/*
* Copyright (c) MuleSoft, Inc. All rights reserved. http://www.mulesoft.com
* The software in this package is published under the terms of the CPAL v1.0
* license, a copy of which has been included with this distribution in the
* LICENSE.txt file.
*/
package org.mule.runtime.module.service;
import static java.util.Collections.emptyList;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.equalTo;
import static org.hamcrest.Matchers.hasItem;
import static org.hamcrest.core.Is.is;
import static org.mockito.Mockito.mock;
import org.mule.runtime.api.service.Service;
import org.mule.runtime.api.service.ServiceDefinition;
import org.mule.runtime.api.service.ServiceProvider;
import org.mule.runtime.module.service.ReflectionServiceProviderResolutionHelper;
import org.mule.runtime.module.service.ServiceResolutionError;
import org.mule.tck.junit4.AbstractMuleTestCase;
import java.util.ArrayList;
import java.util.List;
import javax.inject.Inject;
import org.junit.Test;
public class ReflectionServiceProviderResolutionHelperTestCase extends AbstractMuleTestCase {
private final ReflectionServiceProviderResolutionHelper providerResolutionHelper =
new ReflectionServiceProviderResolutionHelper();
@Test
public void findsNoDependencies() throws Exception {
final List<Class<? extends Service>> dependencies =
providerResolutionHelper.findServiceDependencies(mock(ServiceProvider.class));
assertThat(dependencies.size(), equalTo(0));
}
@Test
public void findsDependencies() throws Exception {
final List<Class<? extends Service>> dependencies =
providerResolutionHelper.findServiceDependencies(new InjectableServiceProvider());
assertThat(dependencies.size(), equalTo(1));
assertThat(dependencies, hasItem(FooService.class));
}
@Test(expected = IllegalArgumentException.class)
public void failsIfNonServiceDependencyIsFound() throws Exception {
providerResolutionHelper.findServiceDependencies(new NoInjectableServiceProvider());
}
@Test
public void injectsDependencies() throws Exception {
final InjectableServiceProvider serviceProvider = new InjectableServiceProvider();
List<ServiceDefinition> resolvedServices = new ArrayList<>();
FooService fooService = mock(FooService.class);
resolvedServices.add(new ServiceDefinition(FooService.class, fooService));
providerResolutionHelper.injectInstance(serviceProvider, resolvedServices);
assertThat(serviceProvider.fooService, is(fooService));
}
@Test(expected = ServiceResolutionError.class)
public void detectsMissingDependency() throws Exception {
final InjectableServiceProvider serviceProvider = new InjectableServiceProvider();
providerResolutionHelper.injectInstance(serviceProvider, emptyList());
}
public interface FooService extends Service {
}
public static class InjectableServiceProvider implements ServiceProvider {
@Inject
FooService fooService;
@Override
public List<ServiceDefinition> providedServices() {
return null;
}
}
public static class NoInjectableServiceProvider implements ServiceProvider {
@Inject
String message;
@Override
public List<ServiceDefinition> providedServices() {
return null;
}
}
}