package com.rabbitmq.client.test.functional;
import com.rabbitmq.client.AMQP;
import com.rabbitmq.client.Channel;
import com.rabbitmq.client.Connection;
import com.rabbitmq.client.ConnectionFactory;
import com.rabbitmq.client.Consumer;
import com.rabbitmq.client.DefaultConsumer;
import com.rabbitmq.client.Envelope;
import com.rabbitmq.client.ExceptionHandler;
import com.rabbitmq.client.impl.DefaultExceptionHandler;
import junit.framework.TestCase;
import java.io.IOException;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
public class ExceptionHandling extends TestCase {
private ConnectionFactory newConnectionFactory(ExceptionHandler eh) {
ConnectionFactory cf = new ConnectionFactory();
cf.setExceptionHandler(eh);
return cf;
}
public void testHandleConsumerException() throws IOException, InterruptedException {
final CountDownLatch latch = new CountDownLatch(1);
final DefaultExceptionHandler eh = new DefaultExceptionHandler() {
@Override
public void handleConsumerException(Channel channel, Throwable exception, Consumer consumer, String consumerTag, String methodName) {
latch.countDown();
}
};
ConnectionFactory cf = newConnectionFactory(eh);
assertEquals(cf.getExceptionHandler(), eh);
Connection conn = cf.newConnection();
assertEquals(conn.getExceptionHandler(), eh);
Channel ch = conn.createChannel();
String q = ch.queueDeclare().getQueue();
ch.basicConsume(q, new DefaultConsumer(ch) {
@Override
public void handleDelivery(String consumerTag, Envelope envelope, AMQP.BasicProperties properties, byte[] body) throws IOException {
throw new RuntimeException("oops");
}
});
ch.basicPublish("", q, null, "".getBytes());
wait(latch);
}
public void testNullExceptionHandler() {
ConnectionFactory cf = new ConnectionFactory();
try {
cf.setExceptionHandler(null);
fail("expected setExceptionHandler to throw");
} catch (IllegalArgumentException iae) {
// expected
}
}
private void wait(CountDownLatch latch) throws InterruptedException {
latch.await(1800, TimeUnit.SECONDS);
}
}