/*
* Copyright 2005 Ralf Joachim
*
* 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.castor.cache.hashbelt;
import java.util.Collection;
import java.util.HashMap;
import java.util.Map;
import java.util.Properties;
import java.util.Set;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;
import org.castor.cache.Cache;
import org.castor.cache.CacheAcquireException;
import org.castor.cache.hashbelt.container.MapContainer;
import org.castor.cache.hashbelt.reaper.NullReaper;
/**
* @author <a href="mailto:ralf DOT joachim AT syscon DOT eu">Ralf Joachim</a>
* @version $Revision: 6907 $ $Date: 2006-04-29 04:11:14 -0600 (Sat, 29 Apr 2006) $
* @since 1.0
*/
public final class TestLRUHashbelt extends TestCase {
public static Test suite() {
TestSuite suite = new TestSuite("LRUHashbelt Tests");
suite.addTest(new TestLRUHashbelt("testBasics"));
suite.addTest(new TestLRUHashbelt("testContainsKey"));
suite.addTest(new TestLRUHashbelt("testContainsValue"));
suite.addTest(new TestLRUHashbelt("testClear"));
suite.addTest(new TestLRUHashbelt("testSize"));
suite.addTest(new TestLRUHashbelt("testIsEmpty"));
suite.addTest(new TestLRUHashbelt("testGet"));
suite.addTest(new TestLRUHashbelt("testPut"));
suite.addTest(new TestLRUHashbelt("testRemove"));
suite.addTest(new TestLRUHashbelt("testPutAll"));
suite.addTest(new TestLRUHashbelt("testKeySet"));
suite.addTest(new TestLRUHashbelt("testValues"));
suite.addTest(new TestLRUHashbelt("testEntrySet"));
return suite;
}
public TestLRUHashbelt(final String name) { super(name); }
public void testBasics() {
assertEquals("lru", LRUHashbelt.TYPE);
assertEquals("containers", AbstractHashbelt.PARAM_CONTAINERS);
assertEquals(10, AbstractHashbelt.DEFAULT_CONTAINERS);
assertEquals("container-class", AbstractHashbelt.PARAM_CONTAINER_CLASS);
assertEquals(MapContainer.class, AbstractHashbelt.DEFAULT_CONTAINER_CLASS);
assertEquals("reaper-class", AbstractHashbelt.PARAM_REAPER_CLASS);
assertEquals(NullReaper.class, AbstractHashbelt.DEFAULT_REAPER_CLASS);
assertEquals("capacity", AbstractHashbelt.PARAM_CAPACITY);
assertEquals(0, AbstractHashbelt.DEFAULT_CAPACITY);
assertEquals("ttl", AbstractHashbelt.PARAM_TTL);
assertEquals(60, AbstractHashbelt.DEFAULT_TTL);
assertEquals("monitor", AbstractHashbelt.PARAM_MONITOR);
assertEquals(0, AbstractHashbelt.DEFAULT_MONITOR);
Cache cache = new LRUHashbelt();
assertTrue(cache instanceof LRUHashbelt);
assertEquals("lru", cache.getType());
Properties params = new Properties();
params.put(Cache.PARAM_NAME, "dummy1");
try {
cache.initialize(params);
} catch (CacheAcquireException ex) {
fail("Failed to initialize LRUHashbelt instance");
}
assertFalse(cache.containsKey("first key"));
assertFalse(cache.containsKey("second key"));
assertNull(cache.put("first key", "first value"));
assertTrue(cache.containsKey("first key"));
assertFalse(cache.containsKey("second key"));
assertNull(cache.put("second key", "second value"));
assertTrue(cache.containsKey("first key"));
assertTrue(cache.containsKey("second key"));
}
private Cache initialize() throws CacheAcquireException {
Cache cache = new LRUHashbelt();
Properties params = new Properties();
params.put(Cache.PARAM_NAME, "dummy1");
cache.initialize(params);
assertNull(cache.put("first key", "first value"));
assertNull(cache.put("second key", "second value"));
assertNull(cache.put("third key", "third value"));
return cache;
}
public void testContainsKey() throws CacheAcquireException {
Cache cache = initialize();
assertTrue(cache.containsKey("first key"));
assertTrue(cache.containsKey("second key"));
assertTrue(cache.containsKey("third key"));
assertFalse(cache.containsKey("fourth key"));
assertFalse(cache.containsKey("fifth key"));
}
