使用环境配置文件进行上下文配置

@ExtendWith(SpringExtension.class)
// ApplicationContext will be loaded from "classpath:/app-config.xml"
@ContextConfiguration("/app-config.xml")
@ActiveProfiles("dev")
class TransferServiceTest {

	@Autowired
	TransferService transferService;

	@Test
	void testTransferService() {
		// test the transferService
	}
}

@ExtendWith(SpringExtension::class)
// ApplicationContext will be loaded from "classpath:/app-config.xml"
@ContextConfiguration("/app-config.xml")
@ActiveProfiles("dev")
class TransferServiceTest {

	@Autowired
	lateinit var transferService: TransferService

	@Test
	fun testTransferService() {
		// test the transferService
	}
}

@Configuration
@Profile("dev")
public class StandaloneDataConfig {

	@Bean
	public DataSource dataSource() {
		return new EmbeddedDatabaseBuilder()
			.setType(EmbeddedDatabaseType.HSQL)
			.addScript("classpath:com/bank/config/sql/schema.sql")
			.addScript("classpath:com/bank/config/sql/test-data.sql")
			.build();
	}
}

@Configuration
@Profile("dev")
class StandaloneDataConfig {

	@Bean
	fun dataSource(): DataSource {
		return EmbeddedDatabaseBuilder()
				.setType(EmbeddedDatabaseType.HSQL)
				.addScript("classpath:com/bank/config/sql/schema.sql")
				.addScript("classpath:com/bank/config/sql/test-data.sql")
				.build()
	}
}

@Configuration
@Profile("production")
public class JndiDataConfig {

	@Bean(destroyMethod="")
	public DataSource dataSource() throws Exception {
		Context ctx = new InitialContext();
		return (DataSource) ctx.lookup("java:comp/env/jdbc/datasource");
	}
}

@Configuration
@Profile("production")
class JndiDataConfig {

	@Bean(destroyMethod = "")
	fun dataSource(): DataSource {
		val ctx = InitialContext()
		return ctx.lookup("java:comp/env/jdbc/datasource") as DataSource
	}
}

@Configuration
@Profile("default")
public class DefaultDataConfig {

	@Bean
	public DataSource dataSource() {
		return new EmbeddedDatabaseBuilder()
			.setType(EmbeddedDatabaseType.HSQL)
			.addScript("classpath:com/bank/config/sql/schema.sql")
			.build();
	}
}

@Configuration
@Profile("default")
class DefaultDataConfig {

	@Bean
	fun dataSource(): DataSource {
		return EmbeddedDatabaseBuilder()
				.setType(EmbeddedDatabaseType.HSQL)
				.addScript("classpath:com/bank/config/sql/schema.sql")
				.build()
	}
}

@Configuration
public class TransferServiceConfig {

	@Autowired DataSource dataSource;

	@Bean
	public TransferService transferService() {
		return new DefaultTransferService(accountRepository(), feePolicy());
	}

	@Bean
	public AccountRepository accountRepository() {
		return new JdbcAccountRepository(dataSource);
	}

	@Bean
	public FeePolicy feePolicy() {
		return new ZeroFeePolicy();
	}
}

@Configuration
class TransferServiceConfig {

	@Autowired
	lateinit var dataSource: DataSource

	@Bean
	fun transferService(): TransferService {
		return DefaultTransferService(accountRepository(), feePolicy())
	}

	@Bean
	fun accountRepository(): AccountRepository {
		return JdbcAccountRepository(dataSource)
	}

	@Bean
	fun feePolicy(): FeePolicy {
		return ZeroFeePolicy()
	}
}

@SpringJUnitConfig({
		TransferServiceConfig.class,
		StandaloneDataConfig.class,
		JndiDataConfig.class,
		DefaultDataConfig.class})
@ActiveProfiles("dev")
class TransferServiceTest {

	@Autowired
	TransferService transferService;

	@Test
	void testTransferService() {
		// test the transferService
	}
}

@SpringJUnitConfig(
		TransferServiceConfig::class,
		StandaloneDataConfig::class,
		JndiDataConfig::class,
		DefaultDataConfig::class)
@ActiveProfiles("dev")
class TransferServiceTest {

	@Autowired
	lateinit var transferService: TransferService

	@Test
	fun testTransferService() {
		// test the transferService
	}
}

@SpringJUnitConfig({
		TransferServiceConfig.class,
		StandaloneDataConfig.class,
		JndiDataConfig.class,
		DefaultDataConfig.class})
@ActiveProfiles("dev")
abstract class AbstractIntegrationTest {
}

@SpringJUnitConfig(
		TransferServiceConfig::class,
		StandaloneDataConfig::class,
		JndiDataConfig::class,
		DefaultDataConfig::class)
@ActiveProfiles("dev")
abstract class AbstractIntegrationTest {
}

// "dev" profile inherited from superclass
class TransferServiceTest extends AbstractIntegrationTest {

	@Autowired
	TransferService transferService;

	@Test
	void testTransferService() {
		// test the transferService
	}
}

// "dev" profile inherited from superclass
class TransferServiceTest : AbstractIntegrationTest() {

	@Autowired
	lateinit var transferService: TransferService

	@Test
	fun testTransferService() {
		// test the transferService
	}
}

// "dev" profile overridden with "production"
@ActiveProfiles(profiles = "production", inheritProfiles = false)
class ProductionTransferServiceTest extends AbstractIntegrationTest {
	// test body
}

// "dev" profile overridden with "production"
@ActiveProfiles("production", inheritProfiles = false)
class ProductionTransferServiceTest : AbstractIntegrationTest() {
	// test body
}

// "dev" profile overridden programmatically via a custom resolver
@ActiveProfiles(
		resolver = OperatingSystemActiveProfilesResolver.class,
		inheritProfiles = false)
class TransferServiceTest extends AbstractIntegrationTest {
	// test body
}

// "dev" profile overridden programmatically via a custom resolver
@ActiveProfiles(
		resolver = OperatingSystemActiveProfilesResolver::class,
		inheritProfiles = false)
class TransferServiceTest : AbstractIntegrationTest() {
	// test body
}

public class OperatingSystemActiveProfilesResolver implements ActiveProfilesResolver {

	@Override
	public String[] resolve(Class<?> testClass) {
		String profile = ...;
		// determine the value of profile based on the operating system
		return new String[] {profile};
	}
}

class OperatingSystemActiveProfilesResolver : ActiveProfilesResolver {

	override fun resolve(testClass: Class<*>): Array<String> {
		val profile: String = ...
		// determine the value of profile based on the operating system
		return arrayOf(profile)
	}
}