/*
* Copyright 2002-2014 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.guava;
import com.google.common.cache.CacheBuilder;
import com.google.common.cache.CacheLoader;
import org.junit.Test;
import org.springframework.cache.Cache;
import org.springframework.cache.CacheManager;
import static org.junit.Assert.*;
import static org.mockito.Mockito.*;
/**
* @author Juergen Hoeller
* @author Stephane Nicoll
*/
public class GuavaCacheManagerTests {
@Test
public void testDynamicMode() {
CacheManager cm = new GuavaCacheManager();
Cache cache1 = cm.getCache("c1");
assertTrue(cache1 instanceof GuavaCache);
Cache cache1again = cm.getCache("c1");
assertSame(cache1again, cache1);
Cache cache2 = cm.getCache("c2");
assertTrue(cache2 instanceof GuavaCache);
Cache cache2again = cm.getCache("c2");
assertSame(cache2again, cache2);
Cache cache3 = cm.getCache("c3");
assertTrue(cache3 instanceof GuavaCache);
Cache cache3again = cm.getCache("c3");
assertSame(cache3again, cache3);
cache1.put("key1", "value1");
assertEquals("value1", cache1.get("key1").get());
cache1.put("key2", 2);
assertEquals(2, cache1.get("key2").get());
cache1.put("key3", null);
assertNull(cache1.get("key3").get());
cache1.evict("key3");
assertNull(cache1.get("key3"));
}
@Test
public void testStaticMode() {
GuavaCacheManager cm = new GuavaCacheManager("c1", "c2");
Cache cache1 = cm.getCache("c1");
assertTrue(cache1 instanceof GuavaCache);
Cache cache1again = cm.getCache("c1");
assertSame(cache1again, cache1);
Cache cache2 = cm.getCache("c2");
assertTrue(cache2 instanceof GuavaCache);
Cache cache2again = cm.getCache("c2");
assertSame(cache2again, cache2);
Cache cache3 = cm.getCache("c3");
assertNull(cache3);
cache1.put("key1", "value1");
assertEquals("value1", cache1.get("key1").get());
cache1.put("key2", 2);
assertEquals(2, cache1.get("key2").get());
cache1.put("key3", null);
assertNull(cache1.get("key3").get());
cache1.evict("key3");
assertNull(cache1.get("key3"));
cm.setAllowNullValues(false);
Cache cache1x = cm.getCache("c1");
assertTrue(cache1x instanceof GuavaCache);
assertTrue(cache1x != cache1);
Cache cache2x = cm.getCache("c2");
assertTrue(cache2x instanceof GuavaCache);
assertTrue(cache2x != cache2);
Cache cache3x = cm.getCache("c3");
assertNull(cache3x);
cache1x.put("key1", "value1");
assertEquals("value1", cache1x.get("key1").get());
cache1x.put("key2", 2);
assertEquals(2, cache1x.get("key2").get());
try {
cache1x.put("key3", null);
fail("Should have thrown NullPointerException");
}
catch (NullPointerException ex) {
// expected
}
cm.setAllowNullValues(true);
Cache cache1y = cm.getCache("c1");
cache1y.put("key3", null);
assertNull(cache1y.get("key3").get());
cache1y.evict("key3");
assertNull(cache1y.get("key3"));
}
@Test
public void changeCacheSpecificationRecreateCache() {
GuavaCacheManager cm = new GuavaCacheManager("c1");
Cache cache1 = cm.getCache("c1");
CacheBuilder<Object, Object> cacheBuilder = CacheBuilder.newBuilder().maximumSize(10);
cm.setCacheBuilder(cacheBuilder);
Cache cache1x = cm.getCache("c1");
assertTrue(cache1x != cache1);
cm.setCacheBuilder(cacheBuilder); // Set same instance
Cache cache1xx = cm.getCache("c1");
assertSame(cache1x, cache1xx);
}
@Test
public void changeCacheLoaderRecreateCache() {
GuavaCacheManager cm = new GuavaCacheManager("c1");
Cache cache1 = cm.getCache("c1");
CacheLoader<Object,Object> loader = mockCacheLoader();
cm.setCacheLoader(loader);
Cache cache1x = cm.getCache("c1");
assertTrue(cache1x != cache1);
cm.setCacheLoader(loader); // Set same instance
Cache cache1xx = cm.getCache("c1");
assertSame(cache1x, cache1xx);
}
@Test
public void setCacheNameNullRestoreDynamicMode() {
GuavaCacheManager cm = new GuavaCacheManager("c1");
assertNull(cm.getCache("someCache"));
cm.setCacheNames(null);
assertNotNull(cm.getCache("someCache"));
}
@SuppressWarnings("unchecked")
private CacheLoader<Object, Object> mockCacheLoader() {
return mock(CacheLoader.class);
}
}