springboot整合redis,但是在测试的时候,RedisTemplate是空的

依赖

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.2.5.RELEASE</version>
        <relativePath/> <!-- lookup parent from repository -->
    </parent>
    <groupId>com.kuang</groupId>
    <artifactId>springboot-redis</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <name>springboot-redis</name>
    <description>Demo project for Spring Boot</description>

    <properties>
        <java.version>1.8</java.version>
    </properties>

    <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-data-redis</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
            <exclusions>
                <exclusion>
                    <groupId>org.junit.vintage</groupId>
                    <artifactId>junit-vintage-engine</artifactId>
                </exclusion>
            </exclusions>
        </dependency>
    </dependencies>

    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
            </plugin>
        </plugins>
    </build>

</project>

这是yml

spring:
  redis:
    host: 127.0.0.1
    port: 6379
    password:
    jedis:
      pool:
        max-active: 8
        max-wait: -1ms
        max-idle: 500
        min-idle: 0
    lettuce:
      shutdown-timeout: 0ms

测试

@SpringBootTest
class RedisSpringbootApplicationTests {

    @Resource
    private RedisTemplate<String,String> redisTemplate;

    @Test
    void contextLoads() {

        System.out.println(redisTemplate);

    }

}

结果就是redisTemplate是个null
百度了好多,Autowired也试了,还是空

会不会是因为容器没有启动,单纯的测试是无法注入
加上@RunWith(启动类名称.class)

RedisTemplate 使用不对