modules/core/src/test/java/org/apache/ignite/internal/processors/cache/distributed/near/GridCacheNearEvictionSelfTest.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.apache.ignite.internal.processors.cache.distributed.near;

import org.apache.ignite.Ignite;
import org.apache.ignite.IgniteCache;
import org.apache.ignite.cache.CacheAtomicityMode;
import org.apache.ignite.configuration.CacheConfiguration;
import org.apache.ignite.configuration.IgniteConfiguration;
import org.apache.ignite.configuration.NearCacheConfiguration;
import org.apache.ignite.internal.processors.cache.GridCacheAdapter;
import org.apache.ignite.internal.util.typedef.PA;
import org.apache.ignite.lang.IgniteCallable;
import org.apache.ignite.resources.IgniteInstanceResource;
import org.apache.ignite.testframework.GridTestUtils;
import org.apache.ignite.testframework.junits.common.GridCommonAbstractTest;
import org.junit.Test;

import static org.apache.ignite.cache.CacheAtomicityMode.TRANSACTIONAL;
import static org.apache.ignite.cache.CacheMode.PARTITIONED;
import static org.apache.ignite.cache.CacheRebalanceMode.SYNC;
import static org.apache.ignite.cache.CacheWriteSynchronizationMode.FULL_SYNC;

/**
 * Tests entries distribution between primary-backup-near caches according to nodes count in grid.
 */
public class GridCacheNearEvictionSelfTest extends GridCommonAbstractTest {
    /** Grid count. */
    private int gridCnt;

    /** {@inheritDoc} */
    @Override protected IgniteConfiguration getConfiguration(String igniteInstanceName) throws Exception {
        IgniteConfiguration c = super.getConfiguration(igniteInstanceName);

        CacheConfiguration cc = defaultCacheConfiguration();

        cc.setCacheMode(PARTITIONED);
        cc.setWriteSynchronizationMode(FULL_SYNC);
        cc.setBackups(1);
        cc.setRebalanceMode(SYNC);
        cc.setAtomicityMode(atomicityMode());

        NearCacheConfiguration nearCfg = new NearCacheConfiguration();

        cc.setNearConfiguration(nearCfg);

        c.setCacheConfiguration(cc);

        return c;
    }

    /**
     * @return Atomicity mode.
     */
    protected CacheAtomicityMode atomicityMode() {
        return TRANSACTIONAL;
    }

    /** @throws Exception If failed. */
    @Test
    public void testNearEnabledOneNode() throws Exception {
        gridCnt = 1;

        startGridsMultiThreaded(gridCnt);

        try {
            IgniteCache<Integer, String> c = grid(0).cache(DEFAULT_CACHE_NAME);

            int cnt = 100;

            for (int i = 0; i < cnt; i++)
                c.put(i, Integer.toString(i));

            assertEquals(cnt, c.size());
            assertEquals(cnt, c.size());
            assertEquals(0, near(0).nearSize());
        }
        finally {
            stopAllGrids();
        }
    }

    /** @throws Exception If failed. */
    @Test
    public void testNearEnabledTwoNodes() throws Exception {
        gridCnt = 2;

        startGridsMultiThreaded(gridCnt);

        try {
            final int cnt = 100;

            grid(0).compute().broadcast(new IgniteCallable<Object>() {
                @IgniteInstanceResource
                private Ignite ignite;

                @Override public Object call() throws Exception {
                    IgniteCache<Integer, String> c = ignite.cache(DEFAULT_CACHE_NAME);

                    for (int i = 0; i < cnt; i++)
                        c.put(i, Integer.toString(i));

                    return true;
                }
            });

            for (int i = 0; i < gridCnt; i++) {
                assertEquals(cnt, internalCache(i).size());
                assertEquals(0, near(i).nearSize());
            }
        }
        finally {
            stopAllGrids();
        }
    }

    /** @throws Exception If failed. */
    @Test
    public void testNearEnabledThreeNodes() throws Exception {
        gridCnt = 3;

        startGridsMultiThreaded(gridCnt);

        try {
            final int cnt = 100;

            grid(0).compute().broadcast(new IgniteCallable<Object>() {
                @IgniteInstanceResource
                private Ignite ignite;

                @Override public Object call() throws Exception {
                    IgniteCache<Integer, String> c = ignite.cache(DEFAULT_CACHE_NAME);

                    for (int i = 0; i < cnt; i++)
                        c.put(i, Integer.toString(i));

                    return true;
                }
            });

            for (int i = 0; i < gridCnt; i++) {
                final GridCacheAdapter cache = internalCache(i);
                final GridCacheAdapter near = near(i);

                // Repeatedly check cache sizes because of concurrent cache updates.
                assertTrue(GridTestUtils.waitForCondition(new PA() {
                    @Override public boolean apply() {
                        // Every node contains either near, backup, or primary.
                        return cnt == cache.size() + near.nearSize();
                    }
                }, getTestTimeout()));

                int keySize = near(i).nearSize();

                assert keySize < cnt : "Key size is not less than count [cnt=" + cnt + ", size=" + keySize + ']';
            }
        }
        finally {
            stopAllGrids();
        }
    }
}