/*
* Copyright 2002-2016 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.cache.interceptor;
import java.util.Collections;
import java.util.concurrent.atomic.AtomicLong;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.ExpectedException;
import org.springframework.cache.Cache;
import org.springframework.cache.CacheManager;
import org.springframework.cache.annotation.CacheConfig;
import org.springframework.cache.annotation.CacheEvict;
import org.springframework.cache.annotation.CachePut;
import org.springframework.cache.annotation.Cacheable;
import org.springframework.cache.annotation.CachingConfigurerSupport;
import org.springframework.cache.annotation.EnableCaching;
import org.springframework.cache.support.SimpleCacheManager;
import org.springframework.cache.support.SimpleValueWrapper;
import org.springframework.context.annotation.AnnotationConfigApplicationContext;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import static org.hamcrest.CoreMatchers.*;
import static org.junit.Assert.*;
import static org.mockito.BDDMockito.*;
/**
* @author Stephane Nicoll
*/
public class CacheErrorHandlerTests {
@Rule
public final ExpectedException thrown = ExpectedException.none();
private Cache cache;
private CacheInterceptor cacheInterceptor;
private CacheErrorHandler errorHandler;
private SimpleService simpleService;
@Before
public void setup() {
AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext(Config.class);
this.cache = context.getBean("mockCache", Cache.class);
this.cacheInterceptor = context.getBean(CacheInterceptor.class);
this.errorHandler = context.getBean(CacheErrorHandler.class);
this.simpleService = context.getBean(SimpleService.class);
}
@Test
public void getFail() {
UnsupportedOperationException exception = new UnsupportedOperationException("Test exception on get");
willThrow(exception).given(this.cache).get(0L);
Object result = this.simpleService.get(0L);
verify(this.errorHandler).handleCacheGetError(exception, cache, 0L);
verify(this.cache).get(0L);
verify(this.cache).put(0L, result); // result of the invocation
}
@Test
public void getAndPutFail() {
UnsupportedOperationException exception = new UnsupportedOperationException("Test exception on get");
willThrow(exception).given(this.cache).get(0L);
willThrow(exception).given(this.cache).put(0L, 0L); // Update of the cache will fail as well
Object counter = this.simpleService.get(0L);
willReturn(new SimpleValueWrapper(2L)).given(this.cache).get(0L);
Object counter2 = this.simpleService.get(0L);
Object counter3 = this.simpleService.get(0L);
assertNotSame(counter, counter2);
assertEquals(counter2, counter3);
}
@Test
public void getFailProperException() {
UnsupportedOperationException exception = new UnsupportedOperationException("Test exception on get");
willThrow(exception).given(this.cache).get(0L);
this.cacheInterceptor.setErrorHandler(new SimpleCacheErrorHandler());
this.thrown.expect(is(exception));
this.simpleService.get(0L);
}
@Test
public void putFail() {
UnsupportedOperationException exception = new UnsupportedOperationException("Test exception on put");
willThrow(exception).given(this.cache).put(0L, 0L);
this.simpleService.put(0L);
verify(this.errorHandler).handleCachePutError(exception, cache, 0L, 0L);
}
@Test
public void putFailProperException() {
UnsupportedOperationException exception = new UnsupportedOperationException("Test exception on put");
willThrow(exception).given(this.cache).put(0L, 0L);
this.cacheInterceptor.setErrorHandler(new SimpleCacheErrorHandler());
this.thrown.expect(is(exception));
this.simpleService.put(0L);
}
@Test
public void evictFail() {
UnsupportedOperationException exception = new UnsupportedOperationException("Test exception on evict");
willThrow(exception).given(this.cache).evict(0L);
this.simpleService.evict(0L);
verify(this.errorHandler).handleCacheEvictError(exception, cache, 0L);
}
@Test
public void evictFailProperException() {
UnsupportedOperationException exception = new UnsupportedOperationException("Test exception on evict");
willThrow(exception).given(this.cache).evict(0L);
this.cacheInterceptor.setErrorHandler(new SimpleCacheErrorHandler());
this.thrown.expect(is(exception));
this.simpleService.evict(0L);
}
@Test
public void clearFail() {
UnsupportedOperationException exception = new UnsupportedOperationException("Test exception on evict");
willThrow(exception).given(this.cache).clear();
this.simpleService.clear();
verify(this.errorHandler).handleCacheClearError(exception, cache);
}
@Test
public void clearFailProperException() {
UnsupportedOperationException exception = new UnsupportedOperationException("Test exception on evict");
willThrow(exception).given(this.cache).clear();
this.cacheInterceptor.setErrorHandler(new SimpleCacheErrorHandler());
this.thrown.expect(is(exception));
this.simpleService.clear();
}
@Configuration
@EnableCaching
static class Config extends CachingConfigurerSupport {
@Bean
@Override
public CacheErrorHandler errorHandler() {
return mock(CacheErrorHandler.class);
}
@Bean
public SimpleService simpleService() {
return new SimpleService();
}
@Bean
public CacheManager cacheManager() {
SimpleCacheManager cacheManager = new SimpleCacheManager();
cacheManager.setCaches(Collections.singletonList(mockCache()));
return cacheManager;
}
@Bean
public Cache mockCache() {
Cache cache = mock(Cache.class);
given(cache.getName()).willReturn("test");
return cache;
}
}
@CacheConfig(cacheNames = "test")
public static class SimpleService {
private AtomicLong counter = new AtomicLong();
@Cacheable
public Object get(long id) {
return this.counter.getAndIncrement();
}
@CachePut
public Object put(long id) {
return this.counter.getAndIncrement();
}
@CacheEvict
public void evict(long id) {
}
@CacheEvict(allEntries = true)
public void clear() {
}
}
}