Increasing test performance using TestContainers

FasterJooqUserDaoTest.java

package be.objectify.tcexample.db;

import be.objectify.tcexample.AbstractUserDaoTest;
import be.objectify.tcexample.UserDao;
import org.junit.After;
import org.junit.Before;
import org.junit.ClassRule;
import org.testcontainers.containers.PostgreSQLContainer;
import play.db.Database;

public class FasterJooqUserDaoTest extends AbstractUserDaoTest implements DbTestSupport,
                                                                          TestData {

    @ClassRule
    public static PostgreSQLContainer postgres = new PostgreSQLContainer();
    
    private Database database;
    
    @Before
    public void setup() throws Exception {
        database = create(postgres); 
        loadTestData(database); 
    }

    @After
    public void tearDown() {
        destroy(database);
    }

    @Override
    public UserDao dao() {
        return new JooqUserDao(database);
    }
}

JooqUserDaoTest.java

package be.objectify.tcexample.db;

import be.objectify.tcexample.AbstractUserDaoTest;
import be.objectify.tcexample.UserDao;
import org.junit.After;
import org.junit.Before;
import org.junit.Rule;
import org.testcontainers.containers.PostgreSQLContainer;
import play.db.Database;

public class JooqUserDaoTest extends AbstractUserDaoTest implements DbTestSupport,
                                                                    TestData {

    @Rule
    public PostgreSQLContainer postgres = new PostgreSQLContainer();
    
    private Database database;
    
    @Before
    public void setup() throws Exception {
        // the database has all evolutions applied
        database = create(postgres); 
        // load some test data
        loadTestData(database); 
    }

    @After
    public void tearDown() {
        destroy(database);
    }

    @Override
    public UserDao dao() {
        return new JooqUserDao(database);
    }
}