/*
* Copyright (c) 2007, 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code 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 General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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*/
package com.sun.tools.visualvm.api.caching;
import org.junit.After;
import org.junit.AfterClass;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;
import static org.junit.Assert.*;
/**
*
* @author Jaroslav Bachorik
*/
public class CacheImplTest {
private Cache<String, String> nullCache;
private Cache<String, String> constantCache;
private boolean cacheMissed = false;
public CacheImplTest() {
}
@BeforeClass
public static void setUpClass() throws Exception {
}
@AfterClass
public static void tearDownClass() throws Exception {
}
@Before
public void setUp() {
nullCache = CacheFactory.getInstance().softMapCache(new EntryFactory<String, String>() {
@Override
public Entry<String> createEntry(String key) {
cacheMissed = true;
return null;
}
});
constantCache = CacheFactory.getInstance().softMapCache(new EntryFactory<String, String>() {
@Override
public Entry<String> createEntry(String key) {
cacheMissed = true;
return new Entry<String>("test");
}
});
}
@After
public void tearDown() {
nullCache = null;
constantCache = null;
}
/**
* Test of retrieveObject method, of class AbstractCache.
*/
@Test
public void testRetrieveObjectNoResolver() {
System.out.println("retrieveObject - no resolver");
String key = "key";
String result = nullCache.retrieveObject(key);
assertNull(result);
}
/**
* Test of retrieveObject method, of class AbstractCache.
*/
@Test
public void testRetrieveObjectConstantResolver() {
System.out.println("retrieveObject - constant resolver");
String key = "key";
String expected = "test";
String result = constantCache.retrieveObject(key);
assertTrue(cacheMissed);
assertEquals(expected, result);
}
/**
* Test of retrieveObject method, of class AbstractCache.
*/
@Test
public void testRetrieveObjectCached() {
System.out.println("retrieveObject - cached");
String key = "key";
String expected = "test";
constantCache.setTTL(500);
String result = constantCache.retrieveObject(key);
assertTrue(cacheMissed);
cacheMissed = false;
result = constantCache.retrieveObject(key);
assertFalse(cacheMissed);
assertEquals(expected, result);
}
/**
* Test of retrieveObject method, of class AbstractCache.
*/
@Test
public void testRetrieveObjectEvicted() throws Exception {
System.out.println("retrieveObject - evicted");
String key = "key";
String expected = "test";
constantCache.setTTL(500);
String result = constantCache.retrieveObject(key);
assertTrue(cacheMissed);
cacheMissed = false;
Thread.sleep(1000);
result = constantCache.retrieveObject(key);
assertTrue(cacheMissed);
assertEquals(expected, result);
}
/**
* Test of invalidateObject method, of class AbstractCache.
*/
@Test
public void testInvalidateObject() {
System.out.println("invalidateObject");
String key = "key";
String expResult = "test";
constantCache.retrieveObject(key);
cacheMissed = false;
constantCache.invalidateObject(key);
String result = constantCache.retrieveObject(key);
assertTrue(cacheMissed);
assertEquals(expResult, result);
}
}