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上篇和大家學(xué)習(xí)了spring cloud 如何整合reids,在測(cè)試時(shí)借用了web形式的restful接口進(jìn)行的。那還有沒(méi)有別的方式可以對(duì)spring boot和spring cloud編寫的代碼進(jìn)行單元測(cè)試呢?答案:肯定是有的。這篇講解一下如何使用 spring-boot-starter-test進(jìn)行單元測(cè)試
1、新建項(xiàng)目sc-test,對(duì)應(yīng)的pom.xml文件如下
<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 http://maven.apache.org/xsd/maven-4.0.0.xsd"> <modelVersion>4.0.0</modelVersion> <groupId>spring-cloud</groupId> <artifactId>sc-test</artifactId> <version>0.0.1-SNAPSHOT</version> <packaging>jar</packaging> <name>sc-test</name> <url>http://maven.apache.org</url> <parent> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-parent</artifactId> <version>2.0.4.RELEASE</version> </parent> <dependencyManagement> <dependencies> <dependency> <groupId>org.springframework.cloud</groupId> <artifactId>spring-cloud-dependencies</artifactId> <version>Finchley.RELEASE</version> <type>pom</type> <scope>import</scope> </dependency> </dependencies> </dependencyManagement> <properties> <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> <maven.compiler.source>1.8</maven.compiler.source> <maven.compiler.target>1.8</maven.compiler.target> </properties> <dependencies> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-data-redis</artifactId> </dependency> <dependency> <groupId>org.apache.commons</groupId> <artifactId>commons-pool2</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> </dependency> <!-- <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-test</artifactId> <scope>test</scope> </dependency> --> </dependencies> </project>
說(shuō)明:只要使用spring-boot-starter-test即可,該jar已經(jīng)包含spring-boot-test
2、新建spring boot啟動(dòng)類
package sc.test; import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.SpringBootApplication; @SpringBootApplication public class TestApplication { public static void main(String[] args) { SpringApplication.run(TestApplication.class, args); } }
備注:如果沒(méi)有該類,spring-test啟動(dòng)將報(bào)錯(cuò),見(jiàn)下圖
3、新建操作redis的配置類
package sc.test.config; import java.io.Serializable; import org.springframework.boot.autoconfigure.AutoConfigureAfter; import org.springframework.boot.autoconfigure.data.redis.RedisAutoConfiguration; import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.Configuration; import org.springframework.data.redis.connection.lettuce.LettuceConnectionFactory; import org.springframework.data.redis.core.RedisTemplate; import org.springframework.data.redis.serializer.GenericJackson2JsonRedisSerializer; import org.springframework.data.redis.serializer.StringRedisSerializer; @Configuration @AutoConfigureAfter(RedisAutoConfiguration.class) public class RedisCacheAutoConfiguration { @Bean public RedisTemplate<String, Serializable> redisCacheTemplate(LettuceConnectionFactory redisConnectionFactory) { RedisTemplate<String, Serializable> template = new RedisTemplate<>(); //鍵的序列化方式 template.setKeySerializer(new StringRedisSerializer()); //值的序列化方式 template.setValueSerializer(new GenericJackson2JsonRedisSerializer()); template.setConnectionFactory(redisConnectionFactory); return template; } }
4、新建配置文件application.yml
server: port: 9005 spring: application: name: sc-redis redis: host: 127.0.0.1 password: port: 6379 timeout: 10000 # 連接超時(shí)時(shí)間(毫秒) database: 0 # Redis默認(rèn)情況下有16個(gè)分片,這里配置具體使用的分片,默認(rèn)是0 lettuce: pool: max-active: 8 # 連接池最大連接數(shù)(使用負(fù)值表示沒(méi)有限制) 默認(rèn) 8 max-wait: -1 # 連接池最大阻塞等待時(shí)間(使用負(fù)值表示沒(méi)有限制) 默認(rèn) -1 max-idle: 8 # 連接池中的最大空閑連接 默認(rèn) 8 min-idle: 0 # 連接池中的最小空閑連接 默認(rèn) 0
5、新建測(cè)試類TestRedis.java
package sc.test.unit; import java.io.Serializable; import java.util.concurrent.ExecutorService; import java.util.concurrent.Executors; import java.util.stream.IntStream; import org.junit.Test; import org.junit.runner.RunWith; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.boot.test.context.SpringBootTest; import org.springframework.data.redis.core.RedisTemplate; import org.springframework.data.redis.core.StringRedisTemplate; import org.springframework.test.context.junit4.SpringRunner; import sc.test.model.User; @RunWith(SpringRunner.class) @SpringBootTest public class TestRedis { private static final Logger log = LoggerFactory.getLogger(TestRedis.class); @Autowired private StringRedisTemplate stringRedisTemplate; @Autowired private RedisTemplate<String, Serializable> redisCacheTemplate; @Test public void get() { // 測(cè)試線程安全 // ExecutorService executorService = Executors.newFixedThreadPool(1000); // IntStream.range(0, 1000).forEach(i -> // executorService.execute(() -> stringRedisTemplate.opsForValue().increment("kk", 1)) // ); stringRedisTemplate.opsForValue().set("key", "{'name':'huangjinjin', 'age':30}"); final String value = stringRedisTemplate.opsForValue().get("key"); log.info("[字符緩存結(jié)果] - [{}]", value); String key = "manage:user:1"; User u = new User(); u.setId(1L); u.setAge(30); u.setPosition("cto"); u.setUserName("good boy"); redisCacheTemplate.opsForValue().set(key, u); //從緩存獲取User對(duì)象 final User user = (User) redisCacheTemplate.opsForValue().get(key); log.info("[對(duì)象緩存結(jié)果] - userName={}, age={}, position={}", // user.getUserName(), user.getAge(), user.getPosition()); } }
6、進(jìn)行測(cè)試
(1)reids server沒(méi)有啟動(dòng)時(shí),運(yùn)行TestRedis.java(右鍵選擇Junit Test)
連接不上Reids server異常
(2)reids server啟動(dòng)后時(shí),運(yùn)行TestRedis.java,出現(xiàn)綠條說(shuō)明執(zhí)行代碼成功
日志中打印相關(guān)數(shù)據(jù),說(shuō)明數(shù)據(jù)也存貯到redis server中
7、使用redis-cli驗(yàn)證數(shù)據(jù)是否正在存檔redis server中
有了spring-boot-starter-test,就可以不使用restful接口對(duì)spring boot寫的接口進(jìn)行單元測(cè)試了。不但可以測(cè)試redis,也可以測(cè)試數(shù)據(jù)庫(kù)的增刪查改??梢允褂胹pring中的各種注解,注入對(duì)象。
以上就是本文的全部?jī)?nèi)容,希望對(duì)大家的學(xué)習(xí)有所幫助,也希望大家多多支持億速云。
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