org.openspaces.eviction.test.FIFOSingleOrderTest.java Source code

Introduction

Here is the source code for org.openspaces.eviction.test.FIFOSingleOrderTest.java

Source

/*******************************************************************************
 * Copyright (c) 2012 GigaSpaces Technologies Ltd. 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 org.openspaces.eviction.test;

import junit.framework.Assert;

import org.apache.log4j.Logger;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.openspaces.eviction.test.data.BronzeMedal;
import org.openspaces.eviction.test.data.GoldMedal;
import org.openspaces.eviction.test.data.SilverMedal;
import org.springframework.test.annotation.DirtiesContext;
import org.springframework.test.annotation.DirtiesContext.ClassMode;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;

@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(locations = { "classpath:META-INF/spring/pu-fifo.xml" })
@DirtiesContext(classMode = ClassMode.AFTER_CLASS)
public class FIFOSingleOrderTest extends AbstractClassBasedEvictionTest {

    //mean trick
    private static Logger logger = Logger.getLogger(new Object() {
    }.getClass().getEnclosingClass());

    @Before
    public void cleanSpace() {
        gigaSpace.clear(new Object());
    }

    @Test
    public void priorityEvictionByFIFOTest() throws Exception {
        logger.info("write low priority object");
        gigaSpace.write(new BronzeMedal(0));
        logger.info("fill cache exactly with hight priority object");
        for (int i = 1; i < cacheSize; i++) {
            gigaSpace.write(new GoldMedal(i));
        }
        logger.info("write another lower priority object");
        gigaSpace.write(new BronzeMedal(1));
        logger.info("assert the first object was removed");
        Assert.assertNull("BronzeMedal 0 was not evicted", gigaSpace.read(new BronzeMedal(0)));
        logger.info("Test Passed");
    }

    protected void assertMultiThreadedOperationsTest() {
        Assert.assertTrue("more silver than gold or more bronze than silver",
                gigaSpace.count(new GoldMedal()) >= gigaSpace.count(new SilverMedal())
                        && gigaSpace.count(new SilverMedal()) >= gigaSpace.count(new BronzeMedal()));
    }

    protected void assertMemoryShortageTest() {
        Assert.assertTrue("amount of objects in space is larger than cache size",
                gigaSpace.count(new Object()) <= cacheSize);
    }

    protected void assertCacheSizeEqualsCountInSpace() {
        Assert.assertEquals("amount of objects in space is larger than cache size", gigaSpace.count(new Object()),
                cacheSize);
    }

}