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package ru.intr13.example.springTransactionalTest;

import java.util.Collection;
import java.util.UUID;

import junit.framework.Assert;

import org.junit.After;
import org.junit.Test;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.AbstractTransactionalJUnit4SpringContextTests;
import org.springframework.test.context.transaction.TransactionConfiguration;
import org.springframework.transaction.PlatformTransactionManager;
import org.springframework.transaction.TransactionDefinition;
import org.springframework.transaction.TransactionStatus;
import org.springframework.transaction.support.DefaultTransactionDefinition;

@ContextConfiguration(locations = { "/applicationContext.xml" })
@TransactionConfiguration(defaultRollback = true, transactionManager = "transactionManager")
public class DataDaoTest extends AbstractTransactionalJUnit4SpringContextTests {

	@Autowired
	private DataDao dataDao;

	@Autowired
	private PlatformTransactionManager transactionManager;
	
	@After
	public void after(){
		dataDao.checkpoint();
	}

	@Test
	public void simpleTest() {
		String text = UUID.randomUUID().toString();
		dataDao.save(new Data(text));
		Collection<Data> result = dataDao.find(text);
		Assert.assertEquals(1, result.size());
		Assert.assertEquals(text, result.iterator().next().getText());
	}

	@Test
	public void comlexTest() {
		TransactionStatus transaction = transactionManager.getTransaction(new DefaultTransactionDefinition(
				TransactionDefinition.PROPAGATION_REQUIRES_NEW));
		String text = UUID.randomUUID().toString();
		dataDao.save(new Data(text));
		transactionManager.commit(transaction);
		transaction = transactionManager.getTransaction(new DefaultTransactionDefinition(
				TransactionDefinition.PROPAGATION_REQUIRES_NEW));
		Collection<Data> result = dataDao.find(text);
		Assert.assertEquals(1, result.size());
		Assert.assertEquals(text, result.iterator().next().getText());
		transactionManager.rollback(transaction);
	}

}