| /* |
| * 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; |
| |
| import java.util.concurrent.CountDownLatch; |
| import java.util.concurrent.TimeUnit; |
| |
| import org.apache.camel.Consumer; |
| import org.apache.camel.ContextTestSupport; |
| import org.apache.camel.Endpoint; |
| import org.apache.camel.Exchange; |
| import org.apache.camel.builder.RouteBuilder; |
| import org.apache.camel.component.bean.MethodNotFoundException; |
| import org.apache.camel.impl.JndiRegistry; |
| import org.apache.camel.spi.PollingConsumerPollStrategy; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| import static org.awaitility.Awaitility.await; |
| |
| /** |
| * Unit test for expression option for file consumer. |
| */ |
| public class FileConsumerFileExpressionThrowExceptionTest extends ContextTestSupport { |
| |
| private static volatile String event = ""; |
| private static volatile Exception rollbackCause; |
| |
| private static final CountDownLatch LATCH = new CountDownLatch(1); |
| |
| @Override |
| @Before |
| public void setUp() throws Exception { |
| deleteDirectory("target/data/filelanguage"); |
| super.setUp(); |
| } |
| |
| @Override |
| protected JndiRegistry createRegistry() throws Exception { |
| JndiRegistry jndi = super.createRegistry(); |
| jndi.bind("counter", new MyGuidGenerator()); |
| jndi.bind("myPoll", new MyPollStrategy()); |
| return jndi; |
| } |
| |
| @Test |
| public void testConsumeExpressionThrowException() throws Exception { |
| template.sendBodyAndHeader("file://target/data/filelanguage/bean", "Bye World", Exchange.FILE_NAME, "123.txt"); |
| |
| context.addRoutes(new RouteBuilder() { |
| @Override |
| public void configure() throws Exception { |
| from("file://target/data/filelanguage/bean/" + "?pollStrategy=#myPoll&initialDelay=0&delay=10&fileName=${bean:counter?method=doNotExistMethod}.txt&delete=true") |
| .to("mock:result"); |
| // specify a method name that does not exists |
| } |
| }); |
| |
| await().atMost(2, TimeUnit.SECONDS).until(() -> LATCH.getCount() == 0); |
| |
| // and we should rollback X number of times |
| assertTrue(event.startsWith("rollback")); |
| |
| assertNotNull(rollbackCause); |
| |
| MethodNotFoundException e = assertIsInstanceOf(MethodNotFoundException.class, rollbackCause); |
| assertNotNull(e); |
| assertEquals("doNotExistMethod", e.getMethodName()); |
| } |
| |
| public class MyGuidGenerator { |
| public String next() { |
| return "123"; |
| } |
| } |
| |
| private static class MyPollStrategy implements PollingConsumerPollStrategy { |
| |
| @Override |
| public boolean begin(Consumer consumer, Endpoint endpoint) { |
| return true; |
| } |
| |
| @Override |
| public void commit(Consumer consumer, Endpoint endpoint, int polledMessages) { |
| event += "commit"; |
| } |
| |
| @Override |
| public boolean rollback(Consumer consumer, Endpoint endpoint, int retryCounter, Exception cause) throws Exception { |
| event += "rollback"; |
| rollbackCause = cause; |
| LATCH.countDown(); |
| return false; |
| } |
| } |
| |
| } |