added new test for Service Composition
git-svn-id: https://svn.apache.org/repos/asf/felix/trunk@930812 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/dependencymanager/test/src/test/java/org/apache/felix/dm/test/CompositionTest.java b/dependencymanager/test/src/test/java/org/apache/felix/dm/test/CompositionTest.java
new file mode 100644
index 0000000..a903c2a
--- /dev/null
+++ b/dependencymanager/test/src/test/java/org/apache/felix/dm/test/CompositionTest.java
@@ -0,0 +1,122 @@
+/*
+ * 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.test;
+
+import static org.ops4j.pax.exam.CoreOptions.mavenBundle;
+import static org.ops4j.pax.exam.CoreOptions.options;
+import static org.ops4j.pax.exam.CoreOptions.provision;
+
+import org.apache.felix.dm.DependencyManager;
+import org.apache.felix.dm.service.Service;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.ops4j.pax.exam.Option;
+import org.ops4j.pax.exam.junit.Configuration;
+import org.ops4j.pax.exam.junit.JUnit4TestRunner;
+import org.osgi.framework.BundleContext;
+
+@RunWith(JUnit4TestRunner.class)
+public class CompositionTest extends Base {
+ @Configuration
+ public static Option[] configuration() {
+ return options(
+ provision(
+ mavenBundle().groupId("org.osgi").artifactId("org.osgi.compendium").version("4.1.0"),
+ mavenBundle().groupId("org.apache.felix").artifactId("org.apache.felix.dependencymanager").versionAsInProject()
+ )
+ );
+ }
+
+ @Test
+ public void testComposition(BundleContext context) {
+ DependencyManager m = new DependencyManager(context);
+ // helper class that ensures certain steps get executed in sequence
+ Ensure e = new Ensure();
+ // create a service provider and consumer
+ Service sp = m.createService().setImplementation(new ServiceProvider(e)).setInterface(ServiceInterface.class.getName(), null);
+ Service sc = m.createService().setImplementation(new ServiceConsumer(e))
+ .setComposition("getComposition")
+ .add(m.createServiceDependency().setService(ServiceInterface.class).setRequired(true).setCallbacks("add", null));
+ m.add(sp);
+ m.add(sc);
+ // ensure we executed all steps inside the component instance
+ e.step(6);
+ }
+
+ static interface ServiceInterface {
+ public void invoke();
+ }
+
+ static class ServiceProvider implements ServiceInterface {
+ private final Ensure m_ensure;
+ public ServiceProvider(Ensure e) {
+ m_ensure = e;
+ }
+ public void invoke() {
+ m_ensure.step(4);
+ }
+ }
+
+ static class ServiceConsumer {
+ private final Ensure m_ensure;
+ private ServiceConsumerComposite m_composite;
+ private ServiceInterface m_service;
+
+ public ServiceConsumer(Ensure e) {
+ m_ensure = e;
+ m_composite = new ServiceConsumerComposite(m_ensure);
+ }
+
+ public Object[] getComposition() {
+ return new Object[] { this, m_composite };
+ }
+
+ void add(ServiceInterface service) {
+ m_ensure.step(1);
+ m_service = service; // This method seems to not being called anymore
+ }
+
+ void start() {
+ m_composite.invoke();
+ m_ensure.step(5);
+ }
+ }
+
+ static class ServiceConsumerComposite {
+ ServiceInterface m_service;
+ private Ensure m_ensure;
+
+ ServiceConsumerComposite(Ensure ensure)
+ {
+ m_ensure = ensure;
+ }
+
+ void add(ServiceInterface service) {
+
+ m_ensure.step(2);
+ m_service = service;
+ }
+
+ void invoke()
+ {
+ m_ensure.step(3);
+ m_service.invoke();
+ }
+ }
+}