activemq-karaf-itest/src/test/java/org/apache/activemq/karaf/itest/ActiveMQBrokerRuntimeConfigTest.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.
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package org.apache.activemq.karaf.itest;

import static org.junit.Assert.assertTrue;
import static org.ops4j.pax.exam.karaf.options.KarafDistributionOption.editConfigurationFilePut;
import static org.ops4j.pax.exam.karaf.options.KarafDistributionOption.replaceConfigurationFile;

import java.io.File;
import java.util.Date;
import java.util.concurrent.TimeUnit;

import org.junit.Ignore;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.ops4j.pax.exam.Configuration;
import org.ops4j.pax.exam.Option;
import org.ops4j.pax.exam.junit.PaxExam;

@RunWith(PaxExam.class)
public class ActiveMQBrokerRuntimeConfigTest extends AbstractFeatureTest {

	@Configuration
	public static Option[] configure() {
		return new Option[] //
		{ //
				configure("activemq"), //
				editConfigurationFilePut("etc/org.apache.activemq.server-default.cfg", "config.check", "false"),
				replaceConfigurationFile("data/tmp/modified-config.xml",
						new File(RESOURCE_BASE + "activemq-runtime-config-mod.xml")),
				configureBrokerStart("activemq-runtime-config") };
	}

    @Test(timeout = 2 * 60 * 1000)
    @Ignore("TODO: investigate")
    public void test() throws Throwable {
    	assertBrokerStarted();

        assertMemoryLimit("334338458");

        // ensure update will be reflected in OS fs modified window
        TimeUnit.SECONDS.sleep(4);

        // increase from 3mb to 4mb and check
        String karafDir = System.getProperty("karaf.base");
        File target = new File(karafDir + "/etc/activemq.xml");
        System.err.println("Modifying configuration at: " + target + "last mod: " + new Date(target.lastModified()));
        copyFile(new File(karafDir + "/data/tmp/modified-config.xml"), target);
        System.err.println("new mod at: " + new Date(target.lastModified()));

        assertMemoryLimit("4194304");
    }

	private void assertMemoryLimit(String limit) throws Exception {
		withinReason(new Runnable() {
            public void run() {
                assertTrue("3MB limit", executeCommand("activemq:query").trim().contains("MemoryLimit = "+ limit));
            }
        });
	}
}