Spring Boot单元测试中使用mockito框架mock掉整个RedisTemplate的示例

概述

当我们使用单元测试来验证应用程序代码时，如果代码中需要访问Redis，那么为了保证单元测试不依赖Redis，需要将整个Redis mock掉。在Spring Boot中结合mockito很容易做到这一点，如下代码：

import org.mockito.Mockito;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.connection.RedisConnection;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.core.*;
import org.springframework.test.context.ActiveProfiles;
import static org.mockito.Mockito.when;
/**
 * mock掉整个RedisTemplate
 */
@ActiveProfiles("uttest")
@Configuration
public class RedisTemplateMocker {
  @Bean
  public RedisTemplate redisTemplate() {
    RedisTemplate redisTemplate = Mockito.mock(RedisTemplate.class);
    ValueOperations valueOperations = Mockito.mock(ValueOperations.class);
    SetOperations setOperations = Mockito.mock(SetOperations.class);
    HashOperations hashOperations = redisTemplate.opsForHash();
    ListOperations listOperations = redisTemplate.opsForList();
    ZSetOperations zSetOperations = redisTemplate.opsForZSet();
    when(redisTemplate.opsForSet()).thenReturn(setOperations);
    when(redisTemplate.opsForValue()).thenReturn(valueOperations);
    when(redisTemplate.opsForHash()).thenReturn(hashOperations);
    when(redisTemplate.opsForList()).thenReturn(listOperations);
    when(redisTemplate.opsForZSet()).thenReturn(zSetOperations);
    RedisOperations redisOperations = Mockito.mock(RedisOperations.class);
    RedisConnection redisConnection = Mockito.mock(RedisConnection.class);
    RedisConnectionFactory redisConnectionFactory = Mockito.mock(RedisConnectionFactory.class);
    when(redisTemplate.getConnectionFactory()).thenReturn(redisConnectionFactory);
    when(valueOperations.getOperations()).thenReturn(redisOperations);
    when(redisTemplate.getConnectionFactory().getConnection()).thenReturn(redisConnection);
    return redisTemplate;
  }
}

上面的代码已经mock掉大部分的Redis操作了，网友想mock掉其他操作，自行加上即可。

总结

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