Spring IT测试-无法对final类进行子类化
这是我的服务课:Spring IT测试-无法对final类进行子类化,spring,dependency-injection,integration-testing,inversion-of-control,Spring,Dependency Injection,Integration Testing,Inversion Of Control,这是我的服务课: @Validated public final class SenderImpl implements Sender { private static final Logger LOGGER = LoggerFactory.getLogger(SenderImpl.class); private final ExchangeService exchangeService; private final IntegratorService integratorSer
@Validated
public final class SenderImpl implements Sender {
private static final Logger LOGGER = LoggerFactory.getLogger(SenderImpl.class);
private final ExchangeService exchangeService;
private final IntegratorService integratorService;
@Autowired
public SenderImpl(ExchangeService exchangeService, IntegratorService integratorService) {
this.exchangeService = exchangeService;
this.integratorService = integratorService;
}
@Override
public String send(@NotNull String rawData, @NotNull String channelName) throws ClientException {
(...)
return rawMessage;
}
}
这是我对这个类的IT测试,我需要自动连线ApplicationContext:
@RunWith(SpringRunner.class)
@SpringBootTest(classes = Application.class)
public class SenderTestIT {
@Autowired
private ApplicationContext applicationContext;
@Autowired
private Sender sender;
@MockBean
private SecurityHelper securityHelper;
@Before
public void setup() {
(...)
}
@Test
public void testSending() throws ClientException {
// given
// when
String response = sender.send("...", "...");
// then
assertThat(response).isNotNull();
}
}
运行后出现以下错误:
Caused by: java.lang.IllegalArgumentException: Cannot subclass final class com.projects.pl.services.SenderImpl
at org.springframework.cglib.proxy.Enhancer.generateClass(Enhancer.java:565)
at org.springframework.cglib.transform.TransformingClassGenerator.generateClass(TransformingClassGenerator.java:33)
at org.springframework.cglib.core.DefaultGeneratorStrategy.generate(DefaultGeneratorStrategy.java:25)
at org.springframework.aop.framework.CglibAopProxy$ClassLoaderAwareUndeclaredThrowableStrategy.generate(CglibAopProxy.java:1004)
at org.springframework.cglib.core.AbstractClassGenerator.generate(AbstractClassGenerator.java:329)
at org.springframework.cglib.proxy.Enhancer.generate(Enhancer.java:492)
at org.springframework.cglib.core.AbstractClassGenerator$ClassLoaderData$3.apply(AbstractClassGenerator.java:93)
at org.springframework.cglib.core.AbstractClassGenerator$ClassLoaderData$3.apply(AbstractClassGenerator.java:91)
它可能是由我的SenderImpl类中的final修饰符引起的。这是个好办法吗?如果是,那么解决方法是什么 不要让你的
SenderImpl
课程成为最终课程
您的日志跟踪显示Spring正在使用CGLIB
CGLIB
将扩展SenderImpl
以生成代理
而CGLIB
要发挥作用的要求是让你的课程非期末考试
这就是例外
Cannot subclass final class com.projects.pl.services.SenderImpl
您可以阅读更多关于CGLIB的内容谢谢,那么是否可以为最终课程编写it测试呢?