/*
* JBoss, Home of Professional Open Source
* Copyright 2011 Red Hat Inc. and/or its affiliates and other contributors
* as indicated by the @authors tag. All rights reserved.
* See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* Licensed 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.jboss.arquillian.core.impl.loadable;
import java.util.Collection;
import java.util.LinkedHashMap;
import java.util.Set;
import org.jboss.arquillian.core.api.Injector;
import org.jboss.arquillian.core.api.Instance;
import org.jboss.arquillian.core.api.annotation.ApplicationScoped;
import org.jboss.arquillian.core.api.annotation.Inject;
import org.jboss.arquillian.core.impl.loadable.util.FakeService;
import org.jboss.arquillian.core.impl.loadable.util.ShouldBeExcluded;
import org.jboss.arquillian.core.impl.loadable.util.ShouldBeIncluded;
import org.jboss.arquillian.core.test.AbstractManagerTestBase;
import org.junit.Assert;
import org.junit.Test;
/**
* Verify the behavior of the ServiceLoader exposed by the ServiceRegistry.
*
* @author <a href="mailto:aslak@redhat.com">Aslak Knutsen</a>
* @version $Revision: $
*/
public class ServiceRegistryLoaderTestCase extends AbstractManagerTestBase {
@Inject
private Instance<Injector> injector;
@Test
public void shouldBeAbleToLoadAll() throws Exception {
ServiceRegistry registry = new ServiceRegistry(injector.get(), new LinkedHashMap<Class<?>, Set<Class<?>>>());
registry.addService(FakeService.class, ShouldBeExcluded.class);
registry.addService(FakeService.class, ShouldBeIncluded.class);
Collection<FakeService> services = registry.getServiceLoader().all(FakeService.class);
Assert.assertNotNull(services);
Assert.assertEquals(
"Verify both services were loaded",
2, services.size());
for (FakeService service : services) {
Assert.assertTrue(
"Verify that the services are of the expected types",
(service instanceof ShouldBeExcluded) || (service instanceof ShouldBeIncluded));
}
}
@Test
public void shouldBeAbleToLoadAllEvenIfNonRegistered() throws Exception {
ServiceRegistry registry = new ServiceRegistry(injector.get(), new LinkedHashMap<Class<?>, Set<Class<?>>>());
Collection<FakeService> services = registry.getServiceLoader().all(FakeService.class);
Assert.assertNotNull(services);
Assert.assertEquals(
"Verify no services were loaded",
0, services.size());
}
@Test
public void shouldBeAbleToLoadOnlyOne() throws Exception {
ServiceRegistry registry = new ServiceRegistry(injector.get(), new LinkedHashMap<Class<?>, Set<Class<?>>>());
registry.addService(FakeService.class, ShouldBeIncluded.class);
FakeService service = registry.getServiceLoader().onlyOne(FakeService.class);
Assert.assertNotNull(service);
Assert.assertTrue(
"Verify service is of expected type",
service instanceof ShouldBeIncluded);
}
@Test(expected = IllegalStateException.class)
public void shouldThrowExceptionIfMultipleFoundWhenTryingOnlyOne() throws Exception {
ServiceRegistry registry = new ServiceRegistry(injector.get(), new LinkedHashMap<Class<?>, Set<Class<?>>>());
registry.addService(FakeService.class, ShouldBeIncluded.class);
registry.addService(FakeService.class, ShouldBeExcluded.class);
// throws exception
registry.getServiceLoader().onlyOne(FakeService.class);
}
@Test
public void shouldBeAbleToLoadDefaultIfNoneFound() throws Exception {
ServiceRegistry registry = new ServiceRegistry(injector.get(), new LinkedHashMap<Class<?>, Set<Class<?>>>());
Assert.assertNull(registry.getServiceLoader().onlyOne(FakeService.class));
FakeService service = registry.getServiceLoader().onlyOne(FakeService.class, ShouldBeIncluded.class);
Assert.assertNotNull(service);
Assert.assertTrue(
"Verify service is of expected type",
service instanceof ShouldBeIncluded);
}
@Test
public void loadedServicesShouldBeStaticallyInjected() throws Exception {
bind(ApplicationScoped.class, String.class, "TEST");
ServiceRegistry registry = new ServiceRegistry(injector.get(), new LinkedHashMap<Class<?>, Set<Class<?>>>());
registry.addService(FakeService.class, ShouldBeIncluded.class);
FakeService service = registry.getServiceLoader().onlyOne(FakeService.class);
Assert.assertTrue(
"Verify service has been statically injected",
service.isValid());
}
/*
* ARQ-528: Default services should also be statically injected
*/
@Test
public void loadedDefaultServicesShouldBeStaticallyInjected() throws Exception {
bind(ApplicationScoped.class, String.class, "TEST");
ServiceRegistry registry = new ServiceRegistry(injector.get(), new LinkedHashMap<Class<?>, Set<Class<?>>>());
Assert.assertNull(registry.getServiceLoader().onlyOne(FakeService.class));
FakeService service = registry.getServiceLoader().onlyOne(FakeService.class, ShouldBeIncluded.class);
Assert.assertTrue(
"Verify service has been statically injected",
service.isValid());
}
/*
* ARQ-1024: Protected services should be loadable
*/
@SuppressWarnings("unchecked")
@Test
public void shouldBeAbleToLoadProtectedServices() throws Exception {
ServiceRegistry registry = new ServiceRegistry(injector.get(), new LinkedHashMap<Class<?>, Set<Class<?>>>());
registry.addService(
FakeService.class,
(Class<FakeService>) Class.forName("org.jboss.arquillian.core.impl.loadable.util.PackageProtectedService"));
FakeService service = registry.getServiceLoader().onlyOne(FakeService.class);
Assert.assertNotNull("Could load package protected service", service);
}
}