/*
* Copyright (c) MuleSoft, Inc. All rights reserved. http://www.mulesoft.com
* The software in this package is published under the terms of the CPAL v1.0
* license, a copy of which has been included with this distribution in the
* LICENSE.txt file.
*/
package org.mule.transport.sftp;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import org.mule.api.construct.FlowConstruct;
import org.mule.api.endpoint.ImmutableEndpoint;
import org.mule.api.endpoint.InboundEndpoint;
import org.mule.api.lifecycle.CreateException;
import org.mule.tck.probe.PollingProber;
import org.mule.tck.probe.Probe;
import org.mule.tck.probe.Prober;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.util.concurrent.CountDownLatch;
import org.junit.Test;
public abstract class AbstractSftpWaitForChangeTestCase extends AbstractSftpFunctionalTestCase
{
public static final String FILE1_NAME = "file1.txt";
public static final String FILE2_NAME = "file2.txt";
private static CountDownLatch pollingLatch;
private static boolean pollingInvoked;
private static String[] availableFiles;
@Override
protected void setUpTestData() throws IOException
{
sftpClient.storeFile(FILE1_NAME, new ByteArrayInputStream(TEST_MESSAGE.getBytes()));
sftpClient.storeFile(FILE2_NAME, new ByteArrayInputStream(TEST_MESSAGE.getBytes()));
}
@Override
public void setUp() throws IOException
{
pollingLatch = new CountDownLatch(1);
pollingInvoked = false;
availableFiles = null;
super.setUp();
}
@Test
public void detectsDeletedFilesWhileWaitingForFileChanges() throws Exception
{
pollingLatch.countDown();
Prober prober = new PollingProber(RECEIVE_TIMEOUT, 50);
prober.check(new Probe()
{
public boolean isSatisfied()
{
return pollingInvoked;
}
public String describeFailure()
{
return "SFTP poll was not invoked";
}
});
assertNotNull("Polling did not return any result", availableFiles);
assertEquals(1, availableFiles.length);
assertEquals(FILE2_NAME, availableFiles[0]);
}
public static class TestSftpMessageReceiver extends SftpMessageReceiver
{
public TestSftpMessageReceiver(SftpConnector connector, FlowConstruct flow, InboundEndpoint endpoint, long frequency) throws CreateException
{
super(connector, flow, endpoint, frequency);
}
@Override
protected SftpReceiverRequesterUtil createSftpReceiverRequesterUtil(InboundEndpoint endpoint)
{
return new TestSftpReceiverRequesterUtil(endpoint);
}
}
private static void deleteSftpFile(String fileName)
{
try
{
SftpClient sftpClient = createDefaultSftpClient(Integer.parseInt(System.getProperty(SFTP_PORT)));
sftpClient.changeWorkingDirectory(TESTDIR);
sftpClient.deleteFile(fileName);
}
catch (IOException e)
{
throw new RuntimeException("Error trying to delete test file");
}
}
public static class TestSftpReceiverRequesterUtil extends SftpReceiverRequesterUtil
{
public TestSftpReceiverRequesterUtil(ImmutableEndpoint endpoint)
{
super(endpoint);
}
@Override
protected boolean canProcessFile(String fileName, SftpClient client, long fileAge, long sizeCheckDelayMs) throws Exception
{
if (FILE1_NAME.equals(fileName))
{
deleteSftpFile(fileName);
}
return super.canProcessFile(fileName, client, fileAge, sizeCheckDelayMs);
}
@Override
public String[] getAvailableFiles(boolean onlyGetTheFirstOne) throws Exception
{
pollingLatch.await();
try
{
availableFiles = super.getAvailableFiles(onlyGetTheFirstOne);
return availableFiles;
}
finally
{
pollingInvoked = true;
}
}
}
}