/*
* Copyright 2010-2013 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;
import java.util.UUID;
import org.junit.Test;
import org.springframework.cache.support.NoOpCacheManager;
import static org.junit.Assert.*;
/**
* Tests for {@link NoOpCacheManager}.
*
* @author Costin Leau
* @author Stephane Nicoll
*/
public class NoOpCacheManagerTests {
private final CacheManager manager = new NoOpCacheManager();
@Test
public void testGetCache() throws Exception {
Cache cache = this.manager.getCache("bucket");
assertNotNull(cache);
assertSame(cache, this.manager.getCache("bucket"));
}
@Test
public void testNoOpCache() throws Exception {
String name = createRandomKey();
Cache cache = this.manager.getCache(name);
assertEquals(name, cache.getName());
Object key = new Object();
cache.put(key, new Object());
assertNull(cache.get(key));
assertNull(cache.get(key, Object.class));
assertNull(cache.getNativeCache());
}
@Test
public void testCacheName() throws Exception {
String name = "bucket";
assertFalse(this.manager.getCacheNames().contains(name));
this.manager.getCache(name);
assertTrue(this.manager.getCacheNames().contains(name));
}
@Test
public void testCacheCallable() throws Exception {
String name = createRandomKey();
Cache cache = this.manager.getCache(name);
Object returnValue = new Object();
Object value = cache.get(new Object(), () -> returnValue);
assertEquals(returnValue, value);
}
@Test
public void testCacheGetCallableFail() {
Cache cache = this.manager.getCache(createRandomKey());
String key = createRandomKey();
try {
cache.get(key, () -> {
throw new UnsupportedOperationException("Expected exception");
});
}
catch (Cache.ValueRetrievalException ex) {
assertNotNull(ex.getCause());
assertEquals(UnsupportedOperationException.class, ex.getCause().getClass());
}
}
private String createRandomKey() {
return UUID.randomUUID().toString();
}
}