software/webapp/src/test/java/org/apache/brooklyn/entity/webapp/tomcat/TomcatServerDisableRetrieveUsageMetricsIntegrationTest.java

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 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
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 *     http://www.apache.org/licenses/LICENSE-2.0
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package org.apache.brooklyn.entity.webapp.tomcat;

import static org.testng.Assert.assertNotNull;
import static org.testng.Assert.assertNull;

import org.apache.brooklyn.api.entity.EntitySpec;
import org.apache.brooklyn.core.entity.EntityAsserts;
import org.apache.brooklyn.core.test.BrooklynAppLiveTestSupport;
import org.apache.brooklyn.entity.software.base.SoftwareProcess;
import org.apache.brooklyn.test.Asserts;
import org.testng.annotations.Test;
import org.apache.brooklyn.location.localhost.LocalhostMachineProvisioningLocation;

import com.google.common.collect.ImmutableList;

public class TomcatServerDisableRetrieveUsageMetricsIntegrationTest extends BrooklynAppLiveTestSupport {
    
    // Note we test the default and the disabled with two entities, in the same method.
    // This piggie-backs off the necessary length of time required for the default entity
    // to have its metrics set; we then assert that the other entity does not have its set.
    @Test(groups="Integration")
    public void testDisableRetrievalOfUsageMetrics() throws Exception {
        LocalhostMachineProvisioningLocation loc = app.newLocalhostProvisioningLocation();
        final TomcatServer tc1 = app.createAndManageChild(EntitySpec.create(TomcatServer.class)
                .configure(SoftwareProcess.RETRIEVE_USAGE_METRICS, false));
        final TomcatServer tc2 = app.createAndManageChild(EntitySpec.create(TomcatServer.class));
        
        tc1.start(ImmutableList.of(loc));
        tc2.start(ImmutableList.of(loc));

        // tc2 uses defaults, so will include usage metrics
        Asserts.succeedsEventually(new Runnable() {
            @Override
            public void run() {
                assertNotNull(tc2.getAttribute(TomcatServer.CONNECTOR_STATUS));
                assertNotNull(tc2.getAttribute(TomcatServer.ERROR_COUNT));
                assertNotNull(tc2.getAttribute(TomcatServer.REQUEST_COUNT));
                assertNotNull(tc2.getAttribute(TomcatServer.TOTAL_PROCESSING_TIME));
            }});

        // tc1 should have status info, but not usage metrics
        EntityAsserts.assertAttributeEventuallyNonNull(tc1, TomcatServer.CONNECTOR_STATUS);
        EntityAsserts.assertAttributeEqualsContinually(tc1, TomcatServer.ERROR_COUNT, null);
        assertNull(tc1.getAttribute(TomcatServer.REQUEST_COUNT));
        assertNull(tc1.getAttribute(TomcatServer.TOTAL_PROCESSING_TIME));
    }
}