Example usage for org.springframework.integration.mail ImapIdleChannelAdapter setErrorChannel

Introduction

In this page you can find the example usage for org.springframework.integration.mail ImapIdleChannelAdapter setErrorChannel.

Prototype

public void setErrorChannel(MessageChannel errorChannel) 

Source Link

Usage

From source file:org.springframework.integration.mail.ImapMailReceiverTests.java

@Test
public void testIdleChannelAdapterException() throws Exception {
    ConfigurableApplicationContext context = new ClassPathXmlApplicationContext(
            "ImapIdleChannelAdapterParserTests-context.xml", ImapIdleChannelAdapterParserTests.class);
    ImapIdleChannelAdapter adapter = context.getBean("simpleAdapter", ImapIdleChannelAdapter.class);

    //ImapMailReceiver receiver = (ImapMailReceiver) TestUtils.getPropertyValue(adapter, "mailReceiver");

    DirectChannel channel = new DirectChannel();
    channel.subscribe(new AbstractReplyProducingMessageHandler() {

        @Override//from   w ww.  ja  va2 s  .  c o m
        protected Object handleRequestMessage(org.springframework.messaging.Message<?> requestMessage) {
            throw new RuntimeException("Failed");
        }
    });
    adapter.setOutputChannel(channel);
    QueueChannel errorChannel = new QueueChannel();
    adapter.setErrorChannel(errorChannel);

    AbstractMailReceiver receiver = new ImapMailReceiver();
    receiver = spy(receiver);
    receiver.setBeanFactory(mock(BeanFactory.class));
    receiver.afterPropertiesSet();

    Field folderField = AbstractMailReceiver.class.getDeclaredField("folder");
    folderField.setAccessible(true);
    Folder folder = mock(IMAPFolder.class);
    given(folder.getPermanentFlags()).willReturn(new Flags(Flags.Flag.USER));
    folderField.set(receiver, folder);

    willAnswer(invocation -> true).given(folder).isOpen();

    willAnswer(invocation -> null).given(receiver).openFolder();

    DirectFieldAccessor adapterAccessor = new DirectFieldAccessor(adapter);
    adapterAccessor.setPropertyValue("mailReceiver", receiver);

    MimeMessage mailMessage = mock(MimeMessage.class);
    Flags flags = mock(Flags.class);
    given(mailMessage.getFlags()).willReturn(flags);
    final Message[] messages = new Message[] { mailMessage };

    willAnswer(invocation -> messages).given(receiver).searchForNewMessages();

    willAnswer(invocation -> null).given(receiver).fetchMessages(messages);

    adapter.start();
    org.springframework.messaging.Message<?> replMessage = errorChannel.receive(10000);
    assertNotNull(replMessage);
    assertEquals("Failed", ((Exception) replMessage.getPayload()).getCause().getMessage());
    adapter.stop();
    context.close();
}

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