/*
* 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.tuscany.sca.extensibility.osgi;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
import junit.framework.Assert;
import org.apache.felix.framework.Felix;
import org.apache.felix.framework.cache.BundleCache;
import org.apache.felix.framework.util.FelixConstants;
import org.apache.tuscany.sca.extensibility.ServiceDeclaration;
import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.Test;
import org.osgi.framework.Bundle;
import org.osgi.framework.BundleActivator;
import org.osgi.framework.BundleContext;
import org.osgi.framework.Constants;
/**
*
*/
public class OSGiServiceDiscovererTestCase {
private static Felix felix;
private static OSGiServiceDiscoverer discoverer;
private static Bundle testBundle;
/**
* @throws java.lang.Exception
*/
@BeforeClass
public static void setUpBeforeClass() throws Exception {
// Create a configuration property map.
Map<String, String> configMap = new HashMap<String, String>();
// Configure the Felix instance to be embedded.
configMap.put(FelixConstants.EMBEDDED_EXECUTION_PROP, "true");
// Add core OSGi packages to be exported from the class path
// via the system bundle.
configMap.put(Constants.FRAMEWORK_SYSTEMPACKAGES,
"org.osgi.framework; version=1.3.0," + "org.osgi.service.packageadmin; version=1.2.0,"
+ "org.osgi.service.startlevel; version=1.0.0,"
+ "org.osgi.service.url; version=1.0.0");
// Explicitly specify the directory to use for caching bundles.
configMap.put(BundleCache.CACHE_PROFILE_DIR_PROP, "target/.felix");
List<BundleActivator> list = new ArrayList<BundleActivator>();
// Now create an instance of the framework with
// our configuration properties and activator.
felix = new Felix(configMap, list);
// Now start Felix instance.
felix.start();
BundleContext context = felix.getBundleContext();
InputStream is = OSGiServiceDiscovererTestCase.class.getResourceAsStream("/test-bundle.jar");
testBundle = context.installBundle("test-bundle", is);
is.close();
discoverer = new OSGiServiceDiscoverer(context);
}
/**
* @throws java.lang.Exception
*/
@AfterClass
public static void tearDownAfterClass() throws Exception {
if (felix != null) {
// Uninstall the bundle to clean up the cache
testBundle.uninstall();
felix.stop();
}
}
@Test
public void testDiscovery() {
Set<ServiceDeclaration> descriptors =
discoverer.discover("test.TestService", false);
Assert.assertEquals(1, descriptors.size());
descriptors = discoverer.discover("notthere", false);
Assert.assertEquals(0, descriptors.size());
}
@Test
public void testDiscoveryFirst() {
Set<ServiceDeclaration> descriptors =
discoverer.discover("test.TestService", true);
Assert.assertEquals(1, descriptors.size());
descriptors = discoverer.discover("notthere", true);
Assert.assertEquals(0, descriptors.size());
}
@Test
public void testClassLoader () throws IOException {
Enumeration<URL> resources = discoverer.getContextClassLoader().getResources("META-INF/services/test.TestService");
List<URL> list = Collections.list(resources);
Assert.assertEquals(1, list.size());
}
}