Spring Boot中的Junit不断失败

Question

@RunWith(SpringRunner.class)
//@SpringBootTest
@WebMvcTest(TokenServiceImpl.class)
public class TokenTest {


    @Test
    public void getOauthToken()
    {

        System.out.println( " done test");

    }

public class TokenServiceImpl implements TokenService{
public String  getToken() throws RuntimeException{
          return  " Token returned"  ;  
    }

我得到以下错误：-snippet

2019-11-27 19:12:45.884警告15864-[main]O.s.w.cs.GenericWebApplicationContext：上下文初始化期间遇到异常-取消刷新尝试：org.springframework.beans.factory.unsatisfieddependencyException：创建名为“run application”的bean时出错：通过字段“job”表示的不满足的依赖关系；嵌套异常为org.springframework.beans.factory.unsatisfieddependencyException：创建类路径资源[com/mycompany/project1/batch/configurations/batchbdrentityconfig.class]中定义的名称为'job'的bean时出错：通过方法'job'参数4表示的不满足的依赖关系；嵌套异常为org.springframework.beans.factory.unsatisfieddependencyexception：创建名为“batch dbwriter”的bean时出错：通过字段“bdrEntityRepository”表示的不满足依赖项；嵌套异常为org.springframework.beans.factory.noSuchBeanDefinitionException：没有“com.mycompany.project1.batch.repositories.bdrEntityRepository”类型的合格bean可用：应至少有一个合格的自带候选bean。依赖项注释：{@org.SpringFramework.Beans.Factory.Annotation.AutoWired(required=true)}

com.mycompany.project1.batch.services.batchdbwriter中得字段BDREntityRepository需要类型为“com.mycompany.project1.batch.repositories.BDREntityRepository”得bean,但找不到该bean.

考虑在您的配置中定义一个类型为“com.mycompany.project1.batch.repositories.bdrEntityRepository”的bean。

原因：org.springframework.beans.factory.unsatisfieddependencyexception：创建名为“run application”的bean时出错：通过字段“job”表示的不满足的依赖关系；嵌套异常为org.springframework.beans.factory.unsatisfieddependencyException：创建类路径资源[com/mycompany/project1/batch/configurations/batchbdrentityconfig.class]中定义的名称为'job'的bean时出错：通过方法'job'参数4表示的不满足的依赖关系；嵌套异常为org.springframework.beans.factory.unsatisfieddependencyexception：创建名为“batch dbwriter”的bean时出错：通过字段“bdrEntityRepository”表示的不满足依赖项；嵌套异常为org.springframework.beans.factory.noSuchBeanDefinitionException：没有“com.mycompany.project1.batch.repositories.bdrEntityRepository”类型的合格bean可用：应至少有一个合格的自带候选bean。依赖项注释：{@org.SpringFramework.Beans.Factory.Annotation.AutoWired(required=true)}

原因：org.springframework.beans.factory.unsatisfieddependencyexception：创建名为“batch dbwriter”的bean时出错：通过字段“bdrEntityRepository”表示的不满足依赖项；嵌套异常为org.springframework.beans.factory.noSuchBeanDefinitionException：没有“com.mycompany.project1.batch.repositories.bdrEntityRepository”类型的合格bean可用：应至少有一个合格的自带候选bean。依赖项注释：{@org.SpringFramework.Beans.Factory.Annotation.AutoWired(required=true)}

原因：org.springframework.beans.factory.noSuchBeanDefinitionException：没有“com.mycompany.project1.batch.repositories.bdrEntityRepository”类型的合格bean可用：应至少有一个合格的自带候选bean。依赖项注释：{@org.SpringFramework.Beans.Factory.Annotation.AutoWired(required=true)}

我的主要方法如下

@SpringBootApplication
@ComponentScan(basePackages= {"com.mycompany.project1"})
public class RunApplication{


    private static final Logger logger = Logger.getLogger(BatchController.class);

    @Autowired 
    JobLauncher jobLauncher;

    @Autowired 
    Job job;

    /*
     * jmxBean will get loaded when this managed bean is called from RMI, and it will fire batch execution
     */
    public static void main(String[] args){

        ApplicationContext app = SpringApplication.run(RunApplication.class, args);
        logger.debug("Batch Application has been started...");
        BatchController controller =    app.getBean(BatchController.class);
        //Start batch process when application starts or restart, its optional call and can be commented out
        //as we have JMX to expose load method on demand
        //BatchController batch = new BatchController();
        controller.startBatchProessFromMain();

    }
}

@Component
public class BatchDBWriter implements ItemWriter<BDREntity> {

    private static final Logger logger = Logger.getLogger(BatchDBWriter.class);

    @Autowired
    private BDREntityRepository bDREntityRepository;

    /*
     * this method call the JPArepository's saveAll
     * function and saves all the list of bdrEntitiesat a time.
     */
    @Override
    public void write(List<? extends BDREntity> bdrEntities) throws Exception {

        bDREntityRepository.saveAll(bdrEntities);
    }
}

我如何修复我的Junit？

Answer 1

您正在使用@webmvctest这是一个测试切片注释。它专门用于测试应用程序中与WebMVC相关的组件，是集成测试的一种形式。

您在评论中说，您没有尝试对应用程序进行集成测试。在这种情况下，您不应该使用@springboottest或Spring boot提供的任何其他@…test注释。

假设您的目标是对TokenServiceImpl进行单元测试，我希望您的测试类看起来如下所示：

public class TokenTest {

    private final TokenServiceImpl tokenService = new TokenServiceImpl();

    @Test
    public void getOauthToken() {
        String token = this.tokenService.getToken();
        // Assertions to check the token go here
    }

}