failed_ftp_camel_Test.java

public class FromFtpDoNotDeleteFileIfProcessFailsTest extends FtpServerTestSupport {

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

    @Override
    @Before
    public void setUp() throws Exception {
        super.setUp();
        prepareFtpServer();
    }
    
    @Test
    public void testPollFileAndShouldNotBeDeleted() throws Exception {
        MockEndpoint mock = getMockEndpoint("mock:error");
        mock.expectedMessageCount(1);
        mock.expectedBodiesReceived("Hello World this file will NOT be deleted");

        mock.assertIsSatisfied();

        // give time to NOT delete file
        Thread.sleep(200);

        // assert the file is deleted
        File file = new File(FTP_ROOT_DIR + "/deletefile/hello.txt");
        assertTrue("The file should NOT have been deleted", file.exists());
    }

    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 NOT 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());
    }

    protected RouteBuilder createRouteBuilder() throws Exception {
        return new RouteBuilder() {
            public void configure() throws Exception {
                // use no delay for fast unit testing
                onException(IllegalArgumentException.class)
                    .maximumRedeliveries(2).redeliveryDelay(0)
                    .to("mock:error");

                from(getFtpUrl()).process(new Processor() {
                    public void process(Exchange exchange) throws Exception {
                        throw new IllegalArgumentException("Forced by unittest");
                    }
                });
            }
        };
    }
}