/**
* 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.camel.component.file.strategy;
import java.util.List;
import org.apache.camel.ContextTestSupport;
import org.apache.camel.Exchange;
import org.apache.camel.component.file.GenericFile;
import org.apache.camel.component.file.GenericFileEndpoint;
import org.apache.camel.component.file.GenericFileOperationFailedException;
import org.apache.camel.component.file.GenericFileOperations;
import org.apache.camel.util.FileUtil;
/**
* Unit test about retrying deleting processed file, that can be a bit more tricky
* on some OS as java.io.delete can return wrong answer
*
* @version $Revision: 835970 $
*/
public class GenericFileDeleteProcessStrategyTest extends ContextTestSupport {
private static int existsCounter;
private static int deleteCounter;
private class MyGenericFileOperations implements GenericFileOperations<Object> {
public void setEndpoint(GenericFileEndpoint<Object> endpoint) {
}
public boolean deleteFile(String name) throws GenericFileOperationFailedException {
deleteCounter++;
return false;
}
public boolean existsFile(String name) throws GenericFileOperationFailedException {
existsCounter++;
// The file name should be normalized
if (FileUtil.normalizePath("target/foo/boom.txt").equals(name)) {
// test that we can newer delete this file
return true;
}
return existsCounter <= 1;
}
public boolean renameFile(String from, String to) throws GenericFileOperationFailedException {
return false;
}
public boolean buildDirectory(String directory, boolean absolute) throws GenericFileOperationFailedException {
return false;
}
public boolean retrieveFile(String name, Exchange exchange) throws GenericFileOperationFailedException {
return false;
}
public boolean storeFile(String name, Exchange exchange) throws GenericFileOperationFailedException {
return false;
}
public String getCurrentDirectory() throws GenericFileOperationFailedException {
return null;
}
public void changeCurrentDirectory(String path) throws GenericFileOperationFailedException {
}
public List<Object> listFiles() throws GenericFileOperationFailedException {
return null;
}
public List<Object> listFiles(String path) throws GenericFileOperationFailedException {
return null;
}
}
@SuppressWarnings("unchecked")
public void testTroubleDeletingFile() throws Exception {
deleteCounter = 0;
existsCounter = 0;
GenericFileEndpoint endpoint = context.getEndpoint("file://target/foo", GenericFileEndpoint.class);
Exchange exchange = endpoint.createExchange();
GenericFile file = new GenericFile();
file.setAbsoluteFilePath("target/foo/me.txt");
GenericFileDeleteProcessStrategy strategy = new GenericFileDeleteProcessStrategy();
strategy.commit(new MyGenericFileOperations(), endpoint, exchange, file);
assertEquals("Should have tried to delete file 2 times", 2, deleteCounter);
assertEquals("Should have tried to delete file 2 times", 2, existsCounter);
}
@SuppressWarnings("unchecked")
public void testCannotDeleteFile() throws Exception {
deleteCounter = 0;
existsCounter = 0;
GenericFileEndpoint endpoint = context.getEndpoint("file://target/foo", GenericFileEndpoint.class);
Exchange exchange = endpoint.createExchange();
GenericFile file = new GenericFile();
file.setAbsoluteFilePath("target/foo/boom.txt");
GenericFileDeleteProcessStrategy strategy = new GenericFileDeleteProcessStrategy();
try {
strategy.commit(new MyGenericFileOperations(), endpoint, exchange, file);
fail("Should have thrown an exception");
} catch (GenericFileOperationFailedException e) {
// expected
}
assertEquals("Should have tried to delete file 3 times", 3, deleteCounter);
assertEquals("Should have tried to delete file 3 times", 3, existsCounter);
}
}