components/camel-ftp/src/test/java/org/apache/camel/component/file/remote/FromFtpConsumerTemplateRollbackTest.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
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package org.apache.camel.component.file.remote;

import java.io.File;

import org.apache.camel.Endpoint;
import org.apache.camel.Exchange;
import org.apache.camel.Producer;
import org.apache.camel.component.file.GenericFileOperationFailedException;
import org.junit.Before;
import org.junit.Test;

public class FromFtpConsumerTemplateRollbackTest extends FtpServerTestSupport {

    protected String getFtpUrl() {
        return "ftp://admin@localhost:" + getPort() + "/deletefile?password=admin&binary=false&delete=true";
    }

    protected String getFtpUrlInvalid() {
        // use invalid starting directory and do not allow creating it so we force the poll to fail
        return "ftp://admin@localhost:" + getPort() + "/unknown?password=admin&binary=false&delete=true&autoCreate=false";
    }

    @Override
    @Before
    public void setUp() throws Exception {
        super.setUp();
        prepareFtpServer();
    }

    @Test
    public void testConsumerTemplateRollback() throws Exception {
        try {
            consumer.receiveBody(getFtpUrlInvalid(), 2000, String.class);
            fail("Should fail and rollback");
        } catch (Exception e) {
            GenericFileOperationFailedException ge = assertIsInstanceOf(GenericFileOperationFailedException.class, e);
            assertEquals(550, ge.getCode());
        }
    }

    private void prepareFtpServer() throws Exception {
        // prepares the FTP Server by creating a file on the server that we want to unit
        // test that we can pool and store as a local file
        Endpoint endpoint = context.getEndpoint(getFtpUrl());
        Exchange exchange = endpoint.createExchange();
        exchange.getIn().setBody("Hello World this file will be deleted");
        exchange.getIn().setHeader(Exchange.FILE_NAME, "hello.txt");
        Producer producer = endpoint.createProducer();
        producer.start();
        producer.process(exchange);
        producer.stop();

        // assert file is created
        File file = new File(FTP_ROOT_DIR + "/deletefile/hello.txt");
        assertTrue("The file should exists", file.exists());
    }

}