/*
* 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.transaction;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.ExpectedException;
import org.springframework.cache.Cache;
import org.springframework.cache.concurrent.ConcurrentMapCache;
import org.springframework.tests.transaction.CallCountingTransactionManager;
import org.springframework.transaction.PlatformTransactionManager;
import org.springframework.transaction.TransactionDefinition;
import org.springframework.transaction.TransactionStatus;
import org.springframework.transaction.interceptor.DefaultTransactionAttribute;
import static org.junit.Assert.*;
/**
* @author Stephane Nicoll
*/
public class TransactionAwareCacheDecoratorTests {
@Rule
public final ExpectedException thrown = ExpectedException.none();
private final PlatformTransactionManager txManager = new CallCountingTransactionManager();
@Test
public void createWithNullTarget() {
thrown.expect(IllegalArgumentException.class);
new TransactionAwareCacheDecorator(null);
}
@Test
public void regularOperationsOnTarget() {
Cache target = new ConcurrentMapCache("testCache");
Cache cache = new TransactionAwareCacheDecorator(target);
assertEquals(target.getName(), cache.getName());
assertEquals(target.getNativeCache(), cache.getNativeCache());
Object key = new Object();
target.put(key, "123");
assertEquals("123", cache.get(key).get());
assertEquals("123", cache.get(key, String.class));
cache.clear();
assertNull(target.get(key));
}
@Test
public void putNonTransactional() {
Cache target = new ConcurrentMapCache("testCache");
Cache cache = new TransactionAwareCacheDecorator(target);
Object key = new Object();
cache.put(key, "123");
assertEquals("123", target.get(key, String.class));
}
@Test
public void putTransactional() {
Cache target = new ConcurrentMapCache("testCache");
Cache cache = new TransactionAwareCacheDecorator(target);
TransactionStatus status = txManager.getTransaction(new DefaultTransactionAttribute(
TransactionDefinition.PROPAGATION_REQUIRED));
Object key = new Object();
cache.put(key, "123");
assertNull(target.get(key));
txManager.commit(status);
assertEquals("123", target.get(key, String.class));
}
@Test
public void putIfAbsent() { // no transactional support for putIfAbsent
Cache target = new ConcurrentMapCache("testCache");
Cache cache = new TransactionAwareCacheDecorator(target);
Object key = new Object();
assertNull(cache.putIfAbsent(key, "123"));
assertEquals("123", target.get(key, String.class));
assertEquals("123", cache.putIfAbsent(key, "456").get());
assertEquals("123", target.get(key, String.class)); // unchanged
}
@Test
public void evictNonTransactional() {
Cache target = new ConcurrentMapCache("testCache");
Cache cache = new TransactionAwareCacheDecorator(target);
Object key = new Object();
cache.put(key, "123");
cache.evict(key);
assertNull(target.get(key));
}
@Test
public void evictTransactional() {
Cache target = new ConcurrentMapCache("testCache");
Cache cache = new TransactionAwareCacheDecorator(target);
Object key = new Object();
cache.put(key, "123");
TransactionStatus status = txManager.getTransaction(new DefaultTransactionAttribute(
TransactionDefinition.PROPAGATION_REQUIRED));
cache.evict(key);
assertEquals("123", target.get(key, String.class));
txManager.commit(status);
assertNull(target.get(key));
}
}