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* Licensed to the Apache Software Foundation (ASF) under one
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* 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
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* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
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package org.apache.aries.blueprint.itests;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import static org.ops4j.pax.exam.CoreOptions.equinox;
import java.util.Hashtable;
import java.util.List;
import org.apache.aries.blueprint.sample.BindingListener;
import org.apache.aries.blueprint.sample.DefaultRunnable;
import org.apache.aries.blueprint.sample.DestroyTest;
import org.apache.aries.blueprint.sample.InterfaceA;
import org.apache.aries.itest.AbstractIntegrationTest;
import org.apache.aries.unittest.mocks.MethodCall;
import org.apache.aries.unittest.mocks.Skeleton;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.ops4j.pax.exam.Option;
import org.ops4j.pax.exam.junit.JUnit4TestRunner;
import org.osgi.framework.Bundle;
import org.osgi.framework.Constants;
import org.osgi.framework.ServiceRegistration;
import org.osgi.service.blueprint.container.BlueprintContainer;
import org.osgi.service.blueprint.container.ServiceUnavailableException;
import static org.apache.aries.itest.ExtraOptions.*;
@RunWith(JUnit4TestRunner.class)
public class TestReferences extends AbstractIntegrationTest {
@Test
public void testUnaryReference() throws Exception {
BlueprintContainer blueprintContainer = Helper.getBlueprintContainerForBundle(context(), "org.apache.aries.blueprint.sample");
assertNotNull(blueprintContainer);
BindingListener listener = (BindingListener) blueprintContainer.getComponentInstance("bindingListener");
assertNull(listener.getA());
assertNull(listener.getReference());
InterfaceA a = (InterfaceA) blueprintContainer.getComponentInstance("ref2");
try {
a.hello("world");
fail("A ServiceUnavailableException should have been thrown");
} catch (ServiceUnavailableException e) {
// Ignore, expected
}
ServiceRegistration reg1 = bundleContext.registerService(InterfaceA.class.getName(), new InterfaceA() {
public String hello(String msg) {
return "Hello " + msg + "!";
}
}, null);
assertNotNull(listener.getA());
assertNotNull(listener.getReference());
assertEquals("Hello world!", a.hello("world"));
Hashtable props = new Hashtable();
props.put(Constants.SERVICE_RANKING, Integer.valueOf(1));
ServiceRegistration reg2 = bundleContext.registerService(InterfaceA.class.getName(), new InterfaceA() {
public String hello(String msg) {
return "Good morning " + msg + "!";
}
}, props);
assertNotNull(listener.getA());
assertNotNull(listener.getReference());
assertEquals("Hello world!", a.hello("world"));
reg1.unregister();
assertNotNull(listener.getA());
assertNotNull(listener.getReference());
assertEquals("Good morning world!", a.hello("world"));
reg2.unregister();
assertNull(listener.getA());
assertNull(listener.getReference());
try {
a.hello("world");
fail("A ServiceUnavailableException should have been thrown");
} catch (ServiceUnavailableException e) {
// Ignore, expected
}
}
@Test
public void testListReferences() throws Exception {
BlueprintContainer blueprintContainer = Helper.getBlueprintContainerForBundle(context(), "org.apache.aries.blueprint.sample");
assertNotNull(blueprintContainer);
BindingListener listener = (BindingListener) blueprintContainer.getComponentInstance("listBindingListener");
assertNull(listener.getA());
assertNull(listener.getReference());
List refs = (List) blueprintContainer.getComponentInstance("ref-list");
assertNotNull(refs);
assertTrue(refs.isEmpty());
ServiceRegistration reg1 = bundleContext.registerService(InterfaceA.class.getName(), new InterfaceA() {
public String hello(String msg) {
return "Hello " + msg + "!";
}
}, null);
assertNotNull(listener.getA());
assertNotNull(listener.getReference());
assertEquals(1, refs.size());
InterfaceA a = (InterfaceA) refs.get(0);
assertNotNull(a);
assertEquals("Hello world!", a.hello("world"));
}
@Test
public void testDefaultReference() throws Exception {
BlueprintContainer blueprintContainer = Helper.getBlueprintContainerForBundle(context(), "org.apache.aries.blueprint.sample");
assertNotNull(blueprintContainer);
Runnable refRunnable = (Runnable) blueprintContainer.getComponentInstance("refWithDefault");
DefaultRunnable defaultRunnable = (DefaultRunnable) blueprintContainer.getComponentInstance("defaultRunnable");
refRunnable.run();
assertEquals("The default runnable was not called", 1, defaultRunnable.getCount());
Runnable mockService = Skeleton.newMock(Runnable.class);
ServiceRegistration reg = bundleContext.registerService(Runnable.class.getName(), mockService, null);
refRunnable.run();
assertEquals("The default runnable was called when a service was bound", 1, defaultRunnable.getCount());
Skeleton.getSkeleton(mockService).assertCalled(new MethodCall(Runnable.class, "run"));
reg.unregister();
refRunnable.run();
assertEquals("The default runnable was not called", 2, defaultRunnable.getCount());
}
@Test
public void testReferencesCallableInDestroy() throws Exception {
bundleContext.registerService(Runnable.class.getName(), new Thread(), null);
BlueprintContainer blueprintContainer = Helper.getBlueprintContainerForBundle(context(), "org.apache.aries.blueprint.sample");
assertNotNull(blueprintContainer);
DestroyTest dt = (DestroyTest) blueprintContainer.getComponentInstance("destroyCallingReference");
Bundle b = findBundle("org.apache.aries.blueprint.sample");
assertNotNull(b);
b.stop();
assertTrue("The destroy method was called", dt.waitForDestruction(1000));
Exception e = dt.getDestroyFailure();
if (e != null) throw e;
}
private Bundle findBundle(String bsn)
{
for (Bundle b : bundleContext.getBundles()) {
if (bsn.equals(b.getSymbolicName())) return b;
}
return null;
}
@org.ops4j.pax.exam.junit.Configuration
public static Option[] configuration() {
return testOptions(
paxLogging("INFO"),
equinox().version("3.5.0"),
Helper.blueprintBundles(),
bundles("org.apache.aries.blueprint/org.apache.aries.blueprint.sample")
);
}
}