/*
* Copyright 2005 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.wamblee.cache;
-import java.io.IOException;
-
import junit.framework.TestCase;
+
import net.sf.ehcache.CacheException;
import org.wamblee.io.TestResource;
+
import org.wamblee.test.TimingUtils;
+import java.io.IOException;
+
+
/**
- * Cached object test.
+ * Cached object test.
*
* @author Erik Brakkee
*/
public class CachedObjectTest extends TestCase {
-
/**
- *
+ *
*/
private static final String EHCACHE_CONFIG = "ehcache.xml";
+ private static final int OBJECT_KEY = 10;
+ private CachedObject.Computation<Integer, Integer> computation;
+ private int ncomputations;
- private static final int OBJECT_KEY = 10;
-
- private CachedObject.Computation<Integer,Integer> computation;
- private int ncomputations;
-
/* (non-Javadoc)
* @see junit.framework.TestCase#setUp()
*/
@Override
protected void setUp() throws Exception {
super.setUp();
- computation = new CachedObject.Computation<Integer,Integer>() {
- public Integer getObject(Integer aObjectKey) {
- ncomputations++;
- return compute(aObjectKey);
- };
- };
- ncomputations = 0;
+ computation = new CachedObject.Computation<Integer, Integer>() {
+ public Integer getObject(Integer aObjectKey) {
+ ncomputations++;
+
+ return compute(aObjectKey);
+ }
+ ;
+ };
+ ncomputations = 0;
}
-
- private int compute(int aValue) {
+
+ private int compute(int aValue) {
return aValue + 10;
}
-
- private CachedObject<Integer, Integer> createCached(Cache<Integer,Integer> aCache) {
- return new CachedObject<Integer, Integer>(aCache, OBJECT_KEY, computation);
+
+ private CachedObject<Integer, Integer> createCached(
+ Cache<Integer, Integer> aCache) {
+ return new CachedObject<Integer, Integer>(aCache, OBJECT_KEY,
+ computation);
}
/**
- * Verifies that upon first use, the cached object uses the computation to
- * retrieve the object.
+ * Verifies that upon first use, the cached object uses the computation to
+ * retrieve the object.
*
*/
- public void testComputation() {
- CachedObject<Integer, Integer> cached = createCached(new ZeroCache<Integer,Integer>());
+ public void testComputation() {
+ CachedObject<Integer, Integer> cached = createCached(new ZeroCache<Integer, Integer>());
int value = cached.get();
assertEquals(compute(OBJECT_KEY), value);
- assertEquals(1, ncomputations);
+ assertEquals(1, ncomputations);
}
-
- public void testInvalidateCache() {
- CachedObject<Integer, Integer> cached = createCached(new ForeverCache<Integer,Integer>());
+
+ public void testInvalidateCache() {
+ CachedObject<Integer, Integer> cached = createCached(new ForeverCache<Integer, Integer>());
int value = cached.get();
assertEquals(compute(OBJECT_KEY), value);
assertEquals(1, ncomputations);
- cached.invalidate();
+ cached.invalidate();
value = cached.get();
assertEquals(compute(OBJECT_KEY), value);
assertEquals(2, ncomputations);
}
-
+
public void testBehaviorEhCache() throws CacheException, IOException {
- Cache<Integer,Integer> cache = new EhCache<Integer,Integer>(new TestResource(CachedObjectTest.class, EHCACHE_CONFIG), "test");
+ Cache<Integer, Integer> cache = new EhCache<Integer, Integer>(new TestResource(
+ CachedObjectTest.class, EHCACHE_CONFIG), "test");
CachedObject<Integer, Integer> cached = createCached(cache);
-
- assertTrue( cache == cached.getCache());
+
+ assertTrue(cache == cached.getCache());
+
int value = cached.get();
assertEquals(compute(OBJECT_KEY), value);
assertEquals(1, ncomputations);
// The value must still be cached.
