Java tutorial
/* * Copyright 2011-2012 the original author or authors. * * 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 de.olivergierke.whoops.misc.lookup; import static org.hamcrest.CoreMatchers.*; import static org.junit.Assert.*; import java.util.List; import org.junit.Test; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.context.ApplicationContext; import org.springframework.context.annotation.AnnotationConfigApplicationContext; import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.ComponentScan; import org.springframework.context.annotation.Configuration; /** * Integration test showing the container injecting all beans of a given type when autowiring a {@link List} of a given * type. * * @author Oliver Gierke */ public class LookupTest { @Configuration static class Config { @Autowired List<MyPlugin> plugins; @Bean public MyComponent myComponent() { return new MyComponent(plugins); } @Bean public MyPlugin firstPlugin() { return new FirstPlugin(); } @Bean public MyPlugin secondPlugin() { return new SecondPlugin(); } } @Configuration @ComponentScan(basePackageClasses = MyComponent.class) static class ComponentScanConfig { } @Test public void bootstrapJavaConfigContainer() { ApplicationContext context = new AnnotationConfigApplicationContext(Config.class); MyComponent component = context.getBean(MyComponent.class); assertThat(component, is(notNullValue())); List<MyPlugin> plugins = component.getPlugins(); assertThat(plugins.size(), is(2)); } @Test public void bootstrapComponentScanContainer() { ApplicationContext context = new AnnotationConfigApplicationContext(ComponentScanConfig.class); MyComponent component = context.getBean(MyComponent.class); assertThat(component, is(notNullValue())); List<MyPlugin> plugins = component.getPlugins(); assertThat(plugins.size(), is(2)); } }