/*
* Copyright 2015 Ben Manes. All Rights Reserved.
*
* 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 com.github.benmanes.caffeine.jcache.event;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.is;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.Mockito.never;
import static org.mockito.Mockito.verify;
import java.util.Arrays;
import java.util.Iterator;
import javax.cache.Cache;
import javax.cache.configuration.MutableCacheEntryListenerConfiguration;
import javax.cache.event.CacheEntryExpiredListener;
import javax.cache.event.CacheEntryRemovedListener;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;
import org.testng.annotations.BeforeMethod;
import org.testng.annotations.DataProvider;
import org.testng.annotations.Test;
import com.github.benmanes.caffeine.cache.RemovalCause;
import com.github.benmanes.caffeine.jcache.Expirable;
import com.github.benmanes.caffeine.jcache.management.JCacheStatisticsMXBean;
import com.google.common.util.concurrent.MoreExecutors;
/**
* @author ben.manes@gmail.com (Ben Manes)
*/
public final class JCacheEvictionListenerTest {
JCacheEvictionListener<Integer, Integer> listener;
JCacheStatisticsMXBean statistics;
@Mock Cache<Integer, Integer> cache;
@Mock EvictionListener entryListener;
@BeforeMethod
public void before() {
MockitoAnnotations.initMocks(this);
statistics = new JCacheStatisticsMXBean();
EventDispatcher<Integer, Integer> dispatcher =
new EventDispatcher<>(MoreExecutors.directExecutor());
listener = new JCacheEvictionListener<>(dispatcher, statistics);
listener.setCache(cache);
statistics.enable(true);
dispatcher.register(new MutableCacheEntryListenerConfiguration<Integer, Integer>(
() -> entryListener, null, false, false));
}
@DataProvider
public Iterator<Object[]> notifications() {
return Arrays.stream(RemovalCause.values())
.map(cause -> new Object[] { 1, new Expirable<>(2, 3), cause })
.iterator();
}
@Test(dataProvider = "notifications")
public void publishIfEvicted(Integer key, Expirable<Integer> value, RemovalCause cause) {
listener.delete(key, value, cause);
if (cause.wasEvicted()) {
if (cause == RemovalCause.EXPIRED) {
verify(entryListener).onExpired(any());
} else {
verify(entryListener).onRemoved(any());
}
assertThat(statistics.getCacheEvictions(), is(1L));
} else {
verify(entryListener, never()).onRemoved(any());
assertThat(statistics.getCacheEvictions(), is(0L));
}
}
interface EvictionListener extends CacheEntryRemovedListener<Integer, Integer>,
CacheEntryExpiredListener<Integer, Integer> {}
}