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  • idea中springboot使用junit测试报错的问题

    问题:
    Exception in thread "main" java.lang.NoSuchMethodError: org.junit.platform.commons.util.ReflectionUtils.getDefaultClassLoader()Ljava/lang/ClassLoader;
        at org.junit.platform.launcher.core.ServiceLoaderTestEngineRegistry.loadTestEngines(ServiceLoaderTestEngineRegistry.java:30)
        at org.junit.platform.launcher.core.LauncherFactory.create(LauncherFactory.java:53)
        at com.intellij.junit5.JUnit5IdeaTestRunner.createListeners(JUnit5IdeaTestRunner.java:39)
        at com.intellij.rt.execution.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:49)
        at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:242)
        at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:70)
     
     
    Process finished with exit code 1
    Empty test suite.
     
    原因:
        官方建议如果跑Junit5建议使用IDEA 2017.3之后的版本.因为较之前的版本还不支持Junit5; 
     
     
    解决方案:
        1】换高版本的idea
        2】换junit4
     
    springboot工程如何使用junit4:
    1)修改pom.xml
    使用springboot启动器创建的工程的pom中默认会带测试启动器spring-boot-starter-test;
    spring-boot-starter-test默认依赖Junit5(JUnit Platform + JUnit Jupiter + JUnit Vintage);
    需要排除Junit5相关的依赖包:排除junit-jupiter-api,然后再加入Junit4的依赖;
    <dependency>
       <groupId>org.springframework.boot</groupId>
       <artifactId>spring-boot-starter-test</artifactId>
       <scope>test</scope>
       <exclusions>
          <exclusion>
             <groupId>org.junit.jupiter</groupId>
             <artifactId>junit-jupiter-api</artifactId>
          </exclusion>
       </exclusions>
    </dependency>
     
    2)创建测试类
    @RunWith(SpringRunner.class)
    @SpringBootTest(classes = Application.class)
    public class TestRedis {
        @Autowired
        private StringRedisTemplate strTemp;
     
        @Test
        public void go(){
            System.out.println("hello");
        }
    }
    Application为spring工程的启动类
     
     
     
     
     
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  • 原文地址:https://www.cnblogs.com/ShiningArmor/p/13139523.html
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