Spring Framework example source code file (BeforeAndAfterTransactionAnnotationTests.java)

This example Spring Framework source code file (BeforeAndAfterTransactionAnnotationTests.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Spring Framework tags/keywords

adding, adding, afterclass, aftertransaction, annotation, jane, simplejdbctemplate, sql, sue, test, test, transactional, verifying, verifying, yoda, yoda

The Spring Framework BeforeAndAfterTransactionAnnotationTests.java source code

/*
 * 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 org.springframework.test.context.junit4;

import javax.annotation.Resource;
import javax.sql.DataSource;

import static org.junit.Assert.assertEquals;
import static org.springframework.test.transaction.TransactionTestUtils.assertInTransaction;

import org.junit.AfterClass;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;
import org.junit.runner.RunWith;

import org.springframework.jdbc.core.simple.SimpleJdbcTemplate;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.TestExecutionListeners;
import org.springframework.test.context.transaction.AfterTransaction;
import org.springframework.test.context.transaction.BeforeTransaction;
import org.springframework.test.context.transaction.TransactionalTestExecutionListener;
import org.springframework.transaction.annotation.Transactional;

/**
 * JUnit 4 based unit test which verifies
 * {@link BeforeTransaction @BeforeTransaction} and
 * {@link AfterTransaction @AfterTransaction} behavior.
 *
 * @author Sam Brannen
 * @since 2.5
 */
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration
@TestExecutionListeners({TransactionalTestExecutionListener.class})
public class BeforeAndAfterTransactionAnnotationTests extends AbstractTransactionalSpringRunnerTests {

	protected static SimpleJdbcTemplate simpleJdbcTemplate;

	protected static int numBeforeTransactionCalls = 0;
	protected static int numAfterTransactionCalls = 0;

	protected boolean inTransaction = false;


	@BeforeClass
	public static void beforeClass() {
		BeforeAndAfterTransactionAnnotationTests.numBeforeTransactionCalls = 0;
		BeforeAndAfterTransactionAnnotationTests.numAfterTransactionCalls = 0;
	}

	@AfterClass
	public static void afterClass() {
		assertEquals("Verifying the final number of rows in the person table after all tests.", 3,
				countRowsInPersonTable(simpleJdbcTemplate));
		assertEquals("Verifying the total number of calls to beforeTransaction().", 2,
				BeforeAndAfterTransactionAnnotationTests.numBeforeTransactionCalls);
		assertEquals("Verifying the total number of calls to afterTransaction().", 2,
				BeforeAndAfterTransactionAnnotationTests.numAfterTransactionCalls);
	}


	@BeforeTransaction
	public void beforeTransaction() {
		assertInTransaction(false);
		this.inTransaction = true;
		BeforeAndAfterTransactionAnnotationTests.numBeforeTransactionCalls++;
		clearPersonTable(simpleJdbcTemplate);
		assertEquals("Adding yoda", 1, addPerson(simpleJdbcTemplate, YODA));
	}

	@AfterTransaction
	public void afterTransaction() {
		assertInTransaction(false);
		this.inTransaction = false;
		BeforeAndAfterTransactionAnnotationTests.numAfterTransactionCalls++;
		assertEquals("Deleting yoda", 1, deletePerson(simpleJdbcTemplate, YODA));
		assertEquals("Verifying the number of rows in the person table after a transactional test method.", 0,
				countRowsInPersonTable(simpleJdbcTemplate));
	}

	@Before
	public void before() {
		assertEquals("Verifying the number of rows in the person table before a test method.", (this.inTransaction ? 1 : 0), countRowsInPersonTable(simpleJdbcTemplate));
	}

	@Test
	@Transactional
	public void transactionalMethod1() {
		assertInTransaction(true);
		assertEquals("Adding jane", 1, addPerson(simpleJdbcTemplate, JANE));
		assertEquals("Verifying the number of rows in the person table within transactionalMethod1().", 2,
				countRowsInPersonTable(simpleJdbcTemplate));
	}

	@Test
	@Transactional
	public void transactionalMethod2() {
		assertInTransaction(true);
		assertEquals("Adding jane", 1, addPerson(simpleJdbcTemplate, JANE));
		assertEquals("Adding sue", 1, addPerson(simpleJdbcTemplate, SUE));
		assertEquals("Verifying the number of rows in the person table within transactionalMethod2().", 3,
				countRowsInPersonTable(simpleJdbcTemplate));
	}

	@Test
	public void nonTransactionalMethod() {
		assertInTransaction(false);
		assertEquals("Adding luke", 1, addPerson(simpleJdbcTemplate, LUKE));
		assertEquals("Adding leia", 1, addPerson(simpleJdbcTemplate, LEIA));
		assertEquals("Adding yoda", 1, addPerson(simpleJdbcTemplate, YODA));
		assertEquals("Verifying the number of rows in the person table without a transaction.", 3,
				countRowsInPersonTable(simpleJdbcTemplate));
	}


	public static class DatabaseSetup {

		@Resource
		void setDataSource(DataSource dataSource) {
			simpleJdbcTemplate = new SimpleJdbcTemplate(dataSource);
			createPersonTable(simpleJdbcTemplate);
		}
	}

}