I am using a RabbitMQ in my project.
I have in my consumer the code of the client part of rabbitMQ and the connection need a tls1.1 to connect with the real MQ.
I want to test this code in my JUnit test and to mock the message delivery to my consumer.
I see in google several examples with different tools how camel rabbit or activeMQ but this tools works with amqp 1.0 and rabbitMQ only works in amqp 0.9 .
Someone had this problem?
Thanks!
UPDATE
This is the code to testing to receive a json from the queue.
package com.foo.foo.queue;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.net.URL;
import java.security.*;
import java.security.cert.CertificateException;
import javax.net.ssl.*;
import org.apache.commons.lang3.StringUtils;
import org.apache.log4j.LogManager;
import org.apache.log4j.Logger;
import org.json.JSONObject;
import com.foo.foo.Constants.Constants;
import com.foo.foo.core.ConfigurationContainer;
import com.foo.foo.policyfinders.PolicyFinder;
import com.rabbitmq.client.Channel;
import com.rabbitmq.client.Connection;
import com.rabbitmq.client.ConnectionFactory;
import com.rabbitmq.client.QueueingConsumer;
public class BrokerThreadHLConsumer extends Thread {
private static BrokerThreadHLConsumer instance;
private static final Logger log = LogManager.getLogger(BrokerThreadHLConsumer.class);
private Channel channel;
private String queueName;
private PolicyFinder PolicyFinder;
private Connection connection;
private QueueingConsumer consumer;
private boolean loop;
private BrokerThreadHLConsumer() throws IOException {
ConnectionFactory factory = new ConnectionFactory();
char[] keyPassphrase = "clientrabbit".toCharArray();
KeyStore keyStoreCacerts;
ConfigurationContainer configurationContainer = ConfigurationContainer.getInstance();
String exchangeName = configurationContainer.getProperty(Constants.EXCHANGE_NAME);
String rabbitHost = configurationContainer.getProperty(Constants.RABBITMQ_SERVER_HOST_VALUE);
try {
/* Public key cacerts to connect to message queue*/
keyStoreCacerts = KeyStore.getInstance("PKCS12");
URL resourcePublicKey = this.getClass().getClassLoader().getResource("certs/client.keycert.p12");
File filePublicKey = new File(resourcePublicKey.toURI());
keyStoreCacerts.load(new FileInputStream(filePublicKey), keyPassphrase);
KeyManagerFactory keyManager;
keyManager = KeyManagerFactory.getInstance("SunX509");
keyManager.init(keyStoreCacerts, keyPassphrase);
char[] trustPassphrase = "changeit".toCharArray();
KeyStore tks;
tks = KeyStore.getInstance("JCEKS");
URL resourceCacerts = this.getClass().getClassLoader().getResource("certs/cacerts");
File fileCacerts = new File(resourceCacerts.toURI());
tks.load(new FileInputStream(fileCacerts), trustPassphrase);
TrustManagerFactory tmf;
tmf = TrustManagerFactory.getInstance("SunX509");
tmf.init(tks);
SSLContext c = SSLContext.getInstance("TLSv1.1");
c.init(keyManager.getKeyManagers(), tmf.getTrustManagers(), null);
factory.setUri(rabbitHost);
factory.useSslProtocol(c);
connection = factory.newConnection();
channel = connection.createChannel();
channel.exchangeDeclare(exchangeName, "fanout");
queueName = channel.queueDeclare().getQueue();
channel.queueBind(queueName, exchangeName, "");
} catch (NoSuchAlgorithmException e) {
e.printStackTrace();
} catch (CertificateException e) {
e.printStackTrace();
} catch (KeyStoreException e) {
e.printStackTrace();
} catch (UnrecoverableKeyException e) {
e.printStackTrace();
} catch (KeyManagementException e1) {
e1.printStackTrace();
} catch (Exception e) {
log.error("Couldn't instantiate a channel with the broker installed in " + rabbitHost);
log.error(e.getStackTrace());
e.printStackTrace();
}
}
public static BrokerThreadHLConsumer getInstance() throws CertificateException, UnrecoverableKeyException, NoSuchAlgorithmException, KeyStoreException, KeyManagementException, IOException {
if (instance == null)
instance = new BrokerThreadHLConsumer();
return instance;
}
public void run() {
if (PolicyFinder != null) {
try {
consumer = new QueueingConsumer(channel);
channel.basicConsume(queueName, true, consumer);
log.info("Consumer broker started and waiting for messages");
loop = true;
while (loop) {
try {
QueueingConsumer.Delivery delivery = consumer.nextDelivery();
String message = new String(delivery.getBody());
JSONObject obj = new JSONObject(message);
log.info("Message received from broker " + obj);
if (StringUtils.isNotEmpty(message) && !PolicyFinder.managePolicySet(obj)) {
log.error("PolicySet error: error upgrading the policySet");
}
} catch (Exception e) {
log.error("Receiving message error");
log.error(e);
}
}
} catch (IOException e) {
log.error("Consumer couldn't start");
log.error(e.getStackTrace());
}
} else {
log.error("Consumer couldn't start cause of PolicyFinder is null");
}
}
public void close() {
loop = false;
try {
consumer.getChannel().basicCancel(consumer.getConsumerTag());
} catch (IOException e) {
e.printStackTrace();
}
try {
channel.close();
} catch (IOException e) {
e.printStackTrace();
}
try {
connection.close();
} catch (IOException e) {
e.printStackTrace();
}
}
public void setLuxPolicyFinder(PolicyFinder PolicyFinder) {
this.PolicyFinder = PolicyFinder;
}
}
While doing unit testing using junit you will come across places where you want to mock classes. Mocking is done when you invoke methods of a class that has external communication like database calls or rest calls.
Introduction. RabbitMQ has a throughput testing tool, PerfTest, that is based on the Java client and can be configured to simulate basic workloads and more advanced workloads as well. PerfTest has extra tools that produce HTML graphs of the output.
As I understand it, there are two things trying to be tested in the question:
For the first one, as TLS itself is being tested, only connecting to a real instance of RabbitMQ with correct truststore configured will prove that configuration is working
For the second one however, for tests demonstrating features of the app (with tools like Cucumber for readability), you may try a library i'm working on: rabbitmq-mock (and that's why I'm digging up an old post)
Just include it as dependency:
<dependency>
<groupId>com.github.fridujo</groupId>
<artifactId>rabbitmq-mock</artifactId>
<version>1.0.14</version>
<scope>test</scope>
</dependency>
And replace new ConnectionFactory()
by new MockConnectionFactory()
in your unit test.
Samples are available in the project: https://github.com/fridujo/rabbitmq-mock/blob/master/src/test/java/com/github/fridujo/rabbitmq/mock/IntegrationTest.java
I know, it is an old question, still as there is no answer so far. What helped me a lot at the same question, is the following blog post: https://tamasgyorfi.net/2016/04/21/writing-integration-tests-for-rabbitmq-based-components/. It uses Apache QPID (not ActiveMQ as suggested in the OP) and it has support for AMQP 0.9.1.
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