org.pentaho.di.job.entries.sftp.SFTPClientIT.java Source code

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/*! ******************************************************************************
 *
 * Pentaho Data Integration
 *
 * Copyright (C) 2002-2017 by Hitachi Vantara : http://www.pentaho.com
 *
 *******************************************************************************
 *
 * 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.
 *
 ******************************************************************************/

package org.pentaho.di.job.entries.sftp;

import static org.junit.Assert.assertTrue;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.InputStream;
import java.net.InetAddress;

import org.apache.commons.io.IOUtils;
import org.apache.commons.vfs2.FileObject;
import org.junit.After;
import org.junit.AfterClass;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;
import org.junit.rules.TemporaryFolder;
import org.pentaho.di.core.KettleEnvironment;
import org.pentaho.di.core.vfs.KettleVFS;

import com.jcraft.jsch.ChannelSftp;
import com.jcraft.jsch.Session;

/**
 * @author Andrey Khayrutdinov
 */
public class SFTPClientIT {

    // @ClassRule
    public static TemporaryFolder folder;

    private static SftpServer server;

    @BeforeClass
    public static void startServer() throws Exception {
        KettleEnvironment.init();

        folder = new TemporaryFolder();
        folder.create();

        server = SftpServer.createDefaultServer(folder);
        server.start();
    }

    @AfterClass
    public static void stopServer() throws Exception {
        server.stop();
        server = null;

        folder.delete();
        folder = null;
    }

    private SFTPClient client;
    private Session session;
    private ChannelSftp channel;

    @Before
    public void setUp() throws Exception {
        session = server.createJschSession();
        session.connect();

        client = new SFTPClient(InetAddress.getByName("localhost"), server.getPort(), server.getUsername());
        client.login(server.getPassword());

        channel = (ChannelSftp) session.openChannel("sftp");
    }

    @After
    public void tearDown() throws Exception {
        if (channel != null && channel.isConnected()) {
            channel.disconnect();
        }
        channel = null;

        if (session.isConnected()) {
            session.disconnect();
        }
        session = null;
    }

    @Test
    public void putFile() throws Exception {
        final byte[] data = "putFile()".getBytes();

        client.put(new ByteArrayInputStream(data), "uploaded.txt");

        ByteArrayOutputStream uploaded = new ByteArrayOutputStream();
        channel.connect();
        InputStream inputStream = channel.get("uploaded.txt");
        try {
            IOUtils.copy(inputStream, uploaded);
        } finally {
            inputStream.close();
        }

        assertTrue(IOUtils.contentEquals(new ByteArrayInputStream(data),
                new ByteArrayInputStream(uploaded.toByteArray())));
    }

    @Test
    public void getFile() throws Exception {
        final byte[] data = "getFile()".getBytes();

        channel.connect();
        channel.put(new ByteArrayInputStream(data), "downloaded.txt");

        client.get(KettleVFS.getFileObject("ram://downloaded.txt"), "downloaded.txt");

        FileObject downloaded = KettleVFS.getFileObject("ram://downloaded.txt");
        assertTrue(downloaded.exists());
        assertTrue(IOUtils.contentEquals(downloaded.getContent().getInputStream(), new ByteArrayInputStream(data)));
    }

}