我使用转换器类,在单元测试中出现空指针异常错误。但是我用return accountDto
代替了转换器类它正在运行。代码正在邮递员处运行。请给我一些建议。
@Test
void store() {
Date date = new Date();
Account accountMock = mock(Account.class);
AccountDto accountDto = new AccountDto();
accountDto.setId(randomUUID);
accountDto.setName("Test-Name");
accountDto.setSurname("Test-Lastname");
accountDto.setEmail("Test-Email");
accountDto.setBirth_date(date);
accountDto.setPassword("Test-Email");
accountDto.setStatus(OPEN);
when(accountMock.getId())
.thenReturn(String.valueOf(randomUUID));
when(accountRepository.save(ArgumentMatchers.any(Account.class)))
.thenReturn(accountMock);
AccountDto result = accountService.store(accountDto);
assertEquals(result.getName(), accountDto.getName());
assertEquals(result.getId(), String.valueOf(randomUUID));
}
服务方法=>
@Transactional
public AccountDto store(AccountDto accountDto) {
Account account = new Account();
account.setName(accountDto.getName());
account.setSurname(accountDto.getSurname());
account.setEmail(accountDto.getEmail());
account.setBirth_date(accountDto.getBirth_date());
account.setPassword(accountDto.getPassword());
account.setStatus(accountDto.getStatus());
final Account accountDb = repository.save(account);
accountDto.setId(accountDb.getId());
return converter.convertFromEntity(accountDb);
}
转换器类=>
/**
* Converts Entity to DTO.
*
* @param entity domain entity
* @return The DTO representation - the result of the converting function application on domain
* entity.
*/
public final T convertFromEntity(final U entity) {
return fromEntity.apply(entity);
}
错误=>
java.lang.NullPointerException
at com.kablanfatih.tddexample.converter.Converter.convertFromEntity(Converter.java:51)
at com.kablanfatih.tddexample.service.impl.AccountServiceImpl.store(AccountServiceImpl.java:42)
at com.kablanfatih.tddexample.service.impl.AccountServiceImplTest.store(AccountServiceImplTest.java:87)
我认为您有两个选择。首先,您可以模拟Converter类,其次,您可以正确地初始化转换器并在测试中使用它。我更喜欢第一个解决方案,因为我可以控制Converter的行为。