RedisCacheTest.java

@Slf4j
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(classes = {RedisCacheConfiguration.class})
public class RedisCacheTest {

    @Autowired
    RedisCacheManager redisCacheManager;

    @Autowired
    UserRepository userRepository;

    @Test
    public void clearTest() {
        Assert.assertNotNull(redisCacheManager);
        Cache cache = redisCacheManager.getCache("user");
        Assert.assertNotNull(cache);
        cache.clear();
        Assert.assertNotNull(cache);
    }

    @Test
    public void getUserFromCache() {

        Stopwatch sw = new Stopwatch("initial User");
        sw.start();
        User user1 = userRepository.getUser("debop", 100);
        sw.stop();

        sw = new Stopwatch("from Cache");
        sw.start();
        User user2 = userRepository.getUser("debop", 100);
        sw.stop();

        Assert.assertEquals(user1.getUsername(), user2.getUsername());
    }

    @Test
    public void componentConfigurationTest() {
        Assert.assertNotNull(redisCacheManager);
        Cache cache = redisCacheManager.getCache("user");
        Assert.assertNotNull(cache);

        cache.evict("debop");

        Assert.assertNotNull(userRepository);
    }
}