/*
* Copyright 2002-2016 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;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNull;
import java.util.concurrent.ConcurrentLinkedQueue;
import javax.mail.internet.MimeMessage;
import org.junit.Test;
import org.mockito.Mockito;
/**
* @author Jonas Partner
* @author Mark Fisher
* @author Gary Russell
* @author Artem Bilan
*/
public class MailReceivingMessageSourceTests {
@Test
public void testPolling() {
StubMailReceiver mailReceiver = new StubMailReceiver();
MimeMessage message1 = Mockito.mock(MimeMessage.class);
MimeMessage message2 = Mockito.mock(MimeMessage.class);
MimeMessage message3 = Mockito.mock(MimeMessage.class);
MimeMessage message4 = Mockito.mock(MimeMessage.class);
mailReceiver.messages.add(new javax.mail.Message[] { message1 });
mailReceiver.messages.add(new javax.mail.Message[] { message2, message3 });
mailReceiver.messages.add(new javax.mail.Message[] { message4 });
MailReceivingMessageSource source = new MailReceivingMessageSource(mailReceiver);
assertEquals("Wrong message for number 1", message1, source.receive().getPayload());
assertEquals("Wrong message for number 2", message2, source.receive().getPayload());
assertEquals("Wrong message for number 3", message3, source.receive().getPayload());
assertEquals("Wrong message for number 4", message4, source.receive().getPayload());
assertNull("Expected null after exhausting all messages", source.receive());
}
@SuppressWarnings("unused")
private static class StubMailReceiver implements MailReceiver {
private final ConcurrentLinkedQueue<javax.mail.Message[]> messages = new ConcurrentLinkedQueue<javax.mail.Message[]>();
StubMailReceiver() {
super();
}
@Override
public javax.mail.Message[] receive() {
return messages.poll();
}
public boolean isRunning() {
return false;
}
public void start() {
}
public void stop() {
}
}
}