NatsConsumerLoadTest.java

/**
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.apache.camel.component.nats;

import java.io.IOException;
import java.util.concurrent.TimeoutException;

import io.nats.client.Connection;
import io.nats.client.ConnectionFactory;

import org.apache.camel.EndpointInject;
import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.component.mock.MockEndpoint;
import org.apache.camel.test.junit4.CamelTestSupport;
import org.junit.Ignore;
import org.junit.Test;

@Ignore("Require a running Nats server")
public class NatsConsumerLoadTest extends CamelTestSupport {
    
    @EndpointInject(uri = "mock:result")
    protected MockEndpoint mockResultEndpoint;

    @Test
    public void testLoadConsumer() throws InterruptedException, IOException, TimeoutException {
        mockResultEndpoint.setExpectedMessageCount(10000);
        ConnectionFactory cf = new ConnectionFactory("nats://localhost:4222");
        Connection connection = cf.createConnection();

        for (int i = 0; i < 10000; i++) {
            connection.publish("test", ("test" + i).getBytes());
        }

        mockResultEndpoint.assertIsSatisfied();
    }

    @Override
    protected RouteBuilder createRouteBuilder() throws Exception {
        return new RouteBuilder() {
            @Override
            public void configure() throws Exception {
                from("direct:send").to("nats://localhost:4222?topic=test");
                from("nats://localhost:4222?topic=test").to(mockResultEndpoint);
            }
        };
    }

}