net.cpollet.jixture.tests.integration.hibernate3.BaseTestDatabaseTestSupport.java Source code

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Here is the source code for net.cpollet.jixture.tests.integration.hibernate3.BaseTestDatabaseTestSupport.java

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/*
 * Copyright 2013 Christophe Pollet
 *
 * 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 net.cpollet.jixture.tests.integration.hibernate3;

import net.cpollet.jixture.dao.UnitDaoFactory;
import net.cpollet.jixture.fixtures.Fixture;
import net.cpollet.jixture.fixtures.MappingFixture;
import net.cpollet.jixture.support.CommitDatabaseTestSupport;
import net.cpollet.jixture.support.NoCommitDatabaseTestSupport;
import net.cpollet.jixture.tests.mappings.User;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.orm.hibernate3.HibernateTransactionManager;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import org.springframework.transaction.TransactionDefinition;
import org.springframework.transaction.TransactionStatus;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.transaction.support.TransactionCallback;
import org.springframework.transaction.support.TransactionCallbackWithoutResult;
import org.springframework.transaction.support.TransactionTemplate;

import java.util.Arrays;
import java.util.List;

import static org.fest.assertions.Assertions.assertThat;

/**
 * @author Christophe Pollet
 */
@RunWith(SpringJUnit4ClassRunner.class)
@Transactional
@ContextConfiguration("classpath:/spring/hibernate3-integration-context.xml")
public abstract class BaseTestDatabaseTestSupport {
    private static final Logger logger = LoggerFactory.getLogger(BaseTestDatabaseTestSupport.class);

    @Autowired
    private HibernateTransactionManager transactionManager;

    @Autowired
    private NoCommitDatabaseTestSupport noCommitDatabaseTestSupport;

    @Autowired
    private CommitDatabaseTestSupport commitDatabaseTestSupport;

    @Autowired
    private UnitDaoFactory unitDaoFactory;

    @Before
    public void setUp() {
        logger.trace("> setUp()");
        cleanup();
        logger.trace("< setUp()");
    }

    private void cleanup() {
        executeInNewTransaction(new TransactionCallbackWithoutResult() {
            @Override
            protected void doInTransactionWithoutResult(TransactionStatus status) {
                unitDaoFactory.getUnitDao().deleteAll(User.class);
            }
        });

        assertDatabaseDoesNotContainUser();
    }

    @Test
    public void noCommitDatabaseTestSupportDoesNotCommit() {
        noCommitDatabaseTestSupport.addFixtures(Arrays.<Fixture>asList(new MappingFixture(createUser())));
        noCommitDatabaseTestSupport.loadFixtures();

        assertDatabaseContainsUser();

        executeInNewTransaction(new TransactionCallbackWithoutResult() {
            @Override
            protected void doInTransactionWithoutResult(TransactionStatus status) {
                assertDatabaseDoesNotContainUser();
            }
        });
    }

    private User createUser() {
        User user = new User();
        user.setUsername("username");
        user.setConnectionsCount(1);
        return user;
    }

    private void assertDatabaseContainsUser() {
        List<User> users = getUsers();
        assertThat(users.size()).isEqualTo(1);
    }

    @SuppressWarnings("unchecked")
    private List<User> getUsers() {
        return transactionManager.getSessionFactory().getCurrentSession().createCriteria(User.class).list();
    }

    private void executeInNewTransaction(TransactionCallback transactionCallback) {
        TransactionTemplate transactionTemplate = new TransactionTemplate(transactionManager);
        transactionTemplate.setPropagationBehavior(TransactionDefinition.PROPAGATION_REQUIRES_NEW);
        transactionTemplate.setIsolationLevel(TransactionDefinition.ISOLATION_READ_COMMITTED);

        transactionTemplate.execute(transactionCallback);
    }

    private void assertDatabaseDoesNotContainUser() {
        List<User> users = getUsers();
        assertThat(users.size()).isEqualTo(0);
    }

    @Test
    public void commitDatabaseSupportCommits() {
        commitDatabaseTestSupport.addFixtures(Arrays.<Fixture>asList(new MappingFixture(createUser())));
        commitDatabaseTestSupport.loadFixtures();

        assertDatabaseContainsUser();

        executeInNewTransaction(new TransactionCallbackWithoutResult() {
            @Override
            protected void doInTransactionWithoutResult(TransactionStatus status) {
                assertDatabaseContainsUser();
            }
        });

        cleanup();
    }
}