单元测试将Log4j2日志输出到控制台

将log4j2-test.xml文件放在test/resource下，修改appenders全部打印到控制台

<?xml version="1.0" encoding="UTF-8"?>
<configuration>
    <appenders>
        <console name="Console">
            <PatternLayout
                    pattern="%d [%X{traceId} %X{rpcId} - %X{loginUserEmail}/%X{loginUserID}/%X{remoteAddr}/%X{clientId} - %X{requestURIWithQueryString}] %-5p %c{2} - %m%n%throwable"
                    charset="UTF-8"/>
        </console>

    </appenders>


    <loggers>
        <root level="debug">
            <appender-ref ref="Console"/>
        </root>
    </loggers>

</configuration>

测试类

public class UserRepositoryTest {

    /**不配置也可以都去，建议配置*/
    @BeforClass
    public static void setLogger(){
        System.setProperty("logging.config", "classpath:log4j2-test.xml");
    }

    @Test
    public void test(){
        new UserRepository().getUserByName("test");
    }
}