ConsumerCount.java

// Copyright (c) 2007-Present Pivotal Software, Inc.  All rights reserved.
//
// This software, the RabbitMQ Java client library, is triple-licensed under the
// Mozilla Public License 1.1 ("MPL"), the GNU General Public License version 2
// ("GPL") and the Apache License version 2 ("ASL"). For the MPL, please see
// LICENSE-MPL-RabbitMQ. For the GPL, please see LICENSE-GPL2.  For the ASL,
// please see LICENSE-APACHE2.
//
// This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND,
// either express or implied. See the LICENSE file for specific language governing
// rights and limitations of this software.
//
// If you have any questions regarding licensing, please contact us at
// info@rabbitmq.com.

package com.rabbitmq.client.test.functional;

import static org.junit.Assert.assertEquals;

import java.io.IOException;

import org.junit.Test;

import com.rabbitmq.client.DefaultConsumer;
import com.rabbitmq.client.test.BrokerTestCase;

public class ConsumerCount extends BrokerTestCase {
    @Test public void consumerCount() throws IOException {
        String q = generateQueueName();
        channel.queueDeclare(q, false, true, false, null);
        assertEquals(0, channel.consumerCount(q));

        String tag = channel.basicConsume(q, new DefaultConsumer(channel));
        assertEquals(1, channel.consumerCount(q));

        channel.basicCancel(tag);
        assertEquals(0, channel.consumerCount(q));
    }
}