components/camel-ftp/src/test/java/org/apache/camel/component/file/remote/FtpPollEnrichConsumeWithDisconnectAndDeleteTest.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
 * limitations under the License.
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package org.apache.camel.component.file.remote;

import java.io.File;

import org.apache.camel.Exchange;
import org.apache.camel.ProducerTemplate;
import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.component.mock.MockEndpoint;
import org.junit.Test;

public class FtpPollEnrichConsumeWithDisconnectAndDeleteTest extends FtpServerTestSupport {

    @Test
    public void testFtpSimpleConsume() throws Exception {
        if (!canTest()) {
            return;
        }

        String expected = "Hello World";

        // create file using regular file
        template.sendBodyAndHeader("file://" + FTP_ROOT_DIR + "/poll", expected, Exchange.FILE_NAME, "hello.txt");

        MockEndpoint mock = getMockEndpoint("mock:result");
        mock.expectedMessageCount(1);
        mock.expectedHeaderReceived(Exchange.FILE_NAME, "hello.txt");
        mock.expectedBodiesReceived(expected);

        ProducerTemplate triggerTemplate = context.createProducerTemplate();
        triggerTemplate.sendBody("vm:trigger", "");

        assertMockEndpointsSatisfied();

        long startFileDeletionCheckTime = System.currentTimeMillis();
        boolean fileExists = true;
        while (System.currentTimeMillis() - startFileDeletionCheckTime < 3000) {  // wait up to 3000ms for file to be deleted
            File file = new File(FTP_ROOT_DIR + "/poll/hello.txt");
            fileExists = file.exists();

            if (fileExists) {
                log.info("Will check that file has been deleted again in 200ms");
                Thread.sleep(200);
            }
        }

        assertFalse("The file should have been deleted", fileExists);
    }

    @Override
    protected RouteBuilder createRouteBuilder() throws Exception {
        return new RouteBuilder() {
            @Override
            public void configure() throws Exception {
                from("vm:trigger")
                    .pollEnrich("ftp://admin@localhost:" + getPort() + "/poll?password=admin&delete=true")
                    .routeId("foo")
                    .to("mock:result");
            }
        };
    }
}