getAbsolutePath() + " -topic  -start 4 -end 6 -offset -4")
                    .split(" "));
            fail();
        }
        catch (final RuntimeException e) {
            System.out.println(e.getMessage());
        }
        assertTrue(partition4Dir.exists());
        assertTrue(partition5Dir.exists());
        assertTrue(partition6Dir.exists());
    }


    @Test
    public void testMove_startLessThenEnd() throws Exception {
        final File partition4Dir = new File(this.testMetaDataDir + File.separator + "topicxx-4");
        final File partition5Dir = new File(this.testMetaDataDir + File.separator + "topicxx-5");
        final File partition6Dir = new File(this.testMetaDataDir + File.separator + "topicxx-6");

        FileUtils.forceMkdir(partition4Dir);
        FileUtils.forceMkdir(partition5Dir);
        FileUtils.forceMkdir(partition6Dir);
        try {
            this.movePartitionFiles
                .doMain(("-dataDir " + this.testMetaDataDir.getAbsolutePath() + " -topic topicxx -start 4 -end 3 -offset -5")
                    .split(" "));
            fail();
        }
        catch (final RuntimeException e) {
            System.out.println(e.getMessage());
        }
        assertTrue(partition4Dir.exists());
        assertTrue(partition5Dir.exists());
        assertTrue(partition6Dir.exists());
    }


    @Test
    public void testMove_0Offset() throws Exception {
        final File partition4Dir = new File(this.testMetaDataDir + File.separator + "topicxx-4");
        final File partition5Dir = new File(this.testMetaDataDir + File.separator + "topicxx-5");
        final File partition6Dir = new File(this.testMetaDataDir + File.separator + "topicxx-6");

        FileUtils.forceMkdir(partition4Dir);
        FileUtils.forceMkdir(partition5Dir);
        FileUtils.forceMkdir(partition6Dir);
        try {
            this.movePartitionFiles
                .doMain(("-dataDir " + this.testMetaDataDir.getAbsolutePath() + " -topic topicxx -start 4 -end 5 -offset 0")
                    .split(" "));
            fail();
        }
        catch (final RuntimeException e) {
            System.out.println(e.getMessage());
        }
        assertTrue(partition4Dir.exists());
        assertTrue(partition5Dir.exists());
        assertTrue(partition6Dir.exists());
    }


    @Test
    public void testMove_startLessThen0() throws Exception {
        final File partition4Dir = new File(this.testMetaDataDir + File.separator + "topicxx-4");
        final File partition5Dir = new File(this.testMetaDataDir + File.separator + "topicxx-5");
        final File partition6Dir = new File(this.testMetaDataDir + File.separator + "topicxx-6");

        FileUtils.forceMkdir(partition4Dir);
        FileUtils.forceMkdir(partition5Dir);
        FileUtils.forceMkdir(partition6Dir);
        try {
            this.movePartitionFiles
                .doMain(("-dataDir " + this.testMetaDataDir.getAbsolutePath() + " -topic topicxx -start -1 -end 5 -offset 2")
                    .split(" "));
            fail();
        }
        catch (final RuntimeException e) {
            System.out.println(e.getMessage());
        }
        assertTrue(partition4Dir.exists());
        assertTrue(partition5Dir.exists());
        assertTrue(partition6Dir.exists());
    }


    @Test
    public void testDelete_dataDirBlank() throws Exception {
        final File partition4Dir = new File(this.testMetaDataDir + File.separator + "topicxx-4");
        final File partition5Dir = new File(this.testMetaDataDir + File.separator + "topicxx-5");
        final File partition6Dir = new File(this.testMetaDataDir + File.separator + "topicxx-6");

        FileUtils.forceMkdir(partition4Dir);
        FileUtils.forceMkdir(partition5Dir);
        FileUtils.forceMkdir(partition6Dir);
        try {
            this.movePartitionFiles.doMain(("-dataDir  -topic topicxx -start -1 -end 5 -offset 2").split(" "));
            fail();
        }
        catch (final RuntimeException e) {
            System.out.println(e.getMessage());
        }
        assertTrue(partition4Dir.exists());
        assertTrue(partition5Dir.exists());
        assertTrue(partition6Dir.exists());
    }


    @After
    public void tearDown() throws IOException {
        if (this.testMetaDataDir != null && this.testMetaDataDir.exists()) {
            FileUtils.deleteDirectory(this.testMetaDataDir);
            System.out.println(this.testMetaDataDir.getAbsolutePath() + " deleted");
        }
    }

}