DeclarativeServicesTestCase.java

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 * This is free software; you can redistribute it and/or modify it
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package org.jboss.test.osgi.example.ds;

import java.io.InputStream;
import java.util.Comparator;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;

import org.jboss.arquillian.container.test.api.Deployer;
import org.jboss.arquillian.container.test.api.Deployment;
import org.jboss.arquillian.junit.Arquillian;
import org.jboss.arquillian.test.api.ArquillianResource;
import org.jboss.osgi.metadata.OSGiManifestBuilder;
import org.jboss.osgi.provision.XResourceProvisioner;
import org.jboss.osgi.repository.XRepository;
import org.jboss.osgi.resolver.XResource;
import org.jboss.shrinkwrap.api.ShrinkWrap;
import org.jboss.shrinkwrap.api.asset.Asset;
import org.jboss.shrinkwrap.api.spec.JavaArchive;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.osgi.framework.Bundle;
import org.osgi.framework.BundleContext;
import org.osgi.framework.ServiceReference;
import org.osgi.resource.Resource;
import org.osgi.service.repository.Repository;
import org.osgi.util.tracker.ServiceTracker;

/**
 * Example for Declarative Services
 *
 * @author thomas.diesler@jboss.com
 * @since 06-Jul-2011
 */
@RunWith(Arquillian.class)
public class DeclarativeServicesTestCase {

    static final String DS_BUNDLE = "ds-bundle";

    @ArquillianResource
    Deployer deployer;

    @ArquillianResource
    BundleContext context;

    @Deployment
    public static JavaArchive dsProvider() {
        final JavaArchive archive = ShrinkWrap.create(JavaArchive.class, "declarative-services-tests");
        archive.addClasses(SampleComparator.class);
        archive.setManifest(new Asset() {
            @Override
            public InputStream openStream() {
                OSGiManifestBuilder builder = OSGiManifestBuilder.newInstance();
                builder.addBundleSymbolicName(archive.getName());
                builder.addBundleManifestVersion(2);
                builder.addImportPackages(ServiceTracker.class);
                builder.addExportPackages(SampleComparator.class);
                return builder.openStream();
            }
        });
        return archive;
    }

    @Test
    @SuppressWarnings({ "rawtypes" })
    public void testImmediateService() throws Exception {
        InputStream input = deployer.getDeployment(DS_BUNDLE);
        Bundle bundle = context.installBundle(DS_BUNDLE, input);
        try {
            bundle.start();

            // Track the service provided by the test bundle
            final CountDownLatch latch = new CountDownLatch(1);
            ServiceTracker<Comparator, Comparator> tracker = new ServiceTracker<Comparator, Comparator>(context, Comparator.class.getName(), null) {
                @Override
                public Comparator addingService(ServiceReference<Comparator> reference) {
                    Comparator<?> service = super.addingService(reference);
                    latch.countDown();
                    return service;
                }
            };
            tracker.open();

            // Wait for the service to become available
            if (latch.await(2, TimeUnit.SECONDS) == false)
                throw new TimeoutException("Timeout tracking Comparator service");
        } finally {
            bundle.uninstall();
        }
    }

    @Deployment(name = DS_BUNDLE, managed = false, testable = false)
    public static JavaArchive testBundle() {
        final JavaArchive archive = ShrinkWrap.create(JavaArchive.class, DS_BUNDLE);
        archive.addAsResource("ds/OSGI-INF/sample.xml", "OSGI-INF/sample.xml");
        archive.setManifest(new Asset() {
            @Override
            public InputStream openStream() {
                OSGiManifestBuilder builder = OSGiManifestBuilder.newInstance();
                builder.addBundleSymbolicName(archive.getName());
                builder.addBundleManifestVersion(2);
                builder.addManifestHeader("Service-Component", "OSGI-INF/sample.xml");
                builder.addImportPackages(SampleComparator.class);
                return builder.openStream();
            }
        });
        return archive;
    }
}