- value = cached.get();
+ value = cached.get();
assertEquals(compute(OBJECT_KEY), value);
assertEquals(1, ncomputations);
-
+
// Cache expiry.
- TimingUtils.sleep(6000);
- value = cached.get();
+ TimingUtils.sleep(6000);
+ value = cached.get();
assertEquals(compute(OBJECT_KEY), value);
assertEquals(2, ncomputations);
-
+
// Should still be cached now.
- value = cached.get();
+ value = cached.get();
assertEquals(compute(OBJECT_KEY), value);
assertEquals(2, ncomputations);
-
+
// explicit invalidation.
- cached.invalidate();
- value = cached.get();
+ cached.invalidate();
+ value = cached.get();
assertEquals(compute(OBJECT_KEY), value);
assertEquals(3, ncomputations);
-
}
-
+
public void testBehaviorEhCacheDefault() throws CacheException, IOException {
- Cache<Integer,Integer> cache = new EhCache<Integer,Integer>(new TestResource(CachedObjectTest.class, EHCACHE_CONFIG), "undefined");
+ Cache<Integer, Integer> cache = new EhCache<Integer, Integer>(new TestResource(
+ CachedObjectTest.class, EHCACHE_CONFIG), "undefined");
CachedObject<Integer, Integer> cached = createCached(cache);
-
- assertTrue( cache == cached.getCache());
+
+ assertTrue(cache == cached.getCache());
+
int value = cached.get();
assertEquals(compute(OBJECT_KEY), value);
assertEquals(1, ncomputations);
// The value must still be cached.
- value = cached.get();
+ value = cached.get();
assertEquals(compute(OBJECT_KEY), value);
assertEquals(1, ncomputations);
-
+
// Cache expiry.
- TimingUtils.sleep(6000);
- value = cached.get();
+ TimingUtils.sleep(6000);
+ value = cached.get();
assertEquals(compute(OBJECT_KEY), value);
assertEquals(2, ncomputations);
-
+
// Should still be cached now.
- value = cached.get();
+ value = cached.get();
assertEquals(compute(OBJECT_KEY), value);
assertEquals(2, ncomputations);
-
}
-
-
- public void testBehaviorForeverCache() {
- CachedObject<Integer, Integer> cached = createCached(new ForeverCache<Integer,Integer>());
+
+ public void testBehaviorForeverCache() {
+ CachedObject<Integer, Integer> cached = createCached(new ForeverCache<Integer, Integer>());
int value = cached.get();
assertEquals(compute(OBJECT_KEY), value);
- assertEquals(1, ncomputations);
- for (int ncomp = 2; ncomp <= 100; ncomp++) {
- value = cached.get();
+ assertEquals(1, ncomputations);
+
+ for (int ncomp = 2; ncomp <= 100; ncomp++) {
+ value = cached.get();
assertEquals(compute(OBJECT_KEY), value);
assertEquals(1, ncomputations);
}
}
-
- public void testBehaviorZeroCache() {
- CachedObject<Integer, Integer> cached = createCached(new ZeroCache<Integer,Integer>());
+
+ public void testBehaviorZeroCache() {
+ CachedObject<Integer, Integer> cached = createCached(new ZeroCache<Integer, Integer>());
int value = cached.get();
assertEquals(compute(OBJECT_KEY), value);
- assertEquals(1, ncomputations);
- for (int ncomp = 2; ncomp <= 100; ncomp++) {
- value = cached.get();
+ assertEquals(1, ncomputations);
+
+ for (int ncomp = 2; ncomp <= 100; ncomp++) {
+ value = cached.get();
assertEquals(compute(OBJECT_KEY), value);
assertEquals(ncomp, ncomputations);
}
- cached.invalidate();
- value = cached.get();
+
+ cached.invalidate();
+ value = cached.get();
assertEquals(compute(OBJECT_KEY), value);
assertEquals(101, ncomputations);
}
git://wamblee.org / utils / blobdiff