/**
* Copyright (C) 2012-2013 Selventa, Inc.
*
* This file is part of the OpenBEL Framework.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* The OpenBEL Framework is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with the OpenBEL Framework. If not, see <http://www.gnu.org/licenses/>.
*
* Additional Terms under LGPL v3:
*
* This license does not authorize you and you are prohibited from using the
* name, trademarks, service marks, logos or similar indicia of Selventa, Inc.,
* or, in the discretion of other licensors or authors of the program, the
* name, trademarks, service marks, logos or similar indicia of such authors or
* licensors, in any marketing or advertising materials relating to your
* distribution of the program or any covered product. This restriction does
* not waive or limit your obligation to keep intact all copyright notices set
* forth in the program as delivered to you.
*
* If you distribute the program in whole or in part, or any modified version
* of the program, and you assume contractual liability to the recipient with
* respect to the program or modified version, then you will indemnify the
* authors and licensors of the program for any liabilities that these
* contractual assumptions directly impose on those licensors and authors.
*/
package org.openbel.framework.api;
import static java.lang.System.currentTimeMillis;
import static java.lang.Thread.sleep;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import org.junit.Test;
import org.openbel.framework.api.internal.KamDbObject;
import org.openbel.framework.api.internal.KAMCatalogDao.KamFilter;
import org.openbel.framework.api.internal.KAMCatalogDao.KamInfo;
/**
* {@link DefaultKamCacheService} test cases.
*/
public class DefaultKamCacheServiceTest {
/**
* Test cache mechanisms.
*/
@Test
public void test() {
KamCacheService kcSvc = new DefaultKamCacheService(new MockKAMStore1());
KamDbObject kdbobj = new KamDbObject(1, null, null, null, null);
KamInfo ki = new KamInfo(kdbobj);
long t1 = currentTimeMillis();
try {
kcSvc.loadKam(ki, null);
} catch (KamCacheServiceException e) {
e.printStackTrace();
fail("unexpected exception");
}
long t2 = currentTimeMillis();
// CACHE MISS ASSERTION
String msg = "expected load of KAM to take more than 5 seconds";
assertTrue(msg, (t2 - t1) >= (MockKAMStore1.KAM_LOAD_TIME * 1000));
String handle = null;
try {
handle = kcSvc.loadKam(ki, null);
} catch (KamCacheServiceException e) {
e.printStackTrace();
fail("unexpected exception");
}
long t3 = currentTimeMillis();
// CACHE HIT ASSERTION
msg = "expected load of KAM to take less than 5 seconds";
assertTrue(msg, (t3 - t2) < (MockKAMStore1.KAM_LOAD_TIME * 1000));
kcSvc.releaseKam(handle);
long t4 = currentTimeMillis();
try {
kcSvc.loadKam(ki, null);
} catch (KamCacheServiceException e) {
e.printStackTrace();
fail("unexpected exception");
}
long t5 = currentTimeMillis();
// CACHE MISS ASSERTION
msg = "expected second load of KAM to take more than 5 seconds";
assertTrue(msg, (t5 - t4) >= (MockKAMStore1.KAM_LOAD_TIME * 1000));
}
static class MockKAMStore1 extends MockKamStore {
// Time to load "KAM" 5
static final int KAM_LOAD_TIME = 5;
@Override
public Kam getKam(KamInfo info, KamFilter fltr)
throws KAMStoreException {
try {
sleep(KAM_LOAD_TIME * 1000);
} catch (InterruptedException e) {
e.printStackTrace();
}
return null;
}
@Override
public Kam getKam(KamInfo info) throws KAMStoreException {
try {
sleep(KAM_LOAD_TIME * 1000);
} catch (InterruptedException e) {
e.printStackTrace();
}
return null;
}
}
}