如何配置 Spring Boot 、 Spring Data JPA 、 Spring Test 和 Hibernate 来为保存和检索对象的单元测试创建、使用和删除给定的 PostgreSQL 架构?
在测试开始之前,Spring Test 应该为测试创建数据库模式。每个测试方法应该在单个事务中运行,完成后,测试方法应该回滚所有数据库操作。在所有测试方法结束时,测试应删除架构。
在目前的形式中,AccountRepositoryTest
通过了,但在架构 public
中创建表 account
,而不是创建表 account
> 在新模式 springboot
中。
配置:
- Spring Boot 1.3.0.BUILD-SNAPSHOT
- Spring Data JPA 1.9.0.RELEASE
- Spring 测试 4.2.3.BUILD-SNAPSHOT
- Hibernate 4.3.11.Final
- PostgreSQL 9.5.4
AccountRepositoryTest.java
@RunWith(SpringJUnit4ClassRunner.class)
@SpringApplicationConfiguration(Application.class)
public class AccountRepositoryTest {
final static Logger logger = LoggerFactory.getLogger(AccountRepositoryTest.class);
@Autowired
AccountRepository accountRepository;
@Test
public void testSaveAccount() {
final Account newAccount = accountRepository.save(new Account("123", "Derek Mahar", 500.00));
final Account readAccount = accountRepository.findOne(newAccount.getId());
logger.info("New account UUID={}", newAccount.getId());
assertEquals(newAccount.getBalance(), readAccount.getBalance(), 0.001);
assertEquals(newAccount.getNumber(), readAccount.getNumber());
assertEquals(newAccount.getOwner(), readAccount.getOwner());
}
@Test
public void testFindByNumber() {
final Account newAccount = accountRepository.save(new Account("456", "Steve Balmer", 500.00));
final Account readAccount = accountRepository.findByNumber(newAccount.getNumber());
logger.info("New account UUID={}", newAccount.getId());
assertEquals(newAccount.getBalance(), readAccount.getBalance(), 0.001);
assertEquals(newAccount.getNumber(), readAccount.getNumber());
assertEquals(newAccount.getOwner(), readAccount.getOwner());
}
@Test
public void testFindByOwner() {
final Account newAccount = accountRepository.save(new Account("789", "Bill Gates", 500.00));
final Account readAccount = accountRepository.findByNumber(newAccount.getNumber());
logger.info("New account UUID={}", newAccount.getId());
assertEquals(newAccount.getBalance(), readAccount.getBalance(), 0.001);
assertEquals(newAccount.getNumber(), readAccount.getNumber());
assertEquals(newAccount.getOwner(), readAccount.getOwner());
}
}
AccountRepository.java
public interface AccountRepository extends CrudRepository<Account, UUID> {
Account findByNumber(String number);
Account findByOwner(String owner);
}
Account.java
@Entity
public class Account implements Serializable {
@Column(nullable = false)
private double balance;
@Id
@GeneratedValue(generator = "uuid2")
@GenericGenerator(name = "uuid2", strategy = "uuid2")
@Column
private UUID id;
@Column(nullable = false)
private String number;
@Column(nullable = false)
private String owner;
public Account(String number, String owner, double balance) {
this.number = number;
this.owner = owner;
this.balance = balance;
}
public Account() {
}
public double getBalance() {
return balance;
}
public UUID getId() {
return id;
}
public String getNumber() {
return number;
}
public String getOwner() {
return owner;
}
}
application.properties
spring.datasource.url=jdbc:postgresql:springboot
spring.datasource.username=springboot
spring.datasource.password=springboot
spring.datasource.driver-class-name=org.postgresql.Driver
spring.datasource.schema=springboot
spring.datasource.initialize=true
spring.jpa.database=springboot
spring.jpa.generate-ddl=true
spring.jpa.hibernate.ddl-auto=create-drop
spring.jpa.show-sql=true
最佳答案
您最好的选择是使用 spring.jpa.hibernate.ddl-auto
Spring Boot 属性。将其包含在application-test.properties
中(或 application-test.yaml
,视情况而定)并将其值设置为 create-drop
(例如 spring.jpa.hibernate.ddl-auto=create-drop
。更多详细信息请参阅 Spring Boot documentation 。
但是,我建议使用内存数据库来运行测试,因为您不会冒将测试指向实际数据库模式的风险,测试将运行得更快,并且您将能够运行持续集成构建在 Travis-CI 或 Shippable 等第三方系统上。
关于java - 如何配置 Spring Boot、Spring JPA、Spring Test 和 Hibernate 来创建、使用和删除给定的 PostgreSQL 架构?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/33442314/