| /* |
| * 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.felix.dm.itest.api; |
| |
| import org.junit.Assert; |
| |
| import org.apache.felix.dm.Component; |
| import org.apache.felix.dm.DependencyManager; |
| import org.apache.felix.dm.itest.util.Ensure; |
| import org.apache.felix.dm.itest.util.TestBase; |
| import org.osgi.framework.Bundle; |
| |
| /** |
| * @author <a href="mailto:dev@felix.apache.org">Felix Project Team</a> |
| */ |
| public class BundleDependencyTest extends TestBase { |
| private final static String BSN = "org.apache.felix.metatype"; |
| |
| public void testBundleDependencies() { |
| DependencyManager m = getDM(); |
| // create a service provider and consumer |
| Consumer c = new Consumer(); |
| Component consumer = m.createComponent().setImplementation(c).add(m.createBundleDependency().setCallbacks("add", "remove")); |
| // add the service consumer |
| m.add(consumer); |
| // check if at least one bundle was found |
| c.check(); |
| // remove the consumer again |
| m.remove(consumer); |
| // check if all bundles were removed correctly |
| c.doubleCheck(); |
| |
| // helper class that ensures certain steps get executed in sequence |
| Ensure e = new Ensure(); |
| Component consumerWithFilter = m.createComponent().setImplementation(new FilteredConsumer(e)).add(m.createBundleDependency().setFilter("(Bundle-SymbolicName=" + BSN + ")").setCallbacks("add", "remove")); |
| // add a consumer with a filter |
| m.add(consumerWithFilter); |
| e.step(2); |
| // remove the consumer again |
| m.remove(consumerWithFilter); |
| e.step(4); |
| } |
| |
| public void testRequiredBundleDependency() { |
| DependencyManager m = getDM(); |
| |
| // helper class that ensures certain steps get executed in sequence |
| Ensure e = new Ensure(); |
| Component consumerWithFilter = m.createComponent() |
| .setImplementation(new FilteredConsumerRequired(e)) |
| .add(m.createBundleDependency() |
| .setRequired(true) |
| .setFilter("(Bundle-SymbolicName=" + BSN + ")") |
| .setCallbacks("add", "remove") |
| ); |
| // add a consumer with a filter |
| m.add(consumerWithFilter); |
| e.waitForStep(1, 5000); |
| // remove the consumer again |
| m.remove(consumerWithFilter); |
| e.waitForStep(2, 5000); |
| } |
| |
| public void testRequiredBundleDependencyWithComponentArgInCallbackMethod() { |
| DependencyManager m = getDM(); |
| |
| // helper class that ensures certain steps get executed in sequence |
| Ensure e = new Ensure(); |
| Component consumerWithFilter = m.createComponent() |
| .setImplementation(new FilteredConsumerRequiredWithComponentArg(e)) |
| .add(m.createBundleDependency() |
| .setRequired(true) |
| .setFilter("(Bundle-SymbolicName=" + BSN + ")") |
| .setCallbacks("add", "remove") |
| ); |
| // add a consumer with a filter |
| m.add(consumerWithFilter); |
| e.waitForStep(1, 5000); |
| // remove the consumer again |
| m.remove(consumerWithFilter); |
| e.waitForStep(2, 5000); |
| } |
| |
| static class Consumer { |
| private volatile int m_count = 0; |
| |
| public void add(Bundle b) { |
| System.out.println("Consumer.add(" + b.getSymbolicName() + ")"); |
| Assert.assertNotNull("bundle instance must not be null", b); |
| m_count++; |
| } |
| |
| public void check() { |
| Assert.assertTrue("we should have found at least one bundle", m_count > 0); |
| } |
| |
| public void remove(Bundle b) { |
| System.out.println("Consumer.remove(" + b.getSymbolicName() + ")"); |
| m_count--; |
| } |
| |
| public void doubleCheck() { |
| Assert.assertEquals("all bundles we found should have been removed again", 0, m_count); |
| } |
| } |
| |
| static class FilteredConsumer { |
| private final Ensure m_ensure; |
| |
| public FilteredConsumer(Ensure e) { |
| m_ensure = e; |
| } |
| |
| public void add(Bundle b) { |
| m_ensure.step(1); |
| } |
| |
| public void remove(Bundle b) { |
| m_ensure.step(3); |
| } |
| } |
| |
| static class FilteredConsumerRequired { |
| private final Ensure m_ensure; |
| |
| public FilteredConsumerRequired(Ensure e) { |
| m_ensure = e; |
| } |
| |
| public void add(Bundle b) { |
| System.out.println("Bundle is " + b); |
| // Assert.assertNotNull(b); |
| if (b.getSymbolicName().equals(BSN)) { |
| m_ensure.step(1); |
| } |
| } |
| |
| public void remove(Bundle b) { |
| Assert.assertNotNull(b); |
| if (b.getSymbolicName().equals(BSN)) { |
| m_ensure.step(2); |
| } |
| } |
| } |
| |
| static class FilteredConsumerRequiredWithComponentArg extends FilteredConsumerRequired { |
| public FilteredConsumerRequiredWithComponentArg(Ensure e) { |
| super(e); |
| } |
| |
| public void add(Component component, Bundle b) { |
| Assert.assertNotNull(component); |
| super.add(b); |
| } |
| |
| public void remove(Component component, Bundle b) { |
| Assert.assertNotNull(component); |
| super.remove(b); |
| } |
| } |
| } |