ITStormRepoAlternate.java

@Testcontainers
@SpringJUnitConfig
@ContextConfiguration(classes = {
		StormTrackerApplication.class }, initializers = ITStormRepoAlternate.Initializer.class)
@TestPropertySource("classpath:application.properties")
@TestMethodOrder(OrderAnnotation.class)
public class ITStormRepoAlternate {

	@Container
	private static PostgreSQLContainer container = new PostgreSQLContainer("postgres:11.2");//Can be an arbitrary image name and tag

	public static class Initializer implements ApplicationContextInitializer<ConfigurableApplicationContext> {
		@Override
		public void initialize(ConfigurableApplicationContext applicationContext) {
			TestPropertyValues.of("spring.datasource.url=" + container.getJdbcUrl(),
					"spring.datasource.username=" + container.getUsername(),
					"spring.datasource.password=" + container.getPassword(),
					.applyTo(applicationContext);
		}
	}

	@Autowired
	private StormRepo repo;

	@Test
	@Order(1)
	public void testReadFromStormsTable() {
		assertThat(repo.count()).isEqualTo(2);
	}

	@Test
	public void testWriteToStormsTable() {
		Storm savedStorm = repo.save(new Storm("03-17-2019", "03-20-2019", "South Atlantic", "Knoxville, Tennesee",
				"Tropical Depression", 3));
		assertThat(savedStorm.getId()).isEqualTo(12);
	}
}