de.olivergierke.samples.spring.ConfigClassExtensionTest.java Source code

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/*
 * Copyright 2013 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.samples.spring;

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.Configuration;

/**
 * @author Oliver Gierke
 */
public class ConfigClassExtensionTest {

    @Configuration
    static class ParentConfig {

        public MyComponent component;

        @Autowired
        public void setMyComponent(MyComponent component) {
            this.component = component;
        }
    }

    @Configuration
    static class ChildConfig extends ParentConfig {

        @Bean
        public MyComponentImpl myComponent() {
            return new MyComponentImpl();
        }
    }

    interface MyComponent {

    }

    static class MyComponentImpl implements MyComponent {

    }

    @Test
    @SuppressWarnings("resource")
    public void bootstrapsSelfInjectingConfigurationClass() {

        ApplicationContext context = new AnnotationConfigApplicationContext(ChildConfig.class);
        context.getBean(MyComponent.class);
    }
}