/*
* Copyright 2002-2017 the original author or authors.
*
* Licensed 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.springframework.integration.mail.config;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.Mockito.doAnswer;
import static org.mockito.Mockito.doReturn;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.spy;
import static org.mockito.Mockito.when;
import java.lang.reflect.Field;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicBoolean;
import javax.mail.Folder;
import javax.mail.Message;
import org.junit.Test;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import org.springframework.integration.mail.ImapIdleChannelAdapter;
import org.springframework.integration.mail.ImapMailReceiver;
import org.springframework.integration.test.util.TestUtils;
import org.springframework.util.ReflectionUtils;
/**
* @author Oleg Zhurakousky
* @author Artem Bilan
*/
public class ImapIdleIntegrationTests {
@SuppressWarnings("resource")
@Test
public void testWithTransactionSynchronization() throws Exception {
final AtomicBoolean block = new AtomicBoolean(false);
ClassPathXmlApplicationContext context =
new ClassPathXmlApplicationContext("imap-idle-mock-integration-config.xml", this.getClass());
PostTransactionProcessor processor = context.getBean("syncProcessor", PostTransactionProcessor.class);
ImapIdleChannelAdapter adapter = context.getBean("customAdapter", ImapIdleChannelAdapter.class);
assertNotNull(TestUtils.getPropertyValue(adapter, "applicationEventPublisher"));
ImapMailReceiver receiver = TestUtils.getPropertyValue(adapter, "mailReceiver", ImapMailReceiver.class);
// setup mock scenario
receiver = spy(receiver);
doAnswer(invocation -> {
// ensures that waitFornewMessages call blocks after a first execution
// to emulate the behavior of IDLE
if (block.get()) {
Thread.sleep(5000);
}
block.set(true);
return null;
}).when(receiver).waitForNewMessages();
Message m1 = mock(Message.class);
doReturn(new Message[]{m1}).when(receiver).receive();
Folder folder = mock(Folder.class);
when(folder.isOpen()).thenReturn(true);
Field folderField = ReflectionUtils.findField(ImapMailReceiver.class, "folder");
folderField.setAccessible(true);
folderField.set(receiver, folder);
Field mrField = ImapIdleChannelAdapter.class.getDeclaredField("mailReceiver");
mrField.setAccessible(true);
mrField.set(adapter, receiver);
// end mock setup
final CountDownLatch txProcessorLatch = new CountDownLatch(1);
doAnswer(invocation -> {
txProcessorLatch.countDown();
return null;
}).when(processor).process(any(Message.class));
adapter.start();
assertTrue(txProcessorLatch.await(10, TimeUnit.SECONDS));
adapter.stop();
context.close();
}
public interface PostTransactionProcessor {
void process(Message mailMessage);
}
}