public void testContainsValue() throws CacheAcquireException {
Cache cache = initialize();
assertTrue(cache.containsValue("first value"));
assertTrue(cache.containsValue("second value"));
assertTrue(cache.containsValue("third value"));
assertFalse(cache.containsValue("fourth value"));
assertFalse(cache.containsValue("fifth value"));
}
public void testClear() throws CacheAcquireException {
Cache cache = initialize();
cache.clear();
assertFalse(cache.containsKey("first key"));
assertFalse(cache.containsKey("second key"));
assertFalse(cache.containsKey("third key"));
assertFalse(cache.containsKey("fourth key"));
assertFalse(cache.containsKey("fifth key"));
}
public void testSize() throws CacheAcquireException {
Cache cache = initialize();
assertEquals(3, cache.size());
cache.clear();
assertEquals(0, cache.size());
}
public void testIsEmpty() throws CacheAcquireException {
Cache cache = initialize();
assertFalse(cache.isEmpty());
cache.clear();
assertTrue(cache.isEmpty());
}
public void testGet() throws CacheAcquireException {
Cache cache = initialize();
assertEquals("first value", cache.get("first key"));
assertEquals("second value", cache.get("second key"));
assertEquals("third value", cache.get("third key"));
assertNull(cache.get("fourth key"));
assertNull(cache.get("fifth key"));
}
public void testPut() throws CacheAcquireException {
Cache cache = initialize();
assertEquals("third value", cache.put("third key", "alternate third value"));
assertNull(cache.put("fourth key", "forth value"));
assertTrue(cache.containsKey("first key"));
assertTrue(cache.containsKey("second key"));
assertTrue(cache.containsKey("third key"));
assertTrue(cache.containsKey("fourth key"));
assertFalse(cache.containsKey("fifth key"));
}
public void testRemove() throws CacheAcquireException {
Cache cache = initialize();
assertEquals("third value", cache.remove("third key"));
assertTrue(cache.containsKey("first key"));
assertTrue(cache.containsKey("second key"));
assertFalse(cache.containsKey("third key"));
assertFalse(cache.containsKey("fourth key"));
assertFalse(cache.containsKey("fifth key"));
}
public void testPutAll() throws CacheAcquireException {
Cache cache = initialize();
HashMap map = new HashMap();
map.put("fourth key", "forth value");
map.put("fifth key", "fifth value");
cache.putAll(map);
assertTrue(cache.containsKey("first key"));
assertTrue(cache.containsKey("second key"));
assertTrue(cache.containsKey("third key"));
assertTrue(cache.containsKey("fourth key"));
assertTrue(cache.containsKey("fifth key"));
}
public void testKeySet() throws CacheAcquireException {
Cache cache = initialize();
Set set = cache.keySet();
assertEquals(3, set.size());
assertTrue(set.contains("first key"));
assertTrue(set.contains("second key"));
assertTrue(set.contains("third key"));
}
public void testValues() throws CacheAcquireException {
Cache cache = initialize();
Collection col = cache.values();
assertEquals(3, col.size());
assertTrue(col.contains("first value"));
assertTrue(col.contains("second value"));
assertTrue(col.contains("third value"));
}
public void testEntrySet() throws CacheAcquireException {
Cache cache = initialize();
Set set = cache.entrySet();
assertEquals(3, set.size());
Object[] objs = set.toArray();
HashMap map = new HashMap();
for (int i = 0; i < 3; i++) {
assertTrue(objs[i] instanceof Map.Entry);
Map.Entry entry = (Map.Entry) objs[i];
map.put(entry.getKey(), entry.getValue());
}
assertTrue(map.containsKey("first key"));
assertEquals("first value", map.get("first key"));
assertTrue(map.containsKey("second key"));
assertEquals("second value", map.get("second key"));
assertTrue(map.containsKey("third key"));
assertEquals("third value", map.get("third key"));
}
}