/*
    * Copyright 2002-2013 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.web.socket.handler;
  
  import org.junit.Test;
  
  import org.springframework.beans.BeanInstantiationException;
  import org.springframework.beans.factory.annotation.Autowired;
  import org.springframework.context.ConfigurableApplicationContext;
  import org.springframework.context.annotation.AnnotationConfigApplicationContext;
  import org.springframework.context.annotation.Bean;
  import org.springframework.context.annotation.Configuration;
  
  import static org.junit.Assert.*;
  
  /**
   * Test fixture for {@link BeanCreatingHandlerProvider}.
   *
   * @author Rossen Stoyanchev
   */
  public class BeanCreatingHandlerProviderTests {
  
  
  	@Test
  	public void getHandlerSimpleInstantiation() {
  
  		BeanCreatingHandlerProvider<SimpleEchoHandler> provider =
  				new BeanCreatingHandlerProvider<SimpleEchoHandler>(SimpleEchoHandler.class);
  
  		assertNotNull(provider.getHandler());
  	}
  
  	@Test
  	public void getHandlerWithBeanFactory() {
  
  		@SuppressWarnings("resource")
  		ConfigurableApplicationContext context = new AnnotationConfigApplicationContext(Config.class);
  
  		BeanCreatingHandlerProvider<EchoHandler> provider =
  				new BeanCreatingHandlerProvider<EchoHandler>(EchoHandler.class);
  		provider.setBeanFactory(context.getBeanFactory());
  
  		assertNotNull(provider.getHandler());
  	}
  
  	@Test(expected=BeanInstantiationException.class)
  	public void getHandlerNoBeanFactory() {
  
  		BeanCreatingHandlerProvider<EchoHandler> provider =
  				new BeanCreatingHandlerProvider<EchoHandler>(EchoHandler.class);
  
  		provider.getHandler();
  	}
  
  
  	@Configuration
  	static class Config {
  
  		@Bean
  		public EchoService echoService() {
  			return new EchoService();
  		}
  	}
  
  	public static class SimpleEchoHandler {
  	}
  
  	private static class EchoHandler {
  
  		@SuppressWarnings("unused")
  		private final EchoService service;
  
  		@Autowired
  		public EchoHandler(EchoService service) {
  			this.service = service;
  		}
  	}
  
  	private static class EchoService {	}
  
  }