/*
 * Copyright 2002-2008 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 anyframe.core.hibernate.basic;

import anyframe.core.hibernate.AbstractConfigurationalTransactionalTest;
import anyframe.sample.model.bidirection.Country;

/**
 * TestCase Name : HibernateBasicCRUDTest <br>
 * <br>
 * [Description] : Hibernate API - save(), update(), delete(), get() 메소드를 호출함으로써
 * 하나의 엔티티 정보를 등록/수정/삭제/조회해 본다.<br>
 * [Main Flow]
 * <ul>
 * <li>#-1 Positive Case : Hibernate API를 호출하여 신규 등록된 Country 정보를 수정한 후, 수정 여부를
 * 검증한다.</li>
 * <li>#-2 Positive Case : Hibernate API를 호출하여 신규 등록된 Country 정보를 삭제한 후, 삭제 여부를
 * 검증한다.</li>
 * <li>#-3 Positive Case : Hibernate API를 호출하여 한건의 Country를 등록한 후, 등록 여부를 검증한다.</li>
 * </ul>
 * 
 * @author SoYon Lim
 */
public class HibernateBasicCRUDTest extends
		AbstractConfigurationalTransactionalTest {

	protected String getHibernateConfigLocation() {
		return "hibernateconfig/hibernate.cfg.xml";
	}

	/**
	 * [Flow #-1] Positive Case : Hibernate API를 호출하여 신규 등록된 Country 정보를 수정한 후,
	 * 수정 여부를 검증한다.
	 * 
	 * @throws Exception
	 *             throws exception which is from hibernate
	 */
	public void testUpdateCountry() throws Exception {
		// 1. insert a new country information
		Country country = addCountry();

		// 2. update a country information
		country.setCountryName("Republic of Korea");
		session.update(country);

		// 3. check if update is successful
		assertCountryInfo(country.getCountryCode(), country);
	}

	/**
	 * [Flow #-2] Positive Case : Hibernate API를 호출하여 신규 등록된 Country 정보를 삭제한 후,
	 * 삭제 여부를 검증한다.
	 * 
	 * @throws Exception
	 *             throws exception which is from hibernate
	 */
	public void testDeleteCountry() throws Exception {
		// 1. insert a new country information
		Country country = addCountry();

		// 2. delete a country information
		session.delete(country);

		// 3. check if delete is successful
		Country result = (Country) session.get(Country.class, country
				.getCountryCode());
		assertNull("Fail to delete", result);
	}

	/**
	 * [Flow #-3] Positive Case : Hibernate API를 호출하여 한건의 Country를 등록한 후, 등록 여부를
	 * 검증한다.
	 * 
	 * @throws Exception
	 *             throws exception which is from hibernate
	 */
	private Country addCountry() throws Exception {
		// 1. insert a new country information
		Country country = new Country();
		String countryCode = "COUNTRY-0001";
		country.setCountryCode(countryCode);
		country.setCountryId("KR");
		country.setCountryName("Korea");
		session.save(country);

		// 2. check if creation is successful
		assertCountryInfo(countryCode, country);

		return country;
	}

	/**
	 * countryCode를 이용하여 DB로부터 검색한 Country 정보와 입력된 Country 정보가 일치하는지 검증한다.
	 * 
	 * @param countryCode
	 *            Country Code
	 * @param country
	 *            Country Information
	 * @throws Exception
	 *             throws Exception in case assertion is fail
	 */
	private void assertCountryInfo(String countryCode, Country country)
			throws Exception {
		Country result = (Country) session.get(Country.class, countryCode);

		assertEquals("fail to match country id.", country.getCountryId(),
				result.getCountryId());
		assertEquals("fail to match country name.", country.getCountryName(),
				result.getCountryName());
	}
}