/*
 * 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 org.springframework.yarn.config.annotation;

import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;

import java.util.Map;
import java.util.Properties;

import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.ApplicationContext;
import org.springframework.context.annotation.Configuration;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import org.springframework.test.context.support.AnnotationConfigContextLoader;
import org.springframework.yarn.YarnSystemConstants;
import org.springframework.yarn.config.annotation.EnableYarn.Enable;
import org.springframework.yarn.config.annotation.builders.YarnContainerConfigurer;
import org.springframework.yarn.container.YarnContainer;

@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(loader=AnnotationConfigContextLoader.class)
public class SpringYarnConfigurationContainerTests {

	@Autowired
	private ApplicationContext ctx;

	@Test
	public void testSimpleConfig() throws Exception {
		assertNotNull(ctx);
		assertTrue(ctx.containsBean(YarnSystemConstants.DEFAULT_ID_CONTAINER));
		YarnContainer container = ctx.getBean(YarnSystemConstants.DEFAULT_ID_CONTAINER, YarnContainer.class);
		assertTrue(container instanceof TestYarnContainer);
		assertNotNull(container);
	}

	@Configuration
	@EnableYarn(enable=Enable.CONTAINER)
	static class Config extends SpringYarnConfigurerAdapter {

		@Override
		public void configure(YarnContainerConfigurer container) throws Exception {
			container
				.containerClass(TestYarnContainer.class);
		}

	}

	public static class TestYarnContainer implements YarnContainer {

		@Override
		public void run() {
		}

		@Override
		public void setEnvironment(Map<String, String> environment) {
		}

		@Override
		public void setParameters(Properties parameters) {
		}

	}

}