package com.bank.service;
import javax.sql.DataSource;
import org.junit.Before;
import org.junit.Test;
import org.springframework.aop.Advisor;
import org.springframework.aop.framework.Advised;
import org.springframework.aop.support.AopUtils;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.GenericXmlApplicationContext;
import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.transaction.interceptor.TransactionInterceptor;
import com.bank.domain.InsufficientFundsException;
import com.bank.domain.TransferReceipt;
import static org.hamcrest.CoreMatchers.*;
import static org.junit.Assert.*;
/**
* Integration tests for {@link TransferService}.
*/
public class TransferServiceTests {
private JdbcTemplate jdbcTemplate;
private TransferService transferService;
@Before
public void setUp() {
ApplicationContext ctx =
new GenericXmlApplicationContext("com/bank/config/app-config.xml");
this.transferService = ctx.getBean(TransferService.class);
this.jdbcTemplate = new JdbcTemplate(ctx.getBean(DataSource.class));
}
@Test
public void transferServiceIsTransactional() {
boolean isTxProxy = false;
if (AopUtils.isAopProxy(transferService)) {
for (Advisor advisor : ((Advised)transferService).getAdvisors()) {
if (TransactionInterceptor.class.equals(advisor.getAdvice().getClass())) {
isTxProxy = true;
}
}
}
assertTrue("transferService does not have transactional advice applied", isTxProxy);
}
@Test
public void transfer10Dollars() throws InsufficientFundsException {
assertThat(queryForBalance("A123"), equalTo(100.00));
final double transferAmount = 10.00;
TransferReceipt receipt = transferService.transfer(transferAmount, "A123", "C456");
double transferTotal = transferAmount + receipt.getFeeAmount();
assertThat(queryForBalance("A123"), equalTo(100.00 - transferTotal));
}
private double queryForBalance(String acctNumber) {
return jdbcTemplate.queryForObject(
"select balance from account where id = ?", Double.class, acctNumber);
}
}